criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include <bits/stdc++.h>

#define endl '\n'
#define Int long long
#define Double long double
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define CLR(a, b) memset(a, b, sizeof a)
#define debug(x) cerr << #x << " " << x << endl;
#define MOD 1000000007
#define MAXN 2002

using namespace std;

int n, k;
int depth[2][MAXN];
int mark[MAXN];
vector<int> net[MAXN];

void dfs(int v, int d, int t) {
    mark[v] = 1;
    depth[t][d]++;

    for(int i = 0; i < SZ(net[v]); ++i) {
        if(!mark[net[v][i]])
            dfs(net[v][i], d + 1, t);
    }
}

int main() {
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);

    cin >> n >> k;
    for(int i = 0; i < n-1; ++i) {
        int u, v; cin >> u >> v;
        u--, v--;
        net[u].push_back(v);
        net[v].push_back(u);
    }
    int ans = INT_MAX;
    if(k%2 == 0) {
        for(int i = 0; i < n; ++i) {
            CLR(mark, 0);
            //CLR(depth, 0);
            for(int i = 0; i < n; ++i)
                depth[0][i] = 0;

            dfs(i, 0, 0);

            int res = 0;
            for(int i = k/2 + 1; i < n; ++i)
                res += depth[0][i];
            ans = min(res, ans);
        }
    } else {
        for(int i = 0; i < n; ++i) {
            for(int j = 0; j < SZ(net[i]); ++j) {
                CLR(mark, 0);
                //CLR(depth, 0);
                for(int i = 0; i < n; ++i)
                    depth[0][i] = depth[1][i] = 0

                mark[net[i][j]] = 1;
                dfs(i, 0, 0);

                mark[net[i][j]] = 0;
                mark[i] = 1;
                dfs(net[i][j], 0, 1);

                int a = 0;
                int b = 0;
                for(int i = k/2 + 2; i < n; ++i) {
                    a += depth[0][i];
                    b += depth[1][i];
                }
                int res = min(a + b + depth[0][k/2 + 1], a + b + depth[1][k/2 + 1]);
                ans = min(ans, res);
            }
        }
        
    }
    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:62:50: error: expected ';' before 'mark'
   62 |                     depth[0][i] = depth[1][i] = 0
      |                                                  ^
      |                                                  ;
   63 | 
   64 |                 mark[net[i][j]] = 1;
      |                 ~~~~
Language: C++

#include <bits/stdc++.h>

#define endl '\n'
#define Int long long
#define Double long double
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define CLR(a, b) memset(a, b, sizeof a)
#define debug(x) cerr << #x << " " << x << endl;
#define MOD 1000000007
#define MAXN 2002

using namespace std;

int n, k;
int depth[2][MAXN];
int mark[MAXN];
vector<int> net[MAXN];

void dfs(int v, int d, int t) {
    mark[v] = 1;
    depth[t][d]++;

    for(int i = 0; i < SZ(net[v]); ++i) {
        if(!mark[net[v][i]])
            dfs(net[v][i], d + 1, t);
    }
}

int main() {
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);

    cin >> n >> k;
    for(int i = 0; i < n-1; ++i) {
        int u, v; cin >> u >> v;
        u--, v--;
        net[u].push_back(v);
        net[v].push_back(u);
    }
    int ans = INT_MAX;
    if(k%2 == 0) {
        for(int i = 0; i < n; ++i) {
            CLR(mark, 0);
            //CLR(depth, 0);
            for(int i = 0; i < n; ++i)
                depth[0][i] = 0

            dfs(i, 0, 0);

            int res = 0;
            for(int i = k/2 + 1; i < n; ++i)
                res += depth[0][i];
            ans = min(res, ans);
        }
    } else {
        for(int i = 0; i < n; ++i) {
            for(int j = 0; j < SZ(net[i]); ++j) {
                CLR(mark, 0);
                //CLR(depth, 0);
                for(int i = 0; i < n; ++i)
                    depth[0][i] = depth[1][i] = 0

                mark[net[i][j]] = 1;
                dfs(i, 0, 0);

                mark[net[i][j]] = 0;
                mark[i] = 1;
                dfs(net[i][j], 0, 1);

                int a = 0;
                int b = 0;
                for(int i = k/2 + 2; i < n; ++i) {
                    a += depth[0][i];
                    b += depth[1][i];
                }
                int res = min(a + b + depth[0][k/2 + 1], a + b + depth[1][k/2 + 1]);
                ans = min(ans, res);
            }
        }
        
    }
    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:47:32: error: expected ';' before 'dfs'
   47 |                 depth[0][i] = 0
      |                                ^
      |                                ;
   48 | 
   49 |             dfs(i, 0, 0);
      |             ~~~                 
a.cc:62:50: error: expected ';' before 'mark'
   62 |                     depth[0][i] = depth[1][i] = 0
      |                                                  ^
      |                                                  ;
   63 | 
   64 |                 mark[net[i][j]] = 1;
      |                 ~~~~
Language: C++

#include <algorithm>
#include <map>
#include <vector>
#include <iostream>
#include <stdio.h>
#include <set>
#include <string.h>

typedef long long ll;

using namespace std;

int dfs(int me, vector<int> &visited, vector<vector<int> > &table, int left) {
    if (left<0) return 0;
    if (visited[me]==1) return 0;

    int ret=0;
    visited[me]=1;
    if (left==0) return table[me].size()-1;
    for (int i=0; i<table[me].size(); i++)
        ret=max(ret, dfs(table[me][i], visited, table, left-1));
    return ret;
}

int main() {
    std::ios::sync_with_stdio(false);
    int n, k; cin>>n>>k;
    vector<vector<int> > table(n);

    for (int i=0; i<n-1; i++) {
        int tmp1, tmp2; cin>>tmp1>>tmp2;
        table[tmp1-1].push_back(tmp2-1);
        table[tmp2-1].push_back(tmp1-1);
    }

    int ans=n;
    for (int i=0; i<n; i++) {
        vector<int> visited(n, 0); visited[i]=1;
        int rem=0;

        for (int j=0; j<table[i].size(); j++)
            rem=max(rem, dfs(table[i][j], visited, table, k/2-1));
        if (k==1) rem=1;

        int tmp=0; for (int j=0; j<n; j++) if (visite[j]==0) tmp++;
        if (k%2==1) ans=min(ans, tmp-rem);
        else ans=min(ans, tmp-rem);
    }
    cout<<ans;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:48: error: 'visite' was not declared in this scope; did you mean 'visited'?
   45 |         int tmp=0; for (int j=0; j<n; j++) if (visite[j]==0) tmp++;
      |                                                ^~~~~~
      |                                                visited
Language: Java

package AGC001;

import java.util.ArrayDeque;
import java.util.ArrayList;
\import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		solver();
	}

	static void solver() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();// modify the graphs to the one whose diameter is
		// equal or shorter than k.
		ArrayList<Integer>[] e = new ArrayList[n];
		for (int i = 0; i < n; i++) {
			e[i] = new ArrayList<Integer>();
		}
		for (int i = 0; i < n - 1; i++) {
			int a = sc.nextInt() - 1;
			int b = sc.nextInt() - 1;
			e[a].add(b);
			e[b].add(a);
		}
		depth = new int[n];
		if (k % 2 == 0) {
			int ans = Integer.MAX_VALUE / 4;
			for (int i = 0; i < n; i++) {
				Arrays.fill(depth, 0);
				bfs(i, -1, 0, e);
				int count = 0;
				for (int j = 0; j < n; j++) {
					if (depth[j] > k / 2)
						count++;
				}
				ans = Math.min(ans, count);
			}
			System.out.println(ans);
		} else if (k % 2 == 1) {
			int ans = Integer.MAX_VALUE / 4;
			for (int i = 0; i < n; i++) {
				Arrays.fill(depth, 0);
				bfs(i, -1, 0, e);
				int[] depth1 = Arrays.copyOf(depth, depth.length);
				for (int v : e[i]) {

					Arrays.fill(depth, 0);
					bfs(v, -1, 0, e);

					int[] depth2 = Arrays.copyOf(depth, depth.length);
					int count = 0;
					for (int j = 0; j < n; j++) {
						if (depth1[j] > k / 2 && depth2[j] > k / 2) {
							count++;
						}
					}
					ans = Math.min(ans, count);
				}
			}
			System.out.println(ans);
		}
	}

	static int[] depth;

	static void bfs(int v, int p, int d, ArrayList<Integer>[] e) {
		ArrayDeque<P> q = new ArrayDeque<P>();
		q.add(new P(v, p, d));
		while (!q.isEmpty()) {
			P u = q.poll();
			depth[u.me] = u.depth;
			for (int i = 0; i < e[u.me].size(); i++) {
				if (e[u.me].get(i) != u.parent)
					q.add(new P(e[u.me].get(i), u.me, u.depth + 1));
			}
		}
	}

	static class P {
		int parent;
		int me;
		int depth;

		P(int me, int parent, int depth) {
			this.me = me;
			this.parent = parent;
			this.depth = depth;
		}
	}

}


Compiler output:
Main.java:5: error: illegal character: '\'
\import java.util.Arrays;
^
Main.java:5: error: class, interface, enum, or record expected
\import java.util.Arrays;
        ^
Main.java:6: error: class, interface, enum, or record expected
import java.util.Scanner;
^
3 errors
Language: C++

//GRL_5A
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include  <cstdio>
using namespace std;
#define INF (1<<30)
  
static const int MAX=100000;
 typedef long long ll;
typedef pair<int,int> pint;
typedef vector<int> vint;
typedef vector<pint> vpint;
#define mp make_pair
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
#define rep(i,n) for(int i=0;i<(n);i++)
#define reps(i,f,n) for(int i=(f);i<(n);i++)
class Edge{
public:
 int t,w;
 Edge(){}
 Edge(int t,int w): t(t),w(w) {}
};
 
vector<Edge> G[MAX];
int n,d[MAX];
bool vis[MAX];
int cnt;
 
void bfs(int s){
 for(int i=0;i<n;i++) d[i]=INF;
 queue<int> Q;
 Q.push(s);
 d[s]=0;
 int u;
 while(!Q.empty()){
  u=Q.front(); Q.pop();
  for(int i=0;i<G[u].size();i++){
   Edge e=G[u][i];
   if(d[e.t]==INF){
    d[e.t]=d[u]+e.w;
    Q.push(e.t);
   }
  }
 }
}
int tgt;
int tgs;
void solve(){
 bfs(0);
 int maxv=0;
 tgt=0;
 for(int i=0;i<n;i++){
  if(d[i]==INF) continue;
  if(maxv<d[i]){
   maxv=d[i];
   tgt=i;
  }
  // printf("%d\n", maxv);
 }
 bfs(tgt);
 maxv=0;
 for(int i=0;i<n;i++){
  if(d[i]==INF) continue;
  maxv=max(maxv,d[i]);
  if(maxv < d[i]){
    maxv = d[i]; tgs = i;
  }
 }
 cout<< "yea" << maxv<<endl;
}
 
 
int main(){
 int s,t, k;
 cin>>n >> k;
 for(int i=0;i<n-1;i++){
  cin>>s>>t; s--; t--;
  G[s].push_back(Edge(t,1));
  G[t].push_back(Edge(s,1));
 }
 int ans = 0;
 int now = solve();
 if(now <= k) printf("%d\n", ans);
 while(now > k){
  int a = G[tgt].size();
  int b = G[tgt].size();
  if(a <= b){
    ans += a;
    tgt = G[G[tgt][0]].size();
    
    reps(k, 1, a){
      tgt = min(G[tgt].size(), G[k].size());
    }
    tgs = G[G[tgs][0]].size();
    
    reps(k, 1, b){
      tgs = min(G[tgs].size(), G[k].size());
    }

  }
  else ans += b;
  now--;
 }
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:86:17: error: void value not ignored as it ought to be
   86 |  int now = solve();
      |            ~~~~~^~
a.cc:93:12: error: no match for 'operator[]' (operand types are 'std::vector<Edge> [100000]' and '__gnu_cxx::__alloc_traits<std::allocator<Edge>, Edge>::value_type' {aka 'Edge'})
   93 |     tgt = G[G[tgt][0]].size();
      |            ^
a.cc:98:12: error: no match for 'operator[]' (operand types are 'std::vector<Edge> [100000]' and '__gnu_cxx::__alloc_traits<std::allocator<Edge>, Edge>::value_type' {aka 'Edge'})
   98 |     tgs = G[G[tgs][0]].size();
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<typename T> using Graph = vector<vector<T>>;

#define REP(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define rep(i, a) REP(i, 0, a)
#define EACH(i, a) for (auto i: a)
#define ITR(x, a) for (__typeof(a.begin()) x = a.begin(); x != a.end(); x++)
#define ALL(a) (a.begin()), (a.end())
#define HAS(a, x) (a.find(x) != a.end())
#define endl '\n'

int N, K;
int A[2016], B[2016];
bool used[2016];
vector<int> G[2016];

pair<int, int> solve(int i, int d) {
  if (d > K) return {0, 0};
  // res = self + child num
  int res = 1;
  used[i] = true;
  for (auto j: G[i]) {
    int mx = 0;
    if (!used[j]) {
      auto p = solve(j, d + 1); 
      int n = p.first, r = p.second;
      if (r == -1 || r + mx > K) {
        used[i] = false;
        return {-1, -1};
      }
      mx = max(mx, r);
      res += n;
    }
  }
  used[i] = false;
  return {res, mx + 1};
}

int main(void) {
  cin.tie(0);
  ios::sync_with_stdio(false);

  cin >> N >> K;
  rep(i, N - 1) {
    cin >> A[i] >> B[i]; 
    G[A[i] - 1].push_back(B[i] - 1);
    G[B[i] - 1].push_back(A[i] - 1);
  }

  int ans = N;
  rep(i, N) {
    used[i] = true;
    for (auto j: G[i]) {
      auto p = solve(j, 1);
      if (p.second == -1) continue;
      //if (ans > N - p.first - 1) cout << i << " " << j << endl;
      ans = min(ans, N - p.first - 1);
    }
    used[i] = false;
  } 

  cout << ans << endl;

  return 0;
}


Compiler output:
a.cc: In function 'std::pair<int, int> solve(int, int)':
a.cc:38:16: error: 'mx' was not declared in this scope
   38 |   return {res, mx + 1};
      |                ^~
a.cc:38:22: error: could not convert '{res, <expression error>}' from '<brace-enclosed initializer list>' to 'std::pair<int, int>'
   38 |   return {res, mx + 1};
      |                      ^
      |                      |
      |                      <brace-enclosed initializer list>
Language: C++

#include <bits/stdc++.h>
using namespace std;
void init_ios() {ios_base::sync_with_stdio(false); cin.tie(nullptr);}

int N, K;
vector<int> G[2000];

int main() {
	scanf("%d%d", &N, &K);
	for (int i = 0, A,B; i < N-1; ++i) {
		scanf("%d%d", &A, &B);
		--A, --B;
		G[A].push_back(B);
		G[B].push_back(A);
	}

	int res = 1<<30;

	for (int i = 0; i < N; ++i) {
		vector<int> checked(N, 0);
		checked[i] = 1;
		queue<pair<int, int>> q;
		q.emplace(i, 0);
		while (q.size()) {
			auto v = q.top(); q.pop();
			checked[v] = 1;
			if (v.second < K) for (auto& u : G[v.first]) if (!checked[u]) {
				q.emplace(u, v.second+1);
			}
		}
		int sum = accumulate(checked.begin(), checked.end(), 0);
		res = min(res, N-sum);
	}

	printf("%d\n", res);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:36: error: 'class std::queue<std::pair<int, int> >' has no member named 'top'; did you mean 'pop'?
   25 |                         auto v = q.top(); q.pop();
      |                                    ^~~
      |                                    pop
Language: C++

#include "inspect.hpp"
#include <vector>
#include <map>
#include <iostream>
using namespace std;
typedef vector<vector<int>> Graph;

void dfs(const Graph &g,vector<int>&v,int cur,int d){
	v[cur]=d;
	for(auto &e:g[cur])if(!v[e])dfs(g,v,e,d+1);
}

typedef pair<int, int> Result;
Result visit(int p, int v, const Graph &g) {
  Result r(0, v);
  for(auto &e:g[v]) if (e != p) {
    Result t = visit(v, e, g);
    t.first += 1;
    if (r.first < t.first) r = t;
  }
  return r;
}
int diameter(const Graph &g) {
  Result r = visit(-1, 0, g);
  Result t = visit(-1, r.second, g);
  return t.first; // (r.second, t.second) is farthest pair
}

int main(){
	const int INF=1<<29;
	int n,k,R=INF;
	scanf("%d%d",&n,&k);
	vector<int>deg(n);
	Graph g(n);
	for(int i=0;i<n-1;i++){
		int a,b;
		scanf("%d%d",&a,&b);
		a--;b--;
		deg[a]++;deg[b]++;
		g[a].push_back(b);
		g[b].push_back(a);
	}
	for(int i=0;i<n;i++){
		if(deg[i]==0)return 1;
		if(deg[i]==1){ //点iは最遠点の１つ
			vector<int>v(n);
			dfs(g,v,i,1);
			int r=0,mi=0;
			for(int j=0;j<n;j++){
				if(v[j]-1>k)r++;
				mi=max(mi,v[j]-1);
			}
			if(mi==diameter(g))R=min(R,r);
		}
	}
	if(R==INF)return 1;
	printf("%d\n",R);
}

Compiler output:
a.cc:1:10: fatal error: inspect.hpp: No such file or directory
    1 | #include "inspect.hpp"
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++



#include <iomanip>
#include <utility>
#include <algorithm>
#include <type_traits>
#include <set>
#include <string>
#include <iostream>
#include <fstream>
#include <cassert>
#include <memory>
#include <unordered_set>
#include <unordered_map>
#include <set>
#include <queue>
#include <vector>
#include <array>
#include <chrono>
#include <random>
#include <forward_list>
#include <iomanip>
#include <functional>
using namespace std;
#define MFOR(i,end) for(size_t i = 0, end_i = (end); i < end_i; ++ i)

#if 0
int main()
{
	std::ofstream out("out.txt");
	out << 2000 << ' ' << 9;
	for (size_t i = 1; i < 2000; ++i)
	{
		out << i << ' ' << i+1 << '\n';
	}
}
#else
typedef int Weight;
struct Edge {
	int dst;
	Edge(int dst) :
		dst(dst){ }
};
typedef vector<Edge> Edges;//辺の集合
//typedef vector<Edges> Graph;//[頂点]
typedef std::array<Edges, 3000> Graph;//[頂点]
std::array<bool, 3000> unenabled;

typedef std::pair<Weight, std::vector<int>> Result;//距離、頂点
Result visit(int p, int v, const Graph &g) {
	Result r;
	r.first = 0;
	r.second.push_back(v);
	for(auto& e : g[v]) {
		if (e.dst != p) {
			Result t = visit(v, e.dst, g);
			t.first += 1;
			if (r.first <= t.first) {
				if (r.first < t.first) {
					r = t;
				}
				else {
					//r.first == t.first
					r.second.insert(r.second.end(), t.second.begin(), t.second.end());
				}
			}
		}
	}
	std::sort(r.second.begin(), r.second.end());
	r.second.erase(std::unique(r.second.begin(), r.second.end()), r.second.end());
	return r;
}
int main()
{
	Graph g;
	int N;
	int K;
	cin >> N >> K;
	MFOR(i, N-1) {
		int a, b;
		cin >> a >> b;
		g[a].emplace_back(b);
		g[b].emplace_back(a);
	}

	Result r = visit(-1, 1, g);
	Result t = visit(-1, r.second.front(), g);
	//t.firstは最大距離
	// (r.second, t.second) is farthest pair

	int result = 0;
	while (t.first > K)
	{
		--t.first;
		if (r.second.size() <= t.second.size()) {
			//r側のが頂点が少ない
			result += r.second.size();
			std::vector<int> temp;
			for (auto& i : r.second) {
				unenabled[i] = true;
				for (auto& j : g[i]) {
					if (unenabled[j.dst] == false) {
						temp.push_back(j.dst);
					}
				}
			}
			std::sort(temp.begin(), temp.end());
			temp.erase(std::unique(temp.begin(), temp.end()), temp.end());
			r.second = std::move(temp);
		}
		else {
			//t側のが頂点が少ない
			result += t.second.size();
			std::vector<int> temp;
			for (auto& i : t.second) {
				unenabled[i] = true;
				for (auto& j : g[i]) {
					if (unenabled[j.dst] == false) {
						temp.push_back(j.dst);
					}
				}
			}
			std::sort(temp.begin(), temp.end());
			temp.erase(std::unique(temp.begin(), temp.end()), temp.end());
			t.second = std::move(temp);
		}
	}
	cout << result;
}

Compiler output:
a.cc:27: error: unterminated #else
   27 | #if 0
Language: C++

#include "inspect.hpp"
#include <vector>
#include <map>
#include <iostream>
using namespace std;
typedef vector<vector<int>> Graph;

void dfs(const Graph &g,vector<int>&v,int cur,int d){
	v[cur]=d;
	for(auto &e:g[cur])if(!v[e])dfs(g,v,e,d+1);
}

typedef pair<int, int> Result;
Result visit(int p, int v, const Graph &g) {
  Result r(0, v);
  for(auto &e:g[v]) if (e != p) {
    Result t = visit(v, e, g);
    t.first += 1;
    if (r.first < t.first) r = t;
  }
  return r;
}
int diameter(const Graph &g,int t) {
  Result x = visit(-1, t, g);
  return x.first;
}

int main(){
	const int INF=1<<29;
	int n,k,R=INF;
	scanf("%d%d",&n,&k);
	vector<int>deg(n);
	Graph g(n);
	for(int i=0;i<n-1;i++){
		int a,b;
		scanf("%d%d",&a,&b);
		a--;b--;
		deg[a]++;deg[b]++;
		g[a].push_back(b);
		g[b].push_back(a);
	}
	for(int i=0;i<n;i++){
		if(deg[i]==0)return 1;
		if(deg[i]==1){ //点iは最遠点の１つ
			vector<int>v(n);
			dfs(g,v,i,1);
			int r=0,mi=0;
			for(int j=0;j<n;j++){
				if(v[j]-1>k)r++;
				mi=max(mi,v[j]-1);
			}
			if(mi==diameter(g,i))R=min(R,r);
		}
	}
	if(R==INF)return 1;
	printf("%d\n",R);
}

Compiler output:
a.cc:1:10: fatal error: inspect.hpp: No such file or directory
    1 | #include "inspect.hpp"
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<stdio.h>
#include<algorithm>
#include<vector>
using namespace std;
int n,k;
vector<int> e[2222];
int dp[2222][2222];
int tmp[2222];
void upd(int&x,int y){
	if(x==-1 || x>y)x=y;
}
void dfs(int x,int f){
	dp[x][0] = 1;
	for(int i=1; i<=k; i++)
		dp[x][i] = 0;
	for(vector<int>::iterator it = e[x].begin(); it!=e[x].end(); it++){
		int y=*it;
		if(y == f)continue;
		dfs(y,x);

		memset(tmp,-1,sizeof(tmp));
		for(int j=0; j<=k; j++){
			if(j<k)upd(tmp[max(j+1,k-j)],dp[y][j]+dp[x][k-j]);
			if(j)upd(tmp[max(j,k-j+1)],dp[y][k-j]+dp[x][j]);

			if(j==0)upd(tmp[j], dp[x][0] + dp[y][0]);else
			if(j*2-1<=k)
				upd(tmp[j], dp[x][j] + dp[y][j-1]);
		}
		for(int j=0; j<=k; j++){
			dp[x][j] = tmp[j];
			if(j)dp[x][j] = min(dp[x][j],dp[x][j-1]);
		}
	}
//	for(int j=0; j<=k; j++)
//		printf("%d %d: %d\n", x, j, dp[x][j]);
}
int main(){
	scanf("%d%d",&n,&k);
	++k;
	for(int i=1; i<n; i++){
		int x,y;
		scanf("%d%d",&x,&y);
		e[x].push_back(y);
		e[y].push_back(x);
	}
	dfs(1,1);
	printf("%d\n",dp[1][k]);
	return 0;
}

Compiler output:
a.cc: In function 'void dfs(int, int)':
a.cc:21:17: error: 'memset' was not declared in this scope
   21 |                 memset(tmp,-1,sizeof(tmp));
      |                 ^~~~~~
a.cc:4:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    3 | #include<vector>
  +++ |+#include <cstring>
    4 | using namespace std;
Language: C++

#include <bits/stdc++.h>
#define REP(i, a, b) for (int i = a; i <= b; ++i)
#define RVC(i, S) for (int i = 0; i < S.size(); ++i)
using namespace std;

set<int>::iterator it;
int n, k, dep[2005], sz[2005];
set<int> Tree[2005];

void dfs(int x, int fa){
	dep[x] = dep[fa] + 1;
	for (it = Tree[x].begin(); it != Tree[x].end(); ++it)
		if (*it != fa) dfs(*it, x);
}

int diam(int x, int &l, int &r){
	dep[0] = -1;
	dfs(x, 0);
	l = x;
	REP(i, 1, n) if (sz[i] && dep[i] > dep[l]) l = i;
	dfs(l, 0);
	r = x;
	REP(i, 1, n) if (sz[i] && dep[i] > dep[r]) r = i;
	return dep[r];
}

int main(){
	scanf("%d%d", &n, &k);
	REP(i, 1, n - 1){
		int u, v;
		scanf("%d%d", &u, &v);
		Tree[u].insert(v);
		Tree[v].insert(u);
		++sz[u]; ++sz[v];
	}
	//printf("initial diameter = %d\n", diam(l, l, r));
	while (diam(r, l, r) > k){
		++ans;		
		if (sz[*Tree[l].begin()] > sz[*Tree[r].begin()])
			swap(l, r);
		int fa = *Tree[l].begin();		
		--sz[l]; --sz[fa];
		Tree[l].erase(fa);
		Tree[fa].erase(l);
	}
	printf("%d\n", ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:21: error: 'r' was not declared in this scope
   37 |         while (diam(r, l, r) > k){
      |                     ^
a.cc:37:24: error: 'l' was not declared in this scope
   37 |         while (diam(r, l, r) > k){
      |                        ^
a.cc:38:19: error: 'ans' was not declared in this scope; did you mean 'abs'?
   38 |                 ++ans;
      |                   ^~~
      |                   abs
a.cc:46:24: error: 'ans' was not declared in this scope; did you mean 'abs'?
   46 |         printf("%d\n", ans);
      |                        ^~~
      |                        abs
Language: C++

#include <algorithm>
#include <iostream>
#include <cstring>
#include <vector>
using namespace std;

const int MAX_N = 1e5 + 5;
int n, m;
int Arr[MAX_N];

int main() {
	ios::sync_with_stdio(false), cin.tie(0);
	cin >> n >> m;
	for (int i = 0; i < n; i++)
		cin >> Arr[i];

	assert(n % 2);
	if (n % 2) {
		int num = 0;
		for (int i = 0; i < n; i++)
			num += (Arr[i] & 1);

		cout << "Impossible\n";
		return 0;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:9: error: 'assert' was not declared in this scope
   17 |         assert(n % 2);
      |         ^~~~~~
a.cc:5:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    4 | #include <vector>
  +++ |+#include <cassert>
    5 | using namespace std;
Language: C++

#include <algorithm>
#include <iostream>
#include <cstirng>
#include <vector>
using namespace std;

const int MAX_N = 1e5 + 5;
int n, m;
int Arr[MAX_N];

int main() {
	ios::sync_with_stdio(false), cin.tie(0);
	cin >> n >> m;
	for (int i = 0; i < n; i++)
		cin >> Arr[i];

	assert(n % 2);
	if (n % 2) {
		int num = 0;
		for (int i = 0; i < n; i++)
			num += (Arr[i] & 1);

		cout << "Impossible\n";
		return 0;
	}
	return 0;
}

Compiler output:
a.cc:3:10: fatal error: cstirng: No such file or directory
    3 | #include <cstirng>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <sstream>
#include <vector>

#define MAX_N 100000
#define MAX_M 100

using namespace std;

int N, M;
int A[MAX_N];

vector<int> solve()
{
    vector<int> B;

    vector<int> O; // 奇数のインデックス
    for ( int i = 0; i < M; i++ )
        if ( A[i] % 2 ) O.push_back( i );

    switch ( O.size() )
    {
    case 2:
        swap( A[O[1]], A[M - 1] );
    case 1:
        swap( A[O[0]], A[0] );
        break;
    case 0:
        break;
    default:
        return B;
    }

    if ( A[0] > 1 ) B.push_back( A[0] - 1 );
    switch ( M )
    {
    case 1:
        B.push_back( 1 );
        break;
    default:
        for ( int i = 1; i < M - 1; i++ ) B.push_back( A[i] );
        B.push_back( A[M - 1] + 1 );
    }

    return B;
}

int main( int argc, char **argv )
{
    cin >> N >> M;

    for ( int i = 0; i < M; i++ ) cin >> A[i];

    auto B = solve();

    if ( B.size() == 0 )
        cout << "Impossible" << endl;
    else
    {
        copy( A, A + M, ostream_iterator<int>( cout, " " ) );
        cout << endl;

        cout << B.size() << endl;

        copy( B.begin(), B.end(), ostream_iterator<int>( cout, " " ) );
        cout << endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:60:25: error: 'ostream_iterator' was not declared in this scope
   60 |         copy( A, A + M, ostream_iterator<int>( cout, " " ) );
      |                         ^~~~~~~~~~~~~~~~
a.cc:4:1: note: 'std::ostream_iterator' is defined in header '<iterator>'; this is probably fixable by adding '#include <iterator>'
    3 | #include <vector>
  +++ |+#include <iterator>
    4 | 
a.cc:60:42: error: expected primary-expression before 'int'
   60 |         copy( A, A + M, ostream_iterator<int>( cout, " " ) );
      |                                          ^~~
a.cc:65:52: error: expected primary-expression before 'int'
   65 |         copy( B.begin(), B.end(), ostream_iterator<int>( cout, " " ) );
      |                                                    ^~~
Language: C++

#include <iostream>
#include <vector>

#define MAX_N 100000
#define MAX_M 100

using namespace std;

int N, M;
int A[MAX_N];

vector<int> solve()
{
    vector<int> B;

    vector<int> O; // 奇数のインデックス
    for ( int i = 0; i < M; i++ )
        if ( A[i] % 2 ) O.push_back( i );

    switch ( O.size() )
    {
    case 2:
        swap( A[O[1]], A[M - 1] );
    case 1:
        swap( A[O[0]], A[0] );
        break;
    case 0:
        break;
    default:
        return B;
    }

    if ( A[0] > 1 ) B.push_back( A[0] - 1 );
    switch ( M )
    {
    case 1:
        B.push_back( 1 );
        break;
    default:
        for ( int i = 1; i < M - 1; i++ ) B.push_back( A[i] );
        B.push_back( A[M - 1] + 1 );
    }

    return B;
}

int main( int argc, char **argv )
{
    cin >> N >> M;

    for ( int i = 0; i < M; i++ ) cin >> A[i];

    auto B = solve();

    if ( B.size() == 0 )
        cout << "Impossible" << endl;
    else
    {
        copy( A, A + M, ostream_iterator<int>( cout, " " ) );
        cout << endl;

        cout << B.size() << endl;

        copy( B.begin(), B.end(), ostream_iterator<int>( cout, " " ) );
        cout << endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:59:25: error: 'ostream_iterator' was not declared in this scope
   59 |         copy( A, A + M, ostream_iterator<int>( cout, " " ) );
      |                         ^~~~~~~~~~~~~~~~
a.cc:3:1: note: 'std::ostream_iterator' is defined in header '<iterator>'; this is probably fixable by adding '#include <iterator>'
    2 | #include <vector>
  +++ |+#include <iterator>
    3 | 
a.cc:59:42: error: expected primary-expression before 'int'
   59 |         copy( A, A + M, ostream_iterator<int>( cout, " " ) );
      |                                          ^~~
a.cc:64:52: error: expected primary-expression before 'int'
   64 |         copy( B.begin(), B.end(), ostream_iterator<int>( cout, " " ) );
      |                                                    ^~~
Language: C++

#include<bits\stdc++.h>
using namespace std;
typedef long long ll;
ll qread()
{
	ll ans=0;char c=getchar();
	while(c<'0' or c>'9') c=getchar();
	while('0'<=c and c<='9') ans=ans*10+c-'0',c=getchar();
	return ans;
}
void write(ll num)
{
	if(num>9) write(num%10);
	putchar('0'+num%10);
}
void writeln(ll num) {write(num);puts("");}
#define pr pair<int,int>
#define FR first
#define SE second
#define MP make_pair
#define PB push_back
const int INF=0x3f3f3f3f;
void chmax(int &x,int y) {x=x>y?x:y;}

const int MAX_N=110;
int a[MAX_N];
int main()
{
	int n=qread(),m=qread();
	int cnt=0;for(int i=1;i<=m;i++) cnt+=(a[i]=qread())&1;
	if(m==1) {printf("%d\n2\n%d 1",a[1],a[1]-1);return 0;}
	if(cnt>2) {puts("Impossible");return 0;}
	for(int i=1;i<=m;i++) if((a[i]&1)==1)
	{
		for(int j=i-1;j>=1;j--) swap(a[j],a[j+1]);
		break;
	}
	for(int i=2;i<=m;i++) if((a[i]&1)==1)
	{
		for(int j=i+1;j<=m;j++) swap(a[j-1],a[j]);
		break;
	}
	for(int i=1;i<=m;i++) printf("%d ",a[i]);puts("");
	if(a[1]==1)
	{
		writeln(m-1);
		for(int i=2;i<=m;i++) printf("%d ",a[i]+(i==m));
	}
	else
	{
		writeln(m);printf("%d ",a[1]-1);
		for(int i=2;i<=m;i++) printf("%d ",a[i]+(i==m));
	}
}


Compiler output:
a.cc:1:9: fatal error: bits\stdc++.h: No such file or directory
    1 | #include<bits\stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>

using namespace std;

int cl = 0, n, m;
int a[102], b[102];
set<int> ke;

signed main() {
    scanf("%d%d", &n, &m);
    for (int i = 1; i <= m; i++) {
        scanf("%d", &a[i]);
        if (a[i] % 2) cl++;
        if (a[i] % 2) ke.insert(a[i]);
    }
    if (m == 1) {
        cout << a[1] << "\n2\n";
        cout << a[1] - 1 << ' ' << 1;
        return 0;
    }
    if (m == 2) {
        cout << a[1] << ' ' << a[2] << "\n2\n";
        cout << a[1] - 1 << ' ' << a[2] + 1;
        return 0;
    }
    if (cl > 2) {
        cout << "Impossible";
        return 0;
    }
    else {
        int it = 1;
        if (ke.size()) {
            cout << *ke.begin() << ' ';
            b[it] = *ke.begin(); it++;
        }
        for (int i = 1; i <= m; i++) {
            if (ke.find(a[i]) == ke.end()) {
                cout << a[i] << ' ';
                b[it] = a[i];
                it++;
            }
        }
        if (ke.size()) {
            ke.erase(ke.begin());
            if (!ke.size()) break;
            cout << *ke.begin();
            b[it] = *ke.begin();
        }
        cout << '\n';
        cout << m << '\n';
        b[1] --;
        b[m] ++;
        for (int i = 1; i <= m; i++) {
            cout << b[i] << ' ';
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:29: error: break statement not within loop or switch
   45 |             if (!ke.size()) break;
      |                             ^~~~~
Language: C++

#include <vector>
#include <iostream>
using namespace std;
int main() {
	int N, M;
	cin >> N >> M;
	vector<int> A(M);
	vector<int> odds;
	for (int i = 0; i < M; ++i) {
		cin >> A[i];
		if (A[i] & 1) odds.push_back(A[i]);
	}
	if (odds.size() >= 3) {
		cout << "Impossible" << endl;
	}
	else if (N == 2) {
		cout << 2 << endl << 1 << endl << 2 << endl;
	}
	else if (odds.size() == 0) {
		int ptr = find(A.begin(), A.end(), N / 2 + 1) - A.begin();
		if (ptr != M) {
			swap(A[0], A[ptr]);
		}
		for (int i = 0; i < M; ++i) {
			if (i) cout << ' ';
			cout << A[i];
		}
		cout << endl;
		cout << 2 << endl << N - 1 << ' ' << 1 << endl;
	}
	else if (odds.size() == 1) {
		cout << odds[0];
		for (int i : A) {
			if (!(i & 1)) cout << ' ' << i;
		}
		cout << endl;
		cout << (N + 1) / 2 << endl;
		for (int i = 0; i < N / 2; ++i) {
			cout << 2 << ' ';
		}
		cout << 1 << endl;
	}
	else {
		cout << odds[0];
		for (int i : A) {
			if (!(i & 1)) cout << ' ' << i;
		}
		cout << odds[1] << endl;
		cout << N / 2 << endl;
		for (int i = 0; i < N / 2; ++i) {
			if (i) cout << ' ';
			cout << 2;
		}
		cout << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:31: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, int)'
   20 |                 int ptr = find(A.begin(), A.end(), N / 2 + 1) - A.begin();
      |                           ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
                 from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:2:
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(istreambuf_iterator<_CharT, char_traits<_CharT> >, istreambuf_iterator<_CharT, char_traits<_CharT> >, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   template argument deduction/substitution failed:
a.cc:20:31: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >'
   20 |                 int ptr = find(A.begin(), A.end(), N / 2 + 1) - A.begin();
      |                           ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
#include<map>
#include<iomanip>
#include<math.h>
#include<bitset>
#include<assert>
using namespace std;
using ll=long long;
using ld=long double;
using P=pair<ll,ll>;
#define MOD 1000000007LL
#define INF 1000000000LL
#define EPS 1e-10
#define FOR(i,n,m) for(ll i=n;i<(ll)m;i++)
#define REP(i,n) FOR(i,0,n)
#define DUMP(a) REP(d,a.size()){cout<<a[d];if(d!=a.size()-1)cout<<" ";else cout<<endl;}
#define ALL(v) v.begin(),v.end()
#define UNIQUE(v)  sort(ALL(v));v.erase(unique(ALL(v)),v.end());
#define pb push_back

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	ll n, m;
	cin >> n >> m;
	vector<ll> a(m);
	REP(i,m) cin >> a[i];
	ll cnt = 0;
	REP(i,m) if(a[i] % 2) cnt++;
	if(n % 2) {
		if(cnt > 1) {
			cout << "Impossible" << endl;
			return 0;
		}
		assert(false);
		ll buf = -1;
		vector<ll> ans1;
		vector<ll> ans2;
		REP(i,m) {
			if(a[i] % 2) buf = a[i];
			else ans1.pb(a[i]);
		}
		ans1.pb(buf);
		REP(i,m) {
			if(i == 0) {
				ans2.pb(a[i] - 1);
			} else if(i == m - 1) {
				ans2.pb(a[i] + 1);
			} else ans2.pb(ans1[i]);
		}
		DUMP(ans1);
		cout << (ll)ans2.size() << endl;
		DUMP(ans2);
		return 0;

	} else {
		if(cnt > 2) {
			cout << "Impossible" << endl;
			return 0;
		}
		assert(false);
		if(cnt == 0) {
			vector<ll> ans1(m);
			REP(i,m) ans1[i] = a[i];
			vector<ll> ans2;
			ans2.pb(1);
			REP(i,m) {
				if(i != m - 1) ans2.pb(ans1[i]);
				else ans2.pb(ans1[i] - 1);
			}
			DUMP(ans1);
			cout << (ll)ans2.size() << endl;
			DUMP(ans2);
			return 0;
		}
		if(cnt == 2) {
			vector<ll> ans1;
			P buf = P(-1, -1);
			REP(i,m) {
				if(a[i] % 2 == 0) ans1.pb(a[i]);
				else {
					if(buf.first == -1) buf.first = a[i];
					else buf.second = a[i];
				}
			}
			ans1.insert(ans1.begin(), buf.first);
			ans1.pb(buf.second);
			vector<ll> ans2;
			REP(i,m) {
				if(i == 0) {
					ans2.pb(a[i] + 1);
				} else if(i == m - 1) {
					ans2.pb(a[i]);
				} else {
					if(a[i] != 1) ans2.pb(a[i] - 1);
				}
			}
			DUMP(ans1);
			cout << (ll)ans2.size() << endl;
			DUMP(ans2);
			return 0;
		}
	}
	return 0;
}


Compiler output:
a.cc:9:9: fatal error: assert: No such file or directory
    9 | #include<assert>
      |         ^~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
#include<map>
#include<iomanip>
#include<math.h>
#include<bitset>
using namespace std;
using ll=long long;
using ld=long double;
using P=pair<ll,ll>;
#define MOD 1000000007LL
#define INF 1000000000LL
#define EPS 1e-10
#define FOR(i,n,m) for(ll i=n;i<(ll)m;i++)
#define REP(i,n) FOR(i,0,n)
#define DUMP(a) REP(d,a.size()){cout<<a[d];if(d!=a.size()-1)cout<<" ";else cout<<endl;}
#define ALL(v) v.begin(),v.end()
#define UNIQUE(v)  sort(ALL(v));v.erase(unique(ALL(v)),v.end());
#define pb push_back

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	ll n, m;
	cin >> n >> m;
	vector<ll> a(m);
	REP(i,m) cin >> a[i];
	ll cnt = 0;
	REP(i,m) if(a[i] % 2) cnt++;
	if(n % 2) {
		if(cnt > 1) {
			cout << "Impossible" << endl;
			return 0;
		}
		assert(false);
		ll buf = -1;
		vector<ll> ans1;
		vector<ll> ans2;
		REP(i,m) {
			if(a[i] % 2) buf = a[i];
			else ans1.pb(a[i]);
		}
		ans1.pb(buf);
		REP(i,m) {
			if(i == 0) {
				ans2.pb(a[i] - 1);
			} else if(i == m - 1) {
				ans2.pb(a[i] + 1);
			} else ans2.pb(ans1[i]);
		}
		DUMP(ans1);
		cout << (ll)ans2.size() << endl;
		DUMP(ans2);
		return 0;

	} else {
		if(cnt > 2) {
			cout << "Impossible" << endl;
			return 0;
		}
		assert(false);
		if(cnt == 0) {
			vector<ll> ans1(m);
			REP(i,m) ans1[i] = a[i];
			vector<ll> ans2;
			ans2.pb(1);
			REP(i,m) {
				if(i != m - 1) ans2.pb(ans1[i]);
				else ans2.pb(ans1[i] - 1);
			}
			DUMP(ans1);
			cout << (ll)ans2.size() << endl;
			DUMP(ans2);
			return 0;
		}
		if(cnt == 2) {
			vector<ll> ans1;
			P buf = P(-1, -1);
			REP(i,m) {
				if(a[i] % 2 == 0) ans1.pb(a[i]);
				else {
					if(buf.first == -1) buf.first = a[i];
					else buf.second = a[i];
				}
			}
			ans1.insert(ans1.begin(), buf.first);
			ans1.pb(buf.second);
			vector<ll> ans2;
			REP(i,m) {
				if(i == 0) {
					ans2.pb(a[i] + 1);
				} else if(i == m - 1) {
					ans2.pb(a[i]);
				} else {
					if(a[i] != 1) ans2.pb(a[i] - 1);
				}
			}
			DUMP(ans1);
			cout << (ll)ans2.size() << endl;
			DUMP(ans2);
			return 0;
		}
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:17: error: 'assert' was not declared in this scope
   37 |                 assert(false);
      |                 ^~~~~~
a.cc:9:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    8 | #include<bitset>
  +++ |+#include <cassert>
    9 | using namespace std;
a.cc:63:17: error: 'assert' was not declared in this scope
   63 |                 assert(false);
      |                 ^~~~~~
a.cc:63:17: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
Language: C++

#include<stdio.h>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<cmath>
#include<iostream>
#include<queue>
#include<string>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef long double ld;
typedef unsigned long long ull;
typedef pair<long long,long long> pll;
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define rep(i,j,k)  for(register int i=(int)(j);i<=(int)(k);i++)
#define rrep(i,j,k) for(register int i=(int)(j);i>=(int)(k);i--)

ll read(){
	ll x=0,f=1;char c=getchar();
	while(c<'0' || c>'9'){if(c=='-')f=-1;c=getchar();}
	while(c>='0' && c<='9'){x=x*10+c-'0';c=getchar();}
	return x*f;
}

const int maxn=200;
int n,m;
int a[maxn];

int main(){
#ifdef LZT
	freopen("in","r",stdin);
#endif
	int num=0;
	n=read();m=read();
	rep(i,1,m) a[i]=read(),if(a[i]&1) num++;
	if(num>2){
		puts("Impossible");
		return 0;
	}
	rep(i,1,m) cout<<a[i]<<' ';
	cout<<endl;
	a[1]--;a[m]++;
	if(m>=2){
		cout<<m<<endl;
		rep(i,1,m) cout<<a[i]<<' ';
		cout<<endl;
	}
	else{
		if(n<=2){
			cout<<1<<endl;
			cout<<n<<endl;
		}
		else{
			cout<<2<<endl;
			cout<<n-1<<' '<<1<<endl;
		}
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:13: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   42 |         rep(i,1,m) a[i]=read(),if(a[i]&1) num++;
      |             ^
a.cc:22:38: note: in definition of macro 'rep'
   22 | #define rep(i,j,k)  for(register int i=(int)(j);i<=(int)(k);i++)
      |                                      ^
a.cc:42:32: error: expected primary-expression before 'if'
   42 |         rep(i,1,m) a[i]=read(),if(a[i]&1) num++;
      |                                ^~
a.cc:47:13: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   47 |         rep(i,1,m) cout<<a[i]<<' ';
      |             ^
a.cc:22:38: note: in definition of macro 'rep'
   22 | #define rep(i,j,k)  for(register int i=(int)(j);i<=(int)(k);i++)
      |                                      ^
a.cc:52:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   52 |                 rep(i,1,m) cout<<a[i]<<' ';
      |                     ^
a.cc:22:38: note: in definition of macro 'rep'
   22 | #define rep(i,j,k)  for(register int i=(int)(j);i<=(int)(k);i++)
      |                                      ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

const int MOD=1e9+7;
const double PI=3.14159265359;


int main(){
    
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n,m;
    cin>>n>>m;
    vector<int> v(m);
    int oct=0;
    for(int&i:v)cin>>i, oct+=i%2;
    if(oct>2){
        cout<<"Impossible";
        return 0;
    }
    if(n==1){
        cout<<"1 /n 1 /n 1;
        return 0;
    }
    if(m==1){
        cout<<n<<endl;
        cout<<2<<endl<<n-1<<" "<<1;
        return 0;
    }
    
    
    sort(v.begin(), v.end(), [](int i, int j) {return i%2 < j%2;});
    for(int i:v){
        cout<<i<<" ";
    }
    if(m==3 && oct==2){
        swap(v[0], v[1]);
    }
    
    cout<<endl;
    cout<<m<<endl;
    cout<<v[0]-1<<" ";
    for(int i=1; i<m-1; i++){
        cout<<v[i]<<" ";
    }
    cout<<v[m-1]+1;
    
    
    
    
    return 0;
    
    
}


Compiler output:
a.cc:24:15: warning: missing terminating " character
   24 |         cout<<"1 /n 1 /n 1;
      |               ^
a.cc:24:15: error: missing terminating " character
   24 |         cout<<"1 /n 1 /n 1;
      |               ^~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:25:9: error: expected primary-expression before 'return'
   25 |         return 0;
      |         ^~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

const int MOD=1e9+7;
const double PI=3.14159265359;


int main(){
    
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n,m;
    cin>>n>>m;
    vector<int> v(m);
    int oct=0;
    for(int&i:v)cin>>i, oct+=i%2;
    if(oct>2){
        cout<<"Impossible";
        return 0;
    }
    if(n==1){
        cout<<"1 /n 1 /n 1 /n 1 /n"
        return 0;
    }
    if(m==1){
        cout<<n<<endl;
        cout<<2<<endl<<n-1<<" "<<1;
        return 0;
    }
    
    
    sort(v.begin(), v.end(), [](int i, int j) {return i%2 < j%2;});
    for(int i:v){
        cout<<i<<" ";
    }
    if(m==3 && oct==2){
        swap(v[0], v[1]);
    }
    
    cout<<endl;
    cout<<m<<endl;
    cout<<v[0]-1<<" ";
    for(int i=1; i<m-1; i++){
        cout<<v[i]<<" ";
    }
    cout<<v[m-1]+1;
    
    
    
    
    return 0;
    
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:36: error: expected ';' before 'return'
   24 |         cout<<"1 /n 1 /n 1 /n 1 /n"
      |                                    ^
      |                                    ;
   25 |         return 0;
      |         ~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
const int N = 110, M = 100010;
vector<int>v, u;
int num, n, k, x;
int main()
{
	scanf("%d%d", &n, &k);
	if (n == 1)
		return puts("1\n1\n1"), 0;
	if (k == 1)
	{
		scanf("%d", &x);
		printf("%d\n%d\n%d %d", x, 2, x - 1, 1);
		return 0;
	}
	for (int i = 1; i <= k; i++)
	{
		scanf("%d", &x);
		v.push_back(x);
		num += x & 1;
	}
	if (num > 2)
		puts("Impossible");
  	sort(v.begin(),v.end(),greater<int>());
	else
	{
		for (int i : v)
			printf("%d ", i);
		printf("\n%d\n", v[0] == 1 ? k - 1 : k);
		if (v[0] != 1)
			printf("%d ", v[0] - 1);
		for (int i = 1; i < k; i++)
			printf("%d ", v[i] + (i == k - 1));
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: error: 'else' without a previous 'if'
   26 |         else
      |         ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
const int N = 110, M = 100010;
vector<int>v, u;
int num, n, k, x;
int main()
{
	scanf("%d%d", &n, &k);
	if (n == 1)
		return puts("1\n1\n1"), 0;
	if (k == 1)
	{
		scanf("%d", &x);
		printf("%d\n%d\n%d %d", x, 2, x - 1, 1);
		return 0;
	}
	for (int i = 1; i <= k; i++)
	{
		scanf("%d", &x);
		v.push_back(x);
		num += x & 1;
	}
	if (num > 2)
		puts("Impossible");
  	sort(v.begin(),v.end(),greater<int>);
	else
	{
		for (int i : v)
			printf("%d ", i);
		printf("\n%d\n", v[0] == 1 ? k - 1 : k);
		if (v[0] != 1)
			printf("%d ", v[0] - 1);
		for (int i = 1; i < k; i++)
			printf("%d ", v[i] + (i == k - 1));
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:44: error: expected primary-expression before ')' token
   25 |         sort(v.begin(),v.end(),greater<int>);
      |                                            ^
a.cc:26:9: error: 'else' without a previous 'if'
   26 |         else
      |         ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
const int N = 110, M = 100010;
vector<int>v, u;
int num, n, k, x;
int main()
{
	scanf("%d%d", &n, &k);
	for (int i = 1; i <= n; i++)
	{
		scanf("%d", &x);
		v.push_back(x);
		num += x & 1;
		n += x;
		if (x & 1)
			u.push_back(x);
	}
	sort(v.begin(), v.end(), greater<int>);
	if (num > 2)
		puts("Impossible");
	else if (num <= 1)
	{
		for (int i : v)
			printf("%d ", i);
		puts("\n1");
		printf("%d", n);
	}
	else
	{
		printf("%d ", u[0]);
		for (int i : v)
			if (!(i & 1))
				printf("%d ", i);
		printf("%d\n", u[1]);
		printf("%d\n", v.size());
		printf("%d ", u[0] - 1);
		for (int i : v)
			if (!(i & 1))
				printf("%d ", i);
		printf("%d\n", u[1] + 1);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:46: error: expected primary-expression before ')' token
   18 |         sort(v.begin(), v.end(), greater<int>);
      |                                              ^