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

#include <cstdio>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <map>
#define N 500005
#define fi(a, b, c) for(int a = (b); a < (c); a++)
#define FI(a, b, c) for(int a = (b); a <= (c); a++)
using namespace std;
 
int n, last, ans, dp[N][4];
char s[N];
vector<int> v;
 
void calc(){
	int n = v.size();
	fi(i, 0, n){
		dp[i][0] = dp[i][1] = dp[i][2] = dp[i][3] = -1e9;
	}
	if(v[1] == 1){
		dp[1][3] = dp[1][1] = 0;
		dp[1][2] = -1e9;
		dp[1][0] = v[0];
	}else{
		dp[1][3] = 0;
		dp[1][2] = v[0];
		dp[1][1] = v[1] - 1;
		dp[1][0] = v[1];
	}
	fi(i, 2, n){
		// rtl
		if(v[i] > 1) {
			dp[i][2] = max(dp[i][2], dp[i - 1][3] + v[i - 1]);
			dp[i][2] = max(dp[i][2], dp[i - 1][2] + v[i - 1] - 1);
			dp[i][2] = max(dp[i][2], dp[i - 1][1] + 1);
		}else{
			dp[i][0] = max(dp[i][0], dp[i - 1][3] + v[i - 1]);
			dp[i][0] = max(dp[i][0], dp[i - 1][2] + v[i - 1] - 1);
			dp[i][0] = max(dp[i][0], dp[i - 1][1] + 1);
		}
		
		// ltr
		dp[i][0] = max(dp[i][0], max(dp[i - 1][3], max(dp[i - 1][1], dp[i - 1][2])) + v[i]);
		
		dp[i][3] = max(max(dp[i - 1][0], dp[i - 1][1]), max(dp[i - 1][2], dp[i - 1][3]));
		if(v[i] > 1){
			dp[i][1] = dp[i][0] - 1;
		}
		else{
			dp[i][1] = dp[i][3];
		}	
	}
	delta = -1e9;
	fi(i, 0, 4) delta = max(delta, dp[n - 1][i]);
	ans += delta;
}
 
int main(){
	scanf("%d %s", &n, s);
	
	fi(i, 0, n){
		if(s[i] == '0'){
			if(i && s[i - 1] == '0'){
				if(v.size() > 1) calc();
				v.clear();
			}else{
				if(last) v.push_back(last);
				last = 0;
			}
		}else{
			last++;
		}
	}
	
	if(last) v.push_back(last);
	if(v.size() > 1) calc();
	
	printf("%d\n", ans);
}

Compiler output:
a.cc: In function 'void calc()':
a.cc:54:9: error: 'delta' was not declared in this scope
   54 |         delta = -1e9;
      |         ^~~~~
Language: C++

#include <cstdio>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <map>
#define N 500005
#define fi(a, b, c) for(int a = (b); a < (c); a++)
#define FI(a, b, c) for(int a = (b); a <= (c); a++)
using namespace std;
 
int n, last, ans, dp[N][4];
char s[N];
vector<int> v;
 
void calc(){
	int n = v.size();
	fi(i, 0, n){
		dp[i][0] = dp[i][1] = dp[i][2] = dp[i][3] = -1e9;
	}
	if(v[1] == 1){
		dp[1][3] = dp[1][1] = 0;
		dp[1][2] = -1e9;
		dp[1][0] = v[0];
	}else{
		dp[1][3] = 0;
		dp[1][2] = v[0];
		dp[1][1] = v[1] - 1;
		dp[1][0] = v[1];
	}
	fi(i, 2, n){
		// rtl
		if(v[i] > 1) {
			dp[i][2] = max(dp[i][2], dp[i - 1][3] + v[i - 1]);
			dp[i][2] = max(dp[i][2], dp[i - 1][2] + v[i - 1] - 1);
			dp[i][2] = max(dp[i][2], dp[i - 1][1] + 1);
		}else{
			dp[i][0] = max(dp[i][0], dp[i - 1][3] + v[i - 1]);
			dp[i][0] = max(dp[i][0], dp[i - 1][2] + v[i - 1] - 1);
			dp[i][0] = max(dp[i][0], dp[i - 1][1] + 1);
		}
		
		// ltr
		dp[i][0] = max(dp[i][0], max(dp[i - 1][3], max(dp[i - 1][1], dp[i - 1][2])) + v[i]);
		
		dp[i][3] = max(max(dp[i - 1][0], dp[i - 1][1]), max(dp[i - 1][2], dp[i - 1][3]));
		if(v[i] > 1){
			dp[i][1] = dp[i][0] - 1;
		}
		else{
			dp[i][1] = dp[i][3];
		}
	}
	ans += delta;
}
 
int main(){
	scanf("%d %s", &n, s);
	
	fi(i, 0, n){
		if(s[i] == '0'){
			if(i && s[i - 1] == '0'){
				if(v.size() > 1) calc();
				v.clear();
			}else{
				if(last) v.push_back(last);
				last = 0;
			}
		}else{
			last++;
		}
	}
	
	if(last) v.push_back(last);
	if(v.size() > 1) calc();
	
	printf("%d\n", ans);
}

Compiler output:
a.cc: In function 'void calc()':
a.cc:54:16: error: 'delta' was not declared in this scope
   54 |         ans += delta;
      |                ^~~~~
Language: C++

#include <cstdio>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <map>
#define N 500005
#define fi(a, b, c) for(int a = (b); a < (c); a++)
#define FI(a, b, c) for(int a = (b); a <= (c); a++)
using namespace std;
 
int n, last, ans, dp[N][4];
char s[N];
vector<int> v;
 
void calc(){
	int n = v.size();
	fi(i, 0, n){
		dp[i][0] = dp[i][1] = dp[i][2] = dp[i][3] = -1e9;
	}
	if(v[1] == 1){
		dp[1][3] = dp[1][1] = 0;
		dp[1][2] = -1e9;
		dp[1][0] = v[0];
	}else{
		dp[1][3] = 0;
		dp[1][2] = v[0];
		dp[1][1] = v[1] - 1;
		dp[1][0] = v[1];
	}
	fi(i, 2, n){
		// rtl
		if(v[i] > 1) {
			dp[i][2] = max(dp[i][2], dp[i - 1][3] + v[i - 1]);
			dp[i][2] = max(dp[i][2], dp[i - 1][2] + v[i - 1] - 1);
			dp[i][2] = max(dp[i][2], dp[i - 1][1] + 1);
		}else{
			dp[i][0] = max(dp[i][0], dp[i - 1][3] + v[i - 1]);
			dp[i][0] = max(dp[i][0], dp[i - 1][2] + v[i - 1] - 1);
			dp[i][0] = max(dp[i][0], dp[i - 1][1] + 1);
		}
		
		// ltr
		dp[i][0] = max(dp[i][0], max(dp[i - 1][3], max(dp[i - 1][1], dp[i - 1][2])) + v[i]);
		dp[i][1] = dp[i][0] - 1;
		
		dp[i][3] = max(max(dp[i - 1][0], dp[i - 1][1]), max(dp[i - 1][2], dp[i - 1][3]));
	}
	
	int delta = max(max(dp[n - 1][2], dp[n - 1][3]), max(dp[n - 1][0], dp[n - 1][1]));
	assert(delta >= 0);
	ans += delta;
}
 
int main(){
	scanf("%d %s", &n, s);
	
	fi(i, 0, n){
		if(s[i] == '0'){
			if(i && s[i - 1] == '0'){
				if(v.size() > 1) calc();
				v.clear();
			}else{
				if(last) v.push_back(last);
				last = 0;
			}
		}else{
			last++;
		}
	}
	
	if(last) v.push_back(last);
	if(v.size() > 1) calc();
	
	printf("%d\n", ans);
}

Compiler output:
a.cc: In function 'void calc()':
a.cc:51:9: error: 'assert' was not declared in this scope
   51 |         assert(delta >= 0);
      |         ^~~~~~
a.cc:7:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    6 | #include <map>
  +++ |+#include <cassert>
    7 | #define N 500005
Language: C++

#include<iostream>
#include<cstdio>
#include<vector>
#include<string>
#include<functional>
#include<queue>
#include<cmath>
#include<algorithm>
#include<bitset>
#include<utility>
#include<complex>
#include<cstdlib>
#include<set>
#include<cctype>

#define DBG cerr << '!' << endl;
#define REP(i,n) for(int i = (0);i < (n);++i)
#define rep(i,s,g) for(int i = (s);i < (g);++i)
#define PB push_back
#define MP make_pair
#define FI first
#define SE second
#define SHOW1d(v,n) {for(int i = 0;i < (n);i++)cerr << v[i] << ' ';cerr << endl << endl;}
#define SHOW2d(v,i,j) {for(int a = 0;a < i;a++){for(int b = 0;b < j;b++)cerr << v[a][b] << ' ';cerr << endl;}cerr << endl;}
#define ALL(v) v.begin(),v.end()

using namespace std;

typedef long long ll;
typedef vector<int> iv;
typedef vector<iv> iiv;
typedef vector<string> sv;

int main()
{
	int n;
	cin >> n;
	string str;
	int ans = 0;
	cin >> str;
	
	
	while(find(i,"101") != nops)
	{
		ans++;
		i+=3;
		while(str[i] == '1')ans++;
	}
	
	cout << ans << endl;
	
	return 0;
}#include<iostream>
#include<cstdio>
#include<vector>
#include<string>
#include<functional>
#include<queue>
#include<cmath>
#include<algorithm>
#include<bitset>
#include<utility>
#include<complex>
#include<cstdlib>
#include<set>
#include<cctype>

#define DBG cerr << '!' << endl;
#define REP(i,n) for(int i = (0);i < (n);++i)
#define rep(i,s,g) for(int i = (s);i < (g);++i)
#define PB push_back
#define MP make_pair
#define FI first
#define SE second
#define SHOW1d(v,n) {for(int i = 0;i < (n);i++)cerr << v[i] << ' ';cerr << endl << endl;}
#define SHOW2d(v,i,j) {for(int a = 0;a < i;a++){for(int b = 0;b < j;b++)cerr << v[a][b] << ' ';cerr << endl;}cerr << endl;}
#define ALL(v) v.begin(),v.end()

using namespace std;

typedef long long ll;
typedef vector<int> iv;
typedef vector<iv> iiv;
typedef vector<string> sv;

int main()
{
	int n;
	cin >> n;
	string str;
	int ans = 0;
	cin >> str;
	
	
	while(find(i,"101") != nops)
	{
		ans++;
		i+=3;
		while(str[i] == '1')ans++;
	}
	
	cout << ans << endl;
	
	return 0;
}

Compiler output:
a.cc:53:2: error: stray '#' in program
   53 | }#include<iostream>
      |  ^
a.cc: In function 'int main()':
a.cc:43:20: error: 'i' was not declared in this scope
   43 |         while(find(i,"101") != nops)
      |                    ^
a.cc:43:32: error: 'nops' was not declared in this scope
   43 |         while(find(i,"101") != nops)
      |                                ^~~~
a.cc: At global scope:
a.cc:53:3: error: 'include' does not name a type
   53 | }#include<iostream>
      |   ^~~~~~~
a.cc:86:5: error: redefinition of 'int main()'
   86 | int main()
      |     ^~~~
a.cc:34:5: note: 'int main()' previously defined here
   34 | int main()
      |     ^~~~
a.cc: In function 'int main()':
a.cc:95:20: error: 'i' was not declared in this scope
   95 |         while(find(i,"101") != nops)
      |                    ^
a.cc:95:32: error: 'nops' was not declared in this scope
   95 |         while(find(i,"101") != nops)
      |                                ^~~~
Language: C++

#include <vector>
#include <algorithm>
#include <iostream>
#include <cassert>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <map>
#include <set>
#include <string>
#include <cassert>

#define INFLL 2000000000000000000
#define INF 2000000000
#define MOD 1000000007
#define PI acos(-1.0)

typedef std::pair <int, int> pii;
typedef long long ll;
typedef std::vector <ll> vll;

using namespace std;

vector <int> vec;
int solve(int start) {
	if (start > vec.size() - 1)
		return 0;
	if (start == vec.size() - 1)
		return 0;
	int ans = 0;
	int sum = 0;
	for (int i = start; i < vec.size(); i++) sum += vec[i];
	return max(sum - vec[start] - (vec.size() - start - 2), sum - vec[vec.size() - 1] - (vec.size() - start - 2));
}

int main() {
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	int len;
	scanf("%d\n", &len);
	int ans = 0;
	char buff[500009];
	gets(buff);
	int last = 0;
	int cnt = 0;
	for (int i = 0; i < len; i++) {
		if (buff[i] == '0' && (buff[i + 1] == '0' || i + 1 == len)) {
			if (cnt > 0) {
				vec.push_back(cnt);
			}	
			ans += solve(last);
			last = vec.size() + 1;
			cnt = 0;
		}
		else if (buff[i] == '0') {
			vec.push_back(cnt);
			cnt = 0;
		}	
		else {
			cnt++;
			if (i == len - 1) {
				vec.push_back(cnt);
				solve(last);	
			}
		}
	}
	if (ans > 0) ans++;
	printf("%d\n", ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   45 |         gets(buff);
      |         ^~~~
      |         getw
Language: C++

#include<iostream>
#include<cstdio>
#include<vector>
#include<string>
#include<functional>
#include<queue>
#include<cmath>
#include<algorithm>
#include<bitset>
#include<utility>
#include<complex>
#include<cstdlib>
#include<set>
#include<cctype>

#define DBG cerr << '!' << endl;
#define REP(i,n) for(int i = (0);i < (n);++i)
#define rep(i,s,g) for(int i = (s);i < (g);++i)
#define PB push_back
#define MP make_pair
#define FI first
#define SE second
#define SHOW1d(v,n) {for(int i = 0;i < (n);i++)cerr << v[i] << ' ';cerr << endl << endl;}
#define SHOW2d(v,i,j) {for(int a = 0;a < i;a++){for(int b = 0;b < j;b++)cerr << v[a][b] << ' ';cerr << endl;}cerr << endl;}
#define ALL(v) v.begin(),v.end()

using namespace std;

typedef long long ll;
typedef vector<int> iv;
typedef vector<iv> iiv;
typedef vector<string> sv;

int main()
{
	int n;
	cin >> n;
	string str;
	int ans = 0;
	cin >> str;
	
	
	while(find(i,"101") != nops)
	{
		ans++;
		i+=3;
		while(str[i] == '1')ans++;
	}
	
	cout << ans << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:20: error: 'i' was not declared in this scope
   43 |         while(find(i,"101") != nops)
      |                    ^
a.cc:43:32: error: 'nops' was not declared in this scope
   43 |         while(find(i,"101") != nops)
      |                                ^~~~
Language: C++

#include "stdafx.h"
#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <cassert>
using namespace std;

int n;
string s;
int r[500001], score[500001];	//r), score

signed main()
{
	int i;

	cin >> n;
	cin >> s;

	for (i = 0; i < n; i++) {
		if (s[i] == '1') continue;

		int L, R;
		for (L = i - 1; L >= 0 && s[L] == '1'; L--);
		for (R = i + 1; R < n && s[R] == '1'; R++);
		L++;
		R--;
		if (L <= i - 1 && R >= i + 1) {
			r[L] = R + 1;
			score[L] = max(i - L, R - i);
		}
	}

	//動的計画法
	static int dp[500001] = { 0 };
	for (i = 0; i < n; i++) {
		//取らない
		dp[i + 1] = max(dp[i + 1], dp[i]);
		//取る
		if (s[i] > 0) {
			dp[r[i]] = max(dp[r[i] + 1], dp[i] + score[i]);
		}
	}
	cout << dp[n] << endl;
	return 0;
}

Compiler output:
a.cc:1:10: fatal error: stdafx.h: No such file or directory
    1 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: Java

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

public class Main {
    public static String[] part1(String cell){
    	return cell.split("00");
    }
    public static int[] part2(String cell){
    	String[] arrayOf1 = cell.sprit("0");
    	int[] array = new int[arrayOf1.length];
    	for(int i=0;i<arrayOf1.length;i++) array[i]=arrayOf1[i].length();
    	return array;
    }
    
    public static int operate(int[] cell){
    	if(cell.length<=1) return 0;
    	int[] next = new int[cell.length-1];
    	if(cell[0]>cell[cell.length-1]){
    		for(int i=0;i<next.length;i++) next[i]=cell[i+1];
    		next[0]--;
    		return operate(next)+cell[0];
    	}
    	else{
    		for(int i=0;i<next.length;i++) next[i]=cell[i];
    		next[next.length-1]--;
    		return operate(next)+cell[cell.length-1];
    	}
    }
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.nextLine();
        String cell = sc.nextLine();
        String[] part = part1(cell);
        int ans = 0;
        for(int i=0;i<part.length;i++){
        	ans += operate(part2(part[i]));
        }
        System.out.println(ans);
    }
}

Compiler output:
Main.java:9: error: cannot find symbol
    	String[] arrayOf1 = cell.sprit("0");
    	                        ^
  symbol:   method sprit(String)
  location: variable cell of type String
1 error
Language: C++

#include<iostream>
#include<cstdio>
#include<vector>
#include<string>
#include<functional>
#include<queue>
#include<cmath>
#include<algorithm>
#include<bitset>
#include<utility>
#include<complex>
#include<cstdlib>
#include<set>
#include<cctype>

#define DBG cerr << '!' << endl;
#define REP(i,n) for(int i = (0);i < (n);++i)
#define rep(i,s,g) for(int i = (s);i < (g);++i)
#define PB push_back
#define MP make_pair
#define FI first
#define SE second
#define SHOW1d(v,n) {for(int i = 0;i < (n);i++)cerr << v[i] << ' ';cerr << endl << endl;}
#define SHOW2d(v,i,j) {for(int a = 0;a < i;a++){for(int b = 0;b < j;b++)cerr << v[a][b] << ' ';cerr << endl;}cerr << endl;}
#define ALL(v) v.begin(),v.end()

using namespace std;

typedef long long ll;
typedef vector<int> iv;
typedef vector<iv> iiv;
typedef vector<string> sv;

int main()
{
	int n;
	cin >> n;
	string str;
	int ans = 0;
	cin >> str;
	
	
	while(find(i,"101") != nops)
	{
		ans++;
		i+=3;
		while(srr[i] == '1')ans++;
	}
	
	cout << ans << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:20: error: 'i' was not declared in this scope
   43 |         while(find(i,"101") != nops)
      |                    ^
a.cc:43:32: error: 'nops' was not declared in this scope
   43 |         while(find(i,"101") != nops)
      |                                ^~~~
a.cc:47:23: error: 'srr' was not declared in this scope; did you mean 'str'?
   47 |                 while(srr[i] == '1')ans++;
      |                       ^~~
      |                       str
Language: C++

#include <cstdio>
#include <iostream>
#include <cmath>
#include <cstring>
#include <sstream>
#include <algorithm>
#include <cstdlib>
#include <map>
#include <queue>
#include <utility>
#include <vector>
#include <set>
#include <memory.h>
#include <iomanip>
#include <bitset>
#include <list>
#include <stack>
#include <deque>

using namespace std;

#define mod 1000000007
#define pi atan(1) * 4

int main()
{
	int n;
	cin >> n;
	string s;
	cin >> s;
	int ans = 0;
		vector<bool> isused(500001, false);
		priority_queue<pair<int, pair<int, pair<int, int> > > > qu;
		for(int i = 1; i < s.length() - 1; i++){
			if(s[i] == '1' || s[i - 1] == '0' || s[i + 1] == '0') continue;
			int l = 1, r = 1;
			while(i - l > 0 && s[i - l - 1] == '1') l++;
			while(i + r < s.length() - 1 && s[i + r + 1] == '1') r++;
			// cout << i << " " << l << " " << r << endl;
			qu.push(make_pair(max(l, r), make_pair(i, make_pair(l, r))));
		}
		int result = 0;
		while(!qu.empty()){
			int cnt = (qu.top()).first;
			int i = ((qu.top()).second).first;
			pair<int, int> lr = ((qu.top()).second).second;
			int l = lr.first;
			int r = lr.second;
			qu.pop();
			if(isused[i + 1] || isused[i - 1]) continue;
			// cout << i << endl;
			isused[i + 1] = isused[i - 1] = true;
			if(cnt == l){
				isused[i - l] = true;
			} else {
				isused[i + r] = true;.
			}
			result += cnt;
		}
		ans += result;
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:54: error: expected primary-expression before '.' token
   56 |                                 isused[i + r] = true;.
      |                                                      ^
a.cc:57:25: error: expected unqualified-id before '}' token
   57 |                         }
      |                         ^
Language: C++

include <bits/stdc++.h>
using namespace std;
long long ans = 0;
string s;
void solve(int l,int r){
	if(l == r)return;
	solve(l,(l + r)/2);
	solve((l + r)/2 + 1,r);
	for(l++;l < r;l++)if(s[l] == '0' && s[l - 1] == '1' && s[l + 1] == '1')ans++,s[l] = '1',s[l + 1] = s[l - 1] = '0';
}
int main(){
	//freopen("readin.txt","r",stdin);
	int n;
	scanf("%d",&n);
	char c[500001];
	scanf("%s",c);
	s = c;
	for(int i = 0;i < 100;i++)solve(0,s.size() - 1);
	cout << ans << endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc:4:1: error: 'string' does not name a type
    4 | string s;
      | ^~~~~~
a.cc: In function 'void solve(int, int)':
a.cc:9:30: error: 's' was not declared in this scope
    9 |         for(l++;l < r;l++)if(s[l] == '0' && s[l - 1] == '1' && s[l + 1] == '1')ans++,s[l] = '1',s[l + 1] = s[l - 1] = '0';
      |                              ^
a.cc: In function 'int main()':
a.cc:14:9: error: 'scanf' was not declared in this scope
   14 |         scanf("%d",&n);
      |         ^~~~~
a.cc:17:9: error: 's' was not declared in this scope
   17 |         s = c;
      |         ^
a.cc:19:9: error: 'cout' was not declared in this scope
   19 |         cout << ans << endl;
      |         ^~~~
a.cc:19:24: error: 'endl' was not declared in this scope
   19 |         cout << ans << endl;
      |                        ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long ans = 0;
string s;
void solve(int l,int r){
	if(l == r)return;
	solve(l,(l + r)/2);
	solve((l + r)/2 + 1,r);
	for(l++;l < r;l++)if(s[l] == '0' && s[l - 1] == '1' && s[l + 1] == '1')ans++,s[l] = '1',s[l + 1] = s[l - 1] = '0';
}
int main(){
	//freopen("readin.txt","r",stdin);
	int n;
	scanf("%d",&n);
	char c[500001];
	scanf("%s",c);
	s = c;
	for(int I = 0;i < 100;i++)solve(0,s.size() - 1);
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:23: error: 'i' was not declared in this scope
   18 |         for(int I = 0;i < 100;i++)solve(0,s.size() - 1);
      |                       ^
Language: C++

#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<iostream>
#define maxn 600000
using namespace std;

int n;
char s[maxn];
int DP[maxn][3],inf=0x3f3f3f3f;
int sl[maxn],sl[maxn];

int main()
{
	scanf("%d",&n);
	scanf("%s",s+1);
	
	DP[1][1]=DP[2][1]=-inf; DP[1][0]=DP[2][0]=0; int one=0,cnt=0;
	
	for(int i=1;i<=n;i++){
		if (s[i]=='1') one++;
		else cnt++,sl[i]=one,one=0;
	}
	one=0;
	for (int i=n,tot=cnt;i>=1;i--){
		if (s[i]=='1') one++;
		else sl[i]=one,one=0,tot--;
	}
	DP[0][0]=0;DP[0][1]=DP[0][2]=-inf;
	int last=0,ans=0;
	for(int i=1;i<=n;i++) if(s[i]=='0'){
		DP[i][0]=max(DP[last][0],max(DP[last][1],DP[last][2]));
		DP[i][1]=sl[i] && sl[i]?max(DP[last][0]+sl[i],sl[i]>=1?DP[last][1]+sl[i]-1:-inf):-inf;
		DP[i][2]=sl[i] && sl[i]?
		max(max(DP[last][0]+sl[i],sl[i]>=2?DP[last][1]+sl[i]:0),sl[i]>=1?DP[last][2]+sl[i]-1:-inf):-inf;
		ans=max(ans,max(DP[i][0],max(DP[i][1],DP[i][2])));
		last=i;
//		cout<<DP[i][0]<<' '<<DP[i][1]<<' '<<DP[i][2]<<endl;
	}
	printf("%d\n",ans);
	return 0;
}

Compiler output:
a.cc:12:14: error: redefinition of 'int sl [600000]'
   12 | int sl[maxn],sl[maxn];
      |              ^~
a.cc:12:5: note: 'int sl [600000]' previously declared here
   12 | int sl[maxn],sl[maxn];
      |     ^~
Language: C++

#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<iostream>
#define maxn 1000000
using namespace std;

int n;
char s[maxn];
int DP[maxn][3],inf=0x3f3f3f3f;
int sl[maxn],sl[maxn];

int main()
{
	scanf("%d",&n);
	scanf("%s",s+1);
	
	DP[1][1]=DP[2][1]=-inf; DP[1][0]=DP[2][0]=0; int one=0,cnt=0;
	
	for(int i=1;i<=n;i++){
		if (s[i]=='1') one++;
		else cnt++,sl[i]=one,one=0;
	}
	one=0;
	for (int i=n,tot=cnt;i>=1;i--){
		if (s[i]=='1') one++;
		else sl[i]=one,one=0,tot--;
	}
	DP[0][0]=0;DP[0][1]=DP[0][2]=-inf;
	int last=0,ans=0;
	for(int i=1;i<=n;i++) if(s[i]=='0'){
		DP[i][0]=max(DP[last][0],max(DP[last][1],DP[last][2]));
		DP[i][1]=sl[i] && sl[i]?max(DP[last][0]+sl[i],sl[i]>=1?DP[last][1]+sl[i]-1:-inf):-inf;
		DP[i][2]=sl[i] && sl[i]?
		max(max(DP[last][0]+sl[i],sl[i]>=2?DP[last][1]+sl[i]:0),sl[i]>=1?DP[last][2]+sl[i]-1:-inf):-inf;
		ans=max(ans,max(DP[i][0],max(DP[i][1],DP[i][2])));
		last=i;
//		cout<<DP[i][0]<<' '<<DP[i][1]<<' '<<DP[i][2]<<endl;
	}
	printf("%d\n",ans);
	return 0;
}

Compiler output:
a.cc:12:14: error: redefinition of 'int sl [1000000]'
   12 | int sl[maxn],sl[maxn];
      |              ^~
a.cc:12:5: note: 'int sl [1000000]' previously declared here
   12 | int sl[maxn],sl[maxn];
      |     ^~
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long LL;
typedef pair<int , int> P2;
typedef pair<pair<int , int> , int> P3;
typedef pair<pair<int , int> , pair<int , int> > P4;
#define PB(a) push_back(a)
#define MP(a , b) make_pair((a) , (b))
#define M3P(a , b , c) make_pair(make_pair((a) , (b)) , (c))
#define M4P(a , b , c , d) make_pair(make_pair((a) , (b)) , make_pair((c) , (d)))
#define repp(i,a,b) for(int i = (int)(a) ; i < (int)(b) ; ++i)
#define repm(i,a,b) for(int i = (int)(a) ; i > (int)(b) ; --i)

int N;
string s;
int a,b,c,d,x,y;
int ans;

int main(){
	cin >> N;
	cin >> s;
	s += "0";
	d = -123456;
	repp(i,0,N+1){
		if(s[i] == '0'){
			if(y == 0){
				a = max(max(a,b),max(c,d));
				b = c = 0;
				d = -123456;
			} else {
				int p = max(0,d+y)
				int q = c+x;
				int r = max(max(a,b),max(c,d));
				int s = r;
				if(x > 0) s = max(s,max(c,d)+y-1);
				if(x > 1) s = max(s,b+y-1);
				if(x > 0) q = max(q,b+x-1);
				if(x > 1) p = max(p,b+y);
				if(x > 0) p = max(p,c+y);
				a = p , b = q , c = r , d = s;
			}
			x = y;
			y = 0;
			ans = max(ans , max(max(a,b),max(c,d)));
		} else {
			++y;
		}
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:34:33: error: expected ',' or ';' before 'int'
   34 |                                 int q = c+x;
      |                                 ^~~
a.cc:39:43: error: 'q' was not declared in this scope
   39 |                                 if(x > 0) q = max(q,b+x-1);
      |                                           ^
a.cc:42:45: error: 'q' was not declared in this scope
   42 |                                 a = p , b = q , c = r , d = s;
      |                                             ^
Language: C++

#include <bits/stdc++.h>
#define REP(i,n) for(LL i=0;i<(LL)(n);i++)
#define ALL(x) (x).begin(),(x).end()
#define LL long long
#define pii pair<LL,LL>
#define pll pair<LL,LL>

using namespace std;

int main(){

    LL N;cin>>N;
    N+=3;
    string s;cin>>s;

    s+="000";

    pii one[N];
    REP(i,N)one[i].first=one[i].second=-1;
    LL cnt=0;
    LL befzero=-1;

    REP(i,N){
        LL next=s[i]-'0';
        if(next==1)cnt++;
        if(next==0){
            if(befzero>=0)one[befzero].second=cnt;
            befzero=i;
            one[befzero].first=cnt;
            cnt=0;
        }
    }

    vector< vector<LL> > vv;
    LL index=0;
    while(index<N){
        vector<LL> v;
        while(index<N&&one[index].first*one[index].second!=0){
            if(one[index].first==-1&&one[index].second==-1){
                index++;
                continue;
            }
            v.push_back(one[index].first);
            index++;
        }
        v.push_back(one[index].first);
        if(v.size()>1)vv.push_back(v);
        index++;
    }




    for(LL i=0;i<vv.size();i++){
        for(LL j=1;j<vv[i].size()-1;j++){
            vv[i][j]--;
        }
        for(LL j=0;j<vv[i].size();j++){
            vv[i][j]--;
        }
    }

//    for(vector<LL> v:vv){
//        for(LL u:v)cout<<u<<" ";
//        cout<<endl;
//    }

    LL ans=0;
    for(vector<LL> v : vv){
        LL sum=0;
        LL mn = LL_MAX;
        //頂点数
        ans += v.size()-1;
        for(LL j=0;j<v.size();j++){
            if(v[j]==-1){
                //頂点数を減らす
                ans--;
                sum -=v[j-1];
                sum +=max(v[j-1],v[j+1]);
                j++;
                continue;
            }
            sum+=v[j];
            mn = min(mn,v[j]);
        }
        sum-=mn;
        ans+=sum;
    }
    cout<<ans<<endl;



    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:71:17: error: 'LL_MAX' was not declared in this scope; did you mean 'NL_NMAX'?
   71 |         LL mn = LL_MAX;
      |                 ^~~~~~
      |                 NL_NMAX
Language: C++

#include <iostream>
#include <string>
#include <cstdio>
#include <cstdlib>

#define int long long

using namespace std;

const int SZ = 6e5;

int dp[SZ];

int main()
{
    //freopen("input.txt", "r", stdin);
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n;
    string s;
    cin >> n >> s;
    fill(dp, dp + SZ, 0);
    dp[0] = 0;
    for (int i = 0; i < n; i++)
    {
        cout << i << endl;
        dp[i + 1] = dp[i];
        dp[i + 2] = dp[i];
        if (s[i] == '1' || i == 0 || i == n - 1) continue;
        if (s[i-1] != '1' || s[i + 1] != '1') continue;
        int i1 = i - 1, i2 = i + 1;
        while (s[i1] == '1' && i1 >= 0)
            i1--;
        while (s[i2] == '1' && i2 < n)
            i2++;
        for (int j = i1 + 1; j < i; j++)
            dp[i + 2] = max(dp[i + 2], i - j + dp[j]);
        for (int j = i2 - 1; j > i; j--)
            dp[j + 1] = max(dp[j + 1], j - i + dp[i - 1]);
        i = i2 - 1;
    }
    cout << dp[n] << endl;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: Java

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.stream.IntStream;

public class Main{
	public static void main(String[]$) throws IOException{
		new Main().solve();
	}
	static FastScanner s=new FastScanner(System.in);
	static IntStream REPS(int v){return IntStream.range(0,v);}
	static IntStream REPS(int l,int r){return IntStream.rangeClosed(l,r);}
	static int gInt() throws IOException{return s.nextInt();}
	static long gLong() throws IOException{return s.nextLong();}
	static long gDouble() throws IOException{return s.nextLong();}

	private void solve() throws IOException{
		/*		int n=gInt();
				ArrayList<Integer>l=new ArrayList<>();
				int v=0;
				for(char c:(s.next()+"0").replaceAll("^0*","").toCharArray()) {
					if(c=='1') {
						++v;
					}else {
						l.add(v);
						v=0;
						l.add(0);
					}
				}
				System.out.println(l);
		*/
		s.next();
		Arrays.stream(("00"+s.next()+"00").replaceAll("000+","00").replaceAll("^0*","").replaceAll("0*$","").split("00+"))
		.filter(o->o.contains("0"))
		.peek(System.out::println)
		.mapToInt(o->{
			int[]v=Arrays.stream(o.split("0")).toArray();
		})
		.forEach(System.out::println);
		}
}
class FastScanner{
	private final BufferedInputStream	in;
	private static final int			bufSize	=1<<16;
	private final byte					buf[]	=new byte[bufSize];
	private int							i		=bufSize;
	private int							k		=bufSize;
	private final StringBuilder			str		=new StringBuilder();

	FastScanner(InputStream in){
		this.in=new BufferedInputStream(in,bufSize);
	}
	int nextInt() throws IOException{
		return (int)nextLong();
	}
	long nextLong() throws IOException{
		int c;
		long x=0;
		boolean sign=true;
		while((c=nextChar())<=32)
			;
		if(c=='-'){
			sign=false;
			c=nextChar();
		}
		if(c=='+'){
			c=nextChar();
		}
		while(c>='0'){
			x=x*10+(c-'0');
			c=nextChar();
		}
		return sign?x:-x;
	}
	int nextChar() throws IOException{
		if(i==k){
			k=in.read(buf,0,bufSize);
			i=0;
		}
		return i>=k?-1:buf[i++];
	}
	String next() throws IOException{
		int c;
		str.setLength(0);
		while((c=nextChar())<=32&&c!=-1)
			;
		if(c==-1){
			return null;
		}
		while(c>32){
			str.append((char)c);
			c=nextChar();
		}
		return str.toString();
	}
	String nextLine() throws IOException{
		int c;
		str.setLength(0);
		while((c=nextChar())<=32&&c!=-1)
			;
		if(c==-1){
			return null;
		}
		while(c!='\n'){
			str.append((char)c);
			c=nextChar();
		}
		return str.toString();
	}
}

Compiler output:
Main.java:37: error: incompatible types: bad return type in lambda expression
		.mapToInt(o->{
		          ^
    missing return value
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
Language: C++

    int N;
    string s;
    cin >> N;
    cin >> s;
    int ret = 0;
    for (int i = 0; i < N - 2; ++i)
    {
        if (s.substr(i, 1) == "1")
        {
            if (s.substr(i + 1, 1) == "0")
            {
                if (s.substr(i + 2, 1) == "1")
                {
                    ret++;
                    s[i] = '0';
                    s[i + 1] = '1';
                    s[i + 2] = '0';
                    if (i > 1)
                    {
                        i = i - 2;
                    }
                }
            }
        }
    }
    cout << ret << endl;
    return 0;

Compiler output:
a.cc:2:5: error: 'string' does not name a type
    2 |     string s;
      |     ^~~~~~
a.cc:3:5: error: 'cin' does not name a type
    3 |     cin >> N;
      |     ^~~
a.cc:4:5: error: 'cin' does not name a type
    4 |     cin >> s;
      |     ^~~
a.cc:6:5: error: expected unqualified-id before 'for'
    6 |     for (int i = 0; i < N - 2; ++i)
      |     ^~~
a.cc:6:21: error: 'i' does not name a type
    6 |     for (int i = 0; i < N - 2; ++i)
      |                     ^
a.cc:6:32: error: expected unqualified-id before '++' token
    6 |     for (int i = 0; i < N - 2; ++i)
      |                                ^~
a.cc:26:5: error: 'cout' does not name a type
   26 |     cout << ret << endl;
      |     ^~~~
a.cc:27:5: error: expected unqualified-id before 'return'
   27 |     return 0;
      |     ^~~~~~
Language: C++

#include <algorithm>
#include <cassert>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
//#include <bits/stdc++.h>
#define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i))
#define RFOR(i,k,n) for (int (i)=(n)-1; (i)>=(k); --(i))
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define pb push_back
#define mp make_pair
#define fst first
#define snd second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define debug(x) cerr << #x <<": "<<x<<endl
#define debug2(x,y) cerr << #x <<": "<< x <<", "<< #y <<": "<< y << endl
#define answer(x) cout << x <<endl
#define answer_fixed(x, p) cout << fixed << setprecision(p) << x << endl
using namespace std;

int main() {
  int N; cin >> N;
  string S; cin >> S;
  bool end_flag;
  int ans = 0;
  for(;;) {
    end_flag = 1;
    REP(i, N - 2) {
      if(S.substr(x, 3) == "101") {
        ans++;
        end_flag = 0;
        S[i] = '0';
        S[i+1] = '1';
        S[i+2] = '0';
      }
    }
    if(end_flag) { break; }
  }
  answer(ans);
  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:45:19: error: 'x' was not declared in this scope
   45 |       if(S.substr(x, 3) == "101") {
      |                   ^
Language: C++

// 基本テンプレート

#include <iostream>
#include <iomanip>
#include <cstdio>
#include <string>
#include <cstring>
#include <deque>
#include <list>
#include <queue>
#include <stack>
#include <vector>
#include <utility>
#include <algorithm>
#include <map>
#include <set>
#include <complex>
#include <cmath>
#include <limits>
#include <cfloat>
#include <climits>
#include <ctime>
#include <cassert>
#include <numeric>
#include <fstream>
#include <functional>
using namespace std;

#define rep(i,a,n) for(int (i)=(a); (i)<(n); (i)++)
#define repq(i,a,n) for(int (i)=(a); (i)<=(n); (i)++)
#define repr(i,a,n) for(int (i)=(a); (i)>=(n); (i)--)
#define int long long int

template<typename T> void chmax(T &a, T b) {a = max(a, b);}
template<typename T> void chmin(T &a, T b) {a = min(a, b);}
template<typename T> void chadd(T &a, T b) {a = a + b;}

typedef pair<int, int> pii;
typedef long long ll;

int dx[] = {0, 0, 1, -1};
int dy[] = {1, -1, 0, 0};
constexpr ll INF = 1001001001001001LL;
constexpr ll MOD = 1000000007LL;

signed main() {
    int N; cin >> N;
    string s; cin >> s;
    string t = s;
    int cnt = 0, ans = 0;
    rep(i,0,N) {
        if(cnt == 0 && s[i] == '1') ok = true, cnt++;
        else if(cnt == 1 && s[i] == '0') ok = true, cnt++;
        else if(cnt == 2 && s[i] == '1') ok = true, ans++, cnt++;
        else {
            if(s[i] == '1') {
                if(cnt == 3) ans++;
                else cnt = 1;
            }
            else cnt = 0;
        }
        // cout << cnt;
    }
    // cout << endl;
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:52:37: error: 'ok' was not declared in this scope
   52 |         if(cnt == 0 && s[i] == '1') ok = true, cnt++;
      |                                     ^~
a.cc:53:42: error: 'ok' was not declared in this scope
   53 |         else if(cnt == 1 && s[i] == '0') ok = true, cnt++;
      |                                          ^~
a.cc:54:42: error: 'ok' was not declared in this scope
   54 |         else if(cnt == 2 && s[i] == '1') ok = true, ans++, cnt++;
      |                                          ^~
Language: C++

#include <bits\stdc++.h>
using namespace std;
int main() {
	int x, y, z; cin >> x >> y >> z;
	multiset<string> st;
	for (int i = 1;i <= x; i++) st.insert("a");
	for (int i = 1;i <= y; i++) st.insert("b");
	for (int i = 1;i <= z; i++) st.insert("c");
	while (st.size() != 1) {
		auto be = st.begin(), ed = st.end(); ed--;
		st.insert(*be + *ed);
		st.erase(be), st.erase(ed);
	}
	cout << *st.begin() << endl;
	return 0;
}

Compiler output:
a.cc:1:10: 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 a,b,c;
multiset<string>s;
int main()
{
	scanf("%d%d%d",&a,&b,&c);
	for(int i = 1;i<=a;i++)s.insert("a");
	for(int i = 1;i<=b;i++)s.insert("b");
	for(int i = 1;i<=c;i++)s.insert("c");
	for(int i = 1;i<r+b+g;i++)
	{
		string x = *s.begin(),y = *(--s.end());
		s.erase(s.lower_bound(x)),s.erase(s.lower_bound(y));
		s.insert(x+y);
	}cout<<*s.begin();
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:25: error: 'r' was not declared in this scope
   11 |         for(int i = 1;i<r+b+g;i++)
      |                         ^
a.cc:11:29: error: 'g' was not declared in this scope
   11 |         for(int i = 1;i<r+b+g;i++)
      |                             ^
Language: C++

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

int main() {
    std::multiM <std::string> M;
    for (scanf("%d", &i); i; --i) M.insert("a");
    for (scanf("%d", &i); i; --i) M.insert("b");
    for (scanf("%d", &i); i; --i) M.insert("c");
    while (M.size()>1) {
        std::string s = *M.begin(), t = *M.rbegin();
        M.erase(M.lower_bound(s));
        M.erase(M.lower_bound(t));
        M.insert(s + t);
    }
    printf("%s\n", (*M.begin()).c_str());
    return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'multiM' is not a member of 'std'; did you mean 'multimap'?
    5 |     std::multiM <std::string> M;
      |          ^~~~~~
      |          multimap
a.cc:5:29: error: expected primary-expression before '>' token
    5 |     std::multiM <std::string> M;
      |                             ^
a.cc:5:31: error: 'M' was not declared in this scope
    5 |     std::multiM <std::string> M;
      |                               ^
a.cc:6:23: error: 'i' was not declared in this scope
    6 |     for (scanf("%d", &i); i; --i) M.insert("a");
      |                       ^
a.cc:7:23: error: 'i' was not declared in this scope
    7 |     for (scanf("%d", &i); i; --i) M.insert("b");
      |                       ^
a.cc:8:23: error: 'i' was not declared in this scope
    8 |     for (scanf("%d", &i); i; --i) M.insert("c");
      |                       ^
a.cc:12:31: error: 't' was not declared in this scope
   12 |         M.erase(M.lower_bound(t));
      |                               ^
Language: Java

import java.io.*;

class Main {
    public static void main(String args[]) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String s = new String(in.readLine());
        String[] abc = s.split(",");
		// 整数の入力
		int a = Integer.parseInt(abc[0]);
		// スペース区切りの整数の入力
		int b = Integer.parseInt(abc[1]);
		// スペース区切りの整数の入力
		int c = Integer.parseInt(abc[2]);
		StringBuilder buff = new StringBuilder();
		
		while(true) {
		if(a!=0) {
			buff.append("a");
			a--;
		}else if(c!=0) {
			buff.append("c");
		}else if(b!=0) {
			buff.append("b");
		} else {
			System.out.println(buff);
			return;
		}
		
	}
}

Compiler output:
Main.java:30: error: reached end of file while parsing
}
 ^
1 error
Language: Java

import java.io.*;

class Main {
    public static void main(String args[]) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String s = new String(in.readLine());
        String[] abc = s.split(",", 0);
		// 整数の入力
		int a = Integer.parseInt(abc[0]);
		// スペース区切りの整数の入力
		int b = Integer.parseInt(abc[1]);
		// スペース区切りの整数の入力
		int c = Integer.parseInt(abc[2]);
		StringBuilder buff = new StringBuilder();
		
		while(true) {
		if(a!=0) {
			buff.append("a");
			a--;
		}else if(c!=0) {
			buff.append("c");
		}else if(b!=0) {
			buff.append("b");
		} else {
			System.out.println(buff);
			return;
		}
		
	}
}

Compiler output:
Main.java:30: error: reached end of file while parsing
}
 ^
1 error
Language: C++


//struct cmb_mod {
//    public:
//    
//    cmb_mod() : cmb_mod(1000000007) {}
//    cmb_mod(long long mod) : _mod(mod) {
//        
//        
//    }
//    
//    long long factorial(long long n) {
//        return 0;
//        
//    };
//    long long permutation(long long n, long long k) {
//        return 0;
//        
//    };
//    long long combination(long long n, long long k) {
//        return 0;
//        
//    };
//    
//    private:
//    
//    long long _mod;
//    std::vector<class T> fac;
//    std::vector<class T> facInv;
//};

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: Java

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

public class Main {
    static MyReader in = new MyReader();

    public static void main(String[] args) {
        long N = in.i();
        for (int h = 1; h < 3501; h++) {
            for (int n = 1; n < 3501; n++) {
                int a = 4 * h * n - N * (h + n);
                if (a > 0) {
                    long b = N * h * n;
                    if (b % a == 0) {
                        long w = b / a;
                        System.out.printf("%d %d %d\n", h, n, w);
                        return;
                    }
                }
            }
        }
    }
}

class MyReader extends BufferedReader {
    char[] cbuf = new char[1024];
    int head = 0;
    int tail = 0;

    MyReader() {
        super(new InputStreamReader(System.in));
    }

    char next() {
        if (head == tail) {
            try {
                tail = super.read(cbuf, 0, cbuf.length);
            } catch (IOException e) {
                e.printStackTrace();
            }
            head = 0;
        }
        return cbuf[head++];
    }

    int i() {
        int k = next() - '0';
        boolean minus = k == -3;
        int n = minus ? 0 : k;
        while (0 <= (k = next() - '0') && k <= 9) n = 10 * n + k;
        return minus ? -n : n;
    }

    int[] ii(final int N) {
        int[] a = new int[N];
        for (int j = 0; j < a.length; j++) a[j] = i();
        return a;
    }

    long l() {
        int k = next() - '0';
        boolean minus = k == -3;
        long n = minus ? 0 : k;
        while (0 <= (k = next() - '0') && k <= 9) n = 10 * n + k;
        return minus ? -n : n;
    }

    char[] s(final int N) {
        char[] s = new char[N];
        for (int i = 0; i < N; i++) {
            s[i] = next();
        }
        next();
        return s;
    }

    public int read(char[] cbuf) {
        int i;
        char c;
        for (i = 0; i <= cbuf.length; i++) {
            if ((c = next()) == ' ' || c == '\n') break;
            cbuf[i] = c;
        }
        return i;
    }

    public String readLine() {
        try {
            return super.readLine();
        } catch (IOException e) {
            return null;
        }
    }
}


Compiler output:
Main.java:11: error: incompatible types: possible lossy conversion from long to int
                int a = 4 * h * n - N * (h + n);
                                  ^
1 error
Language: C++

#include <bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
using namespace std;
int main() {
  double N; cin>>N;
  for(double i=1;i<3501;i++){
    for(double j=1;j<i+1;j++){
      if(4/N-1/i-1/j==int(4/N-1/i-1/j)){
        cout<<i<<" "<<j<<" "<<int(4/N-1/i-1/j)<<endl;
        return 0;
      }
    }
  }
}

Compiler output:
a.cc:6:1: error: 'ios' does not name a type
    6 | ios::sync_with_stdio(false);
      | ^~~
a.cc:7:6: error: 'cin' in namespace 'std' does not name a type
    7 | std::cin.tie(nullptr);
      |      ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
Language: C++

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

int main(){
  int N;
  cin >> N;
  for(int h = 1; h <= 3500; i++){
    for(int n = 1; n <= 3500; n++){
      for(int w = 1; w <= 3500; w++){
        double a = 4.0 / N;
        double b = 1.0 / h;
        double c = 1.0 / n;
        double d = 1.0 / w;
        if(a == b + c + d){
          cout << h << " " << n << " " << w << endl;
          return 0;
        }
      }
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:29: error: 'i' was not declared in this scope
    7 |   for(int h = 1; h <= 3500; i++){
      |                             ^
Language: C++

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

int main(){
  int N;
  cin >> N;
  for(int h = 1; i <= 3500; i++){
    for(int n = 1; n <= 3500; n++){
      for(int w = 1; w <= 3500; w++){
        double a = 4.0 / N;
        double b = 1.0 / h;
        double c = 1.0 / n;
        double d = 1.0 / w;
        if(a == b + c + d){
          cout << h << " " << n << " " << w << endl;
          return 0;
        }
      }
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: 'i' was not declared in this scope
    7 |   for(int h = 1; i <= 3500; i++){
      |                  ^
Language: C++

#include<bits/stdc++.h>

using namespace std;

#define debug(n) cerr << #n << ':' << n << endl;
#define dline    cerr << __LINE__ << endl;

using ll = long long;
using ull = unsigned long long;
template<class T, class U> using P = pair<T,U>;
template<class T> using Heap = priority_queue<T>;
template<class T> using heaP = priority_queue<T,vector<T>,greater<T>>;
template<class T,class U> using umap = unordered_map<T,U>;
template<class T> using uset = unordered_set<T>;

template<class T>
bool ChangeMax(T&a,const T&b){
  if(a >= b) return false;
  a = b;    return true;
}

template<class T>
bool ChangeMin(T&a,const T&b){
  if(a <= b) return false;
  a = b;    return true;  
}

template<class T, size_t N, class U>
void Fill(T (&a)[N], const U&v){
    fill((U*)a,(U*)(a+N),v);
}

template<class T,class U>
istream& operator >> (istream&is, P<T,U>&p){
  is >> p.first >> p.second;
  return is;
}

template<class T>
istream& operator >> (istream&is, vector<T>&v){
  for(auto&e:v){
    is >> e;
  }
  return is;
}
int main(){
  int n; cin >> n;
  for(int i = 1; i <= 3500; ++i){
    for(int j = 1; j <= 3500; ++j){
      if((n*a+n*b)%(4*a*b-n) == 0){
	cout << i << ' ' << j << ' ' << (n*a+n*b)/(4*a*b-n) << endl;
	return 0;
      }
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:50:13: error: 'a' was not declared in this scope
   50 |       if((n*a+n*b)%(4*a*b-n) == 0){
      |             ^
a.cc:50:17: error: 'b' was not declared in this scope
   50 |       if((n*a+n*b)%(4*a*b-n) == 0){
      |                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
const ll mod=1000000007;
const int MAX_N = 1000;         // n の最大値
 
// nCk を取得
double nCk(int n, int k) {
double res=1.0;
for(int i=0; i<n; i++){
res*=0.5;}
for(int i=0; i<k; i++){
res*=(double)(n-i);
res/=(double)(k-i);
}
return res;}
 
int main() {
ll n;
cin>>n;
for(ll i=0; i<=3500; i++){
for(ll k=0; k<=3500; k++){
if((n*k*i)%(4*i*k-n*k-n*i)==0){
if(n*k*i<=3500*(4*i*k-n*k-n*i)){
cout << i << " " << k << " " << (n*k*i)/(4*i*k-n*k-n*i) << endl;
goto asd;
}
}
asd: return 0;}



Compiler output:
a.cc: In function 'int main()':
a.cc:30:16: error: expected '}' at end of input
   30 | asd: return 0;}
      |                ^
a.cc:22:26: note: to match this '{'
   22 | for(ll i=0; i<=3500; i++){
      |                          ^
a.cc:30:16: error: expected '}' at end of input
   30 | asd: return 0;}
      |                ^
a.cc:19:12: note: to match this '{'
   19 | int main() {
      |            ^