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

#pragma region ヘッダー
#define _CRT_SECURE_NO_WARNINGS

#ifdef _____MY_DEBUG_____
#define VS_ENDPAUSE()	(system("pause"))
#else
#define VS_ENDPAUSE()
#endif

#include <stdio.h>
#include <iostream>
#include <math.h>
#include <cmath>
#include <vector>
#include <algorithm>

using namespace std;
typedef signed char int8;
typedef signed short int16;
typedef signed int int32;
typedef signed long long int64;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned int uint32;
typedef unsigned long long uint64;

#if 0
#define INT8_MIN	(-127)
#define INT8_MAX	( 128)
#define UINT8_MAX	( 255)
#define INT16_MIN	(-32768)
#define INT16_MAX	( 32767)
#define UINT16_MAX	( 65535)
#define INT32_MIN	(-2147483648)	// -2 * 10^9
#define INT32_MAX	( 2147483647)	//  2 * 10^9
#define UINT32_MAX	( 4294967295)	//  4 * 10^9
#define INT64_MIN	(-9223372036854775808)	// -9 * 10^18
#define INT64_MAX	( 9223372036854775807)	//  9 * 10^18
#define UINT64_MAX	( 18446744073709551615)	// 18 * 10^18
#endif

void func(void);
#pragma endregion

int main(void)
{
	func();

	VS_ENDPAUSE();
	return 0;
}



void func(void)
{
	char a[102][102];
	memset(a, '#', sizeof(a));
	int32 h, w;
	scanf("%d %d", &h, &w);

	a[0][w+2] = '\0';
	for(int j=1; j<=h; j++){
		scanf("%s", &a[j][1]);
		a[j][w+1] = '#';
		a[j][w+2] = '\0';
	}
	a[h+1][w+2] = '\0';
	for(int j=0; j<h+2; j++){
		printf("%s\n", a[j]);
	}

}




Compiler output:
a.cc: In function 'void func()':
a.cc:58:9: error: 'memset' was not declared in this scope
   58 |         memset(a, '#', sizeof(a));
      |         ^~~~~~
a.cc:16:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
   15 | #include <algorithm>
  +++ |+#include <cstring>
   16 |
Language: C++

#pragma region ヘッダー
#define _CRT_SECURE_NO_WARNINGS

#ifdef _____MY_DEBUG_____
#define VS_ENDPAUSE()	(system("pause"))
#else
#define VS_ENDPAUSE()
#endif

#include <stdio.h>
#include <iostream>
#include <math.h>
#include <cmath>
#include <vector>
#include <algorithm>

using namespace std;
typedef signed char int8;
typedef signed short int16;
typedef signed int int32;
typedef signed long long int64;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned int uint32;
typedef unsigned long long uint64;

#define INT8_MIN	(-127)
#define INT8_MAX	( 128)
#define UINT8_MAX	( 255)
#define INT16_MIN	(-32768)
#define INT16_MAX	( 32767)
#define UINT16_MAX	( 65535)
#define INT32_MIN	(-2147483648)	// -2 * 10^9
#define INT32_MAX	( 2147483647)	//  2 * 10^9
#define UINT32_MAX	( 4294967295)	//  4 * 10^9
#define INT64_MIN	(-9223372036854775808)	// -9 * 10^18
#define INT64_MAX	( 9223372036854775807)	//  9 * 10^18
#define UINT64_MAX	( 18446744073709551615)	// 18 * 10^18


void func(void);
#pragma endregion

int main(void)
{
	func();

	VS_ENDPAUSE();
	return 0;
}



void func(void)
{
	char a[102][102];
	memset(a, '#', sizeof(a));
	int32 h, w;
	scanf("%d %d", &h, &w);

	a[0][w+2] = '\0';
	for(int j=1; j<=h; j++){
		scanf("%s", &a[j][1]);
		a[j][w+1] = '#';
		a[j][w+2] = '\0';
	}
	a[h+1][w+2] = '\0';
	for(int j=0; j<h+2; j++){
		printf("%s\n", a[j]);
	}

}




Compiler output:
a.cc: In function 'void func()':
a.cc:57:9: error: 'memset' was not declared in this scope
   57 |         memset(a, '#', sizeof(a));
      |         ^~~~~~
a.cc:16:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
   15 | #include <algorithm>
  +++ |+#include <cstring>
   16 |
Language: C++

#include<iostream>
#include<string>

using namespace std;

char str[102][102], c;
int H, W;

int main(){

	cin >> H >> W;
	for(int l = 0; l < H+2; l++){
		for(int m = 0; m < W+2){
			if(l == 0 || l == H+1 || m == 0 || m == W+1){
				str[m][l] = '#';
			}else{
				cin >> c;
				str[m][l] = c;
			}
		}
	}

	for(int l = 0; l < H+2; l++){
		for(int m = 0; m < W+2){
			cout << str[m][l];
		}
		cout << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:39: error: expected ';' before ')' token
   13 |                 for(int m = 0; m < W+2){
      |                                       ^
      |                                       ;
a.cc:24:39: error: expected ';' before ')' token
   24 |                 for(int m = 0; m < W+2){
      |                                       ^
      |                                       ;
Language: C++


#include<sstream>
#include<fstream>
#include<stdio.h>
#include<algorithm>
#include<string.h>
#include<string>
#include<queue>
#include<set>
#include<vector>
#include<cmath>
#include<ctime>
#include<locale>
using namespace std;
char c[101][101];
int main()
{
    long a,b;
    scanf("%d%d",&a,&b);gets(c[0]);
    for(long i=0;i<a;i++)
        gets(c[i]);
    for(long i=0;i<b+2;i++)printf("#");printf("\n");
    for(long i=0;i<a;i++)
    {
        printf("#");
        for(long j=0;j<b;j++)
            printf("%c",c[i][j]);
        printf("#");
        printf("\n");
    }
    for(long i=0;i<b+2;i++)printf("#");
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:25: error: 'gets' was not declared in this scope; did you mean 'getw'?
   19 |     scanf("%d%d",&a,&b);gets(c[0]);
      |                         ^~~~
      |                         getw
Language: C++

#include<iostream>
#include<sstream>
#include<fstream>
#include<stdio.h>
#include<algorithm>
#include<string.h>
#include<string>
#include<queue>
#include<set>
#include<vector>
#include<cmath>
#include<ctime>
#include<locale>
using namespace std;
char c[101][101];
int main()
{
    long a,b;
    cin>>a>>b;gets(c[0]);
    for(long i=0;i<a;i++)
        gets(c[i]);
    for(long i=0;i<b+2;i++)printf("#");printf("\n");
    for(long i=0;i<a;i++)
    {
        printf("#");
        for(long j=0;j<b;j++)
            printf("%c",c[i][j]);
        printf("#");
        printf("\n");
    }
    for(long i=0;i<b+2;i++)printf("#");
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:15: error: 'gets' was not declared in this scope; did you mean 'getw'?
   19 |     cin>>a>>b;gets(c[0]);
      |               ^~~~
      |               getw
Language: C++

#include<iostream>
#include<string>
#include<map>
using namespace std;
typedef long long ll;
const int Max = 1e5 + 5;
int lst[Max];

int main()
{
	ll x, y;
	cin >> y >> x;
	ll res = 1e18+5;
	for (int i = 1;i <= x - 1;i++)
	{
		ll a = (x - i) * y;
		ll b = i * (y / 2);
		ll c = x * y - a - b;
		res = min(res, max(a, max(b, c)) - min(a, min(b, c)));
		ll a = x  * y;
		ll b = (x-i) * (y / 2);
		ll c = x * y - a - b;
		res = min(res, max(a, max(b, c)) - min(a, min(b, c)));
	}
	for (int i = 1;i <= y - 1;i++)
	{
		ll a = (y - i) * x;
		ll b = i * (x / 2);
		ll c = x * y - a - b;
		res = min(res, max(a, max(b, c)) - min(a, min(b, c)));
		ll a = y * x;
		ll b = (y-i) * (x / 2);
		ll c = x * y - a - b;
		res = min(res, max(a, max(b, c)) - min(a, min(b, c)));
	}
	if (x % 3 == 0 || y % 3 == 0)res = 0;
	cout << res;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:20: error: redeclaration of 'll a'
   20 |                 ll a = x  * y;
      |                    ^
a.cc:16:20: note: 'll a' previously declared here
   16 |                 ll a = (x - i) * y;
      |                    ^
a.cc:21:20: error: redeclaration of 'll b'
   21 |                 ll b = (x-i) * (y / 2);
      |                    ^
a.cc:17:20: note: 'll b' previously declared here
   17 |                 ll b = i * (y / 2);
      |                    ^
a.cc:22:20: error: redeclaration of 'll c'
   22 |                 ll c = x * y - a - b;
      |                    ^
a.cc:18:20: note: 'll c' previously declared here
   18 |                 ll c = x * y - a - b;
      |                    ^
a.cc:31:20: error: redeclaration of 'll a'
   31 |                 ll a = y * x;
      |                    ^
a.cc:27:20: note: 'll a' previously declared here
   27 |                 ll a = (y - i) * x;
      |                    ^
a.cc:32:20: error: redeclaration of 'll b'
   32 |                 ll b = (y-i) * (x / 2);
      |                    ^
a.cc:28:20: note: 'll b' previously declared here
   28 |                 ll b = i * (x / 2);
      |                    ^
a.cc:33:20: error: redeclaration of 'll c'
   33 |                 ll c = x * y - a - b;
      |                    ^
a.cc:29:20: note: 'll c' previously declared here
   29 |                 ll c = x * y - a - b;
      |                    ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rrep(i, n) for(int i = n-1; i >= 0; i--)
#define  all(x) (x).begin(),(x).end()     // 昇順ソート
#define  rall(v) (v).rbegin(), (v).rend() // 降順ソート
#define  FastIO ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
typedef long long ll;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<vector<int>>;
using VL = vector<ll>;
using VVL = vector<vector<ll>>;
using VP = vector<P>;
template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return true; } return false; }

const ll INF = 1LL<<60;

int main(){
    ll h, w;
    cin >> h >> w;
    if (h % 3 == 0 || w % 3 == 0){
        cout << 0 << endl;
        return 0;
    }
    ll ans = INF;
    rep(i, 2){
        swap(h, w);
        for(ll r = (h/3) - 100; r <= (h/3) + 100; r++){
           for(ll c = (w/2) - 100; c <= (w/2) + 100; c++){
                if (r <= 0 || c <= 0 || r >= h || c >= w) continue;
                ll sq1 = r * w;
                ll sq2 = (h-r) * c;
                ll sq3 = (h-r) * (w-c);
                ll mx = max({sq1, sq2, sq3});
                ll mn = min({sq1, sq2, sq3});
                ans = min(ans, mx - mn);
            }
        }
    }

    rep(i, 2){
        swap(h, w);
        ll sq1 = (h/3) * w;
        ll sq2 = (h - ((h/3) * 2)) * w;
        ll mx = max(sq1, sq2);
        ll mn = min(sq1, sq2);
        ans = min(ans, mx-mn);
    }

    for(ll r = h/3)
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:52:19: error: expected ';' before ')' token
   52 |     for(ll r = h/3)
      |                   ^
      |                   ;
a.cc:52:19: error: expected primary-expression before ')' token
a.cc:52:19: error: expected ';' before ')' token
   52 |     for(ll r = h/3)
      |                   ^
      |                   ;
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;

int main() {
    ll h,w;cin>>h>>w;
    if(h%3==0 || w%3==0){
        cout<<0<<endl;
    }
    else{
        ll ans = h*w;
        rep(i,h-1){
            ll ws=w/2;
            ll tmp=max((h-i-1)*w-abs(i+1)*ws,abs((h-i-1)*w-(i+1)*(w-ws)))
            ans=min(tmp,ans);
        }
        rep(i,w){
            ll hs=h/2;
            ll tmp=max((w-i-1)*h-abs(i+1)*hs,abs((w-i-1)*h-(i+1)*(h-hs)))
            ans=min(tmp,ans);            
        }
        ans=min(ans,h);
        ans=min(ans,w);
        cout<<ans<<endl;
    }
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:13: error: expected ',' or ';' before 'ans'
   16 |             ans=min(tmp,ans);
      |             ^~~
a.cc:21:13: error: expected ',' or ';' before 'ans'
   21 |             ans=min(tmp,ans);
      |             ^~~
Language: C++

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

ll func(ll x, ll y, ll z) {
	ll maxV = max({ x,y,z });
	ll minV = min({ x,y,z });
	return maxV - minV;
}

ll main() {

	ll h, w; cin >> h >> w;

	ll ans = 2147483647;
	for (ll y = 1; y <= h - 1; y++) {
		ll sa, sb, sc;

		sb = w / 2 * (h - y);
		sc = (w - w / 2) * (h - y);
		ans = min(ans, func(sa, sb, sc));

		if (y == h - 1) continue;
		sa = y * w;
		sb = (h - y) / 2 * w;
		sc = (h - (y + (h - y) / 2)) * w;
		ans = min(ans, func(sa, sb, sc));
	}

	swap(h, w);
	for (ll y = 1; y <= h - 1; y++) {
		ll sa, sb, sc;

		sb = w / 2 * (h - y);
		sc = (w - w / 2) * (h - y);
		ans = min(ans, func(sa, sb, sc));

		if (y == h - 1) continue;
		sa = y * w;
		sb = (h - y) / 2 * w;
		sc = (h - (y + (h - y) / 2)) * w;
		ans = min(ans, func(sa, sb, sc));
	}

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

Compiler output:
a.cc:11:1: error: '::main' must return 'int'
   11 | ll main() {
      | ^~
Language: C++

/*------------------------------------
........Bismillahir Rahmanir Rahim....
..........created by Abdul Aziz.......
------------------------------------*/
#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <unordered_map>
#include <queue>
#define   mod  998244353
#define   int  long long 
#define   ld   long double
#define   pb   push_back
#define   vi  vector<int> 
#define   dbg(x)  cerr << #x << " = " << x << '\n'
#define   sz(x)  (int)x.size()
#define   ff   first
#define   ss   second
#define   pii  pair<int,int>
using namespace std;

int fun(int a,int b,int c){
    int d = (max(a,max(b,c)) - min(a,min(b,c))); 
    return  d; 
}

int solve(int w,int h){
    int  ans = min(w,h) ; 
    for (int i=1,j=w-1;i<=j;i++,j--){
        int a = i*h;
        int b = (h/2) * j; 
        int c = (h * w) - a - b ; 
        ans = min(ans,fun(a,b,c));
    }
    return ans ;
}

signed main()
{
    int w,h;
    cin>>w>>h;
    if (w%3==0 or h%3==0) {
      cout << 0 << endl;
      return 0;
    }
    int ans1= solve(w,h);
   // int ans2= solve(h,w);
    cout << min(ans1,ans2) << endl; 
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:22: error: 'ans2' was not declared in this scope; did you mean 'ans1'?
   53 |     cout << min(ans1,ans2) << endl;
      |                      ^~~~
      |                      ans1
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD 1000000007
#define ALL(obj) (obj).begin(),(obj).end()
template<class T>inline bool chmax(T& a,T b){if (a<b){a=b;return 1;}return 0;}
template<class T>inline bool chmin(T& a,T b){if (a>b){a=b;return 1;}return 0;}
const long long INF = 1LL << 60;
bool pairCompare(const pair<double,ll>& firstElof, const pair<double,ll>& secondElof){
    return firstElof.first < secondElof.first;
}
bool pairCompareSecond(const pair<double,ll>& firstElof, const pair<double,ll>& secondElof){
    return firstElof.second < secondElof.second;
}
//四方向への移動ベクトル
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};

struct edge{//グラフに使うヤツ
    ll from,to,cost;
};

typedef vector<vector<edge> > G;
ll gcd(ll a,ll b){
    if (a%b==0)return(b);
    else return(gcd(b,a%b));
}

int main() {
    ll h,w;
    cin >> h >> w;
    ll ans=min(h,w);
    if (h>=2){
        ll x=h/2,y=h/2+h%2;
        for (ll i=0;i<w;i++){
            ll a=x*i,b=y*i,c=(w-i)*h;
            ans=min(ans,max(a,b,c)-min(a,b,c));
        }
    }
    if (w>=2){
        ll x=w/2,y=w/2+w%2;
        for (ll i=0;i<h;i++){
            ll a=x*i,b=y*i,c=(h-i)*w;
            ans=min(ans,max(a,b,c)-min(a,b,c));
        }
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
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: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:38:28:   required from here
   38 |             ans=min(ans,max(a,b,c)-min(a,b,c));
      |                         ~~~^~~~~~~
/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 long int; _Compare = long long int]':
a.cc:38:39:   required from here
   38 |             ans=min(ans,max(a,b,c)-min(a,b,c));
      |                                    ~~~^~~~~~~
/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 <bits/stdc++.h>
using namespace std;
 
int main(){
    
    long long h, w;
    cin >> h >> w;
    
    long long ans = h*w;
    
    vector<long long> area(3);
    
    // 回転前と回転後の２通りを試す
    for (int i = 0; i < 2; i++){
        
        // １つの長方形の辺の長さを全探索する
        for (long long t = 1; t < h; t++){
            
            // 縦割りを試す
            area[0] = t * w;
            area[1] = (h-t)*(w/2);
            area[2] = h*w - area[0] - area[1]; // 最後の面積は, 全体の面積から, それまでに計算した面積２つを引けば良い
            
            sort(area.begin(),area.end());
            ans = min (ans, area[2]-area[0]); // mmax - minと現在までの答えを比較せよ
            
            
            // 横割りを試す
            area[0] = t*w;
            area[1] = ((h-t)/2) * w;
            area[2] = h*w - area[0] - area[1];
            
            sort(area.begin(),area.end());
            ans = min(ans, area[2]-area[0]); // mmax - minと現在までの答えを比較せよ
        }
        
        // チョコレートの回転を忘れない!!!
        swap(h,w);
    }
    
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> h >> w;
      |     ^~~
a.cc:11:5: error: 'vector' was not declared in this scope
   11 |     vector<long long> area(3);
      |     ^~~~~~
a.cc:11:12: error: expected primary-expression before 'long'
   11 |     vector<long long> area(3);
      |            ^~~~
a.cc:20:13: error: 'area' was not declared in this scope
   20 |             area[0] = t * w;
      |             ^~~~
a.cc:24:13: error: 'sort' was not declared in this scope; did you mean 'short'?
   24 |             sort(area.begin(),area.end());
      |             ^~~~
      |             short
a.cc:25:19: error: 'min' was not declared in this scope; did you mean 'main'?
   25 |             ans = min (ans, area[2]-area[0]); // mmax - minと現在までの答えを比較せよ
      |                   ^~~
      |                   main
a.cc:38:9: error: 'swap' was not declared in this scope
   38 |         swap(h,w);
      |         ^~~~
a.cc:41:5: error: 'cout' was not declared in this scope
   41 |     cout << ans << endl;
      |     ^~~~
a.cc:41:20: error: 'endl' was not declared in this scope
   41 |     cout << ans << endl;
      |                    ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    
    long long h, w;
    cin >> h >> w;
    
    long long ans = h*w;
    
    vector<long long> area(3);
    
    // 回転前と回転後の２通りを試す
    for (int i = 0; i < 2; i++){
        
        // １つの長方形の辺の長さを全探索する
        for (long long t = 1; t < h; t++){
            
            // 縦割りを試す
            s[0] = t * w;
            s[1] = (h-t)*(w/2);
            s[2] = h*w - s[0] - s[1]; // 最後の面積は, 全体の面積から, それまでに計算した面積２つを引けば良い
            
            sort(s.begin(),s.end());
            ans = min (ans, s[2]-s[0]); // mmax - minと現在までの答えを比較せよ
            
            
            // 横割りを試す
            s[0] = t*w;
            s[1] = ((h-t)/2) * w;
            s[2] = h*w - s[0] - s[1];
            
            sort(s.begin(),s.end());
            ans = min(ans, s[2]-s[0]); // mmax - minと現在までの答えを比較せよ
        }
        
        // チョコレートの回転を忘れない!!!
        swap(h,w);
    }
    
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:13: error: 's' was not declared in this scope
   20 |             s[0] = t * w;
      |             ^
Language: C++

#include <iostream>
#include <unordered_map>
#include <vector>
#include <set>
#include <string.h>
#include <algorithm>
#define mod 1000000007
#define inf 1LL<<61
#define ll long long
#define pr pair<int,int>
#define all vec.begin(),vec.end()
#define rep(i,a,b) for (int i = a; i < b; i++)
#define fi first
#define se second
#define pushb push_back
#define makep make_pair

using namespace std;

int main(){
	ll h,w;
	cin >> h >> w;
	ll minx = INT_MAX;
	for(ll i = 1; i <= h - 2; i++){
		ll a = i * w;
		ll b = ((h - i)/2) * w;
		ll c = (h*w) - b - a;
		minx = min(minx, max({a,b,c}) - min({a,b,c}));
	}
	for(ll i = 1; i <= w - 2; i++){
		ll a = i * h;
		ll b = ((w - i)/2) * h;
		ll c = (h*w) - b - a;
		minx = min(minx, max({a,b,c}) - min({a,b,c}));
	}
	for(ll i = 1; i <= h - 2; i++){
		ll a = i * w;
		ll b = (h-i) * (w/2);
		ll c = (h*w) - b - a;
		minx = min(minx, max({a,b,c}) - min({a,b,c}));
	}
	for(ll i = 1; i <= w - 2; i++){
		ll a = i * h;
		ll b = (w-i) * (h/2);
		ll c = (h*w) - b - a;
		minx = min(minx, max({a,b,c}) - min({a,b,c}));
	}
	cout << minx;
	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:23:19: error: 'INT_MAX' was not declared in this scope
   23 |         ll minx = INT_MAX;
      |                   ^~~~~~~
a.cc:7:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include <algorithm>
  +++ |+#include <climits>
    7 | #define mod 1000000007
Language: C++

#include <algorithm>
#include <iostream>

using namespace std;
using ll = long long;

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

    ll ans = H * W;
    ll s[3];
    for (int i = 0; i < 2; ++i) {
        for (ll h = 1; h < H; ++h) {
            // まずは縦割り
            s[0] = h * W;
            s[1] = (H - h) * (W / 2);
            s[2] = H * W - (s[0] + s[1]);
            sort(s, s + 3);
            ans = min(ans, s[2] - s[0]);

            // 次いで横割り
            s[0] = h * W;
            s[1] = ((H - h) / 2) * W;
            s[2] = H * W - (s[0] + s[1]);
            sort(s, s + 3);
            ans = min(ans, s[2] - s[0]);
        }
        // 板チョコを90度回す
        swap(H, W);
    }
    cout << ans << endl;
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:33:14: error: expected '}' at end of input
   33 |     return 0;
      |              ^
a.cc:7:12: note: to match this '{'
    7 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
#define ll long long int
#define rep(i, n) for(int i = 0; i < n; i++)
#define sort(v) sort((v).begin(), (v).end())
using vi = vector<int>;
using vs = vector<string>;
using vll = vector<ll>;
const int MOD = 1e9+7;

int main() {
	ll H, W;
	cin >> H >> W;
	vll ans;
	if (H % 3 == 0 || W % 3 == 0) {
		cout << 0 << endl;
	}
	else {
		ll S1, S2, S3;
		ll maxi;
		ll mini;
		ll kouho;
		repp(i, H-1) {
			S1 = i * W;
			S2 = (H - i) * (W / 2);
			S3 = H * W - S1 - S2;
			maxi = max(S1, max(S2, S3));
			mini = min(S1, min(S2, S3));
			kouho =  maxi - mini;
			ans.push_back(kouho);
		}
		repp(i, W-1) {
			S1 = i * H;
			S2 = (W - i) * (H / 2);
			S3 = H * W - S1 - S2;
			maxi = max(S1, max(S2, S3));
			mini = min(S1, min(S2, S3));
			kouho = maxi - mini;
			ans.push_back(kouho);
		}
		sort(ans);
		cout << ans[0] << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:22: error: 'i' was not declared in this scope
   24 |                 repp(i, H-1) {
      |                      ^
a.cc:24:17: error: 'repp' was not declared in this scope; did you mean 'rep'?
   24 |                 repp(i, H-1) {
      |                 ^~~~
      |                 rep
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long int
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define tr(it, a) for(auto it = a.begin(); it != a.end(); it++)
typedef vector<int>         vi;
const int mod = 1000000007;






int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    float a,b,d;
    float ans=INT_MAX;
    float r,c;
    cin>>r>>c;
    int total  = r*c;

         for(int i =1;i <r;i++){
            a = c*i;
            float left_rows = r-i;
            b = floor(left_rows/2)*c;
            d = ceil(left_rows/2)*c;
            ans = min(ans,max({a,b,d})-min({a,b,d}));

            a = c*i;
            b = floor(c/2)*(r-i);
            d=ceil(c/2)*(r-i);
            ans = min(ans,max({a,b,d})-min({a,b,d}));

         }
         for(int i =1;i <c;i++){
             a = r*i;
            float left_rows = c-i;
            b = floor(left_rows/2)*r;
            d = ceil(left_rows/2)*r;
            ans = min(ans,max({a,b,d})-min({a,b,d}));

            a = r*i;
            b = floor(r/2)*(c-i);
            d=ceil(r/2)*(c-i);;
           ans = min(ans,max({a,b,d})-min({a,b,d}));

        }
    int ans = ans;
    cout<<ans<<endl;


















}




















Compiler output:
a.cc: In function 'int32_t main()':
a.cc:51:9: error: conflicting declaration 'long long int ans'
   51 |     int ans = ans;
      |         ^~~
a.cc:20:11: note: previous declaration as 'float ans'
   20 |     float ans=INT_MAX;
      |           ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
const long long X=1000000000+7;

int main() {
  long long h,w;
  cin>>h>>w;
  if((h%3==0 || w%3==0) cout<<"0"<<endl;
  else{
    int ans=100009;
    rep(i,2){
      int h3=h/3,w2=w/2;
      if(w%2==0)
        ans=min(ans,w2);
      else{
        if(h%3==1){
          int s=h3*2+w2-min(h3,w2);
          ans=min(ans,s);
        }
        else{
          int s,s1=w+h3,s2=w2,s3=w2+1+h3*2;
          s=max(s1,max(s2,s3))-min(s1,min(s2,s3));
          ans=min(ans,s);
          s1=h3,s2=w2*2,s3=w2*2+2+h3*2;
          s=max(s1,max(s2,s3))-min(s1,min(s2,s3));
          ans=min(ans,s);
        }
      }
      swap(h,w);
    }
    cout<<ans<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:24: error: expected ';' before 'cout'
   10 |   if((h%3==0 || w%3==0) cout<<"0"<<endl;
      |                        ^~~~~
      |                        ;
a.cc:11:3: error: expected primary-expression before 'else'
   11 |   else{
      |   ^~~~
a.cc:10:41: error: expected ')' before 'else'
   10 |   if((h%3==0 || w%3==0) cout<<"0"<<endl;
      |     ~                                   ^
      |                                         )
   11 |   else{
      |   ~~~~                                   
a.cc:35:1: error: expected primary-expression before '}' token
   35 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using ll = long long;
#define FOR(i, k, n) for(ll i = (k); i < (n); i++)
#define FORe(i, k, n) for(ll i = (k); i <= (n); i++)
#define FORr(i, k, n) for(ll i = (k)-1; i > (n); i--)
#define FORre(i, k, n) for(ll i = (k)-1; i >= (n); i--)
#define REP(i, n) FOR(i, 0, n)
#define REPr(i, n) FORre(i, n, 0)
#define ALL(x) (x).begin(), (x).end()
#define ALLr(x) (x).rbegin(), (x).rend()
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
using namespace std;

const int INF = 1001001001;

int main(void){
  ll h, w;
  cin >> h >> w;
  ll ans = 1ll<<60;
  FOR(i, 1, h){
    ll d = h-i;
    ll a = w*i;

    ll b = (w+1)/2 * d;
    ll c = w/2 * d;
    ll mx = max(a, max(b, c));
    ll mn = min(a, min(b, c));
    chmin(ans, mx-mn);

    if(d < 2) continue;
    b = (d+1)/2 * w;
    c = d/2 * w;
    mx = max(a, max(b, c));
    mn = min(a, min(b, c));
    chmin(ans, mx-mn);
  }

  FOR(i, 1, w){
    ll d = w-i;
    ll a = h*i;

    ll b = (h+1)/2 * d;
    ll c = h/2 * d;
    ll mx = max(a, max(b, c));
    ll mn = min(a, min(b, c));
    chmin(ans, mx-mn);

    if(d < 2) continue:
    b = (d+1)/2 * h;
    c = d/2 * h;
    mx = max(a, max(b, c));
    mn = min(a, min(b, c));
    chmin(ans, mx-mn);
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:23: error: expected ';' before ':' token
   49 |     if(d < 2) continue:
      |                       ^
      |                       ;
a.cc:49:23: error: expected primary-expression before ':' token
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <cstdio>
#include <cmath>
#include <tuple>
#include <iomanip>
#include <numeric>
#include <unordered_map>
#include <sstream>   
#include<limits.h>
#include<float.h>
#include<list>
#include <array>
#include <complex>
using namespace std;
#define i64  long long
#define int  long long
 
#define I32_MAX 2147483647
#define I64_MAX 9223372036854775807LL
#define I64_MAX2 1223372036854775807LL
#define INF I64_MAX2
#define MOD 1000000007
#define MEM_SIZE 10000

// int DP[MEM_SIZE][MEM_SIZE] = {0};
// int GMEM[MEM_SIZE][MEM_SIZE] = {0};
template<typename T> void DEBUG(T e){std::cout << e << std::endl;}
template<class T> void DEBUG(string str, T e){std::cout <<str << ">>" << e << std::endl;}
template<typename T> void DEBUG(const std::vector<T>& v){for(const auto& e : v){ std::cout << e << " "; } std::cout << std::endl;}
template<typename T> void DEBUG(const std::vector<std::vector<T> >& vv){ for(const auto& v : vv){ DEBUG(v); } }
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template< typename T1, typename T2 > inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template< typename T1, typename T2 > inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

void solve(void)
{
 int H,W;
 cin>>H>>W;
 if(H%3 == 0 || W%3 == 0)
 {
   cout<<0<<endl;
   return;
 }

  int ANS = INF;
  for (int i = 1; i < W; i++)
  {
    int A = i * H;
    int B = (W - i)*(H/2 + H%2);
    int C = (W - i)*(H/2) ;

    if(chmin(ANS,max(A,max(B,C)) - min(A,min(B,C))))
    {
      cout<<A<<" "<<B<<" "<<C<<endl;
    }
  }

  swap(W,H);
    for (int i = 1; i < W; i++)
  {
    int A = i * H;
    int B = (W - i)*(H/2 + H%2);
    int C = (W - i)*(H/2) ;

    if(chmin(ANS,max(A,max(B,C)) - min(A,min(B,C))))
    {
      // cout<<A<<" "<<B<<" "<<C<<endl;
    }
  }
  ANS = min(ANS,H,W);
  cout<<ANS<<endl;
  
 
  return; 
}


int32_t main(int32_t argc, const char *argv[])
{
  std::ios::sync_with_stdio(false);
  std::cin.tie(0);

  std::cout << std::fixed;
  std::cout << std::setprecision(9);
  solve();

 
  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::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:79:12:   required from here
   79 |   ANS = min(ANS,H,W);
      |         ~~~^~~~~~~~~
/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 <stdio.h>
#include <set>
#include <string>
#include <vector>
#include <map>
#include <algorithm>
#include <cmath>
#include <limits>

typedef long long int lli;
#define rep(i,s,N) for(int i=s;i<N;i++)
#define MOD 1000000007
using namespace std;

lli small(lli a, lli b, lli c) {
	lli l = min(a, b); l = min(l, c);
	lli r = max(a, b); r = max(r, c);
	lli ans = r - l;
	return ans;
}

lli split(lli x, lli y) {
	lli m = LLONG_MAX;
	lli A, B, C;
	rep(i, 1, x / 2 + 1) {
		A = i * y;
		B = (x - i)*(y / 2);
		C = (x - i)*(y - y / 2);
		m = min(m, small(A, B, C)); //cout << m << endl;
		lli j = x - i;
		A = i * y;
		B = j / 2 * y;
		C = (j - j / 2)*y;
		m = min(m, small(A, B, C));
	}

	return m;
}

int main(void)
{
	lli H, W; cin >> H >> W;
	if (H % 3 == 0 || W % 3 == 0)cout << 0 << endl;
	else {
		cout << min(split(H, W), split(W, H)) << endl;

	}

	return 0;
}


Compiler output:
a.cc: In function 'lli split(lli, lli)':
a.cc:24:17: error: 'LLONG_MAX' was not declared in this scope
   24 |         lli m = LLONG_MAX;
      |                 ^~~~~~~~~
a.cc:9:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    8 | #include <cmath>
  +++ |+#include <climits>
    9 | #include <limits>
Language: C++

#include <iostream>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <vector>
#include <map>

#define rep(i, a, b) for ( int i = (a); i < (b); i++ )
#define per(i, a, b) for ( int i = (b)-1; i >= (a); i--)
#define pb push_back
#define bg begin()
#define en end()

using namespace std;

typedef long long ll;

static const ll MAX = 1000000000000000000;

ll H, W;

ll calc(ll x, ll y) {
  if (x == 2 && y == 2) return 1;
  if (x%3 == 0 || y % 3 == 0) return 0;
  if (y == 2) return MAX;
  
  ll t, S1, S2;
  if ( y % 3 == 1) {
      t = (y-1) / 3;
      S1 = t * x; //縦3分割
  } else {
      t = (y+1) / 3;
      S1 = (t/2) * x;　//縦3分割
  }

  ll k = y - t, l = x/2, m = x - l;
  ll max_S = max<ll>(t*x, max<ll>(k*l, k*m));
  ll min_S = min<ll>(t*x, min<ll>(k*l, k*m));
  S2 = max_S - min_S;
  return min<ll>(S1, S2);
}

int main() {
  scanf("%lld %lld", &H, &W);
  
  printf("%lld\n", min<ll>(calc(H, W), calc(W, H)));
  
  return 0;

}


Compiler output:
a.cc:33:22: error: extended character 　 is not valid in an identifier
   33 |       S1 = (t/2) * x;　//縦3分割
      |                      ^
a.cc: In function 'll calc(ll, ll)':
a.cc:33:22: error: '\U00003000' was not declared in this scope
   33 |       S1 = (t/2) * x;　//縦3分割
      |                      ^~
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
long long diff(long long x, long long y, long long z) {
  return max(x, max(y, z)) - min(x, min(y, z));
}
int main() {
  long long h, w;
  cin >> h >> w;
  long long ans(INT_MAX);
  for (int i = 1; i <= h / 2; ++i) {
    //for (int j = 1; j <= w / 2; ++j) {
      long long j = w / 2;
      long long a = i * j, b = (h - i) * j, d = (h - i) * (w-j), c = i * (w - j);
      long long t1 = min(diff(a + b, c, d), diff(a + c, b, d));
      long long t2 = min(diff(b + d, a, c), diff(c + d, a, b));
      ans = min(ans, min(t1, t2));
    //}
  }
  cout << ans;
  return 0;
};

Compiler output:
a.cc: In function 'int main()':
a.cc:10:17: error: 'INT_MAX' was not declared in this scope
   10 |   long long ans(INT_MAX);
      |                 ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include<algorithm>
  +++ |+#include <climits>
    3 | using namespace std;
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for(int i=0; i<(n); ++i)
#define rep2(i, s, n) for(int i=s; i<(n); ++i)
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;

static const int INTINF = (2147483647);
static const ll LLINF = (9223372036854775807);
static const int MAX = 100001;
static const ll MOD = 1000000007;

namespace Printer{
    void print(vector<int> v){
        rep(i, v.size()){
            if(i) cout << " ";
            cout<< v[i];
        }
        cout << endl;
    }

    void print(vector<vector<int> > vv){
        rep(i, vv.size()){
            rep(j, vv[i].size()){
                if(j) cout << " ";
                cout << vv[i][j];
            }
            cout << endl;
        }
    }

    void print(pair<int, int> p){
        cout << "(" << p.first << ", " << p.second << ")" << endl;
    }
};

//--global--//



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

ll calc(ll H, ll W) {
  ll s1, s2, s3;
  ll mxs, mns;
  ll res = INF;
  for (int i = 1; i < H; i++) {
    s1 = i * W;
    s2 = (H - i) * (W / 2);
    s3 = (H - i) * (W - (W / 2));
    mxs = max(s1, max(s2, s3));
    mns = min(s1, min(s2, s3));
    res = min(res, mxs - mns);
  }
 
  s1 = (H / 3) * W;
  s2 = (H - (H / 3) * 2) * W;
  res = min(res, abs(s1 - s2));
 
  return res;
}
 
int main() {
  ll H, W;
  cin >> H >> W;
 
  ll ans = min(H, W);
  ans = min(ans, calc(H, W));
  ans = min(ans, calc(W, H));
 
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'll calc(ll, ll)':
a.cc:48:12: error: 'INF' was not declared in this scope
   48 |   ll res = INF;
      |            ^~~
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for(int i=0; i<(n); ++i)
#define rep2(i, s, n) for(int i=s; i<(n); ++i)
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;

static const int INTINF = (2147483647);
static const ll LLINF = (9223372036854775807);
static const int MAX = 100001;
static const ll MOD = 1000000007;

namespace Printer{
    void print(vector<int> v){
        rep(i, v.size()){
            if(i) cout << " ";
            cout<< v[i];
        }
        cout << endl;
    }

    void print(vector<vector<int> > vv){
        rep(i, vv.size()){
            rep(j, vv[i].size()){
                if(j) cout << " ";
                cout << vv[i][j];
            }
            cout << endl;
        }
    }

    void print(pair<int, int> p){
        cout << "(" << p.first << ", " << p.second << ")" << endl;
    }
};

//--global--//



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

void swap(ll *a, ll *b){
    ll tmp = *a;
    *a = *b;
    *b = tmp;
}

int main(int argc, const char * argv[]) {
    //提出時、消す----//
    //--------------//

    ll h, w;
    cin >> h >> w;

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

    ll ans = LLINF;
    rep(i, 2){
        swap(h, w);
        if(w % 2 == 1){
            rep2(i, 1, h){
                ll a = w * i;
                ll b = (w/2) * (h-i);
                ll c = (w - w/2) * (h-i);
                ll ma = max(max(a, b), c);
                ll mi = min(min(a, b), c);
                ans = min(ans, abs(ma - mi));
                b = w * (h-i)/2;
                c = w * (h-i-(h-i)/2);
                ll ma = max(max(a, b), c);
                ll mi = min(min(a, b), c);
                ans = min(ans, abs(ma - mi));
                // cout << h << endl;
                // cout << a << ", " << b << ", " << c << endl;
            }
        }else{
            rep2(i, 1, h){
                ll a = w * i;
                ll b = (w/2) * (h-i);
                ans = min(ans, abs(a-b));
                b = w * (h-i)/2;
                ll c = w * (h-i-(h-i)/2);
                ll ma = max(max(a, b), c);
                ll mi = min(min(a, b), c);
                ans = min(ans, abs(ma - mi));
            }
        }
    }

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


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:76:20: error: redeclaration of 'll ma'
   76 |                 ll ma = max(max(a, b), c);
      |                    ^~
a.cc:71:20: note: 'll ma' previously declared here
   71 |                 ll ma = max(max(a, b), c);
      |                    ^~
a.cc:77:20: error: redeclaration of 'll mi'
   77 |                 ll mi = min(min(a, b), c);
      |                    ^~
a.cc:72:20: note: 'll mi' previously declared here
   72 |                 ll mi = min(min(a, b), c);
      |                    ^~
Language: C++

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

typedef long long int ll;
double PI = 3.14159265358979;

int main(){
    int H,W;
    cin >> H >> W;
    if(H % 3 == 0 || W % 3 == 0){
        cout << 0 << endl;
        return 0;
    }
    
    int a = (W + W % 3) / 3;
    int A = H * a;
    int b = (H + H % 2) / 2;
    int B = (W - a) * b;
    int C = H * W - A - B;
    int T = max({A,B,C}) - min({A,B,C});

    int a1 = W / 3 + 1;
    int A1 = H * a1;
    int b1 = H/2 + 1;
    int B1 = (W - a1) * b1;
    int C1 = H * W - A1 - B1;
    int T1 = max({A1,B1,C1}) - min({A1,B1,C1});
    swap(H,W);
    int o = (W + W % 3) / 3;
    int P = H * o;
    int q = (H + H % 2) / 2;
    int Q = (W - o) * q;
    int R = H * W - P - Q;
    int Z = max({R,P,Q}) - min({P,Q,R});

    int a2 = W / 3 + 1;
    int A2 = H * a2;
    int b2 = H/2 + 1;
    int B2 = (W - a2) * b2;
    int C2 = H * W - A2 - B2;
    int T2 = max({A2,B2,C2}) - min({A2,B2,C2});
    if(H > 2){
   int p = (H+H%3)/3;
   int T = W * (H - 2 * p);
   ans = min(ans,T);
   }
   if(W > 2){
   int q = (W+W%3)/3;
   int S = H * (W - 2 * q);
   ans = min(ans,S);
   }
    cout << min({T1,T2,Z,T}) << endl;

}




Compiler output:
a.cc: In function 'int main()':
a.cc:45:4: error: 'ans' was not declared in this scope; did you mean 'abs'?
   45 |    ans = min(ans,T);
      |    ^~~
      |    abs
a.cc:50:4: error: 'ans' was not declared in this scope; did you mean 'abs'?
   50 |    ans = min(ans,S);
      |    ^~~
      |    abs
Language: C++

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


ll H, W;

ll calc(ll a, ll b, ll c){
  ll mi = min(a, b); mi = min(mi, c);
  ll ma = max(a, b); ma = max(ma, c);
  return ma - mi;
}

ll divi(ll h, ll w){
  ll ans = (ll)1e9;
  if(h >= 3){
    ans = min(ans, (h%3?w:0));
  }
  
  ll a = (w / 3) * h;
  ll b = (w - (a / h)) * (h / 2);
  
  ans = min(ans, calc(a, b, h * w - a - b));
  
  a += h;
  ll b = (w - (a / h)) * (h / 2);
  ans = min(ans, calc(a, b, h * w - a - b));
  return ans;
}

int main(){
  cin >> H >> W;
  ll ans = 1e9;
  ans = min(ans, divi(H, W));
  ans = min(ans, divi(W, H));
  cout << ans<< endl;
}


Compiler output:
a.cc: In function 'll divi(ll, ll)':
a.cc:26:6: error: redeclaration of 'll b'
   26 |   ll b = (w - (a / h)) * (h / 2);
      |      ^
a.cc:21:6: note: 'll b' previously declared here
   21 |   ll b = (w - (a / h)) * (h / 2);
      |      ^
Language: C++

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

int main() {
    ll h,w;cin>>h>>w;
    ll ans=1e9;
    for (int i=0;i<2;i++) {
        for (int j=1;j<h;j++) {
            int hh=h-j;
            int hhh=hh/2;
            int hhhh=hh-hhh;
            ll mx=max(j,max(hhh,hhhh));
            ll mn=min(j,min(hhh,hhhh));
            ans=min(ans,(mx*w-mn*w);
            ll ww=w/2;
            ll www=w-ww;
            mx=max(j*w,max(ww*hh,www*hh));
            mn=min(j*w,min(ww*hh,www*hh));
            ans=min(ans,mx-mn);
        }
        swap(h,w);
    }
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:36: error: expected ')' before ';' token
   15 |             ans=min(ans,(mx*w-mn*w);
      |                    ~               ^
      |                                    )
Language: C++

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

int main() {
    ll h,w;cin>>h>>w;
    int ans=1e9;
    for (int i=0;i<2;i++) {
        for (int j=1;j<h;j++) {
            int hh=h-j;
            int hhh=hh/2;
            int hhhh=hh-hhh;
            ll mx=max(j,max(hhh,hhhh));
            ll mn=min(j,min(hhh,hhhh));
            ans=min(ans,(mx*w-mn*w);
            ll ww=w/2;
            ll www=w-ww;
            mx=max(j*w,max(ww*hh,www*hh));
            mn=min(j*w,min(ww*hh,www*hh));
            ans=min(ans,mx-mn);
        }
        swap(h,w);
    }
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:36: error: expected ')' before ';' token
   15 |             ans=min(ans,(mx*w-mn*w);
      |                    ~               ^
      |                                    )
a.cc:20:20: error: no matching function for call to 'min(int&, ll)'
   20 |             ans=min(ans,mx-mn);
      |                 ~~~^~~~~~~~~~~
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:20:20: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   20 |             ans=min(ans,mx-mn);
      |                 ~~~^~~~~~~~~~~
/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:20:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |             ans=min(ans,mx-mn);
      |                 ~~~^~~~~~~~~~~
Language: C++

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

int main(){
  int H,W; cin>>H >>W;
  if(H%3==0||W%3==0){
    cout<<0<<endl;
    return 0;
  }
  
  int ans=INT_MAX;
  for(int i=1;i<H;i++){
    int Sa=i*W, Sb=W/2*(H-i), Sc=(W-W/2)*(H-i);
    ans=min(ans, max({Sa, Sb, Sc})-min({Sa, Sb, Sc}));
  }
  
  for(int i=1;i<H-1;i++){
    int Sa=i*W, Sb=(H-i)/2*W, Sc=(H-(H-i)/2))*W;
    ans=min(ans, max({Sa, Sb, Sc})-min({Sa, Sb, Sc}));
  }
  
  for(int i=1;i<W;i++){
    int Sa=i*H, Sb=H/2*(W-i), Sc=(H-H/2)*(W-i);
    ans=min(ans, max({Sa, Sb, Sc})-min({Sa, Sb, Sc}));
  }
  
  for(int i=1;i<W-1;i++){
    int Sa=i*H, Sb=(W-i)/2*H, Sc=(W-(W-i)/2))*H;
    ans=min(ans, max({Sa, Sb, Sc})-min({Sa, Sb, Sc}));
  }
  
  cout<<ans<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:45: error: expected ',' or ';' before ')' token
   18 |     int Sa=i*W, Sb=(H-i)/2*W, Sc=(H-(H-i)/2))*W;
      |                                             ^
a.cc:28:45: error: expected ',' or ';' before ')' token
   28 |     int Sa=i*H, Sb=(W-i)/2*H, Sc=(W-(W-i)/2))*H;
      |                                             ^
Language: C++

#include<bits/stdc++.h>
using namespace std;long long a,b,c,d,e,w,h,ans=1e10;
int main(){
   
   cin>>w>>h;
   for(int i=0;i<=h/2;i++)
   {
   	 a=w*i,b=w/2*(h-i);
   	 d=w*h-a-b;
   	 ans=min(max(a,max(b,d))-min(a,min(b,d)),ans);
   	 a=w*i,c=(h-i)/2*w;
   	 e=w*h-a-c;
   	  ans=min(max(a,max(c,e))-min(a,min(c,e)),ans);
   }
    for(int i=0;i<=w/2;i++)
   {
   	 a=h*i,b=h/2*(w-i);
   	 d=w*h-a-b;
   	 ans=min(max(a,max(b,d))-min(a,min(b,d)),ans);
   	 a=h*i,c=(w-i)/2*h;
   	 e=w*h-a-c;
   	  ans=min(max(a,max(c,e))-min(a,min(c,e)),ans);
   }
  cout<<ans

Compiler output:
a.cc: In function 'int main()':
a.cc:24:12: error: expected ';' at end of input
   24 |   cout<<ans
      |            ^
      |            ;
a.cc:24:12: error: expected '}' at end of input
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

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

typedef long long ll;

int main() {
	int H[2], ans = (int)1e5;
	cin >> H[0] >> H[1];
	for (int i = 0; i < 2; i++) {
		if (H[i] % 3 == 0) {
			cout << 0 << endl;
			return;
		}
		ans = min(ans, H[1 - i]);
		int H1 = H[i] / 3;
		int S_max = (H1 + 1) * H[1 - i];
		int S_min = (H[i] - H1 - 1) * (H[1 - i] / 2);
		ans = min(ans, S_max - S_min);
		S_min = H1 * H[1 - i];
		S_max = (H[i] - H1) * ((H[1 - i] + 1) / 2);
		ans = min(ans, S_max - S_min);
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:25: error: return-statement with no value, in function returning 'int' [-fpermissive]
   13 |                         return;
      |                         ^~~~~~
Language: C++

#include <iostream>

using namespace std;

int main(){
  int  H, W;
  cin >> H >> W;
  //川の字に割る
  int ans;
  int tmp = 999999;
  if(W % 3 == 0){
    ans = 0;
  }else{
    tmp = H;
  }
  //三の字に割る
  if(H % == 0){
    ans = 0;
  }else{
    tmp = min(W,tmp);
  }
  //Tの字に割る
  for(int i = 1; i <= W-1; i++){
    for(int j = 1; j <= H-1; j++){
      tmp = min(tmp,min(i*H,j*(W-i)));
    }
  }
  //Eの字に割る
  for(int i = 1; i <= H-1; i++){
    for(int j = 1; j <= W-1; j++){
      tmp = min(tmp,min(i*W,j*(H-i)));
    }
  }
  cout << min(ans, tmp);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:10: error: expected primary-expression before '==' token
   17 |   if(H % == 0){
      |          ^~