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

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 500010;
char s[N];
int n,a[N],ans;
int main(){
	//freopen("in.txt","r",stdin);
	//scanf("%s",s);
	gets(s);
	n = strlen(s);
	reverse(s,s+n);
	for(int i=0;i<n;i++) a[i]=s[i]-'0';
	a[n] = 0;
	bool pd = false;
	int pos = n;
	for(int i=n-1;i>=0;i--){
		if(a[i]<a[i+1]){
			if(pd){
				a[0]++;
				for(int j=0;j<pos;j++) 
					if(a[j]>=10){
						a[j+1]++;
						a[j]-=10;
					} else break;
				ans++;
			}
			i = pos;
			a[i] = 0;
			pd=false;
		} else {
			if(a[i]>0) pd = true;
			if(a[i]!=a[i+1]) pos = i;
		}
	}
	ans++;
	printf("%d\n",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   10 |         gets(s);
      |         ^~~~
      |         getw
Language: C++

import java.io.*;
import java.util.*;
import java.math.*;

public class Main {
	
	Input in;
	PrintWriter out;
	
	final static int INF = (int) 1e9;
	final static int MOD = (int) 1e9 + 7;
	final static long LINF = (long) 1e18;
	final static double PI = (double) Math.acos(-1.0);
	final static double EPS = (double) 1e-9;
	
	void solve() {
		BigInteger A = new BigInteger(in.nextString());
		int ans = 0;
		while (A.compareTo(BigInteger.ZERO) > 0) {
			ans++;
			String S = A.toString();
			String T = "";
			for (int i = 0; i < S.length() - 1; i++) {
				if (S.charAt(i) > S.charAt(i + 1)) {
					for (int j = i; j >= 0; j--) {
						if (j == 0 || S.charAt(j - 1) < S.charAt(j)) {
							for (int k = 0; k < j; k++) {
								T += S.charAt(k);
							}
							T += S.charAt(j) - '0' - 1;
							for (int k = j + 1; k < S.length(); k++) {
								T += 9;
							}
							break;
						}
					}
					break;
				}
			}
			if (T.equals("")) T = S;
			BigInteger B = new BigInteger(T);
			A = A.subtract(B);
		}
		out.println(ans);
	}
	
	public static void main(String[] args) {
		(new Main()).run();
	}
	
	public void run() {
		in = new Input();
		try {
			out = new PrintWriter(System.out);
			//out = new PrintWriter(new FileWriter("a.out"));
		}
		catch (Exception ex) {
		}
		long stime = System.currentTimeMillis();
		//int test = in.nextInt(); while (test-- > 0)
		solve();
		//if (System.getProperty("ONLINE_JUDGE") == null) {
		//	out.println("\nTime elapsed: " + (System.currentTimeMillis() - stime) + "ms");
		//}
		out.close();
	}
	
	public class Input {
		private StringTokenizer token = null;
		private BufferedReader in;
		public Input() {
			try {
				if (System.getProperty("ONLINE_JUDGE") == null) {
					in = new BufferedReader(new InputStreamReader(System.in));
					//in = new BufferedReader(new FileReader("in.txt"));
				}
				else {
					in = new BufferedReader(new InputStreamReader(System.in));
				}
			}
			catch (Exception ex) {
			}
		}
		public int nextInt() {
			return Integer.parseInt(nextString());
		}
		public long nextLong() {
			return Long.parseLong(nextString());
		}
		public double nextDouble() {
			return Double.parseDouble(nextString());
		}
		String nextString() {
			try {
				while (token == null || !token.hasMoreTokens()) {
					token = new StringTokenizer(in.readLine());
				}
			}
			catch (IOException e) {
			}
			return token.nextToken();
		}
	}
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.io.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.math.*;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: expected unqualified-id before 'public'
    5 | public class Main {
      | ^~~~~~
Language: C++

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

const int maxn = 500000 + 10;

int n, not_zero;
char s[maxn];

void addone(void) {
  for (int i = n - 1; i >= not_zero; --i) {
    if (s[i] != '9') {
      ++s[i];
      break;
    } else {
      s[i] = '0';
    }
  }
}

int main(void) {
  while (isdigit(s[n] = getchar())) ++n;
  int ans = not_zero = 0;
  while (not_zero < n) {
    int begin = not_zero;
    for (int i = not_zero + 1; i < n; ++i) {
      if (s[i] > s[begin]) {
        begin = i;
      } else if (s[i] < s[begin]) {
        not_zero = begin + 1;
        addone();
        ++ans;
        begin = -1;
        break;
      }
    }
    if (begin >= 0) {
      ++ans;
      break;
    }
  }
  printf("%d\n", ans);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:10: error: 'isdigit' was not declared in this scope
   23 |   while (isdigit(s[n] = getchar())) ++n;
      |          ^~~~~~~
Language: C++

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

const int maxn = 500000 + 10;

int n, not_zero;
char s[maxn];

void addone(void) {
  for (int i = n - 1; i >= not_zero; --i) {
    if (s[i] != '9') {
      ++s[i];
      break;
    } else {
      s[i] = '0';
    }
  }
}

int main(void) {
  gets(s);
  n = strlen(s);
  int ans = not_zero = 0;
  while (not_zero < n) {
    int begin = not_zero;
    for (int i = not_zero + 1; i < n; ++i) {
      if (s[i] > s[begin]) {
        begin = i;
      } else if (s[i] < s[begin]) {
        not_zero = begin + 1;
        addone();
        ++ans;
        begin = -1;
        break;
      }
    }
    if (begin >= 0) {
      ++ans;
      break;
    }
  }
  printf("%d\n", ans);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: 'gets' was not declared in this scope; did you mean 'getw'?
   23 |   gets(s);
      |   ^~~~
      |   getw
Language: C++

#include <stdio.h>
#include <iostream>
#include <string>
using namespace std;


string strInc(string N)
{

	int i = N.size()-1;
	while (1){
		//cout << N << endl;
		if (N[i] == '9'){
			N[i] = '0';
			if (i  == 0){
				N = "1" + N;
				break;
			}
			else{
				i--;
			}
		}
		else{
			N[i]++;
			break;
		}
	}

	return N;

}


void main()
{
	string N;
	int X[100];
	cin >> N;

	
	//cout << N << endl;
	//cout << strInc(N)<< endl;
	
	//N = "7204647845201772120166980358816078279571541735614841625060678056933503";
	//N = "20170312";
	//N = "123456789";
	//N = "80";
	//N = "678056933528";
	//N = "9998";
	int cnt = 1;
	bool flg = true;
	cout << N << endl;
	for (int i= 0; i < N.size()-1; i++){
		if (N[i] > N[i + 1]){
			cnt++;
			N = strInc(N);
			for (int j = 0; j <= i; j++){
				cout << " ";
			}
			for (int j = i + 1; j < N.size(); j++){
				cout << N[j];
			}
			cout << endl;
			
		}
		
	}
	cout << cnt<< endl;
}


Compiler output:
a.cc:34:1: error: '::main' must return 'int'
   34 | void main()
      | ^~~~
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Random;
import java.util.StringTokenizer;

/**
 * @author Pavel Mavrin
 */
public class E {

    private void solve() throws IOException {
        String s = next();
        z = true;
        out.println(solve(s));
//        Random random = new Random();
//        while (true) {
//            String s = "" + Math.abs(random.nextLong()) + Math.abs(random.nextLong()) + Math.abs(random.nextLong());
//            System.out.println(s);
//            z = false;
//            int s1 = solve(s);
//            z = true;
//            int s2 = solve(s);
//            if (s1 != s2) {
//                System.out.println(s + " " + s1 + " " + s2);
//                return;
//            }
//        }
    }

    private int solve(String s) {
        long l = 0;
        long r = 1;
        while (!can(s, r)) r *= 2;
        while (r > l + 1) {
            long m = (l + r) / 2;
            if (can(s, m)) {
                r = m;
            } else {
                l = m;
            }
        }
        return (int) r;
    }

    boolean z = false;

    private boolean can(String s, long q) {
        q *= 9;
        long ss = 0;
        for (int i = s.length() - 1; i >= 0; i--) {
            int d = s.charAt(i) - '0';
            // d - (q / 10) + 10 * k <= q
            // k <= (q - d + (q / 10)) / 10
            long max = q;
            if (z) {
                if (i < 18) {
                    max = Math.min(max, Long.parseLong(s.substring(0, i + 1)) - ss);
                }
            }
            if (max - d + ss < 0) return false;
            long k = (max - d + ss) / 10;
            long qq = d + k * 10 - ss;
            if (qq > max) throw new RuntimeException();
            q = qq;
            ss = q / 10;
        }
        return true;
    }

    // ------------------

    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st;
    PrintWriter out = new PrintWriter(System.out);

    String next() throws IOException {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }

    int nextInt() throws IOException {
        return Integer.parseInt(next());
    }

    public static void main(String[] args) throws IOException {
        new E().run();
    }

    private void run() throws IOException {
        solve();
        out.close();
    }

}


Compiler output:
Main.java:11: error: class E is public, should be declared in a file named E.java
public class E {
       ^
1 error
Language: C++

#define NDEBUG
#include <bits/stdc++.h>
#include <windows.h>
#define mset(a,b) memset(a,b,sizeof a)
#define mcpy(a,b) memcpy(a,b,sizeof b)
#define xx first
#define yy second
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define pii pair<int,int> 
#define lb(x) ((x)&(-(x)))
#define dalao 1000000007
#define inf 0x3f3f3f3f
#define N 200005
using namespace std;
typedef long long ll;
int n,K,a[N],b[N],mi[N<<2];
ll s,l[N],r[N],x[N],num,f[N],tot,ans=1ll*inf*inf;
inline void modify(int x,int l,int r,int L,int R,int v){
	if(l>r)return;
	if(l==L&&r==R){mi[x]=v;return;}
	int mid=L+R>>1;
	if(r<=mid)modify(x<<1,l,r,L,mid,v);
	else if(l>mid)modify(x<<1|1,l,r,mid+1,R,v);
	else modify(x<<1,l,mid,L,mid,v),modify(x<<1|1,mid+1,r,mid+1,R,v);
}
inline int ask(int x,int p,int l,int r){
	if(l==r)return mi[x];
	int mid=l+r>>1;
	if(p<=mid)return min(ask(x<<1,p,l,mid),mi[x]);
	return min(ask(x<<1|1,p,mid+1,r),mi[x]);
}
int main(){
	scanf("%d%d",&n,&K);
	for(int i=1;i<=n;i++)scanf("%d%d",&a[i],&b[i]),tot+=a[i]<<1;
	for(int i=1;i<=n;i++){
		if(b[i]==1&&a[i]*2>K)return puts("-1"),0;
		if(b[i]==1)l[i]=s,r[i]=((s-2*a[i])%K+K)%K,x[++num]=l[i],x[++num]=r[i];
		else l[i]=0,r[i]=K-1;
		s=(s-2*a[i]%K+K)%K;
//		cout<<l[i]<<" "<<r[i]<<endl;
	}
	sort(x+1,x+1+num),num=unique(x+1,x+1+num)-x-1;
	for(int i=1;i<=n;i++)
		l[i]=lower_bound(x+1,x+1+num,l[i])-x,r[i]=lower_bound(x+1,x+1+num,r[i])-x;
	for(int i=1;i<=(num<<2);i++)mi[i]=n+1;
	for(int i=n;i;i--){
		int t=ask(1,l[i],1,num);
		if(t^n+1)f[i]=f[t]+(x[l[t]]-x[l[i]]+K)%K;
		if(l[i]<=r[i])modify(1,r[i]+1,num,1,num,i),modify(1,1,l[i]-1,1,num,i);
		else modify(1,r[i]+1,l[i]-1,1,num,i);
//		cout<<l[i]<<" "<<r[i]<<" "<<t<<" "<<f[i]<<endl;
	}
	for(int i=1;i<=num;i++){
		int t=ask(1,i,1,num);
		if(t<=n)ans=min(ans,f[t]+((x[l[t]]-x[i])%K+K)%K);
		else ans=0;
	}
	if(ans>=1ll*inf*inf)puts("-1");
	else cout<<ans+tot;
	return 0;
}

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

#include <cstdio>
#include <algorithm>

#define Rep(i, n) for (int i = 1; i <= n; i ++)
#define Rep0(i, n) for (int i = 0; i <= n; i ++)

using namespace std;

typedef long long LL;
const int N = 100010;

int t[N * 8];
int num = 0;
void build(int x, int l, int r)
{
	t[x] = 2e9;
	if (l == r) return;
	int mid = (l + r) >> 1;
	build(x << 1, l, mid); build(x << 1 | 1, mid + 1, r);
}
void modify(int x, int l, int r, int a, int b, int c)
{
	if (a > b) return;
	if (a <= l && r <= b){ t[x] = c; return;}
	int mid = (l + r) >> 1;
	if (a <= mid) modify(x << 1, l, mid, a, b, c);
	if (b > mid) modify(x << 1 | 1, mid + 1, r, a, b, c);
}
int query(int x, int l, int r, int a)
{
	int ret = t[x];
	if (l == r) return ret;
	int mid = (l + r) >> 1;
	if (a <= mid) ret = min(ret, query(x << 1, l, mid, a));
	else ret = min(ret, query(x << 1 | 1, mid + 1, r, a));
	return ret;
}

int b[N], cnt;
LL L[N], R[N], s[N], f[N], a[N], h[N];
int main()
{
	
	int n, k;
	scanf("%d%d", &n, &k);
	Rep(i, n) scanf("%lld%d", &a[i], &b[i]);
	Rep(i, n){
		if (b[i] == 1 && a[i] * 2 > k) { printf("-1\n"); return 0;}
		a[i] += a[i - 1], s[i] = a[i] % k;
		if (b[i] == 1){
			L[i] = ((-s[i - 1] * 2) % k + k) % k, h[++ cnt] = L[i];
			R[i] = ((-s[i] * 2) % k + k) % k, h[++ cnt] = R[i];
		}
	}
	h[++ cnt] = 0, h[++ cnt] = k - 1;
	sort(h + 1, h + 1 + cnt);
	cnt = unique(h + 1, h + 1 + cnt) - h - 1;
	Rep(i, n) if (b[i] == 1) {
		L[i] = lower_bound(h + 1, h + 1 + cnt, L[i]) - h;
		R[i] = lower_bound(h + 1, h + 1 + cnt, R[i]) - h;
	}
	build(1, 1, cnt);//printf("%d\n", cnt);
	for (int i = n; i; i --) if (b[i] == 1) {
		int tmp = query(1, 1, cnt, L[i]);
		if (tmp != 2e9) f[i] = f[tmp] + (h[L[tmp]] - h[L[i]] + k) % k;
		else f[i] = 0;
		if (L[i] <= R[i]){
			modify(1, 1, cnt, 1, L[i] - 1, i);
			modify(1, 1, cnt, R[i] + 1, cnt, i);
		}
		else modify(1, 1, cnt, R[i] + 1, L[i] - 1, i);
	}
	LL ans = 1e18;
	Rep(i, n) if (b[i] == 1){
		int tmp = query(1, 1, cnt, L[i]);
		if (tmp != 2e9) ans = min(ans, f[tmp] + (h[L[tmp]] - h[L[i]] + k) % k); 
		else ans = 0;
		tmp = query(1, 1, cnt, R[i]);
		if (tmp != 2e9) ans = min(ans, f[tmp] + (h[L[tmp]] - h[R[i]] + k) % k);
		else ans = 0;A
	}
	
	printf("%lld\n", ans + a[n] * 2);
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:80:30: error: 'A' was not declared in this scope
   80 |                 else ans = 0;A
      |                              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

using ll=long long;
#define int ll
#define rep2(i,a,b) for(int i=a;i<=b;i++)
#define rep(i,a) rep2(i,0,a-1)

main(){
  int n;cin>>n;
  vector<int> v;
  rep(i,n){int x;cin>>x;v.push_back(x);}
  int now=0;
  ll ans=1;
  rep(i,n){
  while(now<n and x[now]>(now-i)*2)now++;
  ans=(ans*(now+1-i))%1000000007ll;
    }
  cout<<ans;
}

Compiler output:
a.cc:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:16:19: error: 'x' was not declared in this scope
   16 |   while(now<n and x[now]>(now-i)*2)now++;
      |                   ^
Language: C++

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<pii,int> ppii;
typedef pair<int,pii> pipi;
typedef pair<ll,ll> pll;
typedef pair<ll,pll> plpl;
typedef tuple<ll,ll,ll> tl;
ll mod=1000000007;
ll mod2=998244353;
ll inf=1000000000000000000;
#define rep(i,m,n) for(int i=m;i<n;i++)
#define rrep(i,n,m) for(int i=n;i>=m;i--)
ll lmax(ll a,ll b){
    if(a<b)return b;
    else return a;
}
ll lmin(ll a,ll b){
    if(a<b)return a;
    else return b;
}
ll n;
vector<ll> v;
ll f(ll k){
    ll ki=v[k-1];
    ll now=ki+1;
    ll ret=n;
    rep(i,k,n+1){
        if(v[i]>=now){
            now+=2;
        }
        else{
            ret=i;
            break;
        }
    }
    return ret;
}
int main(){
    cin>>n;
    v.clear();
    v.push_back(0);
    rep(i,0,n){
      ll u;cin>>u;
      v.push_back(u);
    }
    ll now=1;
    ll ans=1;
    ll cnt=0;
    for(;;){
        ll g=f(v,now);
        if(g==n){
            if(n==cnt)break;
            rrep(i,n-cnt,1){
                ans*=i;
                ans%=mod;
            }
            break;
        }
        ans*=(g-cnt+mod)%mod;
        cnt++;
        now=g+1;
        ans%=mod;
    }
    cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:16: error: cannot convert 'std::vector<long long int>' to 'll' {aka 'long long int'}
   53 |         ll g=f(v,now);
      |                ^
      |                |
      |                std::vector<long long int>
a.cc:26:9: note:   initializing argument 1 of 'll f(ll)'
   26 | ll f(ll k){
      |      ~~~^
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main(){
	int N,a,b;
	string str;
	cin>>str>>N;
	for (int i=0;i<N;i++){
		string stre(joi);
		cin>>a>>b;
		for (int j=a-1;j<b;j++) stre+=str[j];
		int key=0;
		int jk=0;
		int si=b-a+1;
		while(si!=0){
			jk=0;
			for (key=0;key<si;key++){
				if (stre[key]==stre[key+1]&&stre[key]!='z'){
					stre[key]+=1;
					for (int i=key+1;i<stre.size();i++) stre[i]=stre[i+1];
					si-=1;
					jk=1;
					break;
				}
				else if (stre[key]==stre[key+1]&&stre[key]=='z'){
					for (int i=key;i<si;i++) stre[i]=stre[i+2];
					si-=2;
					jk=1;
					break;
				}
			}
			if (jk==0) break;
		}
		if (jk!=0) cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}
	return 0;
}
			
		


Compiler output:
a.cc: In function 'int main()':
a.cc:9:29: error: 'joi' was not declared in this scope
    9 |                 string stre(joi);
      |                             ^~~
Language: C++

#include<stdio.h>

long long N,r[100006];
long long sum=1;

int main(){
	scanf("%lld",&N);
	for(int i=0;i<N;i++){
		scanf("%lld",&r[i])
	}
	
	int j=0;
	for(int i=0;i<N;i++){
		for(j;j<N&&2*(j-i)+1<r[j];j++);
		sum*=j;
		sum%=1000000007;
	}
	printf("%lld",sum);
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:36: error: expected ';' before '}' token
    9 |                 scanf("%lld",&r[i])
      |                                    ^
      |                                    ;
   10 |         }
      |         ~
Language: C++

#include<stdio.h>

long long N,r[100006];
long long sum=1;

int main(){
	scanf("%d",&N);
	for(int i=0;i<N;i++){
		scanf("%d",&r[i])
	}
	
	int j=0;
	for(int i=0;i<N;i++){
		for(j;j<N&&2*(j-i)+1<r[j];j++);
		sum*=j;
		sum%=1000000007;
	}
	printf("%d",sum);
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:34: error: expected ';' before '}' token
    9 |                 scanf("%d",&r[i])
      |                                  ^
      |                                  ;
   10 |         }
      |         ~
Language: C

#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#include<cmath>
#include<vector>
#include<set>
#include<string>
#include<sstream>
#include<cctype>
#include<map>
#include<stack>
#include<queue>
#include<cstdlib>
#include<ctime>
using namespace std;
#define INF 0x3f3f3f3f
typedef long long ll;
int gcd(int a, int b){return b==0?a:gcd(b,a%b);}

const int MOD = 1e9 + 7;

int main()
{
//    freopen("input1.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
    int n, x, k = 0;
    ll ans = 1;
    scanf("%d", &n);
    while(n--)
    {
        scanf("%d", &x);
        k++;
        if(x < 2 * k - 1)
        {
            ans = ans * k % MOD;
            k--;
        }
    }
    for(int i = 2; i <= k; i++)
        ans = ans * i % MOD;
    printf("%d\n", (int)ans);
    return 0;
}

Compiler output:
main.c:1:9: fatal error: cstdio: No such file or directory
    1 | #include<cstdio>
      |         ^~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int mod = 1000000007;
int n, a[100005];
int main() {
	scanf("%d", &n);
	for( int i = 0; i < n; i++ ) scanf("%d", &a[i]);
	int ans = 1, t = 0;
	for( int i = 0; i < n; i++ ){
		while( t<n && a[t] > (t-i)*2 ) t++;
		if( t<n && a[t]==(t-i)*2 ) t++;
		ans = 1LL*ans*(t-i)%mod;
	}
	printf("%d\n", ans);
	ansurn 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'ansurn' was not declared in this scope
   15 |         ansurn 0;
      |         ^~~~~~
Language: C++

#include <cstdlib>
#include <iostream>
int main(void) {
	int n;
	while (std::cin >> n) {
		const int mod = 1000000007;
		int stack = 0, *arr;
		long long ans = 1;
		arr = new int[n];
		for (int i = 0; i < n; ++i) {
			std::cin >> arr[i];
		}
		for (int i = 0; i < n; ++i) {
			if (arr[i] < 2 * ++stack - 1) {
				ans *= stack--;
				ans %= mod;
	   		}
		}
		for (int i = 0; i < value; ++i) {
			ans *= i + 1;
			ans %= mod;
		}
		std::cout << ans << std::endl;
		delete[] arr;
	}
	return EXIT_SUCCESS;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:37: error: 'value' was not declared in this scope
   19 |                 for (int i = 0; i < value; ++i) {
      |                                     ^~~~~
Language: C++

#include <cstdlib>
#include <iostream>
int main(void) {
    const long long mod = 1000000007;
    int n;
	while (std::cin >> n) {
		long long ans = 1, stack = 0, *arr, *cnt;
		int fail = 0;
		arr = new long long[n];
		cnt = new long long[n];
		for (int i = 0; i < n; ++i) {
			std::cin >> arr[i];
			++cnt[(fail + 1) / 2];
			if(i == 0) {
				arr[0] = 1;
			}
			else{
				if(arr[i] >= arr[i - 1] + 2) {
					arr[i] = arr[i - 1] + 2;
				}
				if(arr[i - 1] + 1 == arr[i]) {
					++fail;
				}
			}
		}
		for (int i = 0; i < n; ++i) {
			stack += cnt[i];
			(anst *= stack) %= mod;
			--stack;
    	}
		std::cout << ans << std::endl;
		delete[] arr;
		delete[] cnt;
	}
	return EXIT_SUCCESS;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:26: error: 'anst' was not declared in this scope; did you mean 'ans'?
   28 |                         (anst *= stack) %= mod;
      |                          ^~~~
      |                          ans
Language: C++

#include <cstdlib>
#include <iostream>
int main(void) {
    const long long mod = 1000000007;
    int n;
	while (std::cin >> n) {
		long long ans = 1, stack = 0, *arr, *cnt;
		int fail = 0;
		arr = new long long[n];
		cnt = new long long[n];
		for (int i = 0; i < n; ++i) {
			std::cin >> arr[i];
			++cnt[(fail + 1) / 2];
			if(i == 0) {
				arr[0] = 1;
			}
			else{
				if(arr[i] >= arr[i - 1] + 2) {
					arr[i] = arr[i - 1] + 2;
				}
				if(arr[i - 1] + 1 == arr[i]) {
					++fail;
				}
			}
		}
		for (int i = 0; i < n; ++i) {
			stack += cnt[i];
			(ret *= stack) %= mod;
			--stack;
    	}
		std::cout << ans << std::endl;
		delete[] arr;
		delete[] cnt;
	}
	return EXIT_SUCCESS;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:26: error: 'ret' was not declared in this scope
   28 |                         (ret *= stack) %= mod;
      |                          ^~~
Language: C++

#include <cmath>
#include <cstdlib>
#include <iostream>
long long factorial(const long long &value) {
    long long ret = 1;
    for (int i = 0; i < value; ++i) {
        ret *= i + 1;
    }
    return ret;
}
int main(void) {
    const long long mod = pow(10.0, 9.0) + 7;
    int n;
	while (std::cin >> n) {
		long long ans = 1, stack = 0, *arr;
		arr = new int[n];
		for (int i = 0; i < n; ++i) {
			std::cin >> arr[i];
		}
		for (int i = 0; i < n; ++i) {
			int x = arr[i];
			if (x < 2 * ++stack - 1) {
				ans *= stack--;
				ans %= mod;
       		}
    	}
		ans *= factorial(stack) % mod;
		ans %= mod;
		std::cout << ans << std::endl;
		delete[] arr;
	}
	return EXIT_SUCCESS;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:23: error: cannot convert 'int*' to 'long long int*' in assignment
   16 |                 arr = new int[n];
      |                       ^~~~~~~~~~
      |                       |
      |                       int*
Language: C++

#include <cmath>
#include <cstdlib>
#include <iostream>
int factorial(const int &value) {
    int ret = 1;
    for (int i = 0; i < value; ++i) {
        ret *= i + 1;
    }
    return ret;
}
int main(void) {
    const int mod = pow(10.0, 9.0) + 7;
	while (std::cin >> n) {
		int ans = 1, stack = 0, n, *arr;
		arr = new int[n];
		for (int i = 0; i < n; ++i) {
			std::cin >> arr[i];
		}
		for (int i = 0; i < n; ++i) {
			int x = arr[i];
			if (x < 2 * ++stack - 1) {
				ans *= stack--;
				ans %= mod;
       	 }
    	}
		ans *= factorial(stack) % mod;
		ans %= mod;
		std::cout << ans << std::endl;
		delete[] arr;
	}
	return EXIT_SUCCESS;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:28: error: 'n' was not declared in this scope; did you mean 'yn'?
   13 |         while (std::cin >> n) {
      |                            ^
      |                            yn
Language: C++

＃include <cstdio>
using namespace std;
 
const int mod = 1000000007;
 
inline
int modMultiple(int a, int b){return (static_cast<long long>(a) * b) % mod;}
 
int main()
{
    int N;
    scanf("%d\n", &N);
    int result = 1;
    int k = 0;
    for (int i = 0; i < N; ++i){
        int Xi;
        scanf("%d", &Xi); getchar();
        while (Xi < k * 2 + 1){
            result = modMultiple(result, k + 1);
            --k;
        }
        ++k;
    }
    for (; k > 0; --k){
        result = modMultiple(result, k);
    }
    printf("%d\n", result);
}

Compiler output:
a.cc:1:1: error: '\U0000ff03include' does not name a type
    1 | ＃include <cstdio>
      | ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:12:5: error: 'scanf' was not declared in this scope
   12 |     scanf("%d\n", &N);
      |     ^~~~~
a.cc:17:27: error: 'getchar' was not declared in this scope
   17 |         scanf("%d", &Xi); getchar();
      |                           ^~~~~~~
a.cc:1:1: note: 'getchar' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | ＃include <cstdio>
a.cc:27:5: error: 'printf' was not declared in this scope
   27 |     printf("%d\n", result);
      |     ^~~~~~
a.cc:27:5: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

＃include <bits/stdc++.h>
using namespace std;
 
const int mod = 1000000007;
 
inline
int modMultiple(int a, int b){return (static_cast<long long>(a) * b) % mod;}
 
int main()
{
    int N;
    scanf("%d\n", &N);
    int result = 1;
    int k = 0;
    for (int i = 0; i < N; ++i){
        int Xi;
        scanf("%d", &Xi); getchar();
        while (Xi < k * 2 + 1){
            result = modMultiple(result, k + 1);
            --k;
        }
        ++k;
    }
    for (; k > 0; --k){
        result = modMultiple(result, k);
    }
    printf("%d\n", result);
}

Compiler output:
a.cc:1:1: error: '\U0000ff03include' does not name a type
    1 | ＃include <bits/stdc++.h>
      | ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:12:5: error: 'scanf' was not declared in this scope
   12 |     scanf("%d\n", &N);
      |     ^~~~~
a.cc:17:27: error: 'getchar' was not declared in this scope
   17 |         scanf("%d", &Xi); getchar();
      |                           ^~~~~~~
a.cc:1:1: note: 'getchar' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | ＃include <bits/stdc++.h>
a.cc:27:5: error: 'printf' was not declared in this scope
   27 |     printf("%d\n", result);
      |     ^~~~~~
a.cc:27:5: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: Java

//package jp.atcoder.mujin_pc_2017;

import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

class Solver{
    private Scanner stdin;
    private PrintWriter stdout;
    
    public void run(){
        stdin = new Scanner(new BufferedInputStream(System.in));
        stdout = new PrintWriter(new BufferedOutputStream(System.out));
        
        while(stdin.hasNextInt()){
            int n = stdin.nextInt();
            List<Integer> a = new ArrayList<Integer>(n);
            int curr=0;
            for(int i=1; i<=n; i++){
                int pos=stdin.nextInt();
                a.add(n-curr);
                curr=Math.max(curr, i-(pos+1)/2);
            }
            long ans=1L, prev=0L;
            long mod=1000000007;
            for(int i=n-1; i>=0; i--){
                //stdout.printf("a[%d]=%d\n", i, a.get(i));
                ans=ans*(a.get(i)-(n-i-1))%mod;
            }
            stdout.println(ans);
        }
        
        stdin.close();
        stdout.close();
    }
}

public class A {
    public static void main(String[] args)throws Exception{
        Solver solver = new Solver();
        solver.run();
    }
}


Compiler output:
Main.java:39: error: class A is public, should be declared in a file named A.java
public class A {
       ^
1 error
Language: C++

#include <iostream>

#define maxN 100000
#define mod 1000000007
using namespace std;

int x[maxN+10],F[maxN + 10], h[maxN + 10];
long long int result = 1;
main(){
	int N;
	cin >> N;
	for(int i=1;i<=N;i++){
		cin >> x[i];
	}
	F[1] = 1;	
	F[2] = 1;
//	if(x[2] > 2){
//		F[3] = 1;
//	}	else	{
//		F[3] = 2;
//	}
	for(int i=2;i<=N-1;i++){
		if(x[i+1] > 2*(i+1-F[i])){
			F[i+1] = F[i];
		}	else	if((x[i+1] == 2*(i+1-F[i])) && (x[i] == x[i+1]-1)){			
			F[i+1] = F[i];
		}	else	{
			F[i+1] = F[i]+1;
		}
	}	
	
	for(int i=1;i<N;i++){
		if(F[i]<F[i+1]){
			h[F[i]] = i;	
		}
	}	
	h[F[N]] = N;

	for(int i=F[N]+1;i<=N;i++){
		h[i] = h[i-1] ;
	}

	for(int i=1;i<=N;i++){

			result  = result * (h[i] - (i-1)) % mod;
			result %= mod;
	}

	cout << result;		

Compiler output:
a.cc:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:49:24: error: expected '}' at end of input
   49 |         cout << result;
      |                        ^
a.cc:9:7: note: to match this '{'
    9 | main(){
      |       ^
Language: C++

#include <iostream>

#define maxN 100000
#define mod 1000000007
using namespace std;

int x[maxN+10],F[maxN + 10], h[maxN + 10];
long long int result = 1;
main(){
	int N;
	cin >> N;
	for(int i=1;i<=N;i++){
		cin >> x[i];
	}
	F[1] = 1;	
	F[2] = 1;
//	if(x[2] > 2){
//		F[3] = 1;
//	}	else	{
//		F[3] = 2;
//	}
	for(int i=2;i<=N-1;i++){
		if(x[i+1] > 2*(i+1-F[i])){
			F[i+1] = F[i];
		}	else	if((x[i+1] == 2*(i+1-F[i])) && (x[i] == x[i+1]-1)){			
			F[i+1] = F[i];
		}	else	{
			F[i+1] = F[i]+1;
		}
	}	
	// mang F co dang 1 1 .. 2 2 .. 3 3 .....
//	 cout << "mang F : " ;
//	for(int i=1;i<=N;i++){
//		cout<< F[i] << "  " ;
//	}
	for(int i=1;i<N;i++){
		if(F[i]<F[i+1]){
			h[F[i]] = i;	
		}
	}	
	h[F[N]] = N;
//	cout << "mang h:";
//		for(int i=1;i<=N;i++){
//			cout << h[i] << " ";
//		}
	for(int i=F[N]+1;i<=N;i++){
		h[i] = h[i-1] ;
	}
//	cout << "mang h:";
	for(int i=1;i<=N;i++){
//			cout << h[i] << " ";
			result  = result * (h[i] - (i-1)) % mod;
			result %= mod;
	}
//	cout << "\ndap an :  ";
	cout << result;		

Compiler output:
a.cc:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:56:24: error: expected '}' at end of input
   56 |         cout << result;
      |                        ^
a.cc:9:7: note: to match this '{'
    9 | main(){
      |       ^
Language: C++

#include <stdio.h>
#include <iostream>
#include <fstream>
#include <vector>
#include <math.h>
#include <algorithm>
#include <string>
using namespace std;

int main()
{
	int N;
	cin >> N;
	int* x = new int[N];
	for (size_t i = 0; i < N; i++)
		cin >> x[i];

	int* ways = new int[N];
	
	for (size_t j = 0; j < N; j++)
		ways[j] = 0;
		
	ways[0] = 2;

	long long start = 0;
	for (size_t i = 2; i < N; i++)
	{
		int canleft = (x[i - 1] + 1) / 2;
		if (i - left > start)
			start++;
		ways[start]++;
	}

	for (size_t i = 1; i < N; i++)
		ways[i] += ways[i-1];

	long long result = ways[0];
	for (int j = 1; j < N; j++)
		result = (result * (ways[j] - j)) % 1000000007;

	cout << result;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:23: error: invalid operands of types 'size_t' {aka 'long unsigned int'} and 'std::ios_base&(std::ios_base&)' to binary 'operator-'
   29 |                 if (i - left > start)
      |                     ~ ^ ~~~~
      |                     |   |
      |                     |   std::ios_base&(std::ios_base&)
      |                     size_t {aka long unsigned int}
Language: C++

#include<bits/stdc++.h>
using namespace std;
bool b[3][3];

int cnt=0,m=10000,n;

void dfs(){
 bool b1[3][3];
 bool c[3];
 if(cnt>6)return ;
 int f=0;
 for(int i=0;i<n;i++)
  for(int j=0;j<n;j++){
  if(b[i][j]==0)f=1;
  b1[i][j]=b[i][j];
}
 if(f==0){if(m>cnt)m=cnt;}
 else{
 for(int i=0;i<n;i++){
  for(int j=0;j<n;j++)c[j]=b[i][j];
  for(int k=0;k<n;k++){
   for(int l=0;l<n;l++)b[I][k]=c[l];
    cnt++;
    dfs();
    for(int I=0;I<n;I++)
     for(int j=0;j<n;j++)b[I][j]=b1[I][j];
    cnt--;
   }
  }
 }
}

int main(){
 char a;
 cin>>n;
if(n<=3){
 for(int i=0;i<n;i++)
  for(int j=0;j<n;j++){ 
   cin>>a;
   if(a=='#')b[i][j]=1;
  }
 dfs();
if(m==10000)cout<<-1<<endl;
else cout<<m<<endl;
}
return 0;
}

Compiler output:
a.cc: In function 'void dfs()':
a.cc:22:26: error: 'I' was not declared in this scope
   22 |    for(int l=0;l<n;l++)b[I][k]=c[l];
      |                          ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <stack>

#define rep(i,n) for(int i=0; i<n; i++)

using namespace std;


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

	int n;
	cin >> n;
	
	long long int ans=1, n, x;
	stack<long long int> st;
	
	while(n--){
		cin >> x;
		st.push(x);
		if(x >= 2*st.size() - 1){
		}
		else{
			ans *= st.size();
			st.pop();
		}
	}
	
	rep(i,st.size())
		ans *= i+1;
	
	ans %= 1000000007;
	cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:30: error: conflicting declaration 'long long int n'
   19 |         long long int ans=1, n, x;
      |                              ^
a.cc:16:13: note: previous declaration as 'int n'
   16 |         int n;
      |             ^
Language: Java

import java.io.*;
import java.util.*;

public class Main {
	static final int M = 1_000_000_007;
	
	void run() {
		int n = in.nextInt();
		int[] x = new int[n];
		for (int i = 0; i < n; i++) {
			x[i] = in.nextInt();
		}
		long ans = 1;
		int m = 0;
		for (int i = 0; i < n; i++) {
			if (x[i] == 2 * m) {
				ans *= m + 1;
				ans %= M;
			} else {
				m++;
			}
		}
		while (m > 0) {
			ans *= m;
			ans %= M;
			m--;
		}
		out.println(ans);
	}

	static MyScanner in;
	static PrintWriter out;

	public static void main(String[] args) throws IOException {
		boolean stdStreams = true;
		String fileName = A.class.getSimpleName().replaceFirst("_.*", "").toLowerCase();
		String inputFileName = fileName + ".in";
		String outputFileName = fileName + ".out";
		
		Locale.setDefault(Locale.US);
		BufferedReader br;
		if (stdStreams) {
			br = new BufferedReader(new InputStreamReader(System.in));
			out = new PrintWriter(System.out);
		} else {
			br = new BufferedReader(new FileReader(inputFileName));
			out = new PrintWriter(outputFileName);
		}
		in = new MyScanner(br);
		int tests = 1;//in.nextInt();
		for (int test = 0; test < tests; test++) {
			new Main().run();
		}
		br.close();
		out.close();
	}
	
	static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		MyScanner(BufferedReader br) {
			this.br = br;
		}
		
		void findToken() {
			while (st == null || !st.hasMoreTokens()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					throw new RuntimeException(e);
				}
			}
		}
		
		String next() {
			findToken();
			return st.nextToken();
		}
		
		int nextInt() {
			return Integer.parseInt(next());
		}
		
		long nextLong() {
			return Long.parseLong(next());
		}
		
		double nextDouble() {
			return Double.parseDouble(next());
		}
	}
}


Compiler output:
Main.java:36: error: cannot find symbol
		String fileName = A.class.getSimpleName().replaceFirst("_.*", "").toLowerCase();
		                  ^
  symbol:   class A
  location: class Main
1 error
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <functional>
#include <queue>
#include <iomanip>
using namespace std;
typedef long long ll;
#define MOD (int)(1e9+7)
int x[100000];
int n;
ll A[100001];

int main()
{
	A[0] = 1;
	for (int i = 1; i <= 100000; i++)A[i] = i*A[i - 1];
	cin >> n;
	for (int i = 0; i < n; i++)cin >> x[i];

	vector<int>index;
	int j = 0;
	for (int i = 1; i < n-1; i++) {
		if (x[i-1] >= 2 * j + 1)x[i-1] = 2 * j + 1;

		if(x[i]-x[i-1]==1){
			index.push_back(i+1);
			i++;
		}
		j++;
	}
	
	ll ans = 1;
	int cnt = 0;
	for (int i = 0; i < index.size(); i++) {
		ans *= long long(index[i]-cnt);
		ans %= MOD;
		cnt++;
	}
	ans *= A[n - cnt];
	cout << ans%MOD << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:24: error: expected primary-expression before 'long'
   37 |                 ans *= long long(index[i]-cnt);
      |                        ^~~~
Language: C++

#include <iostream>
#include <vector>
#define int long long
using namespace std;

int n;
int x[100000];

signed main() {
	int i, j;
	
	cin >> n;
	for (i = 0; i < n; i++) cin >> x[i];
	for (i = 0; i < n; i++) x[i] -= 2 * i + 1;
	for (i = 0; i < n; i++) x[i] = -x[i];
	
	int yose = 0;
	vector<int> vec;
	
	for (i = 0; i < n; i++) {
		if (yose == 0) vec.push_back(0);
		else vec.push_back(yose + 1);
		yose = max(yose, x[i]);
	}
	sort(vec.begin(), vec.end());
	
	int ans = 1;
	for (i = (int)vec.size() - 1; i >= 0; i--) {
		int cnt = n - (vec[i] + 1);
		cnt -= i - ((int)vec.size() - 1);
		ans *= cnt;
		ans %= 1000000007;
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   25 |         sort(vec.begin(), vec.end());
      |         ^~~~
      |         short
Language: C++

#include <vector>
#include <map>
#include <cstring>
#include <algorithm>
#include <cstdio>

#define FOR(i, a, b) for(int i = (a), _b = (b); i <= _b; i++)

using namespace std;

const long long MOD = 1000000000 + 7;
const int MAXN = 100111;
long long a[MAXN];
int n;

int main() {
  ios::sync_with_stdio(false);
  cin >> n;
  FOR(i, 1, n) cin >> a[i];
  long long cnt = 0;
  long long j = 1;
  long long res = 1;
  FOR(i, 1, n) {
    res = (res * (i-cnt)) % MOD;
    if (a[i] >= j) j += 2;
     else cnt++;
  }
  cout << res << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'ios' has not been declared
   17 |   ios::sync_with_stdio(false);
      |   ^~~
a.cc:18:3: error: 'cin' was not declared in this scope
   18 |   cin >> n;
      |   ^~~
a.cc:6:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    5 | #include <cstdio>
  +++ |+#include <iostream>
    6 | 
a.cc:28:3: error: 'cout' was not declared in this scope
   28 |   cout << res << endl;
      |   ^~~~
a.cc:28:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:28:18: error: 'endl' was not declared in this scope
   28 |   cout << res << endl;
      |                  ^~~~
a.cc:6:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    5 | #include <cstdio>
  +++ |+#include <ostream>
    6 |
Language: C++

#include <bits/stdc++.h>
using namespace std;

using pii = pair<int,int>;
using ll = long long;
#define rep(i, j) for(int i=0; i < (int)(j); i++)
#define repeat(i, j, k) for(int i = (j); i < (int)(k); i++)
#define all(v) v.begin(),v.end()
#define debug(x) cerr << #x << " : " << x << endl

template<class T> bool set_min(T &a, const T &b) { return a > b  ? a = b, true : false; }
template<class T> bool set_max(T &a, const T &b) { return a < b  ? a = b, true : false; }
// vector
template<class T> istream& operator >> (istream &is , vector<T> &v) { for(T &a : v) is >> a; return is; }
template<class T> ostream& operator << (ostream &os , const vector<T> &v) { for(const T &t : v) os << "\t" << t; return os << endl; }
// pair
template<class T, class U> ostream& operator << (ostream &os , const pair<T, U> &v) { return os << "<" << v.first << ", " << v.second << ">"; }

const int INF = 1 << 30;
const ll INFL = 1LL << 60;


class Solver {
  public:
    bool solve() {
        int N; cin >> N;
        vector<int> X(N); cin >> X;
        vector<ll> group;
        ll m = 0;
        int pre = 0;
        int cnt = 0;
        rep(i, N) {
            cnt++;
            int now = X[i];
            m += now - pre;
            if(m + 2 == cnt) {
                group.push_back(cnt);
                cnt = 0;
                m = 0;
            }
        }
        ll ans = 1;
        for(ll a : group) ans = (ans * a) % (1000000000 + 7);
        cout << a << endl;
        return 0;
    }
};

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    Solver s;
    s.solve();
    return 0;
}


Compiler output:
a.cc: In member function 'bool Solver::solve()':
a.cc:44:17: error: 'a' was not declared in this scope
   44 |         cout << a << endl;
      |                 ^
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<vector>
#include<string>
#include<unordered_map>
#include<unordered_set>
#include<map>
#include<set>
#include<functional>
#define P pair<int,int>
using namespace std;

int main() {
	int a; cin >> a;
	if (a <= 8) {
		int S = 0;
		int b[8];
		for (int c = 0; c < a; c++)cin >> b[c];
		int c[8];//ゴールする順番
		for (int i = 0; i < a; i++)c[i] = i;
		bool aru[8];
		do {
			bool OK = true;
			int copy[8];
			for (int i = 0; i < a; i++)copy[i] = b[i];
			memset(aru, true, sizeof(aru));
			for (int i = 0; i < a; i++) {//c[i]体目がゴールする
				vector<P>V;
				for (int j = 0; j < a; j++) {
					if (aru[j] && copy[j] < copy[c[i]]) {
						V.push_back(P(copy[j], j));
					}
				}
				sort(V.begin(), V.end(), greater<P>());
				for (int k = 0; k + 1 < (int)V.size(); k++) {
					if (V[k].first - 1 <= V[k + 1].first) {
						V[k + 1].first = V[k].first - 2;
					}
				}
				for (int k = 0; k < V.size(); k++) {
					copy[V[k].second] = V[k].first;
					if (V[k].first <= 0)OK = false;
				}
				aru[c[i]] = false;
			}
			if (OK) { S++; }
		} while (next_permutation(c, c + a));
		cout << S << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:25: error: 'memset' was not declared in this scope
   27 |                         memset(aru, true, sizeof(aru));
      |                         ^~~~~~
a.cc:11:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
   10 | #include<functional>
  +++ |+#include <cstring>
   11 | #define P pair<int,int>
Language: C++

#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> mat;
#define FOR(i,a,b) for(int i=(a);i<(int)(b);++i)
#define rep(i,n) FOR(i,0,n)
#define mset(a,x) memset(a,x,sizeof(a))
#define OUT(x) cout<<(x)<<"\n"

int n;
ll INF = 1145141919;
ll row[514];
ll ma = -1;

bool naname(mat f) {
    return (f[0][0] == f[1][1] && f[0][1] == f[1][0]);
}

ll calc(mat f) {
    if(ma == 0) return -1;
    int cnt = 0;
    rep(y, n) rep(x, n) {
        cnt += f[y][x] == 1;
    }

    if(n == 1) {
        return (f[0][0] == 0 ? -1 : 0);
    }
    if(n == 2) {
        if(cnt == 4) return 0;
        if(cnt == 3) return 1;
        if(cnt == 1 || naname()) return 3;
        return 2;
    }
    if(n == 3) {
        int all = 0;
        rep(x, n) {
            auto t = f[0][x];
            bool ok = true;
            rep(i, n) if(t != f[i][x]) ok = false;
            all += ok;
        }

        if(ma == 3) {
            return 3 - all;
        }
        else if(ma == 2) {
            return 5;
        }
        else if(ma == 1) {
            return 2 + 3;
        }
    }
}


int main() {
    cin >> n;
    if(n > 3) return 0;

    mat f(n + 1, vi(n + 1, 0));
    mset(row, 0);
    rep(y, n)rep(x, n) {
        char c;
        cin >> c;
        if(c == '#') {
            f[y][x] = 1;
            row[y]++;
            ma = max(ma, row[y]);
        }
    }

    OUT(calc(f));

    return 0;
}

Compiler output:
a.cc: In function 'll calc(mat)':
a.cc:34:30: error: too few arguments to function 'bool naname(mat)'
   34 |         if(cnt == 1 || naname()) return 3;
      |                        ~~~~~~^~
a.cc:17:6: note: declared here
   17 | bool naname(mat f) {
      |      ^~~~~~
a.cc:56:1: warning: control reaches end of non-void function [-Wreturn-type]
   56 | }
      | ^
Language: C++

import copy

def test(x,target):
    r=x[target]
    if target==0 or target==1:
        return True
    last=1
    gap=0
    bar=0
    for i in range(0,target):
        gap=gap+(x[i]-last)
        bar=bar+1
        last=x[i]+1
        if gap<bar-1:
            return False
        #if x[i]+1==x[i+1]:
        #    return False
    return True

def solve(x):
    if len(x)==2:
        return 2

    total=0
    for target in range(0,len(x)):
        if(test(x,target)):
            y=copy.deepcopy(x)
            del y[target]
            total=total+solve(y)
    return total

n=int(raw_input())
c=raw_input().split()
x=[]
for s in c:
    x.append(int(s))

ans=solve(x)

print ans%(1000000007)

Compiler output:
a.cc:16:14: error: token "[" is not valid in preprocessor expressions
   16 |         #if x[i]+1==x[i+1]:
      |              ^
a.cc:16: error: unterminated #if
   16 |         #if x[i]+1==x[i+1]:
a.cc:1:1: error: 'import' does not name a type
    1 | import copy
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include <iostream>
#include <vector>
int main(){
	int n,sum=1,cnt=0,hoge=0,mai=std::pow(10,9)+7;
	std::vector<int> su;
	std::cin>>n;
	for(int i=0;i<n;i++){
	std::cin>>hoge;
	su.push_back(hoge);
	}
	for(int i=0;i<n;i++){
		cnt=1;
		for(int j=1;j<n;j++){		
			if(j-i<=0)
				cnt++;
			else if((su[j]/(j-i))>=2)
				cnt++;
		}
		sum*=(cnt-i);
	}
	std::cout<<sum%mai<<std::endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:43: error: 'pow' is not a member of 'std'
    4 |         int n,sum=1,cnt=0,hoge=0,mai=std::pow(10,9)+7;
      |                                           ^~~
Language: C++

#include <cstdio>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <algorithm>
using namespace std;
int n;
int a[100100];
long long frac[100100];
const int mo = 1e9 + 7;
int main(){
	//	freopen("in.txt","r",stdin);
	scanf("%d",&n);
	for (int i = 1; i <= n; i++)
		scanf("%d",&a[i]);
	frac[0] = 1;
	for (int i = 1;i <= n; i++)
		frac[i] = (frac[i - 1] * i) % mo;
	int last = 0;
	long long ans = 1;h
	long long cnt = n;
	for (int i = 1; i <= n; i++){
		if (a[i] < 2 * (i - last) - 1){
			ans = (ans * (i - last)) % mo;
			last++;
			cnt --;
		}
	}
	if (last != n) ans = (ans * frac[n - last]) % mo;
	cout << last << endl;
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:27: error: 'h' was not declared in this scope
   21 |         long long ans = 1;h
      |                           ^
a.cc:27:25: error: 'cnt' was not declared in this scope; did you mean 'int'?
   27 |                         cnt --;
      |                         ^~~
      |                         int
Language: C++

#include <cstdio>
#include <set>
#include <algorithm>
using namespace std;

const int mod = 1e9+7;
int n, a[100001], b[100001], cnt[100001];
int FF(int start, int num){
    return max(num-(start+1)/2, 0);
}

bool meet(int p1, int p2, int num){
    return (p2-2*(num-1)) <= (p1+1);
}

struct Elem{
    int place, num;
    Elem(int place, int num){
		this->place=place;
		this->num=num;
	}
};

int main(){
    scanf("%d", &n);
    for(int i=1; i<=n; i++)
		scanf("%d", &a[i]);

	vector<Elem> V;
	V.push_back(Elem(a[1], 1));

	for(int i=2; i<=n; i++){
		V.push_back(Elem(a[2], 1));
		while(V.size()>=2){
			unsigned int p=V.size()-2;
			unsigned int q=V.size()-1;

			if(meet(V[p].place, V[q].place, V[q].num)){
				V[p].place=V[q].place;
				V[p].num+=V[q].num;
				V.pop_back();
			}
			else break;
		}

		b[i]=FF(V[0].place, V[0].num);
	}

	cnt[1]++;
	for(int i=2; i<=n; i++)
		cnt[b[i-1]+1]++;

	long long ans = 1;
	int sum=0;
	for(int i=1; i<=n; i++){
		sum+=cnt[i];
		ans=ans*sum%mod;
		sum--;
	}
	printf("%lld", ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:9: error: 'vector' was not declared in this scope
   29 |         vector<Elem> V;
      |         ^~~~~~
a.cc:4:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    3 | #include <algorithm>
  +++ |+#include <vector>
    4 | using namespace std;
a.cc:29:20: error: expected primary-expression before '>' token
   29 |         vector<Elem> V;
      |                    ^
a.cc:29:22: error: 'V' was not declared in this scope
   29 |         vector<Elem> V;
      |                      ^
Language: C++

int main(){
cout << -1 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:1: error: 'cout' was not declared in this scope
    2 | cout << -1 << endl;
      | ^~~~
a.cc:2:15: error: 'endl' was not declared in this scope
    2 | cout << -1 << endl;
      |               ^~~~