Language: C++

#include <iostream>
#include <cstdlib>

#include <string>
#include <sstream>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <iostream>
#include <fstream>
#include <unistd.h>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <cassert>
#include <cstring>
#include "sys/time.h"
#ifdef LOCAL
#include <gd.h>
#include <gdfonts.h>
#endif
using namespace std;
#define HERE (cerr << "LINE: " << __LINE__ << " " << __FUNCTION__ << endl)

#define DBG(x) cerr << #x << ": " << x << endl

struct timeval timer_begin, timer_end;
uint64_t tsc_begin;
double sec_per_count = -1;
int timer_called;
inline uint64_t get_time_64() {
  uint32_t lo, hi;
  asm volatile ("rdtsc" : "=a" (lo), "=d" (hi));
  return (((uint64_t)hi << 32) | lo);
}

inline void timer_start() 
{
  timer_called++;
  gettimeofday(&timer_begin, NULL);
  tsc_begin = get_time_64();
}     
inline double timer_now() 
{
  if (sec_per_count < 0) {
    timer_called++;
    gettimeofday(&timer_end, NULL);         
    double duration = timer_end.tv_sec - timer_begin.tv_sec +
      (timer_end.tv_usec - timer_begin.tv_usec)/1000000.0;
    uint64_t tsc_duration = get_time_64() - tsc_begin;
    sec_per_count = duration / tsc_duration;
    DBG(1/sec_per_count);
  }
  return (get_time_64() - tsc_begin) * sec_per_count;
}

template<class T>
const T& clamp(const T& v,const T& lo,const T& hi) {
  return (v < lo) ? lo : (v > hi) ? hi : v;
}
template<typename T>
void assign_min_max(T& min,T& max,const T& x) {
  if (x < min)
    min = x;
  if (x > max)
    max = x;
}
unsigned int hash_function(unsigned long p) {
  // xor32()
  p ^= p<<7;
  p ^= p>>1;
  p ^= p<<25;
  unsigned int c = __builtin_popcount(p);
  return p<<c | p>>(32-c);
}
uint64_t hash_function64(uint64_t p) {
  // xor64()
  p ^= p<<16;
  p ^= p>>7;
  p ^= p<<39;
  uint64_t c = __builtin_popcount(p);
  return p<<c | p>>(64-c);
}  

struct xor128_t {
  uint64_t x, y, z, w;

  xor128_t(int seed=0) : x(123456789^seed) , y(362436069), z(521288629), w(88675123) {
    for (int i=0; i<48; i++)
      get();
  }

  void init(int seed) {
    x = 123456789^seed;
    y = 362436069;
    z = 521288629;
    w = 88675123;

    for (int i=0; i<48; i++)
      get();
  }

  inline uint64_t get() {
    uint64_t t=(x^(x<<11)); x=y; y=z; z=w;
    return (w=(w^(w>>19))^(t^(t>>8)));
  }

  inline uint64_t get(unsigned int sz) {
    if (sz <= 1)
      return 0;

    uint64_t x;
    const uint64_t mask = (1<<(ilogb(sz-1)+1)) - 1;
    //cout << sz << " " << mask << endl;
    assert(mask >= (sz-1) && mask < 2*sz-1);
    do {
      x = get() & mask;
    } while (x >= sz);

    return x;
  }

  inline int64_t get(int beg,int end) {
    return get(end-beg) + beg;
  }

  double get_double() {
    static const double double_factor = 1.0 / (1.0 + 0xffffffffffffffffuLL);
    return get() * double_factor;
  }

  double get_norm() {
    double a = get_double();
    double b = get_double();

    return sqrt(-2*log(a)) * cos(2*M_PI*b);
  }

  double get_gamma(double a) {
    if (a < 1.0) {
      return get_gamma(1+a) * pow(get_double(), 1/a);
    }
    
    double d = a - 1/3.0;
    double c = 1/sqrt(9.0 * d);

    while (true) {
      double x = get_norm();
      double uni = 1 - get_double();
      double v = (1.0+c*x)*(1.0+c*x)*(1.0+c*x);
      if (v > 0 && log(uni) < 0.5 * x*x + d - d*v + d*log(v))
	return d*v;
    }
  }

  template<typename T> void shuffle(vector<T>& v,int partial=-1) {
    int sz = v.size();
    if (partial < 0 || partial > sz)
      partial = sz;

    for (int i=0; i<partial; i++) {
      swap(v[i], v[i + get(sz-i)]);
    }
  }
  
  template<typename T> T sample(const vector<T>& v) {
    assert(!v.empty());
    return v[get(v.size())];
  }
};

// Van der Corput sequence
double vdc(int i,int base) {
  double result = 0;
  double f = 1;

  while (i > 0) {
    f /= base;
    result += f * (i%base);
    i = i/base;
  }

  return result;
}

struct uf_t {
  vector <int16_t> parent;

  void clear() {
    parent.clear();
  }

  void add(int elm) {
    if (elm >= parent.size()) 
      parent.resize(elm+1, -1);
  }

  void merge(int a,int b) {
    add(a);
    add(b);

    int ia = a;
    int ib = b;

    if ((ia^ib)&1) swap(ia, ib);  // ok?
      
    int ra = root(ia);
    int rb = root(ib);

    if (ra != rb) {
      parent[ra] += parent[rb];
      parent[rb] = ra;
    }
  }

  int size(int elm) {
    return -parent[root(elm)];
  }

  int id(int elm) {
    return root(elm);
  }

  int root(int ia) {
    add(ia);
    return (parent[ia] < 0) ? ia : (parent[ia] = root(parent[ia]));
  }
};

struct reusable_set_t {
  typedef uint8_t mark_t;
  mark_t mark;
  vector<mark_t> v;
  reusable_set_t() {}
  reusable_set_t(int n) : v(n), mark(1) {}

  void insert(int x) { v[x] = mark; }
  void erase(int x) { v[x] = mark-1; }
  int count(int x) const { return (v[x] == mark); }
  void clear() {
    mark++;
    if (mark == 0) {
      fill(v.begin(), v.end(), 0);
      mark ++;
    }
  }
};

struct sa_t {
  double ini, fin, inv_T, progress;
  int num_call, num_accept, num_better;
  xor128_t rng;
  sa_t() {}
  sa_t(double ini, double fin) : ini(ini), fin(fin), num_accept(0), num_call(0), num_better(0) {
    set_progress(0);
  }

  void set_progress(double x) {
    progress = clamp(x, 0.0, 1.0);
    inv_T = 1 / (ini * pow(fin/ini, progress));
  }

  bool acceptable(double x) {
    //bool result = (x > 0) || rng.get_double() < exp(x*inv_T);
    //bool result = (x > 0) || log(1-rng.get_double()) < x*inv_T;
    double z = x*inv_T;
    bool result = (x > 0) || (z > -12 && log(1-rng.get_double()) < z);

    //num_call ++;
    //num_accept += result;
    //num_better += (x > 0);

    return result;
  }

  void show_log() const {
    cerr << "better/accept/call: "
	 << num_better
	 << "/" << num_accept
	 << "/" << num_call 
	 << " " << (double)num_accept/num_call << endl;
  }
};


template <typename T>
struct pool_t {
  vector<T> v;
  int N;

  pool_t(int sz=0) : v(sz), N(0) {}

  void clear() { N = 0; }
  T& next() {
    N++;
    while (N >= v.size())
      v.resize(v.size()*11/10 + 1);
    return v[N-1];
  }

  typename vector<T>::iterator begin() { return v.begin(); }
  typename vector<T>::iterator end() { return v.begin()+N; }
  T& operator[](int i) { return v[i]; }
  size_t size() const { return N; }
  void resize(int sz) { assert(sz <= N); N = sz; }
  void swap(pool_t<T>& pl) {
    v.swap(pl.v);
    std::swap(N, pl.N);
  }
};

template <typename Score_t,typename Item_t,typename HashFunc_t>
struct best_k_t {
  vector<pair<Score_t,int>> v;
  vector<Item_t> items;
  HashFunc_t hashfunc;
  set<uint32_t> used;
  bool never_push;

  best_k_t() : never_push(false) {}

  void push_force(const Score_t sc,const Item_t& e) {
    int id = items.size();
    items.push_back(e);

    int n = v.size();
    v.push_back(pair<Score_t,int>(sc,id));

    int m = (n+1)/2 - 1;
    while (n > 0 && v[n] < v[m]) {
      swap(v[n], v[m]);
      n = m;
      m = (n+1)/2 - 1;
    }
  }

  bool push(const Score_t sc,const Item_t& e,int w) {
    assert(!never_push);
    if (v.size() < w) {
      auto h = hashfunc(e);
      if (!used.count(h)) {
	used.insert(h);
	push_force(sc, e);
	return true;
      } else {
	return false;
      }
    } else if (sc > v[0].first) {
      auto h = hashfunc(e);
      if (!used.count(h)) {
	int id = v[0].second;
	v[0].first = sc;
	items[id] = e;
	used.insert(h);
	rebuild();
	return true;
      } else {
	return false;
      }
    }
    return false;
  }

  bool match(const Score_t sc,int w) {
    return (v.size() < w || sc > v[0].first);
  }

  void rebuild() {
    int n = 0;
    while (true) {
      int L = (n+1)*2 - 1;
      int R = L+1;

      if (L >= v.size()) 
	break;

      int m = (R >= v.size() || v[L] < v[R]) ? L : R;

      if (v[m] < v[n]) {
	swap(v[m], v[n]);
	n = m;
      } else {
	break;
      }
    }
  }

  Item_t pop() {
    // fix me
    never_push = true;
    
    int id = v[0].second;
    Item_t ret = items[id];

    v[0] = v.back();
    v.pop_back();

    rebuild();

    return ret;
  }
  Item_t top() { return v[0].second; }

  Item_t best() const {
    int best_i = 0;
    for (int i=0; i<v.size(); i++) {
      if (v[i] < v[best_i])
	best_i = i;
    }
    return items[v[best_i].second];
  }

  void clear() { v.clear(); }
  bool empty() const { return v.empty(); }
  int size() const { return v.size(); }
};

template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
  os << "[ ";
  for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " ]"; 
  return os; 
}
template<typename T> ostream& operator<<(ostream& os, const set<T>& v) {
  os << "{ ";
  for(typename set<T>::const_iterator it=v.begin(); it!=v.end(); ++it) {
    if (it != v.begin())
      os << ", ";
    os << *it; 
  }
  os << " }"; 
  return os; 
}
template<typename T1,typename T2> ostream& operator<<(ostream& os, const pair<T1,T2>& v) {
  os << "[ " << v.first << ", " << v.second << "]";
  return os; 
}

#ifdef LOCAL
double TIME_LIMIT_FACTOR = 0.55;
#else
double TIME_LIMIT_FACTOR = 1.0;
#endif
double TIME_LIMIT = TIME_LIMIT_FACTOR * 10.0;

/* insert here */
struct pos_t {
  double x, y;
  pos_t() : x(0), y(0) {}
  pos_t(double x,double y) : x(x), y(y) {}

  double distance_to(const pos_t& p) {
    double dx = x - p.x;
    double dy = y - p.y;
    return sqrt((dx*dx) + (dy*dy));
  }
};
ostream& operator<<(ostream& os,const pos_t& p) {
  char buf[256];
  sprintf(buf, "(%.3f,%.3f)", p.x, p.y);
  os << buf;
  return os;
}
bool is_opposite_side(const pos_t& a,const pos_t& b,
                      const pos_t& c,const pos_t& d) {
  double xab = b.x - a.x;
  double yab = b.y - a.y;
  double xac = c.x - a.x;
  double yac = c.y - a.y;
  double xad = d.x - a.x;
  double yad = d.y - a.y;

  return (xab*yac - yab*xac)*(xab*yad - yab*xad) < 0;
}

                           
bool is_intersect(const pos_t& a,const pos_t& b,
                  const pos_t& c,const pos_t& d) {
  return is_opposite_side(a, b, c, d) && is_opposite_side(c, d, a, b);
}

struct edge_t {
  int a, b, d;
};
ostream& operator<<(ostream& os,const edge_t& e) {
  os << "E" << e.a << "-" << e.b << "(" << e.d << ")";
  return os;
}

struct order_t {
  int t, id, dest;
};
ostream& operator<<(ostream& os,const order_t& o) {
  os << "o#" << o.id << "(" << o.dest << "@" << o.t << ")";
  return os;
}

struct testcase_t {
  int V, E;
  vector<edge_t> es;
  vector<int> freq;
  //vector<int> carrying;
  map<int,vector<int>> carrying;
  vector<order_t> os;
  int t_max;

  // read graph and t_max.
  // return: problem ID ('A' or 'B')
  char read_header(istream& is) {
    is >> V >> E;
    es.resize(E);
    for (int i=0; i<E; i++) {
      is >> es[i].a >> es[i].b >> es[i].d;
      es[i].a --;
      es[i].b --;
    }

    build_distance_table();
    calc_coordinates();

    string s;
    getline(is, s);
    if (s.empty())
      getline(is, s);
    stringstream ss(s);
    if (find(s.begin(), s.end(), ' ') != s.end()) {
      freq.resize(V);
      for (int i=0; i<V; i++)
        ss >> freq[i];
      is >> t_max;
      return 'B';
    } else {
      ss >> t_max;
      return 'A';
    }
  }

  vector<int> ds;
  vector<int> via;
  void build_distance_table() {
    ds.resize(V*V, 1234567);
    via.resize(V*V);

    for (const auto& e : es) {
      ds[e.a*V+e.b] = e.d;
      ds[e.b*V+e.a] = e.d;
    }
    for (int i=0; i<V; i++)
      ds[i*V+i] = 0;

    for (int i=0; i<V; i++)
      for (int j=0; j<V; j++)
        via[i*V+j] = j;

    for (int k=0; k<V; k++)
      for (int i=0; i<V; i++)
        for (int j=0; j<V; j++) {
          if (ds[i*V+k]+ds[k*V+j] < ds[i*V+j]) {
            ds[i*V+j] = ds[i*V+k]+ds[k*V+j];
            via[i*V+j] = via[i*V+k];
          }
        }
  }

  vector<pos_t> ps;
  void calc_coordinates() {
#if 1
    vector<int> ds(V*V, 1234567);
    for (const auto& e : es) {
      ds[e.a*V+e.b] = 1;
      ds[e.b*V+e.a] = 1;
    }
    for (int i=0; i<V; i++)
      ds[i*V+i] = 0;

    for (int k=0; k<V; k++)
      for (int i=0; i<V; i++)
        for (int j=0; j<V; j++) {
          if (ds[i*V+k]+ds[k*V+j] < ds[i*V+j]) {
            ds[i*V+j] = ds[i*V+k]+ds[k*V+j];
          }
        }
#endif    
    int a = 0;
    for (int i=0; i<V; i++)
      if (ds[i] > ds[a])
        a = i;
    int b = a;
    for (int i=0; i<V; i++)
      if (ds[a*V+i] > ds[a*V+b])
        b = i;
    int u = b;
    for (int i=0; i<V; i++)
      if (ds[a*V+i]+ds[b*V+i] > ds[a*V+u]+ds[b*V+u])
        u = i;
    int c = u;
    for (int i=0; i<V; i++)
      if (ds[a*V+i]+ds[b*V+i]+ds[u*V+i] > ds[a*V+c]+ds[b*V+c]+ds[u*V+c])
        c = i;
    int d = c;
    for (int i=0; i<V; i++)
      if (ds[a*V+i]+ds[b*V+i]+ds[c*V+i] > ds[a*V+d]+ds[b*V+d]+ds[c*V+d])
        d = i;

    ps.resize(V);
    int mx = 0;
    double W = ds[a*V+c];
    xor128_t rng;
    for (int i=0; i<V; i++) {
      int x0 = ds[a*V+i]+ds[c*V+i]-ds[a*V+c];
      int x1 = ds[d*V+i]+ds[b*V+i]-ds[d*V+b];
      ps[i].x = 0.1 * rng.get_double() + W*(double)x0/(x0+x1);
      
      int y0 = ds[a*V+i]+ds[d*V+i]-ds[a*V+d];
      int y1 = ds[c*V+i]+ds[b*V+i]-ds[c*V+b];
      ps[i].y = 0.1 * rng.get_double() + W*(double)y0/(y0+y1);
    }

    {
      double sxy = 0;
      double sxx = 0;
      for (const auto& e : es) {
        double x = ps[e.a].distance_to(ps[e.b]);
        double y = 1;
        sxy += x*y;
        sxx += x*x;
      }
      double a = sxy / sxx;
      for (int i=0; i<V; i++) {
        ps[i].x *= a;
        ps[i].y *= a;
      }
    }
    //rng.shuffle(ps);
    
    vector<pos_t> vs(V);
    vector<map<int,double>> adjs(V);
    for (const auto& e : es) {
      adjs[e.a][e.b] = 1;
      adjs[e.b][e.a] = 1;
      //cerr << e.a << " " << e.b << " " << e.d << " : " << ps[e.a].distance_to(ps[e.b]) << endl;
    }
    
    for (int lp=0; lp<100; lp++) {
      double er2 = 0;
      double v2 = 0;
      vector<int> oo(V);
      for (int i=0; i<V; i++)
        oo[i] = i;
      rng.shuffle(oo);
      for (int i : oo) {
        for (int j=0; j<V; j++) {
          if (i == j)
            continue;
          if (adjs[i].count(j)) {
            double d = ps[i].distance_to(ps[j]);
            double e = adjs[i][j];

            //er2 += (e-floor(d))*(e-floor(d));
            
            //vs[i].x += 0.01 * (ps[i].x - ps[j].x)/d * (e-floor(d));
            //vs[i].y += 0.01 * (ps[i].y - ps[j].y)/d * (e-floor(d));
            
            er2 += (e-d)*(e-d);
            
            vs[i].x += 0.1 * (ps[i].x - ps[j].x)/d * (e-d);
            vs[i].y += 0.1 * (ps[i].y - ps[j].y)/d * (e-d);

          } else {
            double d = ps[i].distance_to(ps[j]);
            if (d < 1.2) {
              double e = 1.2;

              er2 += (e-d)*(e-d);
              
              vs[i].x += 0.1 * (ps[i].x - ps[j].x)/d * (e-d);
              vs[i].y += 0.1 * (ps[i].y - ps[j].y)/d * (e-d);
            }
          }
        }

        //cerr << lp << " " << i << " " << ps[i].x << " " << vs[i].x << endl;
        ps[i].x += vs[i].x;
        ps[i].y += vs[i].y;
        v2 += vs[i].x*vs[i].x + vs[i].y*vs[i].y;
        vs[i].x *= 0.3;
        vs[i].y *= 0.3;
      }
      if (__builtin_popcount(lp) == 1) {
        for (int a=0; a<V; a++) {
          for (const auto& pb : adjs[a]) {
            int b = pb.first;
            for (const auto& pc : adjs[b]) {
              int c = pc.first;
              if (c == a || c > b)
                continue;
              for (const auto& pd : adjs[c]) {
                int d = pd.first;
                if (d == a || d == b)
                  continue;

                if (is_intersect(ps[a], ps[b], ps[c], ps[d])) {
                  swap(ps[b], ps[c]);
                  swap(vs[b], vs[c]);
                  break;
                }
              }
            }
          }
        }
      }
    }

    double mnx = 1e234;
    double mxx = -1e234;
    double mny = 1e234;
    double mxy = -1e234;
    for (int i=0; i<ps.size(); i++) {
      assign_min_max(mnx, mxx, ps[i].x);
      assign_min_max(mny, mxy, ps[i].y);
    }
    for (int i=0; i<ps.size(); i++) {
      ps[i].x = (ps[i].x - mnx) / (mxx - mnx);
      ps[i].y = (ps[i].y - mny) / (mxy - mny);
    }
    cerr << "ps[0]: " << ps[0] << endl;

    
    if (false) {
      // graphviz DOT file
      auto tmp(ps);
      auto ps(tmp);
      rng.shuffle(ps);
      ofstream ofs("g.dot");
      ofs << "graph {" << endl;
      for (int i=0; i<V; i++) {
        ofs << "  v" << i+1 << " [pos=\""
            << ps[i].x << "," << ps[i].y << "\"];" << endl;
      }
      for (const auto& e : es) {
        ofs << "  v" << e.a+1 << " -- v" << e.b+1 << ";" << endl;
      }
      ofs << "}" << endl;
    }
    DBG(timer_now());

  }

  void read_turn_begin(istream& is,int t) {
    order_t o;
    o.t = t;     // FIXME
    int n;
    is >> n;
    for (int i=0; i<n; i++) {
      is >> o.id >> o.dest;
      o.dest --;
      os.push_back(o);
    }
    is >> n;
    for (int i=0; i<n; i++) {
      int oid;
      is >> oid;
      carrying[os[oid-1].dest].push_back(oid-1);
    }
  }

  vector<int> read_turn_end(istream& is) {
    string s;
    cin >> s;
    if (s.empty())
      cin >> s;      
    assert(s == "OK");
    int n;
    cin >> n;
    vector<int> delivered;
    for (int i=0; i<n; i++) {
      int oid;
      cin >> oid;
      delivered.push_back(oid-1);
    }

    return delivered;
  }
  
  void read_order(istream& is) {
    order_t o;
    int cnt = 0;
    for (int t=0; t<t_max; t++) {
      o.t = t;
      int n;
      is >> n;
      for (int i=0; i<n; i++) {
        cnt ++;
        is >> o.id >> o.dest;
        o.dest --;
        os.push_back(o);
      }
    }
    DBG(cnt);
  }

  vector<int> find_good_tour(const vector<int>& v,bool final=false) {
    // 2-opt TSP
    int N = v.size() + 1;
    
    vector<int> perm;
    perm.push_back(0);
    perm.insert(perm.end(), v.begin(), v.end());
    perm.push_back(0);

    int best_d = 0;
    for (int i=0; i<N; i++)
      best_d += ds[perm[i]*V+perm[i+1]];
      
    sa_t sa(1.0, 0.1);
    for (int lp=0; lp<10; lp++) {
      sa.set_progress(lp/9.0);      
      for (int a=0; a<N; a++) {
        int b = a+1;
        for (int c=b+1; c<N; c++) {
          int d = c+1;

          int cur = ds[perm[a]*V+perm[b]] + ds[perm[c]*V+perm[d]];
          int nxt = ds[perm[a]*V+perm[c]] + ds[perm[b]*V+perm[d]];
          if (final && d == N) {
            cur = ds[perm[a]*V+perm[b]];
            nxt = ds[perm[a]*V+perm[c]];
          }

          if (sa.acceptable(cur - nxt)) {
            reverse(perm.begin()+b, perm.begin()+d);
            best_d = best_d - cur + nxt;
          }
        }
      }
    }
    //reverse(perm.begin(), perm.end());

    vector<int> tour;
    {
      if (true) {
        for (int i=perm.size()/3+1; i+1<2*perm.size()/3; i++) {
          if (ds[perm[i]] < ds[perm[i-1]] &&
              ds[perm[i]] < ds[perm[i+1]] &&
              ds[perm[i]] <= 10) {
            DBG(i);
            perm.insert(perm.begin()+i, 0);
            i += 10;
          }
        }
      }

      
      for (int i=0; i+1+((final)?1:0)<perm.size(); i++) {
        int p = perm[i];
        int q = perm[i+1];
        while (p != q) {
          int v = via[p*V+q];
          for (int j=0; j<ds[p*V+v]; j++) {
            tour.push_back(v);
            //assert(tour.size() <= best_d);
          }

          p = v;
        }
      }
    }

    return tour;
  }
  
  vector<int> find_tsp(vector<int> perm) {
    // 2-opt TSP
    int N = perm.size() - 1;
    
    int best_d = 0;
    for (int i=0; i<N; i++)
      best_d += ds[perm[i]*V+perm[i+1]];
      
    sa_t sa(100.0, 0.1);
    for (int lp=0; lp<=100; lp++) {
      sa.set_progress(lp/100.0);      
      for (int a=0; a<N; a++) {
        int b = a+1;
        for (int c=b+1; c<N; c++) {
          int d = c+1;

          int cur = ds[perm[a]*V+perm[b]] + ds[perm[c]*V+perm[d]];
          int nxt = ds[perm[a]*V+perm[c]] + ds[perm[b]*V+perm[d]];

          if (sa.acceptable(cur - nxt)) {
            reverse(perm.begin()+b, perm.begin()+d);
            best_d = best_d - cur + nxt;
          }
        }
      }
      //DBG(best_d);
    }

    return perm;
  }
  
  vector<int> find_good_tour2(const map<int,vector<int>>& cs,
                              const map<int,vector<int>>& extra,
                              const int t0,bool final=false) {
    // 2-opt TSP
    cerr << "find_good_tour2: " << cs.size() << " @"  << t0 << endl;
    int N = cs.size() + 1;
    
    vector<int> perm;
    perm.push_back(0);
    for (const auto& pa : cs) {
      perm.push_back(pa.first);
    }
    perm.push_back(0);

    perm = find_tsp(perm);

    auto calc_cost = [&](const vector<int>& perm) {
      int64_t cost = 0;
      int t = t0;
      for (int i=0; i<N; i++) {
        t += ds[perm[i]*V+perm[i+1]];
        if (perm[i+1] > 0) {
          for (const auto& oid : cs.at(perm[i+1])) {
            if (t > t_max)
              cost += (int64_t)t_max * t_max;
            else
              cost += (int64_t)(t - os[oid].t)*(t - os[oid].t);
          }
        }
      }
      //return cost + (int64_t)perm.size()*(t - t0)*(t - t0);
      //return make_pair(t-t0, cost);
      //return cost;
      auto ex = (int64_t)(t - t0)*(t - t0)*(t - t0);
      if (t0 > 9500)
        ex = 0;
      
      return cost + ex;
    };

    auto cur_cost = calc_cost(perm);
    auto best_cost = cur_cost;
    auto best_perm = perm;
    int cur_d = 0;
    for (int i=0; i+1<perm.size(); i++)
      cur_d += ds[perm[i]*V+perm[i+1]];
    int best_d = cur_d;
      
    cerr << best_cost << " " << best_d << endl;    
    sa_t sa(100000.0, 0.1);
    for (int lp=0; lp<10; lp++) {
      sa.set_progress(lp/9.0);
      bool modified = false;
      for (int a=0; a<N; a++) {
        int b = a+1;
        for (int c=b+1; c<N; c++) {
          int d = c+1;

          int cur = ds[perm[a]*V+perm[b]] + ds[perm[c]*V+perm[d]];
          int nxt = ds[perm[a]*V+perm[c]] + ds[perm[b]*V+perm[d]];
          if (cur-nxt < -10)
            continue;

          reverse(perm.begin()+b, perm.begin()+d);
          auto nxt_cost = calc_cost(perm);

          if (sa.acceptable(cur_cost - nxt_cost)) {
            modified = true;
            cur_cost = nxt_cost;
            cur_d = cur_d - cur + nxt;
            if (cur_cost < best_cost) {
              best_cost = cur_cost;
              best_perm = perm;
              best_d = cur_d;
            }
          } else {
            reverse(perm.begin()+b, perm.begin()+d);
          }
        }
      }
      cerr << best_cost << " " << best_d << endl;
      if (!modified)
        break;
    }
    //reverse(perm.begin(), perm.end());
    perm = best_perm;

    for (const auto& ex : extra) {

      int e = ex.first;
      if (cs.count(e))
        continue;
      
      for (int i=0; i+1<perm.size(); i++) {
        int p = perm[i];
        int q = perm[i+1];
        if (ds[p*V+e] + ds[e*V+q] <= ds[p*V+q]) {
          perm.insert(perm.begin()+i+1, e);
          break;
        }
      }
    }
    

    vector<int> tour;
    {
      if (true) {
       
        for (int i=perm.size()/3+1; i+1<2*perm.size()/3; i++) {
          
          if (ds[perm[i]] <= ds[perm[i-1]] &&
              ds[perm[i]] <= ds[perm[i+1]] &&
              ds[perm[i]] <= 10) {
            perm.insert(perm.begin()+i, 0);
            i += 10;
          }
        }
      }

      
      for (int i=0; i+1+((final)?1:0)<perm.size(); i++) {
        int p = perm[i];
        int q = perm[i+1];
        while (p != q) {
          int v = via[p*V+q];
          for (int j=0; j<ds[p*V+v]; j++) {
            tour.push_back(v);
            //assert(tour.size() <= best_d);
          }

          p = v;
        }
      }
    }

    HERE;
    return tour;
  }

  map<int,vector<int>> choose_sub(const map<int,vector<int>>& carrying) {
    int worst_d = -1234567;
    int worst_dest = 0;
    for (const auto& pa : carrying) {
      for (int oid : pa.second) {
        int d = ds[pa.first] - os[oid-1].t;
        if (d > worst_d) {
          worst_d = d;
          worst_dest = pa.first;
        }
      }
    }
    auto carrying2(carrying);
    carrying2.clear();
    for (const auto& pa :carrying) {
#if 1
      int p = pa.first;
      int d1 = ds[worst_dest*V+p];
      int d2 = ds[p] + ds[worst_dest];
      if (2*d1 < d2) {
        carrying2.insert(pa);
      }
#else
      int p = pa.first;
      int q = worst_dest;
      if (ds[p] < ds[q])
        swap(p, q);
      int d1 = ds[p];
      int d2 = ds[q] + ds[q*V+p];
      if (d2 < d1+10)
        carrying2.insert(pa);
#endif
    }
    DBG(worst_dest+1);

    return carrying2;
  }
  
  map<int,vector<int>> choose_sub2(const map<int,vector<int>>& carrying) {
    static vector<vector<int>> subs;
    static vector<int> inv(V);
    if (subs.empty()) {
      subs.resize(4);

      int a = 0;
      for (int i=0; i<V; i++)
        if (ds[i] > ds[a])
          a = i;
      int b = a;
      for (int i=0; i<V; i++)
        if (ds[a*V+i] > ds[a*V+b])
          b = i;
      int u = b;
      for (int i=0; i<V; i++)
        if (ds[a*V+i]+ds[b*V+i] > ds[a*V+u]+ds[b*V+u])
          u = i;
      int c = u;
      for (int i=0; i<V; i++)
        if (ds[a*V+i]+ds[b*V+i]+ds[u*V+i] > ds[a*V+c]+ds[b*V+c]+ds[u*V+c])
          c = i;
      int d = c;
      for (int i=0; i<V; i++)
        if (ds[a*V+i]+ds[b*V+i]+ds[c*V+i] > ds[a*V+d]+ds[b*V+d]+ds[c*V+d])
          d = i;

      vector<vector<int>> cc(4);
      for (int i=0; i<V; i++) {
        int la = ds[i] + ds[i*V+a] - ds[a];
        int lb = ds[i] + ds[i*V+b] - ds[b];
        int lc = ds[i] + ds[i*V+c] - ds[c];
        int ld = ds[i] + ds[i*V+d] - ds[d];
        vector<int> v = {la, lb, lc, ld};
        //for (int j=0; j<4; j++) { v[j] = v[j]*4 + (i+j)%4; }
        for (int j=0; j<4; j++) { v[j] = v[j]*(i+1) + subs[j].size(); }
        
        auto idx = min_element(v.begin(), v.end()) - v.begin();
        subs[idx].push_back(i);
        inv[i] = idx;
      }

      {
        vector<int> v;
        for (int i=0; i<4; i++)
          v.push_back(subs[i].size());
        DBG(v);
      }
        
    }

    int worst_d = -1234567;
    int worst_dest = 0;
    for (const auto& pa : carrying) {
      for (int oid : pa.second) {
        int d = ds[pa.first] - os[oid-1].t;
        if (d > worst_d) {
          worst_d = d;
          worst_dest = pa.first;
        }
      }
    }
    auto carrying2(carrying);
    carrying2.clear();
    for (int x : subs[inv[worst_dest]]) {
      if (carrying.count(x))
        carrying2[x] = carrying.at(x);
    }
    DBG(worst_dest+1);

    return carrying2;
  }
  
  map<int,vector<int>> choose_sub3(const map<int,vector<int>>& carrying) {
    static vector<vector<int>> subs;
    static vector<int> inv(V);
    if (subs.empty()) {
      subs.resize(4);

      vector<pair<int, pos_t>> pp;
      for (int i=0; i<V; i++)
        pp.emplace_back(i, ps[i]);
      sort(pp.begin(), pp.end(), [](const pair<int, pos_t>& a, const pair<int, pos_t>& b) {
          return make_pair(a.second.x, a.first) < make_pair(b.second.x, b.first);
        });
      sort(pp.begin(), pp.begin()+pp.size()/2, [](const pair<int, pos_t>& a, const pair<int, pos_t>& b) {
          return make_pair(a.second.y, a.first) < make_pair(b.second.y, b.first);
        });
      sort(pp.begin()+pp.size()/2, pp.end(), [](const pair<int, pos_t>& a, const pair<int, pos_t>& b) {
          return make_pair(a.second.y, a.first) < make_pair(b.second.y, b.first);
        });

      for (int idx=0; idx<4; idx++) {
        for (int i=idx*pp.size()/4; i<(idx+1)*pp.size()/4; i++) {
          subs[idx].push_back(pp[i].first);
          inv[pp[i].first] = idx;
        }
        //draw({}, subs[idx]);
      }
      //exit(1);
    }

    int worst_d = -1234567;
    int worst_dest = 0;
    for (const auto& pa : carrying) {
      for (int oid : pa.second) {
        int d = ds[pa.first] - os[oid-1].t;
        if (d > worst_d) {
          worst_d = d;
          worst_dest = pa.first;
        }
      }
    }
    auto carrying2(carrying);
    carrying2.clear();
    for (int x : subs[inv[worst_dest]]) {
      if (carrying.count(x))
        carrying2[x] = carrying.at(x);
    }
    DBG(worst_dest+1);

    return carrying2;
  }

  vector<int> perm_to_path(const vector<int>& perm) {
    vector<int> path;
    for (int i=0; i+1<perm.size(); i++) {
      int p = perm[i];
      int q = perm[i+1];
      while (p != q) {
        int x = via[p*V+q];
        for (int j=0; j<ds[p*V+x]; j++)
          path.push_back(x);
        p = x;
      }
    }

    return path;
  }
  
  void run_B(istream& is) {

    int64_t sum = 0;
    int cur = 0;
    vector<int> tour;
    for (int t=0; t<t_max; t++) {
      read_turn_begin(is, t);

      if (!tour.empty()) {
        int x = tour.back();
        tour.pop_back();
        cout << x+1 << endl;
        //cerr << "@" << t << " " << x+1 << " " << ps[x] << endl;
      } else if (!carrying.empty()) {
        vector<int> v;

        tour = find_good_tour2(carrying, carrying, t);
        if (tour.size() > 500) {
          auto carrying2 = choose_sub2(carrying);
          tour = find_good_tour2(carrying2, carrying, t);
        }
        
        reverse(tour.begin(), tour.end());
        int x = tour.back();
        tour.pop_back();
        cout << x+1 << endl;
        //cerr << "@" << t << " " << x+1 << " " << ps[x] << endl;
      } else {
        cout << -1 << endl;
      }

      auto delivered = read_turn_end(is);
      if (!delivered.empty()) {
        int dest;
        for (int i=0; i<delivered.size(); i++) {
          int delay = t - os[delivered[i]].t + 1;
          sum += t_max*t_max - delay*delay;

          dest = os[delivered[i]].dest;
        }
        carrying.erase(dest);
      }
    }
    DBG(sum);
  }

  void run_A(istream& is) {
    read_order(is);

    if (false) {
      vector<int> perm;
      for (int i=0; i<V; i++)
        perm.push_back(i);
      perm.push_back(0);
      HERE;
      auto v = find_tsp(perm);
      auto path = perm_to_path(perm);
      
      draw(path);
      exit(1);
    }

    vector<int> path;
    int idx = 0;
    int t = 0;
    int64_t sc = 0;
    int delivered = 0;
    //map<int,vector<int>> carrying;    
    while (idx < os.size()) {
      if (t < os[idx].t) {
        path.push_back(-2);
        t++;
      } else {
        cerr << "=====" << endl;
        while (idx < os.size() && os[idx].t <= t) {
          carrying[os[idx].dest].push_back(os[idx].id);
          idx ++;
        }
        double tm = timer_now();
        auto tour = find_good_tour2(carrying, carrying, t);

        //if (tour.size() > 500 && t < 0.95*t_max && t+tour.size() < t_max) {
        if (tour.size() >  0&& t < 0.95*t_max) {
          DBG(carrying.size());
          DBG(tour.size());
          auto carrying2 = choose_sub2(carrying);
          //auto carrying2 = choose_sub(carrying);
          tour = find_good_tour2(carrying2, carrying, t);
          DBG(carrying2.size());
          DBG(tour.size());
          vector<int> tour2;
          for (int i=0; tour2.size()<10 && i<tour.size(); i++)
            if (tour2.empty() || tour2.back() != tour[i]+1)
              tour2.push_back(tour[i]+1);
          DBG(tour2);
          //draw(tour);
        }
        
        DBG(timer_now() - tm);
        DBG(tour.size());
        //draw(tour);

        for (int i=0; i<tour.size(); i++) {
          if (i-1 >= 0 && tour[i-1] != tour[i]) {
            int cur_node = tour[i-1];
            for (const auto& oid : carrying[cur_node]) {
              if (t < t_max) {
                sc += t_max*t_max - (t - os[oid-1].t)*(t - os[oid-1].t);
                delivered ++;
                //cerr << "delivered: " << t << " " << os[oid-1] << endl;
              }
            }
            carrying.erase(cur_node);
          }
          
          path.push_back(tour[i]);
          t ++;
          if (i+1 < tour.size() && tour[i] == 0 && tour[i+1] != 0) {
            cerr << i+1 << "/" << tour.size() << endl;
            break;
          }
        }
      }
    }
    if (!carrying.empty()) {
      auto tour = find_good_tour2(carrying, carrying, t);

      for (int i=0; i<tour.size(); i++) {
        if (i-1 >= 0 && tour[i-1] != tour[i]) {
          int cur_node = tour[i-1];
          for (const auto& oid : carrying[cur_node]) {
            if (t < t_max) {
              sc += t_max*t_max - (t - os[oid-1].t)*(t - os[oid-1].t);
              delivered ++;
              //cerr << "delivered: " << t << " " << os[oid-1] << endl;
            }
          }
          carrying.erase(cur_node);
        }
          
        path.push_back(tour[i]);
        t ++;
      }
    }

    path.resize(t_max, -2);
    DBG(sc);
    DBG(os.size());
    DBG(sqrt(t_max*t_max - sc/os.size()));
    int undelivered = os.size() - delivered;
    DBG(undelivered);

    //draw(path);
    for (const auto& x : path)
      cout << x+1 << endl;
  }
  
  void run_A_or_B(istream& is) {
    auto ret = read_header(is);
    cerr << "problem: " << ret << endl;
    if (ret == 'A') {
      run_A(is);
    } else {
      run_B(is);
    }
  }

#ifdef LOCAL
  void draw(vector<int> path,const vector<int>& dests={}) const {
    path.insert(path.begin(), 0);
    static int file_id = 0;

    double mnx = 1e234;
    double mxx = -1e234;
    double mny = 1e234;
    double mxy = -1e234;
    for (int i=0; i<ps.size(); i++) {
      assign_min_max(mnx, mxx, ps[i].x);
      assign_min_max(mny, mxy, ps[i].y);
    }
    
    double W = 800;
    
    int beg = 0;
    gdImagePtr img = gdImageCreateTrueColor(W+20, W+20);

    bool redraw = true;
    for (int i=0; i<=path.size(); i++) {
      if (i==path.size() ||
          i > 0 && path[i-1] != 0 && path[i] == 0) {
        for (int i=0; i<V; i++) {
          int x = 10 + W * (ps[i].x - mnx)/(mxx - mnx);
          int y = 10 + W * (ps[i].y - mny)/(mxy - mny);
          char buf[256];
          int u = i;
          if (u > 0 && !dests.empty() && find(dests.begin(), dests.end(), i) == dests.end())
            u = -1;
          sprintf(buf, "%d", i+1);
          int dx = (i+1 < 10) ? 4 : (i+1 < 100) ? 6 : 9;
          int col =
            (u+1 == 0) ? 0xccffff :
            (u+1 == 1) ? 0xffcccc : 0xccffcc;

          gdImageFilledRectangle(img, x-dx-2, y-5, x+dx, y+6, col);
          gdImageRectangle(img, x-dx-2, y-5, x+dx, y+6, 0x000000);
          gdImageString(img, gdFontSmall, x-dx, y-5, (unsigned char*)buf, 0x000000);
        }

        char fname[256];
        sprintf(fname, "images/out%04d.png", file_id);
        file_id ++;
        FILE *fp = fopen(fname, "wb");
        assert(fp);
        gdImagePng(img, fp);
        fclose(fp);

        redraw = true;
      }

      if (redraw) {
        redraw = false;
        gdImageFilledRectangle(img, 0, 0, W+20, W+20, 0xffffff);
        for (const auto& e : es) {
          int x1 = 10 + W * (ps[e.a].x - mnx)/(mxx - mnx);
          int y1 = 10 + W * (ps[e.a].y - mny)/(mxy - mny);
          int x2 = 10 + W * (ps[e.b].x - mnx)/(mxx - mnx);
          int y2 = 10 + W * (ps[e.b].y - mny)/(mxy - mny);

          gdImageLine(img, x1, y1, x2, y2, 0x888888);
        }
      }

      if (i+1 < path.size()) {
        auto p = max(path[i], 0);
        auto q = max(path[i+1], 0);
        if (p != q) {
          auto it = find_if(es.begin(), es.end(), [&](const edge_t& e) {
                return (e.a == p && e.b == q) || (e.b == p && e.a == q);
            });
          if (it == es.end()) {
            cerr << "no edge: " << p+1 << " " << q+1 << endl;
            DBG(path);
            assert(false);
          } else {
            //cerr << *it << endl;
          }
          
          int x1 = 10 + W * (ps[p].x - mnx)/(mxx - mnx);
          int y1 = 10 + W * (ps[p].y - mny)/(mxy - mny);
          int x2 = 10 + W * (ps[q].x - mnx)/(mxx - mnx);
          int y2 = 10 + W * (ps[q].y - mny)/(mxy - mny);
          
          for (int q=0; q<25; q++) {
            gdImageLine(img, x1+q%5-2, y1+q/5-2, x2, y2, 0xff0000);
          }
        }
      }
    }
    gdImageDestroy(img);
  }
#endif
};


int main()
{
  timer_start();
  testcase_t tc;

  tc.run_A_or_B(cin);

  return 0;
}


Compiler output:
a.cc:29:1: error: 'uint64_t' does not name a type
   29 | uint64_t tsc_begin;
      | ^~~~~~~~
a.cc:19:1: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
   18 | #include "sys/time.h"
  +++ |+#include <cstdint>
   19 | #ifdef LOCAL
a.cc:32:8: error: 'uint64_t' does not name a type
   32 | inline uint64_t get_time_64() {
      |        ^~~~~~~~
a.cc:32:8: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc: In function 'void timer_start()':
a.cc:42:3: error: 'tsc_begin' was not declared in this scope; did you mean 'timer_begin'?
   42 |   tsc_begin = get_time_64();
      |   ^~~~~~~~~
      |   timer_begin
a.cc:42:15: error: 'get_time_64' was not declared in this scope; did you mean 'getitimer'?
   42 |   tsc_begin = get_time_64();
      |               ^~~~~~~~~~~
      |               getitimer
a.cc: In function 'double timer_now()':
a.cc:51:5: error: 'uint64_t' was not declared in this scope
   51 |     uint64_t tsc_duration = get_time_64() - tsc_begin;
      |     ^~~~~~~~
a.cc:51:5: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:52:32: error: 'tsc_duration' was not declared in this scope; did you mean 'duration'?
   52 |     sec_per_count = duration / tsc_duration;
      |                                ^~~~~~~~~~~~
      |                                duration
a.cc:55:11: error: 'get_time_64' was not declared in this scope; did you mean 'getitimer'?
   55 |   return (get_time_64() - tsc_begin) * sec_per_count;
      |           ^~~~~~~~~~~
      |           getitimer
a.cc:55:27: error: 'tsc_begin' was not declared in this scope; did you mean 'timer_begin'?
   55 |   return (get_time_64() - tsc_begin) * sec_per_count;
      |                           ^~~~~~~~~
      |                           timer_begin
a.cc: At global scope:
a.cc:77:1: error: 'uint64_t' does not name a type
   77 | uint64_t hash_function64(uint64_t p) {
      | ^~~~~~~~
a.cc:77:1: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:87:3: error: 'uint64_t' does not name a type
   87 |   uint64_t x, y, z, w;
      |   ^~~~~~~~
a.cc:87:3: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:104:10: error: 'uint64_t' does not name a type
  104 |   inline uint64_t get() {
      |          ^~~~~~~~
a.cc:104:10: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:109:10: error: 'uint64_t' does not name a type
  109 |   inline uint64_t get(unsigned int sz) {
      |          ^~~~~~~~
a.cc:109:10: note: 'uint64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc: In constructor 'xor128_t::xor128_t(int)':
a.cc:89:26: error: class 'xor128_t' does not have any field named 'x'
   89 |   xor128_t(int seed=0) : x(123456789^seed) , y(362436069), z(521288629), w(88675123) {
      |                          ^
a.cc:89:46: error: class 'xor128_t' does not have any field named 'y'
   89 |   xor128_t(int seed=0) : x(123456789^seed) , y(362436069), z(521288629), w(88675123) {
      |                                              ^
a.cc:89:60: error: class 'xor128_t' does not have any field named 'z'
   89 |   xor128_t(int seed=0) : x(123456789^seed) , y(362436069), z(521288629), w(88675123) {
      |                                                            ^
a.cc:89:74: error: class 'xor128_t' does not have any field named 'w'
   89 |   xor128_t(int seed=0) : x(123456789^seed) , y(362436069), z(521288629), w(88675123) {
      |                                                                          ^
a.cc:91:10: error: no matching function for call to 'xor128_t::get()'
   91 |       get();
      |       ~~~^~
a.cc:124:18: note: candidate: 'int64_t xor128_t::get(int, int)'
  124 |   inline int64_t get(int beg,int end) {
      |                  ^~~
a.cc:124:18: note:   candidate expects 2 arguments, 0 provided
a.cc: In member function 'void xor128_t::init(int)':
a.cc:95:5: error: 'x' was not declared in this scope
   95 |     x = 123456789^seed;
      |     ^
a.cc:96:5: error: 'y' was not declared in this scope; did you mean 'yn'?
   96 |     y = 362436069;
      |     ^
      |     yn
a.cc:97:5: error: 'z' was not declared in this scope
   97 |     z = 521288629;
      |     ^
a.cc:98:5: error: 'w' was not declared in this scope
   98 |     w = 88675123;
      |     ^
a.cc:101:10: error: no matching function for call to 'xor128_t::get()'
  101 |       get();
      |       ~~~^~
a.cc:124:18: note: candidate: 'int64_t xor128_t::get(int, int)'
  124 |   inline int64_t get(int beg,int end) {
      |                  ^~~
a.cc:124:18: note:   candidate expects 2 arguments, 0 provided
a.cc: In member function 'int64_t xor128_t::get(int, int)':
a.cc:125:15: error: no matching function for call to 'xor128_t::get(int)'
  125 |     return get(end-beg) + beg;
      |            ~~~^~~~~~~~~
a.cc:124:18: note: candidate: 'int64_t xor128_t::get(int, int)'
  124 |   inline int64_t get(int beg,int end) {
      |                  ^~~
a.cc:124:18: note:   candidate expects 2 arguments, 1 provided
a.cc: In member function 'double xor128_t::get_double()':
a.cc:130:15: error: no matching function for call to 'xor128_t::get()'
  130 |     return get() * double_factor;
      |            ~~~^~
a.cc:124:18: note: candidate: 'int64_t xor128_t::get(int, int)'
  124 |   inline int64_t get(int beg,int end) {
      |                  ^~~
a.cc:124:18: note:   candidate expects 2 arguments, 0 provided
a.cc: In member function 'void xor128_t::shuffle(std::vector<_Tp>&, int)':
a.cc:163:27: error: no matching function for call to 'xor128_t::get(int)'
  163 |       swap(v[i], v[i + get(sz-i)]);
      |                        ~~~^~~~~~
a.cc:124:18: note: candidate: 'int64_t xor128_t::get(int, int)'
  124 |   inline int64_t get(int beg,int end) {
      |                  ^~~
a.cc:124:18: note:   candidate expects 2 arguments, 1 provided
a.cc: At global scope:
a.cc:232:11: error: 'uint8_t' does not name a type
  232 |   typedef uint8_t mark_t;
      |           ^~~~~~~
a.cc:232:11: note: 'uint8_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:233:3: error: 'mark_t' does not name a type
  233 |   mark_t mark;
      |   ^~~~~~
a.cc:234:10: error: 'mark_t' was not declared in this scope
  234 |   vector<mark_t> v;
      |          ^~~~~~
a.cc:234:16: error: template argument 1 is invalid
  234 |   vector<mark_t> v;
      |                ^
a.cc:234:16: error: template argument 2 is invalid
a.cc: In constructor 'reusable_set_t::reusable_set_t(int)':
a.cc:236:33: error: class 'reusable_set_t' does not have any field named 'mark'
  236 |   reusable_set_t(int n) : v(n), mark(1) {}
      |                                 ^~~~
a.cc: In member function 'void reusable_set_t::insert(int)':
a.cc:238:25: error: invalid types 'int[int]' for array subscript
  238 |   void insert(int x) { v[x] = mark; }
      |                         ^
a.cc:238:31: error: 'mark' was not declared in this scope
  238 |   void insert(int x) { v[x] = mark; }
      |                               ^~~~
a.cc: In member function 'void reusable_set_t::erase(int)':
a.cc:239:24: error: invalid types 'int[int]' for array subscript
  239 |   void erase(int x) { v[x] = mark-1; }
      |                        ^
a.cc:239:30: error: 'mark' was not declared in this scope
  239 |   void erase(int x) { v[x] = mark-1; }
      |                              ^~~~
a.cc: In member function 'int reusable_set_t::count(int) const':
a.cc:240:37: error: invalid types 'const int[int]' for array subscript
  240 |   int count(int x) const { return (v[x] == mark); }
      |                                     ^
a.cc:240:44: error: 'mark' was not declared in this scope
  240 |   int count(int x) const { return (v[x] == mark); }
      |                                            ^~~~
a.cc: In member function 'void reusable_set_t::clear()':
a.cc:242:5: error: 'mark' was not declared in this scope
  242 |     mark++;
      |     ^~~~
a.cc:244:14: error: request for member 'begin' in '((reusable_set_t*)this)->reusable_set_t::v', which is of non-class type 'int'
  244 |       fill(v.begin(), v.end(), 0);
      |              ^~~~~
a.cc:244:25: error: request for member 'end' in '((reusable_set_t*)this)->reusable_set_t::v', which is of non-class type 'int'
  244 |       fill(v.begin(), v.end(), 0);
      |                         ^~~
a.cc: In member function 'void sa_t::set_progress(double)':
a.cc:260:21: error: call of overloaded 'clamp(double&, double, double)' is ambiguous
  260 |     progress = clamp(x, 0.0, 1.0);
      |                ~~~~~^~~~~~~~~~~~~
a.cc:59:10: note: candidate: 'const T& clamp(const T&, const T&, const T&) [with T = double]'
   59 | const T& clamp(const T& v,const T& lo,const T& hi) {
      |          ^~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:13:
/usr/include/c++/14/bits/stl_algo.h:3624:5: note: candidate: 'constexpr const _Tp& std::clamp(const _Tp&, const _Tp&, const _Tp&) [with _Tp = double]'
 3624 |     clamp(const _Tp& __val, const _Tp& __lo, const _Tp& __hi)
      |     ^~~~~
a.cc: At global scope:
a.cc:318:7: error: 'uint32_t' was not declared in this scope
  318 |   set<uint32_t> used;
      |       ^~~~~~~~
a.cc:318:7: note: 'uint32_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:318:15: error: template argument 1 is invalid
  318 |   set<uint32_t> used;
      |               ^
a.cc:318:15: error: template argument 2 is invalid
a.cc:318:15: error: template argument 3 is invalid
a.cc: In member function 'bool best_k_t<Score_t, Item_t, HashFunc_t>::push(Score_t, const Item_t&, int)':
a.cc:342:17: error: request for member 'count' in '((best_k_t<Score_t, Item_t, HashFunc_t>*)this)->best_k_t<Score_t, Item_t, HashFunc_t>::used', which is of non-class type 'int'
  342 |       if (!used.count(h)) {
      |                 ^~~~