Problem p02579 (C++) — buggy submission, verdict: Time Limit Exceeded

#include <algorithm>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>

typedef char SINT8;
typedef short SINT16;
typedef int SINT32;
typedef long long SINT64;
typedef double DOUBLE;

#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define ABS(a) ((a) > (0) ? (a) : -(a))
#define rep(i, a, b) for (SINT64(i) = SINT64(a); (i) < SINT64(b); (i)++)
#define rrep(i, a, b) for (SINT64(i) = SINT64(a); (i) >= SINT64(b); (i)--)

#define put(a) cout << (a) << endl
#define puts(a) cout << (a) << " "

#define putr(a)                                                                \\
  rep(testIncrement, 0, a.size()) { puts(a[testIncrement]); }                  \\
  cout << endl
#define putrr(a)                                                               \\
  rep(Incr1, 0, a.size()) {                                                    \\
    rep(Incr2, 0, a[Incr1].size()) { puts(a[Incr1][Incr2]); }                  \\
    cout << endl;                                                              \\
  }                                                                            \\
  cout << endl;

#define INF 1000000001
#define MOD 1000000007
#define INF64 1000000000000000001
#define PI (acos(-1))

#define F first
#define S second

#define Pii pair<SINT32, SINT32>
#define Pll pair<SINT64, SINT64>
#define Piii pair<SINT32, pair<SINT32, SINT32>>
#define Plll pair<SINT64, pair<SINT64, SINT64>>

#define Vll(a, b, c)    vector<vector<SINT64>> (a)((b),vector<SINT64>((c))
#define Vlll(a, b, c, d) vector<vector<vector<SINT64>>> (a)((b),vector<vector<SINT64>>((c),vector<SINT64>((d)))

using namespace std;

int main() {

  SINT64 H;
  cin >> H;
  SINT64 W;
  cin >> W;

  SINT64 sh, sw, gh, gw;
  cin >> sh >> sw >> gh >> gw;
  sh--;
  sw--;
  gh--;
  gw--;

  vector<vector<SINT64>> data(H, vector<SINT64>(W, -1));
  vector<vector<SINT64>> root(H, vector<SINT64>(W, INF));

  rep(i, 0, H) {
    string s;
    cin >> s;
    rep(j, 0, W) {
      if (s[j] == '.') {
        data[i][j] = 0;
      }
    }
  }
  queue<Plll> q;                 // 宣言
  queue<Plll> q2;                // 宣言
  q.push(Plll(0, Pll(sh, sw)));  // 挿入
  q2.push(Plll(0, Pll(sh, sw))); // 挿入
  root[sh][sw] = 0;

  while ((q.size() != 0)) {

    while (q.size() != 0) {
      Plll now = q.front();
      q.pop();
      SINT64 h, w;
      h = now.S.F;
      w = now.S.S;
      if (now.F != root[h][w]) {
        continue;
      }
      SINT64 ok = 0;

      //		puts(h);puts(w);put(now.F);
      SINT64 nexth, nextw;
      nexth = h + 1;
      nextw = w;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
            ok = 1;
            //				puts(nexth);put(nextw);
          }
        }
      }

      nexth = h - 1;
      nextw = w;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
            ok = 1;
          }
        }
      }

      nexth = h;
      nextw = w + 1;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
            ok = 1;
          }
        }
      }

      nexth = h;
      nextw = w - 1;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
            ok = 1;
          }
        }
      }
      if (ok == 0) {
        q2.push(Plll(now.F, Pll(h, w)));
      }
    }
    //		putrr(root);
    while (q2.size() != 0) {

      Plll now = q2.front();
      q2.pop();
      SINT64 h, w;
      h = now.S.F;
      w = now.S.S;
      if (now.F != root[h][w]) {
        continue;
      }
      SINT64 nexth, nextw;
      nexth = h + 1;
      nextw = w;
      rep(i, -2, 3) {
        rep(j, -2, 3) {
          nexth = h + i;
          nextw = w + j;
          if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
            if (data[nexth][nextw] == 0) {
              if (root[nexth][nextw] > now.F + 1) {
                root[nexth][nextw] = now.F + 1;
                q.push(Plll(now.F + 1, Pll(nexth, nextw)));
              }
            }
          }
        }
      }
      //		putrr(root);
    }
  }

  //	putrr(root);
  //	putrr(data);

  if (root[gh][gw] == INF) {
    put(-1);
  } else {
    put(root[gh][gw]);
  }

  return 0;
}

//	vector<vector<SINT64>> data(N,vector<SINT64>(N));
////2次元配列 	vector<vector<vector<SINT64>>>
//data(N,vector<vector<SINT64>>(N,vector<SINT64>(N)));		//3次元配列

//	Vll(data,N,N);		//2次元配列
//	Vlll(data,N,N,N);	//3次元配列

//	sort(data.begin(),data.end());
//	sort(data.begin(),data.end(),std::greater<SINT64>());
//	__gcd(A,B);

//  reverse(data.begin(),data.end());

// 関数へのvectorポインタ渡し
// void dfs(SINT64 poi, SINT64 d, vector<vector<Pll>>& data) {
// }

/* 複数条件ソート
bool sortcompare(Pll A, Pll B) {
    if(A.F == B.F){
        return A.S > B.S;
    } else {
        return A.F < B.F;
    }
}

sort(data.begin(),data.end(),sortcompare);
*/

// タプル
// vector<tuple<SINT64,SINT64,SINT64>> edges;
// edges.emplace_back(a,b,c);
// cout << get<0>(edges[i]);
// cout << get<1>(edges[i]);
// cout << get<2>(edges[i]);
// sort(begin(edges), end(edges)); //ソート

//	data.emplace_back(BUF);			//後ろに追加

//  data.erase(std::unique(data.begin(), data.end()), data.end());
//  //ソート後に使用 同じ値を消す

//	data.insert(data.begin() + X, 0);	//X番目の要素に0を挿入

//	隣接リスト
//	vector<vector<SINT64>> data(N);
//	data[ A ].emplace_back( B );

// 両端キュー
// deque<SINT64> data;
// data.emplace_front(buf);	//先頭挿入

// lower_boundは値がなければ最大値(.size())を返す
// posi = lower_bound(data.begin(),data.end(), X) - data.begin();
// // X以上を探す posi = lower_bound(data.begin(),data.end(),make_pair(X,0)) -
// data.begin();	//pair

/* 文字列回転
        string N;
        cin >> N;
        N = N[N.length()-1] + N.substr(0,N.length()-1);

        s = to_string(i);	//ストリング変換
*/
/* 文字列合成
        string N,M;
        cin >> N >> M;
        SINT64 ans = 0;
        ans = stoi(N+M);
*/

/*  文字列変更
        string s;	cin >> s;
        rep(i,0,s.length()) {
                s[i] = (((s[i]-'A' + N) % 26) + 'A');
        }
        put(s);
*/

/*
//ワーシャルフロイド
        vector<vector<SINT64>> dist(N,vector<SINT64>(N,INF64));
        rep(i,0,N) {
                dist[i][i] = 0;
        }
        rep(k,0,N) {
                rep(i,0,N) {
                        rep(j,0,N) {
                                dist[i][j] = MIN(dist[i][j],
dist[i][k]+dist[k][j]);
                        }
                }
        }
*/

/*  優先度付きキュー
        priority_queue<SINT64, vector<SINT64>, greater<SINT64>> q;
   //小さいほうから取り出せる priority_queue<SINT64, vector<SINT64>> q;
   //大きいほうから取り出せる

        q.push(X);	//X を挿入
        q.top();		//先頭データ読み
        q.pop();		//先頭データ削除
*/

/* キュー
        queue<SINT64> q;	//宣言
        q.push(0);	//挿入
        q.front();	//先頭データ読み
        q.pop();		//先頭データ削除
*/

/* マルチセット
        multiset<SINT64> mset;
        mset.insert(X);				//追加

        auto it = mset.begin();		//先頭取得
        auto it = mset.rbegin();	//最後尾取得
        mset.erase(X);				//削除(X全部)

        //削除 1個
        auto hit(mset.find(X));
        if (hit!= mset.end()) mset.erase(hit);
*/

/* SET コンテナ
        set<SINT64> data;
        data.insert(X);				//X を挿入
        data.erase(data.begin());	//先頭を削除
        data.erase(--data.end());	//末尾を削除
        *data.begin();				//先頭要素にアクセス
        *data.rbegin();				//末尾要素にアクセス

        //全表示
    set<SINT64>::iterator it; //イテレータを用意
    for(it = data.begin(); it != data.end(); it++) {
        cout << *it << " ";
    }
        cout << endl;

        //N番目を一部表示
        set<SINT64>::iterator it; //  イテレータを用意
        it = data.begin();
        rep (i,0,N) {
                it++;
        }
        cout << *it << endl;
*/

/* map
        map<string,SINT64> mp;

        for(auto it=mp.begin();it!=mp.end();it++) {
                mx=max(mx,it->second);
        }
*/

/*
        //順列全表示
        //sortしてからでないと全列挙にならない
        sort(data.begin(),data.end());
        do {
                cout << buf << endl;
                rep(i,0,R) {
                        cout << data[i] << " ";
                }
                cout << endl;

    } while (next_permutation(data.begin(),data.end()));
*/

/* bit数数え上げ
SINT64 bits64(SINT64 bits)
{
    bits = (bits & 0x55555555) + (bits >> 1 & 0x55555555);
    bits = (bits & 0x33333333) + (bits >> 2 & 0x33333333);
    bits = (bits & 0x0f0f0f0f) + (bits >> 4 & 0x0f0f0f0f);
    bits = (bits & 0x00ff00ff) + (bits >> 8 & 0x00ff00ff);
    return (bits & 0x0000ffff) + (bits >>16 & 0x0000ffff);
}
*/

// bitシフトのLONG対応
//  ans += (1L<<50);

/* 余弦定理 2辺 A,B その間の角度からもう1辺を求める
long double yogen(long double A, long double B, long double angle) {
        long double ans = A*A+B*B-A*B*2*cosl((PI/180.0)*angle);
        ans = sqrt(ans);
        return ans;
}
*/

//  桁指定表示
//  ans = ans * M_PI;
//	cout << setprecision(15) << ans << endl;

// 桁数0埋め
// cout << std::setfill('0') << std::right << std::setw(2) << 5; //05

// 2次元累積和
/*
        vector<vector<SINT64>> data(H,vector<SINT64>(W));
        vector<vector<SINT64>> rui(H+1,vector<SINT64>(W+1));

        rep(i,0,H) {
                rep(j,0,W) {
                        cin >> data[i][j];
                }
        }
        rep(i,1,H+1) {
                rep(j,1,W+1) {
                        rui[i][j] = data[i-1][j-1] + rui[i][j-1];
                }
        }
        rep(i,1,H+1) {
                rep(j,1,W+1) {
                        rui[i][j] += rui[i-1][j];
                }
        }
*/

// 逆元　コンビネーション
/*
SINT64 modpow(SINT64 a, SINT64 p) {
        if (p == 0) return 1;
        if (p % 2 == 0) {
                //pが偶数の時
                SINT64 halfP = p / 2;
                SINT64 half = modpow(a, halfP);
                //a^(p/2) をhalfとして、half*halfを計算
                return half * half % MOD;
        } else {
                //pが奇数の時は、偶数にするために1減らす
                return a * modpow(a, p - 1) % MOD;
        }
}

SINT64 calcComb(SINT64 a, SINT64 b) {
        SINT64 Mul = 1;
        SINT64 Div = 1;
        SINT64 ans = 0;

        if (b > a - b) {
                return calcComb(a, a - b);
        }

        rep(i,0,b) {
                Mul *= (a - i);
                Div *= (i + 1);
                Mul %= MOD;
                Div %= MOD;
        }
        ans = Mul * modpow(Div, MOD - 2) % MOD;
        return ans;
}
*/

/* UNION FIND
class UnionFind {
public:
        vector<SINT64> parent;

        UnionFind(SINT64 N) {
                parent = vector<SINT64>(N+10, -1);	//少し多めに
        }

        SINT64 root(SINT64 A) {
                if (parent[A] < 0) {
                        return A;
                } else {
                        parent[A] = root(parent[A]);
                        return parent[A];
                }
        }

        SINT64 size(SINT64 A) {
                return parent[root(A)] * (-1);
        }

        bool judge(SINT64 A, SINT64 B) {
                A = root(A);
                B = root(B);
                if (A == B) {
                        return true;	//同じグループ
                } else {
                        return false;	//違うグループ
                }
        }

        void connect(SINT64 A, SINT64 B) {
                A = root(A);
                B = root(B);
                if (A != B) {
                        if (size(A) < size(B)) {
                                swap(A, B);
                        }
                        parent[A] += parent[B];
                        parent[B] = A;
                }
        }
};
UnionFind uni(N);
 */

/*　セグ木
class SegTree {
private:
        SINT64 size;
        vector<SINT64> node;

        SINT64 jugdement(SINT64 a, SINT64 b) {
                SINT64 ans = 0;
                ans = a+b;
                return ans;
        }

public:

        //コンストラクタ
        SegTree(vector<SINT64> data) {
                SINT64 ori_size;
                ori_size = data.size();
                size = 1;
                while (size < ori_size) {
                        size *= 2;
                }
                node.resize(2*size-1, 0);

                rep(i,0,ori_size) {
                        node[size-1+i] = data[i];
                }
                rrep(i,size-2,0) {
                        node[i] = jugdement(node[2*i+1], node[2*i+2]);
                }
        }

        //データ更新
        void update(SINT64 x, SINT64 val) {
                x += (size - 1);
        node[x] = val+node[x];
        while(x > 0) {
                x = (x - 1) / 2;
                node[x] = jugdement(node[2*x+1], node[2*x+2]);
                }
        }

        //データ取得 [a,b)
        SINT64 getdata(SINT64 a, SINT64 b, SINT64 k = 0, SINT64 l = 0, SINT64 r
= -1) { if (r < 0) { r = size;
                }

                //要求範囲外
                if ((r <= a) || (b <= l)) {
                        return 0;
                }
                //完全要求区間内
                if ((a <= l) && (r <= b)) {
                        return node[k];
                }

        SINT64 vl = getdata(a, b, 2*k+1, l, (l+r)/2);
        SINT64 vr = getdata(a, b, 2*k+2, (l+r)/2, r);
        return jugdement(vl, vr);
        }

        //表示
        void disp() {
                rep(i,0,size) {
                        puts(node[size-1+i]);
                } cout << endl;
        }

        void alldisp() {
                SINT64 cnt = 0;
                SINT64 end = 2;

                while (1) {
                        puts(node[cnt]);
                        if (cnt == end-2) {
                                end *= 2;
                                cout << endl;
                        }
                        cnt++;
                        if (cnt == size*2-1) {
                                break;
                        }
                }
        }
};

SegTree seg(N);
 */

/* 最大フロー最小カット
class Dinic {
        struct EDGE {
                SINT64 to;
                SINT64 cap;
                SINT64 rev;
        };
        vector<vector<EDGE>> G;
        vector<SINT64> level;
        vector<SINT64> root;
        SINT64 N;

public:
        Dinic(SINT64 n) {
                N = n;
                G.resize(N);
                level.resize(N);
        }

        void add(SINT64 a, SINT64 b, SINT64 cap) {
                G[a].emplace_back((EDGE){b,cap,(SINT64)G[b].size()});
                G[b].emplace_back((EDGE){a,0,(SINT64)G[a].size()-1});
        }

        void bfs(SINT64 s) {
                level[s] = 0;
                queue<SINT64> q;
                q.push(s);
                while(q.size() != 0) {
                        SINT64 buf = q.front();
                        q.pop();
                        rep(i,0,G[buf].size()) {
                                EDGE now = G[buf][i];
                                if ((now.cap > 0) && (level[now.to] == -1)) {
                                        level[now.to] = level[buf]+1;
                                        q.push(now.to);
                                }
                        }
                }
        }

        SINT64 dfs(SINT64 now, SINT64 g, SINT64 flow) {
                if (now == g) return flow;
                rep(i,root[now],G[now].size()) {
                        EDGE buf = G[now][i];
                        root[now] = i;
//dsf進捗更新 if ((buf.cap > 0) && (level[buf.to] > level[now])) { SINT64 mi =
MIN(buf.cap,flow); SINT64 nowf = dfs(buf.to,g,mi); if (nowf > 0) { G[now][i].cap
-= nowf;			//順経路に容量削減 G[buf.to][buf.rev].cap +=
nowf;	//逆経路に容量追加 return nowf;
//今回探索のFLOW追加数
                                }
                        }
                }
                return 0;
        }

        SINT64 act(SINT64 s, SINT64 g) {
                SINT64 cnt = 0;
//最大FLOWカウント if (s == g) return cnt;
//スタート＝ゴールは例外 while(1) { level.assign(N,-1);
//sからの最短距離初期化 root.assign(N,0);
//dsf進捗初期化 bfs(s); if (level[g] == -1) break;
//gへ到達不可 while(1) { SINT64 flow; flow = dfs(s,g,INF64); if (flow == 0)
break; cnt += flow;
                        }
                }
                return cnt;
        }
};
*/

/* ダイクストラ
class Dijkstra {
        vector<vector<Pll>> G;
        vector<SINT64> dist;

public:
        Dijkstra(SINT64 n) {
                G.resize(n);
                dist.resize(n, INF64);
        }

        void add(SINT64 a, SINT64 b, SINT64 cost) {
                G[a].emplace_back(Pll(b,cost));
        }

        void clear(SINT64 n) {
                dist.resize(0);
                dist.resize(n,INF64);
        }

        void form(SINT64 s) {
                priority_queue<Pll, vector<Pll>, greater<Pll>> q;
                q.push(Pll(0,s));
//cost,位置 while(q.size() != 0) { Pll now = q.top(); q.pop(); if (dist[now.S]
== INF64) { dist[now.S] = now.F; rep(i,0,G[now.S].size()) { Pll buf =
G[now.S][i]; if (dist[buf.F] == INF64) { q.push(Pll(buf.S+now.F,buf.F));
                                        }
                                }
                        }
                }
        }

        //form()で構築したsからの距離を返す
        SINT64 get_dist(SINT64 a) {
                if (dist[a] == INF64) {
                        return -1;			//到達不可
                } else {
                        return dist[a];
                }
        }
};
*/

/* LCA
class Lca {
        vector<vector<SINT64>> G;
        vector<vector<SINT64>> D;	//ダブリング
        vector<SINT64> depth;
        SINT64 N;
        SINT64 LOG_N;

public:
        Lca(SINT64 n) {
                N = n;
                LOG_N = floor(log2(N));
                G.resize(N);
                D.resize(N);
                depth.resize(N,-1);
        }

        void add(SINT64 a, SINT64 b) {
                G[a].emplace_back(b);
                G[b].emplace_back(a);
        }

        void bfs(SINT64 s) {
                depth[s] = 0;
                D[s].emplace_back(-1);
                queue<SINT64> q;
                q.push(s);
                while(q.size() != 0) {
                        SINT64 now = q.front();
                        q.pop();
                        rep(i,0,G[now].size()) {
                                SINT64 next = G[now][i];
                                if (depth[next] == -1) {
                                        depth[next] = depth[now]+1;
                                        D[next].emplace_back(now);
                                        q.push(next);
                                }
                        }
                }
        }

        //頂点のsからのダブリング構築
        void form(SINT64 s) {
                bfs(s);
                rep(i,1,LOG_N+1) {
                        rep(j,0,N) {
                                SINT64 buf = D[j][i-1];
                                if (buf == -1) {
                                        D[j].emplace_back(-1);
                                } else {
                                        D[j].emplace_back(D[buf][i-1]);
                                }
                        }
                }
        }

        //aのx上の頂点を求める
        SINT64 get(SINT64 a, SINT64 x) {
                rrep(i,LOG_N,0) {
                        if (((x >> i) & 1) == 1) {
                                a = D[a][i];
                                if (a == -1) return -1;
                        }
                }
                return a;
        }

        //aとbの共通祖先を求める
        SINT64 get_lca(SINT64 a, SINT64 b) {
                if (depth[a] < depth[b]) swap(a,b);
                SINT64 diff = depth[a] - depth[b];
                a = get(a,diff);
//aのx上の頂点を求める if (a == b) return a; rrep(i,LOG_N,0) { if (D[a][i] !=
D[b][i]) { a = D[a][i]; b = D[b][i];
                        }
                }
                return D[a][0];
        }

        //aとbの共通祖先までの距離の合計を求める
        SINT64 get_dist(SINT64 a, SINT64 b) {
                SINT64 buf = get_lca(a,b);
                return depth[a] + depth[b] - depth[buf]*2;
        }
};
*/

/* ベルマンフォード
class Bellman {
        struct EDGE {
                SINT64 from;
                SINT64 to;
                SINT64 cost;
        };
        vector<EDGE> edges;
        vector<SINT64> dist;
        SINT64 N;

public:
        Bellman(SINT64 n) {
                N = n;
                dist.resize(n, INF64);
        }

        void add(SINT64 from, SINT64 to, SINT64 cost) {
                edges.emplace_back((EDGE){from,to,cost});
        }

        //sで構築したt迄の距離取得
        SINT64 get_dist(SINT64 t) {
                //到達不可はINF64
                return dist[t];
        }

        //構築
        //負の閉路無し : 0
        //負の閉路有り : 1
        //負の閉路有るが目的地gの更新は停止 : 2
        SINT64 form(SINT64 s, SINT64 g) {
                dist[s] = 0;
                SINT64 cnt = 0;
                SINT64 check = 0;
                while(1) {
                        SINT64 renew = 0;
                        rep(i,0,edges.size()) {
                                EDGE e = edges[i];
                                if (dist[e.from] != INF64) {
                                        if (dist[e.to] > dist[e.from] + e.cost)
{ renew = 1; dist[e.to] = dist[e.from] + e.cost;
                                        }
                                }
                        }
                        if (renew == 0) return 0;

                        //N回更新後のgの距離と 2N回更新後のgの距離を比較
                        if (cnt == N) check = dist[g];
                        if (cnt > 2*N) {
                                if (check == dist[g]) return 2;
                                return 1;
                        }
                        cnt++;
                }
        }
};
*/

/*コンビネーション
class Comb {
        vector<SINT64> base;
        SINT64 N;

public:
        Comb (SINT64 n) {
                N = n+5;
                base.resize(N);
                base[0] = 1;
                rep(i,1,N) {
                        base[i] = base[i-1]*i;
                        base[i] %= MOD;
                }
        }

        SINT64 get_comb(SINT64 a, SINT64 b) {
                SINT64 ans = 0;
                SINT64 aa = base[a] * modpow(base[a-b], MOD - 2) % MOD;
                ans = aa * modpow(base[b], MOD - 2) % MOD;
                return ans;
        }

        SINT64 modpow(SINT64 a, SINT64 p) {
                if (p == 0) return 1;
                if (p % 2 == 0) {
                        SINT64 halfP = p / 2;
                        SINT64 half = modpow(a, halfP);
                        return half * half % MOD;
                } else {
                        return a * modpow(a, p - 1) % MOD;
                }
        }
};
*/

/* SUFFIX ARRAY
class SuffixArray {
private:
        vector<string> array;			// サフィックスアレイ
        vector<SINT64> lcp;				// LCP
        vector<SINT64> sais;			// SA IS
        string str;

public:
        // コンストラクタ
        SuffixArray (string s) {
                str = s;
        vector<SINT64> Vstr;
        rep(i,0,str.length()) {
            Vstr.emplace_back(str[i]);
        }
                sais_act(Vstr, sais, 255);		// SAIS実行
//		lcp_act();						//
隣り合うSUFFIXの先頭から同じ長さを算出

                // suffix array 文字列作成
//		array.resize(str.length());
//		rep(i,0,array.size()) {
//			array[i] = str.substr(sais[i]);
//		}
//		rep(i,0,array.size()) {put(array[i]);}               // 表示用
        }

        // LCP作成
        void lcp_act(void) {
                lcp.resize(str.length());
                vector<SINT64> buffer(str.length());
                rep(i,0,str.length()) {
                        buffer[sais[i]] = i;
                }

                SINT64 cnt = 0;
                rep(i,0,str.length()) {
                        if (buffer[i] >= str.length()-1) {
                                cnt = 0;

                        } else {
                                SINT64 a = buffer[i];
                                SINT64 b = buffer[i]+1;

                                while(1) {
                                        if (cnt >= str.length() - sais[a])
break; if (cnt >= str.length() - sais[a]) break;

                                        if (str[sais[a]+cnt] ==
str[sais[b]+cnt]) { cnt++; } else { break;
                                        }
                                }
                        }
                        lcp[buffer[i]] = cnt;
                        if (cnt != 0) cnt--;
                }
        }

        // 引数の文字列が何個含まれるか算出
        SINT64 get_cnt(string t) {
                SINT64 low,high;
                SINT64 L,R;
                L = -1;
                R = str.length();
                while(R-L > 1) {
                        SINT64 M = (R+L)/2;
                        string buf = str.substr(sais[M]);
                        if (buf.length() > t.length()) {
                                buf = buf.substr(0,t.length());
                        }
                        if (buf > t) {R = M;} else {L = M;}
                }
                high = R;

                L = -1;
                R = str.length();
                while(R-L > 1) {
                        SINT64 M = (R+L)/2;
                        string buf = str.substr(sais[M]);
                        if (buf >= t) {R = M;} else {L = M;}
                }
                low = R;
                return high - low;
        }

        // SAIS実行
        void sais_act(vector<SINT64>& Vstr, vector<SINT64>& r_sais, SINT64 type)
{ Vstr.push_back(0);							//
番兵追加 vector<SINT64> lms_seed;					// LMS
ソート前 vector<SINT64> lms_sort;					// LMS
ソート後 vector<SINT64> lms_long(Vstr.size(),0);		// LMS 長さ
                vector<SINT64> lms_type(Vstr.size(),1);		// 0:L 1:S 2:LMS
                vector<SINT64> lms_posi(Vstr.size(),-1);		//
LMS内での位置

                SINT64 len = 0;
                // L S LMS判定 初期値は全てS
                rrep(i,Vstr.size()-2,0) {
                        len++;
                        if (Vstr[i] > Vstr[i+1]) {
                                lms_type[i] = 0;
// L if (lms_type[i+1] == 1) {
                                        lms_type[i+1] = 2;
// LMS lms_long[i+1] = len;			// LMSの長さ格納 len = 1;
                                }
                        }
                        if (Vstr[i] == Vstr[i+1]) lms_type[i] = lms_type[i+1];
// 右と同じ
                }

                SINT64 cnt = 0;
                rep(i,0,Vstr.size()) {
                        if (lms_type[i] == 2) lms_seed.emplace_back(i);
                        if (lms_type[i] == 2) lms_posi[i] = cnt++;
                }

                // Induced Sort初回
                vector<SINT64> bucket;
// Induced Sort初回結果格納用 induced_sort(Vstr, lms_seed, bucket, lms_type,
type);

                // lms_sortにLMSのソートを格納
                rrep(i,Vstr.size()-1,0) {
                        if ((bucket[i] != -1) && (lms_type[bucket[i]] == 2)) {
                                lms_sort.emplace_back(bucket[i]);
                        }
                }

                SINT64 ok = 0; // 再帰必要性判定 SINT64 rank = 1;
// 再帰用文字 vector<SINT64> next(lms_sort.size(), 1);	// 再帰用文字列

                rrep(i,lms_sort.size()-2,0) {
            SINT64 A = lms_long[lms_sort[i]];
            SINT64 B = lms_long[lms_sort[i+1]];
                        if (A == B) {
                SINT64 ck = 0;
                rep(j,0,A) {
                    if (Vstr[lms_sort[i]+j] != Vstr[lms_sort[i+1]+j]) {
                        ck = 1;
                        break;
                    }
                }
                if (ck == 0) {
                    ok = 1;		// 再帰必要
                } else {
                    rank++;
                }
                        } else {
                                rank++;
                        }
                        next[lms_posi[lms_sort[i]]] = rank;
                }

                if (ok == 1) {
                        vector<SINT64> recursive;
                        sais_act(next, recursive, rank+1);
                        rep(i,0,recursive.size()) {
                                lms_sort[recursive.size()-i-1] =
lms_seed[recursive[i]];
                        }
                }

                // SORT済みLMSでInduced Sorting
                r_sais.resize(Vstr.size(),-1);
                induced_sort(Vstr, lms_sort, r_sais, lms_type, type);
                r_sais.erase(r_sais.begin());	// 番兵削除
        }

        // induced_sort
        void induced_sort(vector<SINT64>& Vstr, vector<SINT64>& seed,
vector<SINT64>& bucket_sort, vector<SINT64>& lms_type, SINT64 type) {
                vector<SINT64> bucket_cnt(type,0);			//
バケット 文字種ごとの数 vector<SINT64> bucket_st(type,0);
// バケット 文字種の開始位置
                vector<SINT64> bucket_end(type,0);			//
バケット 文字種の終了位置 vector<SINT64> bucket_pre(Vstr.size(),-1);	//
バケット 初回格納用 vector<SINT64> cnt1(type,0); vector<SINT64> cnt2(type,0);
                vector<SINT64> cnt3(type,0);
                bucket_sort.resize(Vstr.size(),-1);

                // バケットソート位置作成
                rep(i,0,Vstr.size()) bucket_cnt[Vstr[i]]++;
// 個数作成
                rep(i,1,type) bucket_st[i] = bucket_st[i-1] + bucket_cnt[i-1];
// 開始位置
                rep(i,0,type) bucket_end[i] = bucket_st[i] + bucket_cnt[i]-1;
// 終了位置

                // LMSをbucket_preに格納
                rep(i,0,seed.size()) {
                        SINT64 no = seed[i];
                        bucket_pre[bucket_end[Vstr[no]] - cnt1[Vstr[no]]] = no;
                        cnt1[Vstr[no]]++;
                }

                // Lをbucket_sortに格納
                rep(i,0,Vstr.size()) {
                        if ((bucket_pre[i] != -1) && (bucket_pre[i] != 0)) {
                                if (lms_type[bucket_pre[i]-1] == 0) {
// -1がLの場合 SINT64 buf = Vstr[bucket_pre[i]-1]; bucket_pre [bucket_st[buf] +
cnt2[buf]] = bucket_pre[i]-1; bucket_sort[bucket_st[buf] + cnt2[buf]] =
bucket_pre[i]-1; cnt2[buf]++;
                                }
                        }
                }

                // Sをbucket_sortに格納
                bucket_sort[0] = Vstr.size()-1;
// 番兵追加 rrep(i,Vstr.size()-1,0) { if ((bucket_sort[i] != -1) &&
(bucket_sort[i] != 0)) { if (lms_type[bucket_sort[i]-1] != 0) {		//
-1がS(LMS)の場合 SINT64 buf = Vstr[bucket_sort[i]-1];
                                        bucket_sort[bucket_end[buf] - cnt3[buf]]
= bucket_sort[i]-1; cnt3[buf]++;
                                }
                        }
                }
        }
};
*/

/* 転倒数の数え上げ
SINT64 merge_cnt(vector<SINT64> &a) {
    SINT64 n = a.size();
    if (n <= 1) { return 0; }

    SINT64 cnt = 0;
    vector<SINT64> b(a.begin(), a.begin()+n/2);
    vector<SINT64> c(a.begin()+n/2, a.end());

    cnt += merge_cnt(b);
    cnt += merge_cnt(c);

    SINT64 ai = 0, bi = 0, ci = 0;
    // merge の処理
    while (ai < n) {
        if ( bi < b.size() && (ci == c.size() || b[bi] <= c[ci]) ) {
            a[ai++] = b[bi++];
        } else {
            cnt += n / 2 - bi;
            a[ai++] = c[ci++];
        }
    }
    return cnt;
}
*/

/* 最長部分文字列
SINT64 LCS(string s, string t) {
        SINT64 n = s.size();
        SINT64 m = t.size();
        vector<vector<SINT64>> DP(n+1,vector<SINT64>(m+1,0));

        rep(i,0,n) {
                rep(j,0,m) {
                        if (s[i] == t[j]) {
                                DP[i+1][j+1] = DP[i][j]+1;
                        } else {
                                DP[i+1][j+1] = MAX(DP[i+1][j],DP[i][j+1]);
                        }
                }
        }
        return DP[n][m];
}
*/


Error: TLE

Fixed submission:

#include <algorithm>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>

typedef char SINT8;
typedef short SINT16;
typedef int SINT32;
typedef long long SINT64;
typedef double DOUBLE;

#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define ABS(a) ((a) > (0) ? (a) : -(a))
#define rep(i, a, b) for (SINT64(i) = SINT64(a); (i) < SINT64(b); (i)++)
#define rrep(i, a, b) for (SINT64(i) = SINT64(a); (i) >= SINT64(b); (i)--)

#define put(a) cout << (a) << endl
#define puts(a) cout << (a) << " "

#define putr(a)                                                                \\
  rep(testIncrement, 0, a.size()) { puts(a[testIncrement]); }                  \\
  cout << endl
#define putrr(a)                                                               \\
  rep(Incr1, 0, a.size()) {                                                    \\
    rep(Incr2, 0, a[Incr1].size()) { puts(a[Incr1][Incr2]); }                  \\
    cout << endl;                                                              \\
  }                                                                            \\
  cout << endl;

#define INF 1000000001
#define MOD 1000000007
#define INF64 1000000000000000001
#define PI (acos(-1))

#define F first
#define S second

#define Pii pair<SINT32, SINT32>
#define Pll pair<SINT64, SINT64>
#define Piii pair<SINT32, pair<SINT32, SINT32>>
#define Plll pair<SINT64, pair<SINT64, SINT64>>

#define Vll(a, b, c)    vector<vector<SINT64>> (a)((b),vector<SINT64>((c))
#define Vlll(a, b, c, d) vector<vector<vector<SINT64>>> (a)((b),vector<vector<SINT64>>((c),vector<SINT64>((d)))

using namespace std;

int main() {

  SINT64 H;
  cin >> H;
  SINT64 W;
  cin >> W;

  SINT64 sh, sw, gh, gw;
  cin >> sh >> sw >> gh >> gw;
  sh--;
  sw--;
  gh--;
  gw--;

  vector<vector<SINT64>> data(H, vector<SINT64>(W, -1));
  vector<vector<SINT64>> root(H, vector<SINT64>(W, INF));

  rep(i, 0, H) {
    string s;
    cin >> s;
    rep(j, 0, W) {
      if (s[j] == '.') {
        data[i][j] = 0;
      }
    }
  }
  queue<Plll> q;                 // 宣言
  queue<Plll> q2;                // 宣言
  q.push(Plll(0, Pll(sh, sw)));  // 挿入
  q2.push(Plll(0, Pll(sh, sw))); // 挿入
  root[sh][sw] = 0;

  while ((q.size() != 0)) {

    while (q.size() != 0) {
      Plll now = q.front();
      q.pop();
      SINT64 h, w;
      h = now.S.F;
      w = now.S.S;
      if (now.F != root[h][w]) {
        continue;
      }
      //		puts(h);puts(w);put(now.F);
      SINT64 nexth, nextw;
      nexth = h + 1;
      nextw = w;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
            //				puts(nexth);put(nextw);
          }
        }
      }

      nexth = h - 1;
      nextw = w;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
          }
        }
      }

      nexth = h;
      nextw = w + 1;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
          }
        }
      }

      nexth = h;
      nextw = w - 1;
      if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
        if (data[nexth][nextw] == 0) {
          if (root[nexth][nextw] > now.F) {
            root[nexth][nextw] = now.F;
            q.push(Plll(now.F, Pll(nexth, nextw)));
            q2.push(Plll(now.F, Pll(nexth, nextw)));
          }
        }
      }
    }
    //		putrr(root);
    while (q2.size() != 0) {

      Plll now = q2.front();
      q2.pop();
      SINT64 h, w;
      h = now.S.F;
      w = now.S.S;
      if (now.F != root[h][w]) {
        continue;
      }
      SINT64 nexth, nextw;
      nexth = h + 1;
      nextw = w;
      rep(i, -2, 3) {
        rep(j, -2, 3) {
          nexth = h + i;
          nextw = w + j;
          if ((nexth >= 0) && (nexth < H) && (nextw >= 0) && (nextw < W)) {
            if (data[nexth][nextw] == 0) {
              if (root[nexth][nextw] > now.F + 1) {
                root[nexth][nextw] = now.F + 1;
                q.push(Plll(now.F + 1, Pll(nexth, nextw)));
                q2.push(Plll(now.F + 1, Pll(nexth, nextw)));
              }
            }
          }
        }
      }
      //		putrr(root);
    }
  }

  //	putrr(root);
  //	putrr(data);

  if (root[gh][gw] == INF) {
    put(-1);
  } else {
    put(root[gh][gw]);
  }

  return 0;
}

//	vector<vector<SINT64>> data(N,vector<SINT64>(N));
////2次元配列 	vector<vector<vector<SINT64>>>
//data(N,vector<vector<SINT64>>(N,vector<SINT64>(N)));		//3次元配列

//	Vll(data,N,N);		//2次元配列
//	Vlll(data,N,N,N);	//3次元配列

//	sort(data.begin(),data.end());
//	sort(data.begin(),data.end(),std::greater<SINT64>());
//	__gcd(A,B);

//  reverse(data.begin(),data.end());

// 関数へのvectorポインタ渡し
// void dfs(SINT64 poi, SINT64 d, vector<vector<Pll>>& data) {
// }

/* 複数条件ソート
bool sortcompare(Pll A, Pll B) {
    if(A.F == B.F){
        return A.S > B.S;
    } else {
        return A.F < B.F;
    }
}

sort(data.begin(),data.end(),sortcompare);
*/

// タプル
// vector<tuple<SINT64,SINT64,SINT64>> edges;
// edges.emplace_back(a,b,c);
// cout << get<0>(edges[i]);
// cout << get<1>(edges[i]);
// cout << get<2>(edges[i]);
// sort(begin(edges), end(edges)); //ソート

//	data.emplace_back(BUF);			//後ろに追加

//  data.erase(std::unique(data.begin(), data.end()), data.end());
//  //ソート後に使用 同じ値を消す

//	data.insert(data.begin() + X, 0);	//X番目の要素に0を挿入

//	隣接リスト
//	vector<vector<SINT64>> data(N);
//	data[ A ].emplace_back( B );

// 両端キュー
// deque<SINT64> data;
// data.emplace_front(buf);	//先頭挿入

// lower_boundは値がなければ最大値(.size())を返す
// posi = lower_bound(data.begin(),data.end(), X) - data.begin();
// // X以上を探す posi = lower_bound(data.begin(),data.end(),make_pair(X,0)) -
// data.begin();	//pair

/* 文字列回転
        string N;
        cin >> N;
        N = N[N.length()-1] + N.substr(0,N.length()-1);

        s = to_string(i);	//ストリング変換
*/
/* 文字列合成
        string N,M;
        cin >> N >> M;
        SINT64 ans = 0;
        ans = stoi(N+M);
*/

/*  文字列変更
        string s;	cin >> s;
        rep(i,0,s.length()) {
                s[i] = (((s[i]-'A' + N) % 26) + 'A');
        }
        put(s);
*/

/*
//ワーシャルフロイド
        vector<vector<SINT64>> dist(N,vector<SINT64>(N,INF64));
        rep(i,0,N) {
                dist[i][i] = 0;
        }
        rep(k,0,N) {
                rep(i,0,N) {
                        rep(j,0,N) {
                                dist[i][j] = MIN(dist[i][j],
dist[i][k]+dist[k][j]);
                        }
                }
        }
*/

/*  優先度付きキュー
        priority_queue<SINT64, vector<SINT64>, greater<SINT64>> q;
   //小さいほうから取り出せる priority_queue<SINT64, vector<SINT64>> q;
   //大きいほうから取り出せる

        q.push(X);	//X を挿入
        q.top();		//先頭データ読み
        q.pop();		//先頭データ削除
*/

/* キュー
        queue<SINT64> q;	//宣言
        q.push(0);	//挿入
        q.front();	//先頭データ読み
        q.pop();		//先頭データ削除
*/

/* マルチセット
        multiset<SINT64> mset;
        mset.insert(X);				//追加

        auto it = mset.begin();		//先頭取得
        auto it = mset.rbegin();	//最後尾取得
        mset.erase(X);				//削除(X全部)

        //削除 1個
        auto hit(mset.find(X));
        if (hit!= mset.end()) mset.erase(hit);
*/

/* SET コンテナ
        set<SINT64> data;
        data.insert(X);				//X を挿入
        data.erase(data.begin());	//先頭を削除
        data.erase(--data.end());	//末尾を削除
        *data.begin();				//先頭要素にアクセス
        *data.rbegin();				//末尾要素にアクセス

        //全表示
    set<SINT64>::iterator it; //イテレータを用意
    for(it = data.begin(); it != data.end(); it++) {
        cout << *it << " ";
    }
        cout << endl;

        //N番目を一部表示
        set<SINT64>::iterator it; //  イテレータを用意
        it = data.begin();
        rep (i,0,N) {
                it++;
        }
        cout << *it << endl;
*/

/* map
        map<string,SINT64> mp;

        for(auto it=mp.begin();it!=mp.end();it++) {
                mx=max(mx,it->second);
        }
*/

/*
        //順列全表示
        //sortしてからでないと全列挙にならない
        sort(data.begin(),data.end());
        do {
                cout << buf << endl;
                rep(i,0,R) {
                        cout << data[i] << " ";
                }
                cout << endl;

    } while (next_permutation(data.begin(),data.end()));
*/

/* bit数数え上げ
SINT64 bits64(SINT64 bits)
{
    bits = (bits & 0x55555555) + (bits >> 1 & 0x55555555);
    bits = (bits & 0x33333333) + (bits >> 2 & 0x33333333);
    bits = (bits & 0x0f0f0f0f) + (bits >> 4 & 0x0f0f0f0f);
    bits = (bits & 0x00ff00ff) + (bits >> 8 & 0x00ff00ff);
    return (bits & 0x0000ffff) + (bits >>16 & 0x0000ffff);
}
*/

// bitシフトのLONG対応
//  ans += (1L<<50);

/* 余弦定理 2辺 A,B その間の角度からもう1辺を求める
long double yogen(long double A, long double B, long double angle) {
        long double ans = A*A+B*B-A*B*2*cosl((PI/180.0)*angle);
        ans = sqrt(ans);
        return ans;
}
*/

//  桁指定表示
//  ans = ans * M_PI;
//	cout << setprecision(15) << ans << endl;

// 桁数0埋め
// cout << std::setfill('0') << std::right << std::setw(2) << 5; //05

// 2次元累積和
/*
        vector<vector<SINT64>> data(H,vector<SINT64>(W));
        vector<vector<SINT64>> rui(H+1,vector<SINT64>(W+1));

        rep(i,0,H) {
                rep(j,0,W) {
                        cin >> data[i][j];
                }
        }
        rep(i,1,H+1) {
                rep(j,1,W+1) {
                        rui[i][j] = data[i-1][j-1] + rui[i][j-1];
                }
        }
        rep(i,1,H+1) {
                rep(j,1,W+1) {
                        rui[i][j] += rui[i-1][j];
                }
        }
*/

// 逆元　コンビネーション
/*
SINT64 modpow(SINT64 a, SINT64 p) {
        if (p == 0) return 1;
        if (p % 2 == 0) {
                //pが偶数の時
                SINT64 halfP = p / 2;
                SINT64 half = modpow(a, halfP);
                //a^(p/2) をhalfとして、half*halfを計算
                return half * half % MOD;
        } else {
                //pが奇数の時は、偶数にするために1減らす
                return a * modpow(a, p - 1) % MOD;
        }
}

SINT64 calcComb(SINT64 a, SINT64 b) {
        SINT64 Mul = 1;
        SINT64 Div = 1;
        SINT64 ans = 0;

        if (b > a - b) {
                return calcComb(a, a - b);
        }

        rep(i,0,b) {
                Mul *= (a - i);
                Div *= (i + 1);
                Mul %= MOD;
                Div %= MOD;
        }
        ans = Mul * modpow(Div, MOD - 2) % MOD;
        return ans;
}
*/

/* UNION FIND
class UnionFind {
public:
        vector<SINT64> parent;

        UnionFind(SINT64 N) {
                parent = vector<SINT64>(N+10, -1);	//少し多めに
        }

        SINT64 root(SINT64 A) {
                if (parent[A] < 0) {
                        return A;
                } else {
                        parent[A] = root(parent[A]);
                        return parent[A];
                }
        }

        SINT64 size(SINT64 A) {
                return parent[root(A)] * (-1);
        }

        bool judge(SINT64 A, SINT64 B) {
                A = root(A);
                B = root(B);
                if (A == B) {
                        return true;	//同じグループ
                } else {
                        return false;	//違うグループ
                }
        }

        void connect(SINT64 A, SINT64 B) {
                A = root(A);
                B = root(B);
                if (A != B) {
                        if (size(A) < size(B)) {
                                swap(A, B);
                        }
                        parent[A] += parent[B];
                        parent[B] = A;
                }
        }
};
UnionFind uni(N);
 */

/*　セグ木
class SegTree {
private:
        SINT64 size;
        vector<SINT64> node;

        SINT64 jugdement(SINT64 a, SINT64 b) {
                SINT64 ans = 0;
                ans = a+b;
                return ans;
        }

public:

        //コンストラクタ
        SegTree(vector<SINT64> data) {
                SINT64 ori_size;
                ori_size = data.size();
                size = 1;
                while (size < ori_size) {
                        size *= 2;
                }
                node.resize(2*size-1, 0);

                rep(i,0,ori_size) {
                        node[size-1+i] = data[i];
                }
                rrep(i,size-2,0) {
                        node[i] = jugdement(node[2*i+1], node[2*i+2]);
                }
        }

        //データ更新
        void update(SINT64 x, SINT64 val) {
                x += (size - 1);
        node[x] = val+node[x];
        while(x > 0) {
                x = (x - 1) / 2;
                node[x] = jugdement(node[2*x+1], node[2*x+2]);
                }
        }

        //データ取得 [a,b)
        SINT64 getdata(SINT64 a, SINT64 b, SINT64 k = 0, SINT64 l = 0, SINT64 r
= -1) { if (r < 0) { r = size;
                }

                //要求範囲外
                if ((r <= a) || (b <= l)) {
                        return 0;
                }
                //完全要求区間内
                if ((a <= l) && (r <= b)) {
                        return node[k];
                }

        SINT64 vl = getdata(a, b, 2*k+1, l, (l+r)/2);
        SINT64 vr = getdata(a, b, 2*k+2, (l+r)/2, r);
        return jugdement(vl, vr);
        }

        //表示
        void disp() {
                rep(i,0,size) {
                        puts(node[size-1+i]);
                } cout << endl;
        }

        void alldisp() {
                SINT64 cnt = 0;
                SINT64 end = 2;

                while (1) {
                        puts(node[cnt]);
                        if (cnt == end-2) {
                                end *= 2;
                                cout << endl;
                        }
                        cnt++;
                        if (cnt == size*2-1) {
                                break;
                        }
                }
        }
};

SegTree seg(N);
 */

/* 最大フロー最小カット
class Dinic {
        struct EDGE {
                SINT64 to;
                SINT64 cap;
                SINT64 rev;
        };
        vector<vector<EDGE>> G;
        vector<SINT64> level;
        vector<SINT64> root;
        SINT64 N;

public:
        Dinic(SINT64 n) {
                N = n;
                G.resize(N);
                level.resize(N);
        }

        void add(SINT64 a, SINT64 b, SINT64 cap) {
                G[a].emplace_back((EDGE){b,cap,(SINT64)G[b].size()});
                G[b].emplace_back((EDGE){a,0,(SINT64)G[a].size()-1});
        }

        void bfs(SINT64 s) {
                level[s] = 0;
                queue<SINT64> q;
                q.push(s);
                while(q.size() != 0) {
                        SINT64 buf = q.front();
                        q.pop();
                        rep(i,0,G[buf].size()) {
                                EDGE now = G[buf][i];
                                if ((now.cap > 0) && (level[now.to] == -1)) {
                                        level[now.to] = level[buf]+1;
                                        q.push(now.to);
                                }
                        }
                }
        }

        SINT64 dfs(SINT64 now, SINT64 g, SINT64 flow) {
                if (now == g) return flow;
                rep(i,root[now],G[now].size()) {
                        EDGE buf = G[now][i];
                        root[now] = i;
//dsf進捗更新 if ((buf.cap > 0) && (level[buf.to] > level[now])) { SINT64 mi =
MIN(buf.cap,flow); SINT64 nowf = dfs(buf.to,g,mi); if (nowf > 0) { G[now][i].cap
-= nowf;			//順経路に容量削減 G[buf.to][buf.rev].cap +=
nowf;	//逆経路に容量追加 return nowf;
//今回探索のFLOW追加数
                                }
                        }
                }
                return 0;
        }

        SINT64 act(SINT64 s, SINT64 g) {
                SINT64 cnt = 0;
//最大FLOWカウント if (s == g) return cnt;
//スタート＝ゴールは例外 while(1) { level.assign(N,-1);
//sからの最短距離初期化 root.assign(N,0);
//dsf進捗初期化 bfs(s); if (level[g] == -1) break;
//gへ到達不可 while(1) { SINT64 flow; flow = dfs(s,g,INF64); if (flow == 0)
break; cnt += flow;
                        }
                }
                return cnt;
        }
};
*/

/* ダイクストラ
class Dijkstra {
        vector<vector<Pll>> G;
        vector<SINT64> dist;

public:
        Dijkstra(SINT64 n) {
                G.resize(n);
                dist.resize(n, INF64);
        }

        void add(SINT64 a, SINT64 b, SINT64 cost) {
                G[a].emplace_back(Pll(b,cost));
        }

        void clear(SINT64 n) {
                dist.resize(0);
                dist.resize(n,INF64);
        }

        void form(SINT64 s) {
                priority_queue<Pll, vector<Pll>, greater<Pll>> q;
                q.push(Pll(0,s));
//cost,位置 while(q.size() != 0) { Pll now = q.top(); q.pop(); if (dist[now.S]
== INF64) { dist[now.S] = now.F; rep(i,0,G[now.S].size()) { Pll buf =
G[now.S][i]; if (dist[buf.F] == INF64) { q.push(Pll(buf.S+now.F,buf.F));
                                        }
                                }
                        }
                }
        }

        //form()で構築したsからの距離を返す
        SINT64 get_dist(SINT64 a) {
                if (dist[a] == INF64) {
                        return -1;			//到達不可
                } else {
                        return dist[a];
                }
        }
};
*/

/* LCA
class Lca {
        vector<vector<SINT64>> G;
        vector<vector<SINT64>> D;	//ダブリング
        vector<SINT64> depth;
        SINT64 N;
        SINT64 LOG_N;

public:
        Lca(SINT64 n) {
                N = n;
                LOG_N = floor(log2(N));
                G.resize(N);
                D.resize(N);
                depth.resize(N,-1);
        }

        void add(SINT64 a, SINT64 b) {
                G[a].emplace_back(b);
                G[b].emplace_back(a);
        }

        void bfs(SINT64 s) {
                depth[s] = 0;
                D[s].emplace_back(-1);
                queue<SINT64> q;
                q.push(s);
                while(q.size() != 0) {
                        SINT64 now = q.front();
                        q.pop();
                        rep(i,0,G[now].size()) {
                                SINT64 next = G[now][i];
                                if (depth[next] == -1) {
                                        depth[next] = depth[now]+1;
                                        D[next].emplace_back(now);
                                        q.push(next);
                                }
                        }
                }
        }

        //頂点のsからのダブリング構築
        void form(SINT64 s) {
                bfs(s);
                rep(i,1,LOG_N+1) {
                        rep(j,0,N) {
                                SINT64 buf = D[j][i-1];
                                if (buf == -1) {
                                        D[j].emplace_back(-1);
                                } else {
                                        D[j].emplace_back(D[buf][i-1]);
                                }
                        }
                }
        }

        //aのx上の頂点を求める
        SINT64 get(SINT64 a, SINT64 x) {
                rrep(i,LOG_N,0) {
                        if (((x >> i) & 1) == 1) {
                                a = D[a][i];
                                if (a == -1) return -1;
                        }
                }
                return a;
        }

        //aとbの共通祖先を求める
        SINT64 get_lca(SINT64 a, SINT64 b) {
                if (depth[a] < depth[b]) swap(a,b);
                SINT64 diff = depth[a] - depth[b];
                a = get(a,diff);
//aのx上の頂点を求める if (a == b) return a; rrep(i,LOG_N,0) { if (D[a][i] !=
D[b][i]) { a = D[a][i]; b = D[b][i];
                        }
                }
                return D[a][0];
        }

        //aとbの共通祖先までの距離の合計を求める
        SINT64 get_dist(SINT64 a, SINT64 b) {
                SINT64 buf = get_lca(a,b);
                return depth[a] + depth[b] - depth[buf]*2;
        }
};
*/

/* ベルマンフォード
class Bellman {
        struct EDGE {
                SINT64 from;
                SINT64 to;
                SINT64 cost;
        };
        vector<EDGE> edges;
        vector<SINT64> dist;
        SINT64 N;

public:
        Bellman(SINT64 n) {
                N = n;
                dist.resize(n, INF64);
        }

        void add(SINT64 from, SINT64 to, SINT64 cost) {
                edges.emplace_back((EDGE){from,to,cost});
        }

        //sで構築したt迄の距離取得
        SINT64 get_dist(SINT64 t) {
                //到達不可はINF64
                return dist[t];
        }

        //構築
        //負の閉路無し : 0
        //負の閉路有り : 1
        //負の閉路有るが目的地gの更新は停止 : 2
        SINT64 form(SINT64 s, SINT64 g) {
                dist[s] = 0;
                SINT64 cnt = 0;
                SINT64 check = 0;
                while(1) {
                        SINT64 renew = 0;
                        rep(i,0,edges.size()) {
                                EDGE e = edges[i];
                                if (dist[e.from] != INF64) {
                                        if (dist[e.to] > dist[e.from] + e.cost)
{ renew = 1; dist[e.to] = dist[e.from] + e.cost;
                                        }
                                }
                        }
                        if (renew == 0) return 0;

                        //N回更新後のgの距離と 2N回更新後のgの距離を比較
                        if (cnt == N) check = dist[g];
                        if (cnt > 2*N) {
                                if (check == dist[g]) return 2;
                                return 1;
                        }
                        cnt++;
                }
        }
};
*/

/*コンビネーション
class Comb {
        vector<SINT64> base;
        SINT64 N;

public:
        Comb (SINT64 n) {
                N = n+5;
                base.resize(N);
                base[0] = 1;
                rep(i,1,N) {
                        base[i] = base[i-1]*i;
                        base[i] %= MOD;
                }
        }

        SINT64 get_comb(SINT64 a, SINT64 b) {
                SINT64 ans = 0;
                SINT64 aa = base[a] * modpow(base[a-b], MOD - 2) % MOD;
                ans = aa * modpow(base[b], MOD - 2) % MOD;
                return ans;
        }

        SINT64 modpow(SINT64 a, SINT64 p) {
                if (p == 0) return 1;
                if (p % 2 == 0) {
                        SINT64 halfP = p / 2;
                        SINT64 half = modpow(a, halfP);
                        return half * half % MOD;
                } else {
                        return a * modpow(a, p - 1) % MOD;
                }
        }
};
*/

/* SUFFIX ARRAY
class SuffixArray {
private:
        vector<string> array;			// サフィックスアレイ
        vector<SINT64> lcp;				// LCP
        vector<SINT64> sais;			// SA IS
        string str;

public:
        // コンストラクタ
        SuffixArray (string s) {
                str = s;
        vector<SINT64> Vstr;
        rep(i,0,str.length()) {
            Vstr.emplace_back(str[i]);
        }
                sais_act(Vstr, sais, 255);		// SAIS実行
//		lcp_act();						//
隣り合うSUFFIXの先頭から同じ長さを算出

                // suffix array 文字列作成
//		array.resize(str.length());
//		rep(i,0,array.size()) {
//			array[i] = str.substr(sais[i]);
//		}
//		rep(i,0,array.size()) {put(array[i]);}               // 表示用
        }

        // LCP作成
        void lcp_act(void) {
                lcp.resize(str.length());
                vector<SINT64> buffer(str.length());
                rep(i,0,str.length()) {
                        buffer[sais[i]] = i;
                }

                SINT64 cnt = 0;
                rep(i,0,str.length()) {
                        if (buffer[i] >= str.length()-1) {
                                cnt = 0;

                        } else {
                                SINT64 a = buffer[i];
                                SINT64 b = buffer[i]+1;

                                while(1) {
                                        if (cnt >= str.length() - sais[a])
break; if (cnt >= str.length() - sais[a]) break;

                                        if (str[sais[a]+cnt] ==
str[sais[b]+cnt]) { cnt++; } else { break;
                                        }
                                }
                        }
                        lcp[buffer[i]] = cnt;
                        if (cnt != 0) cnt--;
                }
        }

        // 引数の文字列が何個含まれるか算出
        SINT64 get_cnt(string t) {
                SINT64 low,high;
                SINT64 L,R;
                L = -1;
                R = str.length();
                while(R-L > 1) {
                        SINT64 M = (R+L)/2;
                        string buf = str.substr(sais[M]);
                        if (buf.length() > t.length()) {
                                buf = buf.substr(0,t.length());
                        }
                        if (buf > t) {R = M;} else {L = M;}
                }
                high = R;

                L = -1;
                R = str.length();
                while(R-L > 1) {
                        SINT64 M = (R+L)/2;
                        string buf = str.substr(sais[M]);
                        if (buf >= t) {R = M;} else {L = M;}
                }
                low = R;
                return high - low;
        }

        // SAIS実行
        void sais_act(vector<SINT64>& Vstr, vector<SINT64>& r_sais, SINT64 type)
{ Vstr.push_back(0);							//
番兵追加 vector<SINT64> lms_seed;					// LMS
ソート前 vector<SINT64> lms_sort;					// LMS
ソート後 vector<SINT64> lms_long(Vstr.size(),0);		// LMS 長さ
                vector<SINT64> lms_type(Vstr.size(),1);		// 0:L 1:S 2:LMS
                vector<SINT64> lms_posi(Vstr.size(),-1);		//
LMS内での位置

                SINT64 len = 0;
                // L S LMS判定 初期値は全てS
                rrep(i,Vstr.size()-2,0) {
                        len++;
                        if (Vstr[i] > Vstr[i+1]) {
                                lms_type[i] = 0;
// L if (lms_type[i+1] == 1) {
                                        lms_type[i+1] = 2;
// LMS lms_long[i+1] = len;			// LMSの長さ格納 len = 1;
                                }
                        }
                        if (Vstr[i] == Vstr[i+1]) lms_type[i] = lms_type[i+1];
// 右と同じ
                }

                SINT64 cnt = 0;
                rep(i,0,Vstr.size()) {
                        if (lms_type[i] == 2) lms_seed.emplace_back(i);
                        if (lms_type[i] == 2) lms_posi[i] = cnt++;
                }

                // Induced Sort初回
                vector<SINT64> bucket;
// Induced Sort初回結果格納用 induced_sort(Vstr, lms_seed, bucket, lms_type,
type);

                // lms_sortにLMSのソートを格納
                rrep(i,Vstr.size()-1,0) {
                        if ((bucket[i] != -1) && (lms_type[bucket[i]] == 2)) {
                                lms_sort.emplace_back(bucket[i]);
                        }
                }

                SINT64 ok = 0; // 再帰必要性判定 SINT64 rank = 1;
// 再帰用文字 vector<SINT64> next(lms_sort.size(), 1);	// 再帰用文字列

                rrep(i,lms_sort.size()-2,0) {
            SINT64 A = lms_long[lms_sort[i]];
            SINT64 B = lms_long[lms_sort[i+1]];
                        if (A == B) {
                SINT64 ck = 0;
                rep(j,0,A) {
                    if (Vstr[lms_sort[i]+j] != Vstr[lms_sort[i+1]+j]) {
                        ck = 1;
                        break;
                    }
                }
                if (ck == 0) {
                    ok = 1;		// 再帰必要
                } else {
                    rank++;
                }
                        } else {
                                rank++;
                        }
                        next[lms_posi[lms_sort[i]]] = rank;
                }

                if (ok == 1) {
                        vector<SINT64> recursive;
                        sais_act(next, recursive, rank+1);
                        rep(i,0,recursive.size()) {
                                lms_sort[recursive.size()-i-1] =
lms_seed[recursive[i]];
                        }
                }

                // SORT済みLMSでInduced Sorting
                r_sais.resize(Vstr.size(),-1);
                induced_sort(Vstr, lms_sort, r_sais, lms_type, type);
                r_sais.erase(r_sais.begin());	// 番兵削除
        }

        // induced_sort
        void induced_sort(vector<SINT64>& Vstr, vector<SINT64>& seed,
vector<SINT64>& bucket_sort, vector<SINT64>& lms_type, SINT64 type) {
                vector<SINT64> bucket_cnt(type,0);			//
バケット 文字種ごとの数 vector<SINT64> bucket_st(type,0);
// バケット 文字種の開始位置
                vector<SINT64> bucket_end(type,0);			//
バケット 文字種の終了位置 vector<SINT64> bucket_pre(Vstr.size(),-1);	//
バケット 初回格納用 vector<SINT64> cnt1(type,0); vector<SINT64> cnt2(type,0);
                vector<SINT64> cnt3(type,0);
                bucket_sort.resize(Vstr.size(),-1);

                // バケットソート位置作成
                rep(i,0,Vstr.size()) bucket_cnt[Vstr[i]]++;
// 個数作成
                rep(i,1,type) bucket_st[i] = bucket_st[i-1] + bucket_cnt[i-1];
// 開始位置
                rep(i,0,type) bucket_end[i] = bucket_st[i] + bucket_cnt[i]-1;
// 終了位置

                // LMSをbucket_preに格納
                rep(i,0,seed.size()) {
                        SINT64 no = seed[i];
                        bucket_pre[bucket_end[Vstr[no]] - cnt1[Vstr[no]]] = no;
                        cnt1[Vstr[no]]++;
                }

                // Lをbucket_sortに格納
                rep(i,0,Vstr.size()) {
                        if ((bucket_pre[i] != -1) && (bucket_pre[i] != 0)) {
                                if (lms_type[bucket_pre[i]-1] == 0) {
// -1がLの場合 SINT64 buf = Vstr[bucket_pre[i]-1]; bucket_pre [bucket_st[buf] +
cnt2[buf]] = bucket_pre[i]-1; bucket_sort[bucket_st[buf] + cnt2[buf]] =
bucket_pre[i]-1; cnt2[buf]++;
                                }
                        }
                }

                // Sをbucket_sortに格納
                bucket_sort[0] = Vstr.size()-1;
// 番兵追加 rrep(i,Vstr.size()-1,0) { if ((bucket_sort[i] != -1) &&
(bucket_sort[i] != 0)) { if (lms_type[bucket_sort[i]-1] != 0) {		//
-1がS(LMS)の場合 SINT64 buf = Vstr[bucket_sort[i]-1];
                                        bucket_sort[bucket_end[buf] - cnt3[buf]]
= bucket_sort[i]-1; cnt3[buf]++;
                                }
                        }
                }
        }
};
*/

/* 転倒数の数え上げ
SINT64 merge_cnt(vector<SINT64> &a) {
    SINT64 n = a.size();
    if (n <= 1) { return 0; }

    SINT64 cnt = 0;
    vector<SINT64> b(a.begin(), a.begin()+n/2);
    vector<SINT64> c(a.begin()+n/2, a.end());

    cnt += merge_cnt(b);
    cnt += merge_cnt(c);

    SINT64 ai = 0, bi = 0, ci = 0;
    // merge の処理
    while (ai < n) {
        if ( bi < b.size() && (ci == c.size() || b[bi] <= c[ci]) ) {
            a[ai++] = b[bi++];
        } else {
            cnt += n / 2 - bi;
            a[ai++] = c[ci++];
        }
    }
    return cnt;
}
*/

/* 最長部分文字列
SINT64 LCS(string s, string t) {
        SINT64 n = s.size();
        SINT64 m = t.size();
        vector<vector<SINT64>> DP(n+1,vector<SINT64>(m+1,0));

        rep(i,0,n) {
                rep(j,0,m) {
                        if (s[i] == t[j]) {
                                DP[i+1][j+1] = DP[i][j]+1;
                        } else {
                                DP[i+1][j+1] = MAX(DP[i+1][j],DP[i][j+1]);
                        }
                }
        }
        return DP[n][m];
}
*/