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

#include<bits/stdc++.h>

#define INF 1e9
#define llINF 1e18
#define MOD 1e9+7
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long
using namespace std;
int main(){
  ll h,w;cin>>h>>w;
  ll ans=llINF;
  if(h%3==0||w%3==0){
    cout<<0<<endl;
  }else{
    if(h%2&&w%2){
      ans=min(ans,h*(w/2)-(h/2)*(w/2));
      ans=min(ans,(h/3)*w);
      ans=min(ans,h*(w/3));
      ans=min(ans,(h/2)*w-(h/2)*(w/2));
    }else if(h%2&&w%2==0){
      ans=min(ans,h*(w/2)-((h/2)+1)*(w/2));
      ans=min(ans,(h/3)*w);
      ans=min(ans,h*(w/3));
      ans=min(ans,(h/2)*w-(h/2)*(w/2));
    }else if(h%2==0&&w%2){
      ans=min(ans,h*(w/2)-(h/2)*((w/2)+1));
      ans=min(ans,(h/3)*w);
      ans=min(ans,h*(w/3));
      ans=min(ans,(h/2)*w-(h/2)*(w/2));
    }else{
    ans=min(ans,h*(w/2)-(h/2)*(w/2));
    ans=min(ans,(h/3)*w);
    ans=min(ans,h*(w/3));
    ans=min(ans,(h/2)*w-

Compiler output:
a.cc: In function 'int main()':
a.cc:37:25: error: expected primary-expression at end of input
   37 |     ans=min(ans,(h/2)*w-
      |                         ^
a.cc:37:25: error: expected '}' at end of input
a.cc:33:10: note: to match this '{'
   33 |     }else{
      |          ^
a.cc:37:25: error: expected '}' at end of input
   37 |     ans=min(ans,(h/2)*w-
      |                         ^
a.cc:17:8: note: to match this '{'
   17 |   }else{
      |        ^
a.cc:37:25: error: expected '}' at end of input
   37 |     ans=min(ans,(h/2)*w-
      |                         ^
a.cc:12:11: note: to match this '{'
   12 | int main(){
      |           ^
Language: C++

#include <algorithm>
#include <cstring>
#include <deque>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <vector>
using namespace std;
using ll = long long;

ll diff(ll a, ll b, ll c) { return max({a, b, c}) - min({a, b, c}); }

int main() {
  ll H, W;
  cin >> H >> W;
  ll res = H * W;
  for (ll h = 1; h <= H; h++) {
    ll rem = H - h;
    if (rem >= 2) {
      ll h1 = rem / 2;
      ll h2 = rem - h1;
      res = min(res, diff(h * W, h1 * W, h2 * W));
    }
    if (rem >= 1) {
      ll w1 = W / 2;
      ll w2 = W - w1;
      res = min(res, diff(h * W, w1 * rem, w2 * rem));
    }
  }
  for (ll w = 1; w <= W; w++) {
    if (rem >= 2) {
      ll rem = W - w;
      ll w1 = rem / 2;
      ll w2 = rem - w1;
      res = min(res, diff(w * H, w1 * H, w2 * H));
    }
    if (rem >= 1) {
      ll h1 = H / 2;
      ll h2 = H - h1;
      res = min(res, diff(w * H, h1 * rem, h2 * rem));
    }
  }
  cout << res << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:9: error: 'rem' was not declared in this scope; did you mean 'res'?
   33 |     if (rem >= 2) {
      |         ^~~
      |         res
a.cc:34:10: error: redeclaration of 'll rem'
   34 |       ll rem = W - w;
      |          ^~~
a.cc:33:9: note: '<typeprefixerror>rem' previously declared here
   33 |     if (rem >= 2) {
      |         ^~~
a.cc:39:9: error: 'rem' was not declared in this scope; did you mean 'res'?
   39 |     if (rem >= 1) {
      |         ^~~
      |         res
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll solve(int h, int w) {
    ll Sa, Sb, Sc;
    for(int i=1; i<h; i++) {

    }
}

int main(void) {
    ll h, w, ans;
    cin >> h >> w;
    ans = h * w;
    for(int k=0;k<2;k++){
        for(int i=1;i<h;i++){
          int s1=i*w;
          int s2=(h-i)*(w/2);
          int s3=h*w-s1-s2;
          int tmp=max(max(s1,s2),s3)-min(min(s1,s2),s3);
          ans=min(ans,tmp);
        }
        swap(h,w);
    }
    ans = min(ans, h);
    ans = min(ans, w);
    if(h%3==0||w%3==0) ans=0;
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'll solve(int, int)':
a.cc:11:1: warning: no return statement in function returning non-void [-Wreturn-type]
   11 | }
      | ^
a.cc: In function 'int main()':
a.cc:23:18: error: no matching function for call to 'min(ll&, int&)'
   23 |           ans=min(ans,tmp);
      |               ~~~^~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:23:18: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   23 |           ans=min(ans,tmp);
      |               ~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:23:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   23 |           ans=min(ans,tmp);
      |               ~~~^~~~~~~~~
Language: C

#include<iostream>
#include<cstdio>
#include<queue>

using namespace std;

const int MAXN = 1e5+10;
int n ,  a[MAXN];
long long ans = -1e18 , f[MAXN] , r[MAXN];

int main()
{
    //freopen("B.inp" , "r" , stdin);
    //freopen("B.out" , "w" , stdout);
    scanf("%d",&n);
    for(int i = 1 ; i<=3*n ; i++)
        scanf("%d",&a[i]);
    priority_queue<int , vector<int> , greater<int> > q;
    for(int i = 1 ; i<=n ; i++)
    {
        q.push(a[i]);
        f[n] += a[i];
    }
    for(int i = n+1 ; i<=2*n ; i++)
    {
        if(a[i] <= q.top()) f[i]  = f[i-1];
        else
        {
            f[i]= f[i-1] + a[i] - q.top();
            q.pop();
            q.push(a[i]);
        }
    }

    priority_queue<int> qq;

    for(int i = 3*n ; i>=2*n+1 ; i--)
    {
        r[2*n+1] += a[i];
        qq.push(a[i]);
    }

    for(int i = 2*n ; i>=n+1 ; i--)
    {
        if(a[i] >= qq.top()) r[i] = r[i+1];
        else
        {
            r[i] = r[i+1] + a[i] - qq.top();
            qq.pop();
            qq.push(a[i]);
        }
    }

    for(int i = n ; i <= 2*n ; i++)
        ans = max(ans , f[i] - r[i+1]);

    printf("%lld",ans);

    return 0;
}


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

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

int check(int a,int b){
	int c[3];
	int s[2];
	c[0]=(a/3)*b;
	c[1]=(a-a/3)*(b/2);
	c[2]=a*b-c[0]-c[1];
	s[0]=max(c[0],c[1],c[2])-min(c[0],c[1],c[2]);
	c[0]=(a/3+1)*b;
	c[1]=(a-a/3-1)*(b/2);
	c[2]=a*b-c[0]-c[1];
	s[1]=max(c[0],c[1],c[2])-min(c[0],c[1],c[2]);
	s[0]=min(s[0],s[1]);
	return s[0];
}

int main(){
	int a,b;
	int s;
	cin>>a>>b;
	if(a%3==0 || b%3==0)s=0;
	else s=min(a,b);
	s=min(s,check(a,b),check(b,a));
	cout<<s<<endl;
	return 0;
}


Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:11:10:   required from here
   11 |         s[0]=max(c[0],c[1],c[2])-min(c[0],c[1],c[2]);
      |              ~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:11:30:   required from here
   11 |         s[0]=max(c[0],c[1],c[2])-min(c[0],c[1],c[2]);
      |                                  ~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>

long long int mymax(long long int a1, long long int a2, long long int a3)
{
	if (abs(a1 - a2) > abs(a2 - a3))
	{
		if (abs(a1 - a2) > abs(a1 - a3))
			return (a1 - a2);
		else return abs(a1 - a3);
	}
	else
	{
		if (abs(a2 - a3) > abs(a1 - a3))
			return abs(a2 - a3);
		else return abs(a1 - a3);	
	}
}

using namespace std;

int main()
{
	int h, w;
	long long int a1, a2, a3, a0, h0, w0;
	cin >> h0 >> w0;
	a0 = h0*w0;
	w = w0;
	if (!(h0 % 3) || !(w0 % 3))
		cout << "0" << endl;
	else
	{
		if (h0 >= w0)
		{
			h = ceil(h0 / 3.0);
			a1 = h*w;
			if (!((h0 - h) % 2) || !(w % 2))
				cout << abs(a1 - (h0 - h)*w/2) << endl;
			else
			{
				if ((h0 - h) >= w)
				{
					h = (h0 - h) / 2;
					a2 = h*w;
					a3 = a0 - a1 - a2;
					long long int list[3] = {a1,a2,a3};
					cout << mymax(list[0],list[1],list[2]) << endl;
				}
				else
				{
					int temp = h0 - h;
					h = w0 / 2;
					a2 = h*temp;
					a3 = a0 - a1 - a2;
					long long int list[3] = { a1,a2,a3 };
					cout << mymax(list[0], list[1], list[2]) << endl;
				}
			}
		}
		else
		{
			int temp = h0;
			h0 = w0;
			w0 = temp;
				h = ceil( h0 / 3.0);
				a1 = h*w0;
				if (!((h0 - h) % 2) || !(w0 % 2))
					cout << abs(a1 - (h0 - h)*w0 / 2) << endl;
				else
				{
					if ((h0 - h) >= w0)
					{
						h = (h0 - h) / 2;
						a2 = h*w0;
						a3 = a0 - a1 - a2;
						long long int list[3] = { a1,a2,a3 };
						cout << mymax(list[0], list[1], list[2]) << endl;
					}
					else
					{	
						int temp = h0 - h;
						h = w0 / 2;
						a2 = h*temp;
						a3 = a0 - a1 - a2;
						long long int list[3] = { a1,a2,a3 };
						cout << mymax(list[0], list[1], list[2]) << endl;
					}
				}
		}
	}
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:36:29: error: 'ceil' was not declared in this scope
   36 |                         h = ceil(h0 / 3.0);
      |                             ^~~~
a.cc:66:37: error: 'ceil' was not declared in this scope
   66 |                                 h = ceil( h0 / 3.0);
      |                                     ^~~~
Language: C

#include <vector>
#include <map>
#include <algorithm>
#include <iostream>
#include <utility>
#include <set>
#include <cctype>
#include <queue>
#include <stack>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <iterator>
#include <sstream>

#define FOR(i,a,b) for (long long i=(a);i<(b);i++)
#define RFOR(i,a,b) for (long long i=(b)-1;i>=(a);i--)
#define REP(i,n) for (long long i=0;i<(n);i++)
#define RREP(i,n) for (long long i=(n)-1;i>=0;i--)

#define inf INT_MAX/3
#define INF INT_MAX/3
#define llinf LLONG_MAX/3
#define LLINF LLONG_MAX/3
#define PB push_back
#define pb push_back
#define MP make_pair
#define mp make_pair
#define ALL(a) (a).begin(),(a).end()
#define all(a) (a).begin(),(a).end()
#define SET(a,c) memset(a,c,sizeof a)
#define CLR(a) memset(a,0,sizeof a)
#define PLL pair<long long,long long>
#define pcc pair<char,char>
#define pic pair<int,char>
#define pci pair<char,int>
#define VS vector<string>
#define VLL vector<long long>
#define VULL vector<unsigned long long>
#define debug(x) cout<<#x<<": "<<x<<endl
#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define MIN(a,b) (a>b?b:a)
#define MAX(a,b) (a>b?a:b)
#define pi 2*acos(0.0)
#define INFILE() freopen("in0.txt","r",stdin)
#define OUTFILE()freopen("out0.txt","w",stdout)
#define in scanf
#define out printf
#define LL long long
#define ll long long
#define ULL unsigned long long
#define ull unsigned long long
#define eps 1e-14
#define FST first
#define SCD second

using namespace std;

const LL ANS_MAX = 1000000007;
// ARC074C
int main()
{
	LL ret;

	LL H;
	LL W;
	cin >> H >> W;

	if (H % 3 == 0 || W % 3 == 0) {
		ret = 0;
	}
	else {
		LL h = (H > W) ? H : W;
		LL w = (H < W) ? H : W;
		{
			LL h0 = ceil((double)h / 3);
			LL h1 = h - h0;
			LL w1 = w / 2;
			ret = abs(h0 * w - h1 * w1);
		}
		{
			LL h0 = floor((double)h / 3);
			LL h1 = h - h0;
			LL w1 = w / 2;
			ret = MIN(ret, abs(h0 * w - h1 * w1));
		}
	}

	cout << ret << endl;
	cin >> ret;

	return 0;
}


Compiler output:
main.c:1:10: fatal error: vector: No such file or directory
    1 | #include <vector>
      |          ^~~~~~~~
compilation terminated.
Language: C++

h,w=gets.split.map(&:to_i)
ans=Array.new(6)
if h%3==0 || w%3==0
	answer=0
else
	k=h#とする
	mul=h*w
	trip=mul/3 #6
	for i in 0..2
		green=(trip/h+i)*h
		
		blue=(w-(trip/h+i))*(h/2) 
		
		red=mul-green-blue
		if green==0 || blue==0 || red==0
			next
		end
		num= (green-blue).abs > (green-red).abs ? blue : red
		
		ans[i]=(green-num).abs
	end
	for i in 0..2
		green=(trip/w+i)*w
		
		blue=(h-(trip/w+i))*(w/2)
		
		red=mul-green-blue
		if green==0 || blue==0 || red==0
			next
		end
		num= (green-blue).abs > (green-red).abs ? blue : red
		ans[3+i]=(green-num).abs
	end
	ans.compact!
	answer=ans.min
end

puts answer




Compiler output:
a.cc:6:12: error: stray '#' in program
    6 |         k=h#とする
      |            ^
a.cc:8:20: error: stray '#' in program
    8 |         trip=mul/3 #6
      |                    ^
a.cc:9:18: error: too many decimal points in number
    9 |         for i in 0..2
      |                  ^~~~
a.cc:22:18: error: too many decimal points in number
   22 |         for i in 0..2
      |                  ^~~~
a.cc:1:1: error: 'h' does not name a type
    1 | h,w=gets.split.map(&:to_i)
      | ^
Language: Java

import java.util.*;

public class C {
  public static int bunkatsu(int h, int w){
    int smin = Integer.MAX_VALUE;
    for (int ha = 1; ha < h; ha++){
      // yoko
      int[] s = new int[3];
      s[0] = ha * w;
      int wb = w/2;
      s[1] = (h-ha)*wb;
      s[2] = (h-ha)*(w-wb);
      Arrays.sort(s);
      int tmp = s[2] - s[0];
      if (tmp < smin) {
        smin = tmp;
      }

      //tate
      // int[] s = new int[3];
      s[0] = ha * w;
      int hb = (h-ha)/2;
      s[1] = hb * w;
      s[2] = (h-ha-hb) * w;
      Arrays.sort(s);
      tmp = s[2] - s[0];
      if (tmp < smin) {
        smin = tmp;
      }

    }
    return smin;
  }

  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int h = Integer.parseInt(sc.next());
    int w = Integer.parseInt(sc.next());
    int t1 = bunkatsu(h, w);
    int t2 = bunkatsu(w, h);
    System.out.println(t1 > t2 ? t2 : t1);
  }

}


Compiler output:
Main.java:3: error: class C is public, should be declared in a file named C.java
public class C {
       ^
1 error
Language: C++

#include<iostream>
#include<math.h>
#include<set>
#include<algorithm>
#include<vector>
#include<iomanip>
using namespace std;


int ans = INT_MAX;
static long parseans(long j, long l)
{
    string k = "";
    long cur = 0;
    for (int i = (int) j; i <= l; ++i)
    {
        cur *= 10;
        cur += k[i] - '0';
    }
    return cur;
}

static long gcd(long a, long b)
{
    if (b == 0)
    {
        return a;
    } else
    {
        return gcd(b, a % b);
    }
}

static bool pri(int k)
{
    if (k == 1) return false;
    for (int i = 2; i * i <= k; i++)
    {
        
        if (k % i == 0) return false;
    }
    return true;
}



int main()
{
    double h , w;
    cin >> h >> w;
    int ans = 1000000000;
    for(int i = 1; i < h; i++)
    {
        int  A = w * i;
        int  B = w * floor(((h - i)/2));
        int  C = w * ceil(((h - i) /2 ));
        if(A && B && C)
        ans = min(ans , max(abs(B - C), max(abs(C - A) , abs(A - B))));
      //  cout << A << " " << B << " " << C << "\n";
      //  cout << ans << "\n";
    }
   // return 0;
    for(int i = 1; i < h; i++)
    {
        int  A = w * i;
        int  B = (h - i) * floor((w)/2);
        int  C = (h - i) * ceil((w)/2);
        if(A && B && C)
        ans = min(ans , max(abs(B - C), max(abs(C - A) , abs(A - B))));
    }
   // cout << ans << "\n";
    for(int i = 1; i < w; i++)
    {
        int  A =  h * i;
        int  B =  h * floor((w-i)/2);
        int  C =  h * ceil((w-i)/2);
        if(A && B && C)
        ans = min(ans , max(abs(B - C), max(abs(C - A) , abs(A - B))));
    }
   // cout << ans << "\n";
    for(int i = 1; i < w; i++)
    {
        int  A = h * i;
        int  B = (w - i) * floor((h)/2);
        int  C = (w - i) * ceil((h)/2);
        if(A && B && C)
        ans = min(ans , max(abs(B - C), max(abs(C - A) , abs(A - B))));
    }
    cout << ans << "\n";
    return 0;
  }

Compiler output:
a.cc:10:11: error: 'INT_MAX' was not declared in this scope
   10 | int ans = INT_MAX;
      |           ^~~~~~~
a.cc:7:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include<iomanip>
  +++ |+#include <climits>
    7 | using namespace std;
Language: C++

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

int test(int h,int w,int ans){
  int a[3];
  a[0]=x*w;
  a[1]=(h-x)*(w/2);
  a[2]=(h-x)*(w-(w/2));
  sort(a,a+3);
  if((a[2]-a[0])<ans){
    ans=a[2]-a[0];
  }

  a[0]=(x+1)*w;
  a[1]=(h-x-1)*(w/2);
  a[2]=(h-x-1)*(w-(w/2));
  sort(a,a+3);
  if((a[2]-a[0])<ans){
    ans=a[2]-a[0];
  }

  return ans;
}


main(){
  int h,w;
  int x,y;
  int ans=10000000;
  cin >> h >> w;

  if(h%3==0 || w%3==0){
    cout << 0 <<endl;
  }else{
    if(h<w){
      ans=h;
    }else{
      ans=w;
    }

    ans=test(h,w,ans);
    ans=test(w,h,ans);

    cout << ans <<endl;
  }
}


Compiler output:
a.cc: In function 'int test(int, int, int)':
a.cc:7:8: error: 'x' was not declared in this scope
    7 |   a[0]=x*w;
      |        ^
a.cc: At global scope:
a.cc:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   27 | main(){
      | ^~~~
Language: C++

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

int test(int h,int w,int ans){
  a[0]=x*w;
  a[1]=(h-x)*(w/2);
  a[2]=(h-x)*(w-(w/2));
  sort(a,a+3);
  if((a[2]-a[0])<ans){
    ans=a[2]-a[0];
  }

  a[0]=(x+1)*w;
  a[1]=(h-x-1)*(w/2);
  a[2]=(h-x-1)*(w-(w/2));
  sort(a,a+3);
  if((a[2]-a[0])<ans){
    ans=a[2]-a[0];
  }

  return ans;
}


main(){
  int h,w;
  int x,y,a[3];
  int ans=10000000;
  cin >> h >> w;

  if(h%3==0 || w%3==0){
    cout << 0 <<endl;
  }else{
    if(h<w){
      ans=h;
    }else{
      ans=w;
    }

    ans=test(h,w,ans);
    ans=test(w,h,ans);

    cout << ans <<endl;
  }
}

Compiler output:
a.cc: In function 'int test(int, int, int)':
a.cc:6:3: error: 'a' was not declared in this scope
    6 |   a[0]=x*w;
      |   ^
a.cc:6:8: error: 'x' was not declared in this scope
    6 |   a[0]=x*w;
      |        ^
a.cc: At global scope:
a.cc:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      | ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long l;
l h,w,n,i;
k(l a,l b){for(i=0;i<a;i++)n=min(n,max(i*b,(b/2+(b%2?1:0))*(a-i))-min(i*b,(b/2)*(a-i)));}
main(){scanf("%d%d",%h,%w),n=h%3&&w%3?min(h,w):0,k(h,w),k(w,h),cout<<n;}

Compiler output:
a.cc:5:1: error: ISO C++ forbids declaration of 'k' with no type [-fpermissive]
    5 | k(l a,l b){for(i=0;i<a;i++)n=min(n,max(i*b,(b/2+(b%2?1:0))*(a-i))-min(i*b,(b/2)*(a-i)));}
      | ^
a.cc: In function 'int k(l, l)':
a.cc:5:89: warning: no return statement in function returning non-void [-Wreturn-type]
    5 | k(l a,l b){for(i=0;i<a;i++)n=min(n,max(i*b,(b/2+(b%2?1:0))*(a-i))-min(i*b,(b/2)*(a-i)));}
      |                                                                                         ^
a.cc: At global scope:
a.cc:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){scanf("%d%d",%h,%w),n=h%3&&w%3?min(h,w):0,k(h,w),k(w,h),cout<<n;}
      | ^~~~
a.cc: In function 'int main()':
a.cc:6:21: error: expected primary-expression before '%' token
    6 | main(){scanf("%d%d",%h,%w),n=h%3&&w%3?min(h,w):0,k(h,w),k(w,h),cout<<n;}
      |                     ^
a.cc:6:24: error: expected primary-expression before '%' token
    6 | main(){scanf("%d%d",%h,%w),n=h%3&&w%3?min(h,w):0,k(h,w),k(w,h),cout<<n;}
      |                        ^
Language: Java

package test;

import java.util.Scanner;

public class ChocolateBar {
 public static double CutBar(int H, int W) {
	 if (H*W%3==0)  
		 return 0;
	 else if(H<W) 
		 return H*Math.floor(W/2)-(W-Math.floor(W/2))*Math.floor(H/2);
	 else  
		 return  W*Math.floor(H/2)-(H-Math.floor(H/2))*Math.floor(W/2);
 }
 
 public static void main(String[] args){
	 System.out.println("input H:");
	 int H=new Scanner(System.in).nextInt();
	 System.out.println("input W:");
	 int W=new Scanner(System.in).nextInt();		 
	 System.out.println("result:"+(int)CutBar(H,W));
	 
 }
 
 
}


Compiler output:
Main.java:5: error: class ChocolateBar is public, should be declared in a file named ChocolateBar.java
public class ChocolateBar {
       ^
1 error
Language: Java

int x=H;
int y=W;
if(H*W%3==0) return 0;
else if(H<<W) return H*[W/2]-(W-[W/2])*[H/2];
else return [H/2]*W-(H-[H/2])*[W/2];

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
int x=H;
^
  (use --enable-preview to enable unnamed classes)
Main.java:3: error: class, interface, enum, or record expected
if(H*W%3==0) return 0;
^
Main.java:4: error: class, interface, enum, or record expected
else if(H<<W) return H*[W/2]-(W-[W/2])*[H/2];
^
Main.java:5: error: class, interface, enum, or record expected
else return [H/2]*W-(H-[H/2])*[W/2];
^
4 errors
Language: C++

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cctype>
#include <iostream>
#include <sstream>
#include <algorithm>
#include <string>
#include <string.h>
#include <utility>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>

using namespace std;
typedef long long ll;

#ifndef INT_MAX
#  define INT_MAX std::numeric_limits<int>().max()
#endif
#ifndef INT_MIN
#  define INT_MIN std::numeric_limits<int>().min()
#endif
#define LL_MAX std::numeric_limits<ll>().max()
#define LL_MIN std::numeric_limits<ll>().min()
#define INF LL_MAX

#define REP(i,n) for(int i=0;i<n;++i)
#define SORT(name) sort(name.begin(), name.end())

ll H, W;

ll search(ll longer, ll shorter) {
    ll cur_l = longer / 2;
    ll s1 = (shorter / 2) * (longer - cur_l);
    ll s2 = shorter * cur_l;
    ll s3 = W * H - s1 - s2;
    ll min_s = min(min(s1, s2), s3);
    ll max_s = max(max(s1, s2), s3);
    ll ans = abs(max_s - min_s);
    if(ans == 0) {
        return 0;
    }
    ll cur_ans = ans;
    REP(i, 50000) {
        //if(s1 > s2) { cur_l++; }
        //else { cur_l--;}
        cur_l--;
        s1 = (shorter / 2) * (longer - cur_l);
        s2 = shorter * cur_l;
        s3 = W * H - s1 - s2;
        min_s = min(min(s1, s2), s3);
        max_s = max(max(s1, s2), s3);
        cur_ans = abs(max_s - min_s);
        if(cur_ans > ans) { break; }
        ans = cur_ans;
    }
    return ans;
}

int main()
{
    cin >> H >> W;

    if(H % 3 == 0 || W % 3 == 0) {
        printf("0\n");
        return 0;
    }
    if((H % 2 == 0 && W % 2 == 0) ||
       (H % 2 != 0 && W % 2 != 0)) {
        ll longer = (H > W) ? H : W;
        ll shorter = (H < W) ? H : W;
        printf("%lld\n", min(search(longer, shorter), search(shorter, longer));
        return 0;
    }
    if(H % 2 == 0 || W % 2 ==0) {
        ll even = (H % 2 ==0) ? H : W;
        ll odd = (H % 2 ==0) ? W : H;
        printf("%lld\n", search(odd, even));
        return 0;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:75:79: error: expected ')' before ';' token
   75 |         printf("%lld\n", min(search(longer, shorter), search(shorter, longer));
      |               ~                                                               ^
      |                                                                               )
Language: C++

#include <iostream>
using namespace std;

long minsub(long a, long b, long c)
{
    long min, max;
    if (a < b)
    {
        min = a;
        max = b;
    }
    else
    {
        min = b;
        max = a;
    }

    if (c < min)
    {
        min = c;
    }

    if (max < c)
    {
        max = c;
    }

    return max - min;
}

int main()
{
    long H, W;
    cin >> H >> W;

    if (0 == H % 3 || 0 == W % 3)
    {
        cout << 0 << endl;
    }
    else if (0 == H % 2 || 0 == W % 2)
    {
        long mins = LONG_MAX;
        if (0 == H % 2)
        {
            mins = min(
                abs(H * (W / 3) - (H / 2) * (W - W / 3)),
                abs(H * (W / 3 + 1) - (H / 2) * (W - W / 3 - 1)));
        }
        if (0 == W % 2)
        {
            mins = min(mins,
                      min(
                          abs(W * (H / 3) - (W / 2) * (H - H / 3)),
                          abs(W * (H / 3 + 1) - (W / 2) * (H - H / 3 - 1))));
        }

        cout << mins << endl;
    }
    else
    {
        long a1 = H * (W / 3), a2 = (H / 2) * (W - W / 3), a3 = (H / 2 + 1) * (W - W / 3);
        long a4 = H * (W / 3 + 1), a5 = (H / 2) * (W - W / 3 - 1), a6 = (H / 2 + 1) * (W - W / 3 - 1);
        long b1 = W * (H / 3), b2 = (W / 2) * (H - H / 3), b3 = (W / 2 + 1) * (H - H / 3);
        long b4 = W * (H / 3 + 1), b5 = (W / 2) * (H - H / 3 - 1), b6 = (W / 2 + 1) * (H - H / 3 - 1);
        cout << min(
                    min(
                        minsub(a1, a2, a3),
                        minsub(a4, a5, a6)),
                    min(
                        minsub(b1, b2, b3),
                        minsub(b4, b5, b6)))
             << endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:21: error: 'LONG_MAX' was not declared in this scope
   42 |         long mins = LONG_MAX;
      |                     ^~~~~~~~
a.cc:2:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include <iostream>
  +++ |+#include <climits>
    2 | using namespace std;
Language: C++

import java.util.*;

public class Main {
	
	/*
	 * default function
	 * */	
	int ni() {
		return cin.nextInt();
	}
	
	long nl() {
		return cin.nextLong();
	}
	
	String line() {
		return cin.nextLine();
	}
	
	void println(String str) {	
		System.out.println(str);
	}
	
	void print(String str) {
		System.out.print(str);
	}
	
	/*
	 * default variable
	 */
	
	static final int MOD = 1000000007;
	
	Scanner cin = new Scanner(System.in);	
	String  output;
	
	public static void main(String[] args) {			
		new Main().run();						
	}
	/* default above */
		
	public void run() {
			
		input();
		/* 
		 * start
		 */	
		
		int res = solve();
		
		/*
		 * finish
		 */
		
		output = res +"";
		println(output);
			
	}
	/* 
	 * define variable
	 */
	
	int H, W;
	
	void input() {
		H = ni();
		W = ni();
		
		if (W > H) {
			W = H + W;
			H = W - H;
			W = W - H;
		}
	}
	
	int solve() {
		
		if (H % 3 == 0 || W % 3 == 0) {
			return 0;
		}
		
		if (W == 2) {
			return 1;
		}
		
		return cal(H, W);		
	}
	
	int cal(long h, long w) {
		
		long res = Long.MAX_VALUE;
		
		
		long a[] = new long[3];
		a[0] = (h / 2) * w;
		a[1] = (h - h/2) * (w / 2);
		a[2] = (h - h/2) * (w - w/2);
		Arrays.sort(a);
		res = Math.min(res, a[2] - a[0]);
		
		
		a[0] = (h/3) * w;
		a[1] = (h - h/3) * (w/2);
		a[2] = (h - h/3) * (w - w/2);
		Arrays.sort(a);
		res = Math.min(res, a[2] - a[0]);
		
		
		return (int)res;
	}
	
	
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
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<iostream>
using namespace std;


int main(){
 
  long int H,W;
  cin>>H>>W;
  long int minn=1000000000;
  long int s1,s2,s3;
  if(H%3==0||W%3==0) {cout<<0<<endl; return 0;}
  
  //divide W
  for(long int i=1;i<H;i++){
    s1=W*i;
    s3=max((H-i)*(W/2),W*(H-i)/2);
    s2=W*(H-i)-s3;
    long int maxs=max(s1,s2,s3);
    long int mins=min(s1,s2,s3);
    minn=min(maxs-mins,minn);
  }
   long int tmp;
    tmp=H;
   H=W;
   W=tmp;
     for(long int i=1;i<H;i++){
    s1=W*i;
    s3=max((H-i)*(W/2),W*(H-i)/2);
    s2=W*(H-i)-s3;
    long int maxs=max(s1,s2,s3);
    long int mins=min(s1,s2,s3);
    minn=min(maxs-mins,minn);
  }
  cout<<minn<<endl;
  
  return 0;
}

Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long int; _Compare = long int]':
a.cc:18:22:   required from here
   18 |     long int maxs=max(s1,s2,s3);
      |                   ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long int; _Compare = long int]':
a.cc:19:22:   required from here
   19 |     long int mins=min(s1,s2,s3);
      |                   ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;


int main(){
 
  long int H,W;
  cin>>H>>W;
  long int minn=1000000000;
  long int s1,s2,s3;
  if(H%3==0||W%3==0) {cout<<0<<endl; return 0;}
  
  //divide W
  for(long int i=1;i<H;i++){
    s1=W*i;
    s3=max((H-i)*(W/2),W*(H-i)/2);
    s2=W*(H-i)-s3;
    long int maxs=max(s1,s2,s3);
    long int mins=min(s1,s2,s3);
    minn=min(maxs-mins,minn);
  }
  swap(H,W);
     for(long int i=1;i<H;i++){
    s1=W*i;
    s3=max((H-i)*(W/2),W*(H-i)/2);
    s2=W*(H-i)-s3;
    long int maxs=max(s1,s2,s3);
    long int mins=min(s1,s2,s3);
    minn=min(maxs-mins,minn);
  }
  cout<<minn<<endl;
  
  return 0;
}

Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long int; _Compare = long int]':
a.cc:18:22:   required from here
   18 |     long int maxs=max(s1,s2,s3);
      |                   ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long int; _Compare = long int]':
a.cc:19:22:   required from here
   19 |     long int mins=min(s1,s2,s3);
      |                   ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;


int main(){
 
  long int H,W;
  cin>>H>>W;
  long int minn=1000000000;
  long int s1,s2,s3;
  if(H%3==0||W%3==0) {cout<<0<<endl; return 0;}
  
  //divide W
  for(long int i=1;i<=H/2;i++){
    s1=W*i;
    s3=max((H-i)*(W/2),W*((H-i)/2));
    s2=(H-i)*(W-W/2);
    long int maxs=max(s1,s2,s3);
    long int mins=min(s1,s2,s3);
    minn=min(maxs-mins,minn);
  }
  swap(H,W);
    for(long int i=1;i<=H/2;i++){
    s1=W*i;
    s3=max((H-i)*(W/2),W*((H-i)/2));
    s2=(H-i)*(W-W/2);
    long int maxs=max(s1,s2,s3);
    long int mins=min(s1,s2,s3);
    minn=min(maxs-mins,minn);
  }
  cout<<minn<<endl;
  
  return 0;
}

Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long int; _Compare = long int]':
a.cc:18:22:   required from here
   18 |     long int maxs=max(s1,s2,s3);
      |                   ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long int; _Compare = long int]':
a.cc:19:22:   required from here
   19 |     long int mins=min(s1,s2,s3);
      |                   ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;


int main(){
 
  long int H,W;
  cin>>H>>W;
  long int minn=INT_MAX;
  long int s1,s2,s3;
  if(H%3==0||W%3==0) {cout<<0<<endl; return 0;}
  
  //divide W
  for(long int i=1;i<H;i++){
    s1=W*i;
    s3=(H-i)*(W/2);
    s2=(H-i)*(W-W/2);
    long int maxs=max(s1,s2);
    long int mins=min(s1,s3);
    minn=min(maxs-mins,minn);
  }
  //divide H
  for(long int i=1;i<W;i++){
    s1=H*i;
    s3=(W-i)*(H/2);
    s2=(W-i)*(H-H/2);
    long int maxs=max(s1,s2);
    long int mins=min(s1,s3);
    minn=min(maxs-mins,minn);
  }
  cout<<minn<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'INT_MAX' was not declared in this scope
    9 |   long int minn=INT_MAX;
      |                 ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include<iostream>
  +++ |+#include <climits>
    2 | using namespace std;
Language: C++

#include<iostream>
using namespace std;


int main(){
 
  long int H,W;
  cin>>H>>W;
  long int minn=INT_MAX;
  long int s1,s2,s3;
  if(H%3==0||W%3==0) {cout<<0<<endl; return 0;}
  
  //divide W
  for(long int i=1;i<=H/2;i++){
    s1=W*i;
    s3=(H-i)*(W/2);
    s2=(H-i)*(W-W/2);
    long int maxs=max(s1,s2);
    long int mins=min(s1,s3);
    minn=min(maxs-mins,minn);
  }
  //divide H
  for(long int i=1;i<=W/2;i++){
    s1=H*i;
    s3=(W-i)*(H/2);
    s2=(W-i)*(H-H/2);
    long int maxs=max(s1,s2);
    long int mins=min(s1,s3);
    minn=min(maxs-mins,minn);
  }
  cout<<minn<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'INT_MAX' was not declared in this scope
    9 |   long int minn=INT_MAX;
      |                 ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include<iostream>
  +++ |+#include <climits>
    2 | using namespace std;
Language: C++

a;f(H,W){for(long i=H,x,y,z,t;i--;a=t<a?t:a)x=(H-i)*W,y=W/2*i,z=(W+1)/2*i,t=x>z?x-y:x<y?z-x:i;}main(H,W){scanf("%d%d",&H,&W);printf("%d\n",H%3&&W%3?a=H<W?H:W,f(H,W),f(W,H),a:0);}

Compiler output:
a.cc:1:1: error: 'a' does not name a type
    1 | a;f(H,W){for(long i=H,x,y,z,t;i--;a=t<a?t:a)x=(H-i)*W,y=W/2*i,z=(W+1)/2*i,t=x>z?x-y:x<y?z-x:i;}main(H,W){scanf("%d%d",&H,&W);printf("%d\n",H%3&&W%3?a=H<W?H:W,f(H,W),f(W,H),a:0);}
      | ^
a.cc:1:4: error: expected constructor, destructor, or type conversion before '(' token
    1 | a;f(H,W){for(long i=H,x,y,z,t;i--;a=t<a?t:a)x=(H-i)*W,y=W/2*i,z=(W+1)/2*i,t=x>z?x-y:x<y?z-x:i;}main(H,W){scanf("%d%d",&H,&W);printf("%d\n",H%3&&W%3?a=H<W?H:W,f(H,W),f(W,H),a:0);}
      |    ^
a.cc:1:100: error: expected constructor, destructor, or type conversion before '(' token
    1 | a;f(H,W){for(long i=H,x,y,z,t;i--;a=t<a?t:a)x=(H-i)*W,y=W/2*i,z=(W+1)/2*i,t=x>z?x-y:x<y?z-x:i;}main(H,W){scanf("%d%d",&H,&W);printf("%d\n",H%3&&W%3?a=H<W?H:W,f(H,W),f(W,H),a:0);}
      |                                                                                                    ^
Language: C++

#include <vector>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <string>
#include <cstring>
using namespace std;

#define INF 1000000

int main() {
    long H, W;
    long ans = INF;
    cin >> H >> W;
    
    if ( H % 3 == 0 || W % 3 == 0) {
        cout << 0 << endl;
        return 0;
    }

    for ( int i = 1; i < H; i++ ) {
        long w = W / 2;
        long h = (H - i) / 2;
        if ( h == 0 || w == 0) break;
        ans = min(max(i * W, (H - i) * (W - w)) - min(i * W, (H - i) * w), ans);
        ans = min(max(i * W, (H - i - h) * W) - min(i * W, h * W), ans);
    }
    
    for ( int i = 1; i < W; i++ ) {
        long h = H / 2;
        long w = (W - i) / 2;
        if ( w == 0 || h == 0) break;
        ans = min(max(i * H, (W - i) * (H - h)) - min(i * H, (W - i) * h), ans);
        ans = min(max(i * H, (W - i - w) * H) - min(i * H, w * H), ans);
    }

    cout << ans << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'cin' was not declared in this scope
   14 |     cin >> H >> W;
      |     ^~~
a.cc:7:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    6 | #include <cstring>
  +++ |+#include <iostream>
    7 | using namespace std;
a.cc:17:9: error: 'cout' was not declared in this scope
   17 |         cout << 0 << endl;
      |         ^~~~
a.cc:17:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:17:22: error: 'endl' was not declared in this scope
   17 |         cout << 0 << endl;
      |                      ^~~~
a.cc:7:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    6 | #include <cstring>
  +++ |+#include <ostream>
    7 | using namespace std;
a.cc:37:5: error: 'cout' was not declared in this scope
   37 |     cout << ans << endl;
      |     ^~~~
a.cc:37:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:37:20: error: 'endl' was not declared in this scope
   37 |     cout << ans << endl;
      |                    ^~~~
a.cc:37:20: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include<bits/stdc++.h>
#define LL long long
const LL INF=1e20;
LL sum[4]
LL t[3];
using namespace std;
LL n,m;
int main()
{
	scanf("%lld%lld",&n,&m);
	if(n%3==0||m%3==0)
	{
		printf("0");
	}
	sum[0]=(LL)0;
	sum[1]=(LL)0;
	sum[2]=INF;
	sum[3]=INF;
	else
	{
		LL x=m/2;
		LL y=m-m/2;
		LL a=n/2;
		LL b=n-n/2;
		sum[0]=n*((m-2*(m/3))-m/3);
		sum[1]=m*((n-2*(n/3))-n/3);
		for(LL i=1;i<n;i++)
		{
			t[0]=i*y;
			t[1]=i*x;
			t[2]=m*n-t[0]-t[1];
			sort(t,t+3);
			sum[2]=min(sum[2],t[2]-t[0]);
		}
		for(LL i=1;i<m;i++)
		{
			t[0]=i*b;
			t[1]=i*a;
			t[2]=m*n-t[0]-t[1];
			sort(t,t+3);
			sum[3]=min(sum[3],t[2]-t[0]);
		}
		sort(sum,sum+4);
		printf("%lld",sum[0]);
	}
 
	return 0;
}

Compiler output:
a.cc:3:14: warning: overflow in conversion from 'double' to 'long long int' changes value from '1.0e+20' to '9223372036854775807' [-Woverflow]
    3 | const LL INF=1e20;
      |              ^~~~
a.cc:2:12: error: expected initializer before 'long'
    2 | #define LL long long
      |            ^~~~
a.cc:5:1: note: in expansion of macro 'LL'
    5 | LL t[3];
      | ^~
a.cc: In function 'int main()':
a.cc:15:9: error: 'sum' was not declared in this scope
   15 |         sum[0]=(LL)0;
      |         ^~~
a.cc:19:9: error: 'else' without a previous 'if'
   19 |         else
      |         ^~~~
a.cc:29:25: error: 't' was not declared in this scope
   29 |                         t[0]=i*y;
      |                         ^
a.cc:37:25: error: 't' was not declared in this scope
   37 |                         t[0]=i*b;
      |                         ^
Language: C

#include<stdio.h>
int MIN(int a,int b){return a<b?a:b;}
int MAX(int a,int b){return a<b?b:a;}
int f(int a,int b,int c){
  return MAX(a,MAX(b,c))-MIN(a,MIN(b,c));
}
int main(){
  int a,b,c,d,e,g,min;
  scanf("%d %d",&a,&b);
  if(a%3==0||b%3==0){
    print("0\n");
    return 0;
  }
  c=a/3;
  d=b/3;
  e=a/2;
  g=b/2;
  min=1e9;
  min=MIN(min,f(c*b,(a-c)*e,(a-c)*(b-e)));
  min=MIN(min,f((a-c)*b,a*e,a*(b-e)));
  printf("%d\n",min);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:11:5: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   11 |     print("0\n");
      |     ^~~~~
      |     printf
Language: C

#include<stdio.h>
int MIN(int a,int b){return a<b?a:b;}
int MAX(int a,int b){return a<b?b:a;}
int f(int a,int b,int c){
  return MAX(a,MAX(b,c))-MIN(a,MIN(b,c));
}
int main(){
  int a,b,c,d,e,g;
  scanf("%d %d",&a,&b);
  if(a%3==0||b%3==0){
    print("0\n");
    return 0;
  }
  c=a/3;
  d=b/3;
  e=a/2;
  g=b/2;
  min=1e9;
  min=MIN(min,f(c*b,(a-c)*e,(a-c)*(b-e)));
  min=MIN(min,f((a-c)*b,a*e,a*(b-e)));
  printf("%d\n",min);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:11:5: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   11 |     print("0\n");
      |     ^~~~~
      |     printf
main.c:18:3: error: 'min' undeclared (first use in this function); did you mean 'main'?
   18 |   min=1e9;
      |   ^~~
      |   main
main.c:18:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int h0,w0,ANS[1000000],h,w;
int ans(int r){
    int s[3];
    s[0]=h*r;
    w-=r;
    if(h>w){int t=w;w=h;h=t;}
    if(h%2==0||w%2==0){
        s[1]=w*h/2;
        s[2]=w*h/2;
    }else{
        s[1]=h*(w/2);
        s[2]=h*w-s[1];
    }
    sort(s,s+3);
    return s[2]-s[0];
}
int main(){
    cin>>h0>>w0;
    h=h0;w=w0;
    //if(h0%3==0||w0%3==0)cout<<0<<endl;
    else{
        for(int i=0;i<w0;i++){
            h=h0;w=w0;
            ANS[i]=ans(i);
        }
        sort(ANS,ANS+w0);
        int a1=ANS[0];
        for(int i=0;i<h0;i++){
            h=w0;w=h0;
            ANS[i]=ans(i);
        }
        sort(ANS,ANS+h0);
        int a2=ANS[0];
        cout<<min(a1,a2)<<endl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:5: error: 'else' without a previous 'if'
   26 |     else{
      |     ^~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <sstream>
#include <algorithm>
using namespace std;
#define pb push_back
#define mp make_pair
#define ms(a, b)  memset((a), (b), sizeof(a))
#define eps 0.0000001
typedef long long LL;
typedef unsigned long long ULL;
const int inf = 0x3f3f3f3f;
const LL INF = 0x7fffffff;
const int maxn = 1e6+10;
const int mod = 1e9+7;

void init() {

}
void solve() {
    int H, W;
    cin >> H >> W;
    if(H%3==0|| W%3==0) {
        cout << "0" << endl;
        return;
    } else {
        int ans = inf;
        int s1, s2, s3, s4;
        for(int i = 1; i<=H; i++) {
            s1 = i*W;
            s2 = (H-i)*W;

            s3 = (H-i)*(W/2);
            s4 = s2 - s3;

            int Min = min(min(s1, s3), s4);
            int Max = max(max(s1, s3), s4);
            ans = min(ans, Max-Min);

            s5 = ((H-i)/2) * W;
            s6 = s2 - s5;

            Min = min(min(s1, s5), s6);
            Max = max(max(s1, s5), s6);
            ans = min(ans, Max-Min);

        }
        for(int i = 1; i<=W; i++) {
            s1 = i*H;
            s2 = (W-i)*H;

            s3 = (W-i)*(H/2);
            s4 = s2 - s3;

            int Min = min(min(s1, s3), s4);
            int Max = max(max(s1, s3), s4);
            ans = min(ans, Max-Min);

            s5 = ((W-i)/2)*H;
            s6 = s2 - s5;

            Min = min(min(s1, s5), s6);
            Max = max(max(s1, s5), s6);
            ans = min(ans, Max-Min);
        }
        cout << ans << endl;
    }

}
int main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
//      freopen("output.txt", "w", stdout);
#endif // LOCAL
    init();
    solve();
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:49:13: error: 's5' was not declared in this scope; did you mean 's4'?
   49 |             s5 = ((H-i)/2) * W;
      |             ^~
      |             s4
a.cc:50:13: error: 's6' was not declared in this scope; did you mean 's4'?
   50 |             s6 = s2 - s5;
      |             ^~
      |             s4
a.cc:68:13: error: 's5' was not declared in this scope; did you mean 's4'?
   68 |             s5 = ((W-i)/2)*H;
      |             ^~
      |             s4
a.cc:69:13: error: 's6' was not declared in this scope; did you mean 's4'?
   69 |             s6 = s2 - s5;
      |             ^~
      |             s4
Language: C++

#include <algorithm>
#include <cmath>
#include <iostream>
using namespace std;

int main() {
	int h, w;
	cin >> h >> w;
	int s = 0;
	if (h % 3 && w % 3) {
		s = min(h, w);
		int i = h / 2;
		for (int j = w / 3 - 1; j <= w / 3 + 2; j++) {
			int a[] = {h * j, i * (w - j), (h - i) * (w - j)};
			sort(a, a + 3);
			s = min(s, a[2] - a[0]);
		}
		{
			int t = h;
			h = w;
			w = t;
		}
		int i = h / 2;
		for (int j = w / 3 - 1; j <= w / 3 + 2; j++) {
			int a[] = {h * j, i * (w - j), (h - i) * (w - j)};
			sort(a, a + 3);
			s = min(s, a[2] - a[0]);
		}
	}
	cout << s << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:21: error: redeclaration of 'int i'
   23 |                 int i = h / 2;
      |                     ^
a.cc:12:21: note: 'int i' previously declared here
   12 |                 int i = h / 2;
      |                     ^
Language: C++

#include<iostream>
#include<algorithm>
#include <stdlib>
using namespace std;
const int MAX = 2147483647;
int main() {
	int H, W, ans = MAX, area1, area2, area3;
	cin >> H >> W;
	for (int i = 1;i < (H+H%2)/2;i ++) {
		ans = min(abs((H-3*i)*W), ans);
		area1 = i*W;
		area2 = (H-i)*(W+W%2)/2;
		area3 = H*W-area1-area2;
		ans = min(max(max(abs(area3-area1),abs(area2-area1)),abs(area3-area2)),ans);
	}
	for (int i = 1;i < (W+W%2)/2;i ++) {
		ans = min(abs((W-3*i)*H), ans);
		area1 = i*H;
		area2 = (W-i)*(H+H%2)/2;
		area3 = H*W-area1-area2;
		ans = min(max(max(abs(area3-area1),abs(area2-area1)),abs(area3-area2)),ans);
	}
	cout << ans;
	return 0;
}

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