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

//#include <bits/stdc++.h>
#include <iostream>
#include <complex>
#include <sstream>
#include <string>
#include <algorithm>
#include <deque>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <vector>
#include <set>
#include <limits>
#include <cstdio>
#include <cctype>
#include <cmath>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <climits>
#include <iomanip>
#include <stack>
#include <bitset>

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define FOR(i, j, k) for(int i = (int)(j); i < (int)(k); ++i)
#define ROF(i, j, k) for(int i = (int)(j); i >= (int)(k); --i)
#define FORLL(i, n, m) for(long long i = n; i < (long long)(m); i++)
#define SORT(v, n) sort(v, v+n)
#define REVERSE(v) reverse((v).begin(), (v).end())

using namespace std;
using ll = long long;
const ll MOD=1000000007LL;
typedef pair<int, int> P;

ll ADD(ll x, ll y) { return (x+y) % MOD; }
ll SUB(ll x, ll y) { return (x-y+MOD) % MOD; }
ll MUL(ll x, ll y) { return x*y % MOD; }
ll POW(ll x, ll e) { ll v=1; for(; e; x=MUL(x,x), e>>=1) if (e&1) v = MUL(v,x); return v; }
ll DIV(ll x, ll y) { /*assert(y%MOD!=0);*/ return MUL(x, POW(y, MOD-2)); }

template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}return 0;}

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

  ll N;
  cin >> N;

  bool ok = false;
  FOR(n,1,3501) {
    FOR(w,1,3501){
      ll vm = 4*n*w-N*w-N*n, vc = N*n*w;
      if(vm <= 0) continue;
      //cerr << "vm" << vm << " vc" << vc << endl;      
      if(vc%vm == 0){
	cout << h << " " << n << " " << w << endl;
	ok = true;
	break;
      }
    }
    if(ok) break;
  }

  
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:62:17: error: 'h' was not declared in this scope
   62 |         cout << h << " " << n << " " << w << endl;
      |                 ^
Language: C++

#include <iostream>
#include <fstream>
#include <cmath>  
#include <cstdlib>
#include <ctime>
#include <algorithm>
#include <numeric>
#include <functional>
#include <string> 
#include <vector>
#include <bitset>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <random>

using namespace std;
using ll = long long;

template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;

#define REP(i,n) for(int i = 0; i < int(n); i++)
#define FOR(i, m, n) for(int i = int(m);i < int(n);i++)
#define ALL(obj) (obj).begin(),(obj).end()

const ll MOD = (ll)1e9 + 7;
const ll HINF = (ll)1e18;
const ll LINF = (ll)1e9;
const long double PI = 3.1415926535897932384626433;

template<class T> void corner(bool flg, T hoge) {
	if (flg) {
		cout << hoge << endl;
		exit(0);
	}
	else return;
}

template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {
	o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;
}

template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {
	o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;
}

template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {
	o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;
}

template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {
	o << "{" << obj.first << ", " << obj.second << "}"; return o;
}

template <template <class tmp>  class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {
	o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;
}

void print(void) {
	cout << endl;
}

template <class Head> void print(Head&& head) {
	cout << head;
	print();
}

template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {
	cout << head << " ";
	print(forward<Tail>(tail)...);
}

void YN(bool flg) {
	cout << ((flg) ? "YES" : "NO") << endl;
}

void Yn(bool flg) {
	cout << ((flg) ? "Yes" : "No") << endl;
}

void yn(bool flg) {
	cout << ((flg) ? "yes" : "no") << endl;
}



int main() {
	ll N;
	cin >> N;
  FOR(i,1,3501){
    FOR(j,1,3501){
      if(4*i*j-N*j-N*i<1)continue;
      ll k=Nij/(4ij-Nj-Ni);
      if((N*i*j)%(4*i*j-N*j-N*i)==0){
      print(i,j,k);
        return 0;
      }
    }
  }
  
	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:96:12: error: 'Nij' was not declared in this scope
   96 |       ll k=Nij/(4ij-Nj-Ni);
      |            ^~~
a.cc:96:17: error: unable to find numeric literal operator 'operator""ij'
   96 |       ll k=Nij/(4ij-Nj-Ni);
      |                 ^~~
a.cc:96:21: error: 'Nj' was not declared in this scope; did you mean 'j'?
   96 |       ll k=Nij/(4ij-Nj-Ni);
      |                     ^~
      |                     j
a.cc:96:24: error: 'Ni' was not declared in this scope; did you mean 'i'?
   96 |       ll k=Nij/(4ij-Nj-Ni);
      |                        ^~
      |                        i
Language: C++

import java.util.Scanner;

public class Main {

	private static final int VAL_LIMIT = 3500 + 1;

	private static long divCeil(long x, long y) {
		return (int)((x / y) + 1);
	}

	public static void main(String[] args) {
		try (Scanner in = new Scanner(System.in)) {
			final int N = in.nextInt();

			int h0 = (int)divCeil(N, 4);
			for (int h = h0; h < VAL_LIMIT; ++h) {
				int a = (h << 2) - N;
				int b = N * h;
				int n0 = (int)divCeil(b, a);
				for (int n = n0; n < VAL_LIMIT; ++n) {
					long c = a * n - b;
					long d = b * n;
					long w = d / c;
					if (w * c == d) {
						System.out.printf("%d %d %d%n", h, n, w);
						return;
					}
				}
			}
		}
	}
}


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

#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
  int n;cin>>n;
  for(ll i=1;i<=3500;i++){
    for(ll j=1;j<=3500;j++){
      4*i*j*k=n*(ij+jk+ki);
      (4ij-n(i+j))k=n*ij;
      if((n*i*j)%(4*i*j-n*(i+j))==0){
        cout<<i<<j<<(n*i*j)%(4*i*j-n*(i+j))<<endl;
        return 0;
      }
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: 'k' was not declared in this scope
    8 |       4*i*j*k=n*(ij+jk+ki);
      |             ^
a.cc:8:18: error: 'ij' was not declared in this scope; did you mean 'j'?
    8 |       4*i*j*k=n*(ij+jk+ki);
      |                  ^~
      |                  j
a.cc:8:21: error: 'jk' was not declared in this scope; did you mean 'j'?
    8 |       4*i*j*k=n*(ij+jk+ki);
      |                     ^~
      |                     j
a.cc:8:24: error: 'ki' was not declared in this scope; did you mean 'i'?
    8 |       4*i*j*k=n*(ij+jk+ki);
      |                        ^~
      |                        i
a.cc:9:8: error: unable to find numeric literal operator 'operator""ij'
    9 |       (4ij-n(i+j))k=n*ij;
      |        ^~~
a.cc:9:13: error: 'n' cannot be used as a function
    9 |       (4ij-n(i+j))k=n*ij;
      |            ~^~~~~
Language: C++

#pragma GCC optimize(2)
#include<bits/stdc++.h>
using namespace std;
double x,y,A,B,zhe;
int main()
{
	x=4;
	cin>>A;
	B=(int)A/4;
	B=B+1;
	for(double v=1;v<=3500;v++)
	{
		for(double n=1;n<=3500;n++)
		{
			if(1/B+1/v+1/n==4/A)
			{
				cout<<s<<" "<<v<<" "<<n<<endl;
				return 0;
			
			}
			if(1/B+1/v+1/n<4/A)
			{
				break;
			}
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:39: error: 's' was not declared in this scope
   17 |                                 cout<<s<<" "<<v<<" "<<n<<endl;
      |                                       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  ll N;
  cin>>N;
  for(ll i=1;i<=min(3*N/4+1,3500);i++){
    for(ll j=i;j<=min(3*N/4+1,3500);j++){
      for(ll k=j;k<=min(3*N/4+1,3500);k++){
        if(4*i*j*k==N*(i*j+j*k+i*k)){
          cout<<i<<" "<<j<<" "<<k<<endl;
          return 0;
        }
      }
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'll' was not declared in this scope
    4 |   ll N;
      |   ^~
a.cc:5:8: error: 'N' was not declared in this scope
    5 |   cin>>N;
      |        ^
a.cc:6:9: error: expected ';' before 'i'
    6 |   for(ll i=1;i<=min(3*N/4+1,3500);i++){
      |         ^~
      |         ;
a.cc:6:14: error: 'i' was not declared in this scope
    6 |   for(ll i=1;i<=min(3*N/4+1,3500);i++){
      |              ^
a.cc:7:11: error: expected ';' before 'j'
    7 |     for(ll j=i;j<=min(3*N/4+1,3500);j++){
      |           ^~
      |           ;
a.cc:7:16: error: 'j' was not declared in this scope; did you mean 'jn'?
    7 |     for(ll j=i;j<=min(3*N/4+1,3500);j++){
      |                ^
      |                jn
a.cc:8:13: error: expected ';' before 'k'
    8 |       for(ll k=j;k<=min(3*N/4+1,3500);k++){
      |             ^~
      |             ;
a.cc:8:18: error: 'k' was not declared in this scope
    8 |       for(ll k=j;k<=min(3*N/4+1,3500);k++){
      |                  ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int nain(){
  double N;
  cin>>N;
  for(double i=1;i<=3*N/4;i++){
    for(double j=1;j<=3*N/4;j++){
      for(double k=1;k>=3*N/4;k++){
        if(N/4==1/i+1/j+1/k){
          cout<<i<<" "<<j<<" "<<k<<endl;
          return 0;
        }
      }
    }
  }
  return 0;
}

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: C++

#include<iostream>
using namespace std;
using ll = long long;

int main() {
	ll n;
	cin >> n;
	for (ll h = 1;h <= 3500;h++) {
		for (ll w = 1;w <= 3500;w++) {
			ll t = n * w*h;
			if (4 * h*w - n * w - n * h <= 0) continue;
			if (t % (4 * h*w - N * w - N * h) == 0) {
				printf("%d %d %d\n", h, w, t / (4 * h*w - N * w - N * h));
				return 0;
			}
		}
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:44: error: 'N' was not declared in this scope
   12 |                         if (t % (4 * h*w - N * w - N * h) == 0) {
      |                                            ^
Language: C++

#include <stdio.h>

#define int unsigned long long

unsigned main(){
	int h, n, w, N;
	scanf("%llu", &N);
	for(int i = 1; i <= 3500; i++){
		h = i;
		for(int j = 1; j <= 3500; j++){
			n = j;
			if(4 * h * n - N * n - N * h > 0 && (N * h * n) % (4 * h * n - N * n - N * h) == 0){
				w = (N * h * n) / (4 * h * n - N * n - N * h);
				if(w <= 3500){
					printf("%llu %llu %llu\n", h, n, w);
					return 0;
				}
			}
		}
	}
}

Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define int long long

int main(){
    int N;
    scanf("%lld",&N);
    for(int h = 1 ; h <= 3500 ; h++){
        for(int w = 1 ; w <= 3500 ; w++){
            if((4*h*w-N*w-N*h) != 0&&(N*h*w)%(4*h*w-N*w-N*h)==0 && (N*h*w)/(4*h*w-N*w-N*h) > 0 ){
                printf("%lld %lld %lld\n",h,(N*h*w)/(4*h*w-N*w-N*h),w);
                return 0;
            }
        }
    }
    return 0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define FOR(i, n) for (int i = 0; i < int(n); i++)
#define FOR1(i, m, n) for (int i = int(m); i < int(n); i++)
#define MAX(a, b) ((a) >= (b) ? (a) : (b))
#define MIN(a, b) ((a) <= (b) ? (a) : (b))

int main(int argc, char *argv[argc]) {
  ll N;
  ll M = 4;
  ll h[3] = {};

  scanf("%lld", &N);

  FOR(i, 2) {
    h[i] = (N + M) / M;

    M = M * h[i] - N;
    N = N * h[i];
  }
  h[2] = N / M;

  printf("%lld %lld %lld\n", h[0], h[1], h[2]);

  return 0;
}


Compiler output:
a.cc:11:26: error: expected ',' or '...' before 'argv'
   11 | int main(int argc, char *argv[argc]) {
      |                          ^~~~
a.cc:11:5: warning: second argument of 'int main(int, char*)' should be 'char **' [-Wmain]
   11 | int main(int argc, char *argv[argc]) {
      |     ^~~~
Language: C++

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

int main() {

	int N, h, n, w;
	scanf("%d", &N);
	for (int i = 1; i <= 3500; i++) {
		for (int j = 1; j <= 3500; j++) {
			ll a = N*i*j;
			ll b = 4 * i*j -  N*i - N*j;
			if (b > 0 && a%b == 0) {
				printf("%d %d %lld", i, j, a / b);
				return;
			}
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:33: error: return-statement with no value, in function returning 'int' [-fpermissive]
   15 |                                 return;
      |                                 ^~~~~~
Language: C++

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

int main() {

	int N, h, n, w;
	scanf("%d", &N);
	for (int i = 1; i <= 3500; i++) {
		for (int j = 1; j <= 3500; j++) {
			ll a = N*i*j;
			ll b = 4 * i*j -  N*i - N*j;
			if (b > 0 && a%b == 0) {
				printf("%d %d %d", &i, j, a / b);
				return;
			}
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:33: error: return-statement with no value, in function returning 'int' [-fpermissive]
   15 |                                 return;
      |                                 ^~~~~~
Language: C++

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

int N, h, n, w;

int main()
{
	cin >> N;
	bool found = false;
	for(int i = 1; i <= ub; ++i){
		for(int j = i; j <= ub; ++j){
			int lb = 1, ub = 3500;
			while(1){
				int mid = (lb + ub)/2;
				double sum = 1.0/i + 1.0/j + 1.0/mid;
				if(abs(4.0/N - sum) < 1e-5){
					found = true;
					h = i;
					n = j;
					w = mid;
					break;
				}else if(4.0/N > sum){
					ub = mid;
				}else{
					lb = mid;
				}
			}
			if(found) break;
		}
		if(found) break;
	}
	cout << h << " " << n << " " << w << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:29: error: 'ub' was not declared in this scope
   10 |         for(int i = 1; i <= ub; ++i){
      |                             ^~
Language: C++

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

double val(float h, float w, float n)
{
	double ret=(4*h*n*w)/(h*n+h*w+n*w);
	return ret;
}

float func(float h, float w)
{
	float low=1, high=3500;
	while(low<high)
	{
		float mid=(low+high)/2;
		double value=val(h,w,mid);
	//	cout<<value<<" "<<mid<<endl;
		if(value==n)
		return mid;
		else if(value<n)
		{
			low=mid+1;
		}
		else
		{
			high=mid;
		}
	}
	return 0;
}

float main()
{
	cin>>n;
	for(float i=1;i<=3500;i++)
	{
		for(float j=1;j<=3500;j++)
		{
			float k=func(i,j);
			if(k)
			{
				cout<<i<<" "<<j<<" "<<k;
				return 0;
			}
		}
	}
	return 0;
}

Compiler output:
a.cc:33:1: error: '::main' must return 'int'
   33 | float main()
      | ^~~~~
Language: C++

#include <iostream>
using namespace std;
typedef long long LL:

LL i, j, k;

void solve(LL n) {
    for (i = 1; i <= 3500; i++) {
        if (n/4 >= i) continue;
        for (j = i; j <= 3500; j++) {
            LL tmp1 = i+j;
            LL tmp2 = i*j;
            k = 4*tmp2 - n*tmp1;
            if (k > 0 && n*tmp2%k==0) {
                k = n*tmp2/k;
                return;
            }
        }
    }
}

int main() {
//    freopen("test.txt", "r", stdin);
    int n;
    cin >> n;
    solve(n);
    cout << i << ' ' << j << ' ' << k << endl;

    return 0;
}

Compiler output:
a.cc:3:21: error: found ':' in nested-name-specifier, expected '::'
    3 | typedef long long LL:
      |                     ^
      |                     ::
a.cc:3:19: error: 'LL' has not been declared
    3 | typedef long long LL:
      |                   ^~
a.cc:5:4: error: expected initializer before 'i'
    5 | LL i, j, k;
      |    ^
a.cc:7:6: error: variable or field 'solve' declared void
    7 | void solve(LL n) {
      |      ^~~~~
a.cc:7:12: error: 'LL' was not declared in this scope
    7 | void solve(LL n) {
      |            ^~
a.cc: In function 'int main()':
a.cc:26:5: error: 'solve' was not declared in this scope
   26 |     solve(n);
      |     ^~~~~
a.cc:27:13: error: 'i' was not declared in this scope
   27 |     cout << i << ' ' << j << ' ' << k << endl;
      |             ^
a.cc:27:25: error: 'j' was not declared in this scope
   27 |     cout << i << ' ' << j << ' ' << k << endl;
      |                         ^
a.cc:27:37: error: 'k' was not declared in this scope
   27 |     cout << i << ' ' << j << ' ' << k << endl;
      |                                     ^
Language: C

#include<stdio.h>
int main(){
    
    int n,a,b,c;
    scanf("%d",&n);
    a = 1;
    
    while(1)
    {
        while (1)
        {
            c = n*a*b/(4*a*b - n*b - n*a);
            if(4/a == 1/a + 1/b + 1/c)
            {
                printf("%d %d %d\n",a,b,c);
                return 0;
            }
            n++;
        }
        h++;
    }
  
}


Compiler output:
main.c: In function 'main':
main.c:20:9: error: 'h' undeclared (first use in this function)
   20 |         h++;
      |         ^
main.c:20:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>
using namespace std;
	int    N;int h,n,w;
 int main()
 {
     scanf("%d",&N);
     int i,j,k;
     for(h=1;h<=3500;h++)
     {   if(4*h<=N) continue; 
     	for(n=1;n<=3500;n++)
     	{  // if(h>3495)  printf("%d %d\n",h,n);
		    if(N*(h+n)>=4*n*h) continue;
		    if(N*(n+h+h*n)<(4*n*h) break;
     		for(w=1;w<=3500;w++)
     		{   
     			 if((long)4*h*n*w>(long)N*(n*w+h*w+n*h)) break;
				 if((long)4*h*n*w==(long)N*(n*w+h*w+n*h)) 
				 {
				 	printf("%d %d %d",h,n,w);return 0;
				 }	
     		}
     	}
     }
 	
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:13:43: error: expected ';' before 'break'
   13 |                     if(N*(n+h+h*n)<(4*n*h) break;
      |                                           ^~~~~~
      |                                           ;
a.cc:14:17: error: expected primary-expression before 'for'
   14 |                 for(w=1;w<=3500;w++)
      |                 ^~~
a.cc:13:50: error: expected ')' before 'for'
   13 |                     if(N*(n+h+h*n)<(4*n*h) break;
      |                       ~                          ^
      |                                                  )
   14 |                 for(w=1;w<=3500;w++)
      |                 ~~~                               
a.cc:14:36: error: expected ';' before ')' token
   14 |                 for(w=1;w<=3500;w++)
      |                                    ^
      |                                    ;
Language: C++

#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define in insert
#define er erase
#define fr first
#define sc second
typedef long long ll;
const long long llinf=LLONG_MAX;
const int nrm=INT_MAX;
const int nrn=INT_MIN;
const int nmax=1e5+5;
const int mod=1e9+7;
using namespace std;
int main()
{
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
    cin>>n;
    for(x=1;x<=3500;x++)
     for(y=1;y<=3500;y++)
      if(4*x*y-n*x-n*y>0 && !((n*x*y)%(4*x*y-n*x-n*y)))return cout<<x<<" "<<y<<" "<<(n*x*y)/(4*x*y-n*x-n*y)<<endl,0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:19:10: error: 'n' was not declared in this scope; did you mean 'yn'?
   19 |     cin>>n;
      |          ^
      |          yn
a.cc:20:9: error: 'x' was not declared in this scope
   20 |     for(x=1;x<=3500;x++)
      |         ^
a.cc:21:10: error: 'y' was not declared in this scope; did you mean 'yn'?
   21 |      for(y=1;y<=3500;y++)
      |          ^
      |          yn
Language: C++

#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <numeric>
#include <cstdlib>
#include <queue>
#include <stack>
#include <climits>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
#define pb push_back

#define rep(i, n) for (int i=0;i<(n);++i)
#define rep2(i, s, n) for (int i=s;i<(n);++i)
#define rev(i, n) for (int i=(n);i>0;--i)
#define INF (1e9+1e9)

int main() {
    int N; cin>>N;

    rep2(h,1,3500) rep2(n,1,3500) {
        double w = 4*h*n/(4*h*n-N*h-N*n);
        if (int(w) == w && w >= 1) {
            cout << h << " " << n << " " << roundf(w) << endl;
            return 0;
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:45: error: 'roundf' was not declared in this scope
   27 |             cout << h << " " << n << " " << roundf(w) << endl;
      |                                             ^~~~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <numeric>
#include <cstdlib>
#include <queue>
#include <stack>
#include <climits>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
#define pb push_back

#define rep(i, n) for (int i=0;i<(n);++i)
#define rep2(i, s, n) for (int i=s;i<(n);++i)
#define rev(i, n) for (int i=(n);i>0;--i)
#define INF (1e9+1e9)

int main() {
    int N; cin>>N;

    rep2(h,1,3500) rep2(n,1,3500) {
        double w = 4*h*n/(4*h*n-N*h-N*n);
        if (roundf(w) == w && w >= 1) {
            cout << h << " " << n << " " << roundf(w) << endl;
            return 0;
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:13: error: 'roundf' was not declared in this scope
   26 |         if (roundf(w) == w && w >= 1) {
      |             ^~~~~~
Language: C++

//============================================================================
// Name        : CODEFESTIVAL2017qualA.cpp
// Author      : 
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <algorithm>

using namespace std;

inline int main1();
inline int main2();
inline int main3();
inline int main4();

int main() {

	main4();

	return 0;
}

inline int main2() {

	int i, j, k;
	int num;
	int a, b;
	long long int max_a, min_b;

	max_a = 0;
	min_b = 1000000000;

	cin >> num;

	for (i = 0; i < num; i++) {
		cin >> a >> b;
		if (max_a < a) {
			max_a = a;
			min_b = b;
		}

	}

	cout << max_a + min_b;

	return 0;

}

inline int main3() {

	long long int i, j, k;
	long long int num;

	cin >> num;

	for (i = 1; i < 3501; ++i)
		for (j = 1; j < 3501; ++j) {
			//for (k = 1; k < 3501; ++k)
			//if (0 ==(4 * i * j * k) - (num * (i * j + j * k + k * i))) {
			if (((4 * i * j - num * (i + j)) == 0)
					|| ((num * i * j) % (4 * i * j - num * (i + j)) != 0))
				continue;
			k = (num * i * j) / (4 * i * j - num * (i + j));
			if (k <= 3500)
				cout << i << " " << j << " " << k;
			return 0;
		}

	return 0;

}


Compiler output:
a.cc:23:12: warning: inline function 'int main4()' used but never defined
   23 | inline int main4();
      |            ^~~~~
/usr/bin/ld: /tmp/ccAFUrry.o: in function `main':
a.cc:(.text+0x5): undefined reference to `main4()'
collect2: error: ld returned 1 exit status
Language: C

#include<stdio.h>
int main(){
    
    int a,h,n,w;
    scanf("%d",&a);
    h = 1;
    
    while(true)
    {
        if (4*h > a)break;
        h++;
    }
    
    n = h;
    
    while (true)
    {
        if (4*h*n > a*n + a*h)break;
        n++;
    }
    
    w = a*h*n/(4*h*n - a*n - a*h);
    
    printf("%d %d %d\n",h,n,w);
    
    
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:8:11: error: 'true' undeclared (first use in this function)
    8 |     while(true)
      |           ^~~~
main.c:2:1: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include<stdio.h>
  +++ |+#include <stdbool.h>
    2 | int main(){
main.c:8:11: note: each undeclared identifier is reported only once for each function it appears in
    8 |     while(true)
      |           ^~~~
Language: C

#include<stdio.h>
int main(){
    
    int a,h,n,w,sum,tmp,tmp2;
    scanf("%d",&a);
    h = 1;
    
    while(1)
    {
        if (4*h > a)break;
        h++;
    }
    
    n = h;
    sum = 4*h;
    tmp = a*h;
    
    while (1)
    {
        
        if (sum*n > a*n + tmp)if((sum*n - a*n - tmp)>0))break;
        n++;
    }
    
    w = a*h*n/(4*h*n - a*n - a*h);
    
    printf("%d %d %d\n",h,n,w);
    
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:56: error: expected statement before ')' token
   21 |         if (sum*n > a*n + tmp)if((sum*n - a*n - tmp)>0))break;
      |                                                        ^
Language: C++

#include<bits/stdc++.h>
#define range(i,a,b) for(int i = (a); i < (b); i++)
#define rep(i,b) for(int i = 0; i < (b); i++)
#define all(a) (a).begin(), (a).end()
#define show(x)  cerr << #x << " = " << (x) << endl;
//const int INF = 1e8;
using namespace std;

const double DBL = 1e-15;

int main(){
	double n;
	cin >> n;

	range(i,1,3600){
		range(j,1,3600){
			//cout << i << ' ' << j << endl;
			double tmp, c;
			if(abs(4.0 / n - 1.0 / (double)i - 1.0 / (double)j) < DBL){
				continue;
			}
			tmp = modf(1.0 / (4.0 / n - 1.0 / (double)i - 1.0 / (double)j), &c);
			//if(abs(tmp) < DBL && c > 0){
				if(4 * i * j * c == n * (i * j + j * c + c * i)){
					cout << i << ' ' << j << ' ' << c << endl;
					return 0;
				}
			//}
		}
	}
	ssert(false);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:9: error: 'ssert' was not declared in this scope; did you mean 'assert'?
   31 |         ssert(false);
      |         ^~~~~
      |         assert
Language: C++

#include <bits/stdc++.h>
using namespace std;
int h,w,z;
int da[3]={1,0,0};
int db[3]={0,1,0};
int dc[3]={0,0,1};
int mem[7000]={0};
int gmem[7000];
int gcd(int a,int b){
    if(gmem[a+b])
        return gmem[a+b];
    if(a<b)
        swap(a,b);
    int r=a%b;
    while(r!=0){
        a=b;
        b=r;
        r=a%b;
    }
    return gmem[a+b]b;
}
int lcd(int a,int b,int c){
    if(mem[a+b+c])
        return mem[a+b+c];
    int gc=gcd(a,b);
    gc=gcd(gc,c);
    return mem[a+b+c]=a*b*c/gc;
}
int dfs(int a,int b,int c,int n){
    if((3/lcd(a,b,c)==4/n)&&(3%lcd(a,b,c)==4%n)){
        h=a;
        w=b;
        z=c;
        return 0;
    }
    for(int i=0;i<3;i++){
        return dfs(a+da[i],b+db[i],c+dc[i],n);
    }
    return 0;
}
int main(void){
    int n;
    scanf("%d",&n);
    if(n%2==0){
        h=n;
        w=n;
        z=n/2;
    }
    if(n%2==1){
        dfs(1,1,1,n);
    }
    printf("%d %d %d\n",h,w,z);
    return 0;
}


Compiler output:
a.cc: In function 'int gcd(int, int)':
a.cc:20:21: error: expected ';' before 'b'
   20 |     return gmem[a+b]b;
      |                     ^
      |                     ;
Language: C++

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

int main(void) {
  long long N;
  cin >> N;
  if (N == 2) {
    cout << "1 2 2" << endl;
    return 0;
  } else if(N == 3) {
    cout << "1 4 12" << endl;
    return 0;
  }
  if (N <= 10) {
    for(int a=1;a<=3500;a++)
    for(int i=1;i<=3500;i++){
    for(int j=1;j<=3500;j++){
      if (4.0 == 1.*N/i + 1.*N/j + 1.*N/a) {
        cout << a << " " << i << " " << j << endl;
        return 0;
      }
    }
  }
  }

  int a = N / 4 + 1;
  for(int i=1;i<=3500;i++){
    for(int j=1;j<=3500;j++){
      if (4.0 == 1.*N/i + 1.*N/j + 1.*N/a) {
        cout << a << " " << i << " " << j << endl;
        return 0;
      }
    }
  }
  int a = N / 4 + 2;
  for(int i=1;i<=3500;i++){
    for(int j=1;j<=3500;j++){
      if (4.0 == 1.*N/i + 1.*N/j + 1.*N/a) {
        cout << a << " " << i << " " << j << endl;
        return 0;
      }
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:7: error: redeclaration of 'int a'
   35 |   int a = N / 4 + 2;
      |       ^
a.cc:26:7: note: 'int a' previously declared here
   26 |   int a = N / 4 + 1;
      |       ^
Language: C

#include<stdio.h>
int main(){
    
    int a,h,n,w,sum,tmp,tmp2;
    scanf("%d",&a);
    h = 1;
    
    while(1)
    {
        if (4*h > a)break;
        h++;
    }
    
    n = h;
    sum = 4*h;
    tmp = a*h;
    
    while (1)
    {
        
        if ((sum*n > a*n + tmp) &&((4*h*n - a*n - a*h)>0)break;
        n++;
    }
    
    w = a*h*n/(4*h*n - a*n - a*h);
    
    printf("%d %d %d\n",h,n,w);
    
    
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:21:58: error: expected ')' before 'break'
   21 |         if ((sum*n > a*n + tmp) &&((4*h*n - a*n - a*h)>0)break;
      |            ~                                             ^~~~~
      |                                                          )
main.c:23:5: error: expected expression before '}' token
   23 |     }
      |     ^
Language: C

#include<stdio.h>
int main(){
    
    int a,h,n,w,sum,tmp,tmp2;
    scanf("%d",&a);
    h = 1;
    
    while(1)
    {
        if (4*h > a)break;
        h++;
    }
    
    n = h;
    sum = 4*h;
    tmp = a*h;
    
    while (1)
    {
        
        if ((sum*n > a*n + tmp) &&((4*h*n - a*n - a*h)>0))break;
        n++;
    }
    
    w = a*h*n/(4*h*n - a*n - a*h));
    
    printf("%d %d %d\n",h,n,w);
    
    
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:25:34: error: expected ';' before ')' token
   25 |     w = a*h*n/(4*h*n - a*n - a*h));
      |                                  ^
      |                                  ;
main.c:25:34: error: expected statement before ')' token
Language: C

#include<stdio.h>
int main(){
    
    int a,h,n,w,sum,tmp,tmp2;
    scanf("%d",&a);
    h = 1;
    
    while(1)
    {
        if (4*h > a)break;
        h++;
    }
    
    n = h;
    sum = 4*h;
    tmp = a*h;
    
    while (1)
    {
        
        if ((sum*n > a*n + tmp) &&(4*h*n - a*n - a*h>0))break;
        n++;
    }
    
    w = a*h*n/(4*h*n - a*n - a*h));
    
    printf("%d %d %d\n",h,n,w);
    
    
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:25:34: error: expected ';' before ')' token
   25 |     w = a*h*n/(4*h*n - a*n - a*h));
      |                                  ^
      |                                  ;
main.c:25:34: error: expected statement before ')' token
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define r(i,n) for(int i=0;i<n;i++)
typedef pair<int,int>P;
#define fi first
#define se second
#define mk make_pair
int main(){
  double n;
  cin>>n;
  set<double>ss;
  vector<pair<double,P> >v;
  for(double a=1;a<=3500;a++){
    for(double b=a;b<=3500;b++){
      double t=1.0/a+1.0/b;
        v.push_back(mk(t,mk(a,b)));
    }
  }
  sort(v.begin(),v.end());
  //cout<<v.size()<<endl;
  //cout<<v[v.size()-2].first<<endl;
  for(double a=1;a<=3500;a++){
    int l=0,r=v.size();
    while(l<r){
      int mid=(l+r)/2;
      if(abs((4.0/n)-(v[mid].first+1.0/a))<0.00000000001){
        cout<<a<<' '<<v[mid].second.first<<' '<<v[mid].second.second<<endl;
         return 0;
      }
      if(v[mid].first+1.0/a>(4.0/n))r=mid;
      else l=mid+1;
      //cout<<v[mid].first<<endl;
    }
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:34:4: error: expected '}' at end of input
   34 |   }
      |    ^
a.cc:8:11: note: to match this '{'
    8 | int main(){
      |           ^
Language: C++

// C.

#include <iostream>
#include <algorithm>
#include <sstream>
#include <cstdio>
#include <cstring>
#include <vector>

using namespace std;

typedef pair<int, int> II;
typedef pair<double, II> DII;

vector<DII> v;

void solve(long long n) {
	double x = 4.0 / n;
	double diff = 1e9;
	int p, q, r;
	for (int i = 1; i <= 3500; ++i) {
		double y = 1.0 / i;
		vector<DII>::const_iterator it = lower_bound(v.begin(), v.end(), DII(x - y - 1e-7, II(0, 0)));
		for (; it != v.end(); ++it) {
			if (it->first > (x-y+1e-7)) {
				break;
			}
			II k = it->second;
			double hnw = 1.0 * k.first * k.second * i;
			double d = fabs(hnw / k.first + hnw / k.second + hnw / i - (hnw * 4.0) / n);
			if (d < diff) {
				p = i, q = k.first, r = k.second;
				diff = d;
			}
		}
	}
	cout << p << " " << q << " " << r << endl;
}

int main(int argc, char *argv[])
{
	for (int i = 1; i <= 3500; ++i) {
		for (int j = i; j <= 3500; ++j) {
			v.push_back(DII((1.0 / i) + 1.0 / j, II(i, j)));
		}
	}
	sort(v.begin(), v.end());
	long long n;
	cin >> n;
	solve(n);
}



Compiler output:
a.cc: In function 'void solve(long long int)':
a.cc:30:36: error: 'fabs' was not declared in this scope; did you mean 'labs'?
   30 |                         double d = fabs(hnw / k.first + hnw / k.second + hnw / i - (hnw * 4.0) / n);
      |                                    ^~~~
      |                                    labs
Language: C++

// C-4N.cpp
#include <iostream>
#include <math.h>

int sub_odd(double val){
    int c = ceil(val);
    if(c%2 == 0) return c+1;
    else return c;
}

int main(void)
{
    int N;
    N << cin;
    int h, n, w;
    for(h=sup_odd(N/4.0)+1; h<=3500; ++h)
        for(n=h; n<=3500; ++n)
            for(w=n; w<=3500; ++w)
                if(4.0/N == 1.0/h + 1.0/n + 1.0/w) break;
    cout << h << n << w;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:10: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   14 |     N << cin;
      |          ^~~
      |          std::cin
In file included from a.cc:2:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:16:11: error: 'sup_odd' was not declared in this scope; did you mean 'sub_odd'?
   16 |     for(h=sup_odd(N/4.0)+1; h<=3500; ++h)
      |           ^~~~~~~
      |           sub_odd
a.cc:20:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   20 |     cout << h << n << w;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

// C-4N.cpp
#include <iostream>
#include <math.h>

int sub_odd(double val){
    double c = ceil(val);
    if(c%2 == 0) return c+1;
    else return c;
}

int main(void)
{
    int N << cin;
    int h, n, w;
    for(h=sup_odd(N/4.0)+1; h<=3500; ++h)
        for(n=h; n<=3500; ++n)
            for(w=n; w<=3500; ++w)
                if(4.0/N == 1.0/h + 1.0/n + 1.0/w) break;
    cout << h << n << w;
}


Compiler output:
a.cc: In function 'int sub_odd(double)':
a.cc:7:9: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |     if(c%2 == 0) return c+1;
      |        ~^~
      |        | |
      |        | int
      |        double
a.cc: In function 'int main()':
a.cc:13:11: error: expected initializer before '<<' token
   13 |     int N << cin;
      |           ^~
a.cc:15:19: error: 'N' was not declared in this scope
   15 |     for(h=sup_odd(N/4.0)+1; h<=3500; ++h)
      |                   ^
a.cc:15:11: error: 'sup_odd' was not declared in this scope; did you mean 'sub_odd'?
   15 |     for(h=sup_odd(N/4.0)+1; h<=3500; ++h)
      |           ^~~~~~~
      |           sub_odd
a.cc:19:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   19 |     cout << h << n << w;
      |     ^~~~
      |     std::cout
In file included from a.cc:2:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc: In function 'int sub_odd(double)':
a.cc:6:20: warning: control reaches end of non-void function [-Wreturn-type]
    6 |     double c = ceil(val);
      |                ~~~~^~~~~
Language: C++

#include <iostream>
#include <fstream>
#include <cstdio>
#include <cassert>
#include <complex>
#include <cmath>
#include <algorithm>
#include <vector>
#include <string>
#include <cstdlib>
#include <cstring>
#include <iomanip>
#include <numeric>
#include <sstream>
#include <ctime>
#include <cctype>
#include <set>
#include <map>
#include <queue>
#include <bitset>
#include <deque>
#include <stack>
#include <memory.h>
using namespace std;
#define ll long long 
int n;
int main()
{
	cin>>n;
	double m=4/n;
	if(n%4==0){
		cout<<n/4*3<<" "<<n/4*3<<" "<<n/4*3;
	}
	else{
		if(n%2==0){
			cout<<n/2<<' '<<n<<" "<<n;
		}
		else{
			if(n%3==0){
				cout<<n+n/3<<" "<<n+n/3<<" "<<n+n/3;
			}
			else{
				for(int i=1;i<=3500;i++){
					for(int j=1;j<=3500;j++){
						double k=1/(4/n-1/i-1/j);
						if(k<1){
							continue
						}
						if(k==(int)k){
							cout<<i<<" "<<j<<" "<<k;
							return 0;
						}
					}
				}
			}
		}
	}
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:47:65: error: expected ';' before '}' token
   47 |                                                         continue
      |                                                                 ^
      |                                                                 ;
   48 |                                                 }
      |                                                 ~
Language: C

#include <stdio.h>

int main(){
    
    int a,h,n,w,sum,tmp;
    scanf("%d",&a);
    
    while(true)
    {
        if (4*h > a)break;
        h++;
    }
    
    sum = 4 * h;
    n = h;
    tmp = a * h;
    
    while (true)
    {
        
        if (sum*n > a*n + tmp)break;
        n++;
    }
    
    sum *= n;
    tmp *= n;
    w = n;
    while (true)
    {
        
        if (sum*w == a*n*w + a*w*h + tmp)break;
        w++;
    }
    
    printf("%d %d %d",h,n,w)
    
    
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:8:11: error: 'true' undeclared (first use in this function)
    8 |     while(true)
      |           ^~~~
main.c:2:1: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include <stdio.h>
  +++ |+#include <stdbool.h>
    2 | 
main.c:8:11: note: each undeclared identifier is reported only once for each function it appears in
    8 |     while(true)
      |           ^~~~
main.c:35:29: error: expected ';' before 'return'
   35 |     printf("%d %d %d",h,n,w)
      |                             ^
      |                             ;
......
   38 |     return 0;
      |     ~~~~~~
Language: C++

#define _USE_MATH_DEFINES
#include <sstream> //string stream its useful!
#include<string>
#include<iostream>
#include<utility> //pair
#include <vector> // vector
#include <algorithm>    // swap,sort,binary_search
#include <functional>   // std::greater
#include <map> //map
#include<set> //set
#include<queue> //queue
#include<list> //list
#include<cmath>
#include<numeric>
#include<cassert>
#include <iomanip> //cout<<setprecision
#include <regex>
#include <ctype.h> //toupper case
#include <tuple>


using namespace std;
typedef long long ll;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
const ll W = 1000000007;
const int alphacount = 26;
const string atcoyes = "Yes";
const string atcono = "No";



void omajinai() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout<<setprecision(15);
}

class Main{
public:
    
    ll N; ll ans;
    Main(){
        std::cin>>N;
    }
    
    std::vector<int> getsoinsuu(ll child) {
        std::vector<int> ret;
        for(int i = 2 ; i<=sqrt(child); ++i){
            if(child%i == 0){
                child/=i;
                ret.push_back(i); i--; continue;
            }
        }
        if(child>=2) ret.push_back((int)child);
        return ret;
    }
    
    bool isOK(std::vector<int> &soinsuu , ll N, int W, int K){
        for(std::vector<int>::iterator it = soinsuu.begin();
            it<soinsuu.end();
            ++it){
            if(N%*it == 0){N/=*it; it = soinsuu.erase(it);}
        }for(std::vector<int>::iterator it = soinsuu.begin();
             it<soinsuu.end();
             ++it){
            if(W%*it == 0){W/=*it; it = soinsuu.erase(it);}
        }for(std::vector<int>::iterator it = soinsuu.begin();
             it<soinsuu.end();
             ++it){
            if(K%*it == 0){K/=*it; it = soinsuu.erase(it);}
        }
        ans = N * W * K;
        return soinsuu.empty();
    }
    void run(){
        const int maxval = 3500;
        for(int i = 0 ; i< maxval; i++){
            for(int j = 0; j < maxval; ++j){
                const int w = i; const int k = j;
                const ll child  = 4 * w * k - N * (w + k);
                if(child<=0) continue;
                std::vector<int> soinsuu = getsoinsuu(child);
                if(isOK(soinsuu,N,w,k)){
                    std::cout<<w<<" "<<K<<" "<<ans<<std::endl;
                    return ;
                }
            }
        }
    }
};

#ifndef gtest
int main(){
    omajinai();
    Main().run();
    return 0;
}
#endif


Compiler output:
a.cc: In member function 'void Main::run()':
a.cc:86:40: error: 'K' was not declared in this scope
   86 |                     std::cout<<w<<" "<<K<<" "<<ans<<std::endl;
      |                                        ^
Language: C++

//written by libra9z
#include <cassert>
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <algorithm>
#include <string>
#include <vector>
#include <list>
#include <deque>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <bitset>
#include <valarray>
#include <utility>
#include <numeric>
#include <memory>
#include <functional>
#include <stdexcept>
#include <typeinfo>
#include <limits>
#include <complex>
#include <locale>
using namespace std;
long long n;
int main()
{
	cin>>n;
	else if (n%2==0)
	{
		cout<<n/2<<" "<<n<<" "<<n<<endl;
		return 0;
	}
	else
	{
		for (long long i=2;;++i)
		{
			if (n%(i*3-1)==0)
			{
				cout<<(long long)n*i/(i*3-1)<<" "<<n<<" "<<(long long)n*i<<endl;
				return 0;
			}
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:9: error: 'else' without a previous 'if'
   46 |         else if (n%2==0)
      |         ^~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<functional>
#include <string>
#include<iomanip>
#include<cstdio>
#include<math.h>
#include<set>
#include<stack>
#include<map>
#include<queue>
#include<cstring>
#include<vector>
#include <type_traits>
typedef long long int ll;
#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define EREP(i,n) for(int i=(n-1);i>=0;--i)
#define D(n,retu) REP(i,n){cin>>retu[i];}
#define mod 1000000007
#define MIN -93193111451418101
#define INF 931931114518101
using namespace std;
typedef pair<ll, ll>P;
template<typename T, typename U>
std::enable_if_t<std::rank<T>::value == 0> fill_all(T& arr, const U& v) {
	arr = v;
}
template<typename ARR, typename U>
std::enable_if_t<std::rank<ARR>::value != 0> fill_all(ARR& arr, const U& v) {
	for (auto& i : arr) {
		fill_all(i, v);
	}
}
#define MAX_NUM 50
long long comb[MAX_NUM + 1][MAX_NUM + 1];

static void calc_comb()
{
	for (uint32_t i = 0; i <= MAX_NUM; i++) {
		for (uint32_t j = 0; j <= i; j++) {
			if ((j == 0) || (i == j)) {
				comb[i][j] = 1;
			}
			else {
				comb[i][j] = comb[i - 1][j - 1] + comb[i - 1][j];
			}
		}
	}
}
typedef pair<double, double> dop;
//------------------変数-----------------------//
double x, y, N, m;

//-------------------関数----------------------//
int main() {
	cin >> N;
	REP(i, 3600) {
		REP(j, 3600) {
			double h = i + 1, n = j + 1, w;
			double hoge = w = 1.0 / (4 / N - 1 / h - 1 / n);
			if (hoge < 0) { continue; }
			ll cnt = 0;
			cnt = round(hoge);
			hoge = hoge - round(hoge);
			hoge = abs(hoge);
			if (hoge < 0.0000001) {
				cout << (ll)h << " " << (ll)n << " " << cnt << endl; return 0;
			}

		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'void calc_comb()':
a.cc:40:14: error: 'uint32_t' was not declared in this scope
   40 |         for (uint32_t i = 0; i <= MAX_NUM; i++) {
      |              ^~~~~~~~
a.cc:13:1: note: 'uint32_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
   12 | #include<cstring>
  +++ |+#include <cstdint>
   13 | #include<vector>
a.cc:40:30: error: 'i' was not declared in this scope
   40 |         for (uint32_t i = 0; i <= MAX_NUM; i++) {
      |                              ^
a.cc:41:30: error: expected ';' before 'j'
   41 |                 for (uint32_t j = 0; j <= i; j++) {
      |                              ^~
      |                              ;
a.cc:41:38: error: 'j' was not declared in this scope; did you mean 'jn'?
   41 |                 for (uint32_t j = 0; j <= i; j++) {
      |                                      ^
      |                                      jn
Language: C++

#include <cstdio>
#include <map>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <set>
#include <map>
#include <vector>
#include <queue>

using namespace std;

const int MX = 6300500;
const int SZ = 3500;

#define pii pair<int,int>
pair<pii, pii> r[MX];

int gcd(int x, int y){
    while(x > 0 && y > 0){
        if(x > y) x %= y; else y %= x;
    }
    return x + y;
}

bool cmp(const pair<pii,pii> &x, const pair<pii,pii> &y){
//    return x.first.first / x.first.second < y.first.first / y.first.second;
    return (long long)x.first.first * y.first.second  < (long long)y.first.first  * x.first.second;
}

int main(int argc, char** argv)
{
//    freopen("/Users/melnykroman/CLionProjects/cf/in.txt", "r", stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int k = 0;
    for(int a = 1; a <= SZ; a++){
        for(int b = a; b <= SZ; b++){
            r[k++] = {{a + b, a * b},{a, b}};
        }
    }
    sort(r, r + k, cmp);

    int n;
    cin >> n;

    int pos = k - 1;


    for(int c = SZ - 1; c > 0; c--){
        while(pos >= 0){
            long long x = r[pos].first.first;
            long long y = r[pos].first.second;
            long long p = x * c + y;
            long long q = y * c;
//            if(p / q == 4 / n)
            if(p * n == 4 * q) {
                cout << r[pos].second.first << ' ' << r[pos].second.second << ' ' << c << endl;
                return 0;
            }
            if(p * n < 4 * q) break;
//            if(r[pos].second == make_pair(3498, 3498))
//                cerr << c << ' ' << p << ' ' << q  << endl;
            pos--;
        }
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:42:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   42 |     sort(r, r + k, cmp);
      |     ^~~~
      |     short
Language: C++

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

int main(){
       priority_queue< pair<int,int> > q;
       int n,k,in,val,insum=0,valsum=0;
       scanf("%d%d",&n,&k);
       while(n--){
             scanf("%d%d",&in,&val);
             q.push( make_pair(val,-in) );
       }
       while(!q.empty()){

          if(-q.front().second | insum<=k){
             insum=-q.front().second | insum;
             valsum+=q.front().first;
}
             q.pop();

}
          printf("%d",valsum);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:17: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'front'
   14 |           if(-q.front().second | insum<=k){
      |                 ^~~~~
a.cc:15:23: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'front'
   15 |              insum=-q.front().second | insum;
      |                       ^~~~~
a.cc:16:24: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'front'
   16 |              valsum+=q.front().first;
      |                        ^~~~~