criyle/codenet-compile-errors huggingface dataset:
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(W % 3 != 0){
    tmp = H;
  }
  //三の字に割る
  if(H % == 0){
    ans = 0;
  }else{
    int t = W;
    tmp = min(t,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:13:20: error: expected ';' before '{' token
   13 |   }else(W % 3 != 0){
      |                    ^
      |                    ;
a.cc:17:10: error: expected primary-expression before '==' token
   17 |   if(H % == 0){
      |          ^~
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(W % 3 != 0){
    tmp = H;
  }
  //三の字に割る
  if(H % == 0) ans = 0;
  else{
    int t = W;
    tmp = min(t,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:12:19: error: expected ';' before '{' token
   12 |   else(W % 3 != 0){
      |                   ^
      |                   ;
a.cc:16:10: error: expected primary-expression before '==' token
   16 |   if(H % == 0) ans = 0;
      |          ^~
Language: C++

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

int main() {
  long h, w;
  cin >> h >> w;
  if (h % 3 == 0 || w % 3 == 0) {
    cout << 0 << endl;
    return 0;
  }
  if (h > w) swap(h, w);
  long w1 = (w + 1) / 3, s1 = h * w1;
  w -= w1;
  if (h > w) swap(h, w);
  if (h % 2 == 0 || w % 2 == 0) {
    long s = h * w / 2;
    cout << abs(s - s1) << endl;
    return 0;
  }
  int w2 = w / 2, s2 = h * w2, w3 = w - w2, s3 = h * w3;
  cout << max(max(abs(s1 - s2), abs(s1 - s3)), abs(s2 - s3)) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:14: error: no matching function for call to 'max(const long int&, int)'
   21 |   cout << max(max(abs(s1 - s2), abs(s1 - s3)), abs(s2 - s3)) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:21:14: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   21 |   cout << max(max(abs(s1 - s2), abs(s1 - s3)), abs(s2 - s3)) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: 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:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:21:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   21 |   cout << max(max(abs(s1 - s2), abs(s1 - s3)), abs(s2 - s3)) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

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

int main() {
  long h, w;
  cin >> h >> w;
  if (h % 3 == 0 || w % 3 == 0) {
    cout << 0 << endl;
    return 0;
  }
  if (h > w) swap(h, w);
  long w1 = (w + 1) / 3, s1 = h * w1;
  w -= w1;
  if (h > w) swap(h, w);
  if (h % 2 == 0 || w % 2 == 0) {
    long s = h * w / 2;
    cout << abs(s - s1) << endl;
    return 0;
  }
  int w2 = w / 2, s2 = h * w2, w3 = w - w2, s3 = h * w3;
  cout << max(abs(s1 - s2), abs(s1 - s3), abs(s2 - s3)) << endl;
}


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 int; _Compare = int]':
a.cc:21:14:   required from here
   21 |   cout << max(abs(s1 - s2), abs(s1 - s3), abs(s2 - s3)) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<cstring>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
using namespace std;

typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
typedef long double ld;
const ll mod = 1000000007;
const ll INF = mod * mod;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<int, int> P;
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
typedef vector<int> vec;
typedef vector<string> svec;
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define pb push_back
//#define int long long

ll hoge(ll x, ll y, ll z) {
    return max({abs(x - y), abs(y - z), abs(z - x)});
}

void solve() {
    ll h, w, ans = INF; cin >> h >> w;
    for(ll i = 1; i < h; i++) {
        ll res = hoge(i * w, (h - i) * (ll)(w / 2), (h - i) * (w - w / 2));
        ans = min(ans, res;)
    }
    for(ll i = 1; i < w; i++) {
        ll res = hoge(i * h, (w - i) * (ll)(h / 2), (w - i) * (h - h / 2));
        ans = min(ans, res);
    }
    cout << ans << endl;
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	//cout << fixed << setprecision(10);
	//init();
	solve();
	//cout << "finish" << endl;
    return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:57:27: error: expected ')' before ';' token
   57 |         ans = min(ans, res;)
      |                  ~        ^
      |                           )
a.cc:57:28: error: expected primary-expression before ')' token
   57 |         ans = min(ans, res;)
      |                            ^
Language: C++

using ll = long long ;

ll solve(ll h, ll w) {

    ll mw = w/2;
    ll ans = 1 << 30;

    for(int hi = 1; hi <= h; ++hi) {

        ll s1 = hi * w;
        ll mh = (h - hi)/2;

        ll s2, s3;

        for(int f = 0; f<2; ++f) {
            if(f==0) {
                // vertical
                s2 = (h - hi) * mw;
                s3 = (h - hi)  * (w - mw);
            } else {
                // horizontal
                s2 = mh * w;
                s3 = (h- hi - mh) * w;
             }

             ll smax  = std::max({s1, s2, s3});
             ll smin  = std::min({s1, s2, s3});

            ans = std::min({ans, smax-smin});
        }

        // ll tans = std::min({std::max({s1, s2_v, s3_v}) - std::min({s1, s2_v, s3_v}),
                //    std::max({s1, s2_h, s3_h}) - std::min({s1, s2_h, s3_h})});
        
        // if (ans > tans) {
            // ans = tans;
            // if(ans<52000){
                // std::cout<< 
                // std::cout << ans << std::endl;
            // }
        // }        
    }
    return ans;
    // std::cout << ans << std::endl;
}

int main(void) {
    int h,w;
    std::cin >> h >> w;

    std::cout << std::min({solve(h,w), solve(w,h)}) << std::endl;
}

Compiler output:
a.cc: In function 'll solve(ll, ll)':
a.cc:26:30: error: 'max' is not a member of 'std'
   26 |              ll smax  = std::max({s1, s2, s3});
      |                              ^~~
a.cc:27:30: error: 'min' is not a member of 'std'
   27 |              ll smin  = std::min({s1, s2, s3});
      |                              ^~~
a.cc:29:24: error: 'min' is not a member of 'std'
   29 |             ans = std::min({ans, smax-smin});
      |                        ^~~
a.cc: In function 'int main()':
a.cc:49:10: error: 'cin' is not a member of 'std'
   49 |     std::cin >> h >> w;
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using ll = long long ;
a.cc:51:10: error: 'cout' is not a member of 'std'
   51 |     std::cout << std::min({solve(h,w), solve(w,h)}) << std::endl;
      |          ^~~~
a.cc:51:10: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:51:23: error: 'min' is not a member of 'std'
   51 |     std::cout << std::min({solve(h,w), solve(w,h)}) << std::endl;
      |                       ^~~
a.cc:51:61: error: 'endl' is not a member of 'std'
   51 |     std::cout << std::min({solve(h,w), solve(w,h)}) << std::endl;
      |                                                             ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using ll = long long ;
Language: C++

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

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

    if (H % 3 == 0 || W % 3 == 0) cout << 0 << endl;
    else {
        long long ans = 1e9;
        for (long long i = 1; i <= H / 2; i++) {
            long long S1 = i * W;
            long long S2 = (H - i) * (W / 2);
            long long S3 = (H - i) * (W - W / 2);
            ans = min(ans, max(S1, max(S2, S3)) - min(S1, min(S2, S3)));
        }
        for (long long i = 1; i <= W / 2; i++) {
            long long S1 = i * H;
            long long S2 = (W - i) * (H / 2);
            long long S3 = (W - i) * (H - H / 2);
            ans = min(ans, max(S1, max(S2, S3)) - min(S1, min(S2, S3)));
        }
        ans = min(ans, ((H + 2) / 3) * W - (H / 3) * W);
        ans = min(ans, ((W + 2) / 3) * H - (W / 3) * H);
        cout << ans << endl;
    }
}

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

#include <bits/stdc++.h>
using namespace std;
//template
int H,W;
int ans=INF,a,b;
void f(int a,int b){
  int c=H*W-a-b;if(a<=0||b<=0||c<=0)return;
  ans=min(ans,max({a,b,c})-min({a,b,c}));
}
//main
signed main(){
  cin>>H>>W;
  for(int i=0;i<2;i++){
    //横線２本
    a=b=(H+1)/3*W;
    f(a,b);
    //縦１本->横１本
    for(int j=1;j<W;j++){//縦をどこで入れるか全探索
      a=j*H;b=H/2*(W-j);
      f(a,b);
    }
    swap(H,W);
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc:5:9: error: 'INF' was not declared in this scope
    5 | int ans=INF,a,b;
      |         ^~~
a.cc: In function 'int main()':
a.cc:15:5: error: 'a' was not declared in this scope
   15 |     a=b=(H+1)/3*W;
      |     ^
a.cc:15:7: error: 'b' was not declared in this scope
   15 |     a=b=(H+1)/3*W;
      |       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define all(a)  (a).begin(),(a).end()
typedef long long ll;
ll mod=1000000007;

int main() {
  ll h,w; cin >> h >> w;
  if(h%3==0 || w%3==0){
    cout << 0 << endl;
  } else {
    ll min_val = mod;
    for(ll i=1;i<h;++i){
      vector<ll> v1,v2;
      ll s1a = i*w;
      ll s1b = (h-i)*(w/2);
      ll s1c = h*w - s1a - s1b;
      v1.push_back(s1a);
      v1.push_back(s1b);
      v1.push_back(s1c);
      sort(all(v1));
      min_val = min(min_val, v1[2]-v1[0]);
      if(i!=h-1){
        ll s2a = i*w;
        ll s2b = ()(h-i)/2)*w;
        ll s2c = h*w - s2a - s2b;
        v2.push_back(s2a);
        v2.push_back(s2b);
        v2.push_back(s2c);
        sort(all(v2));
        min_val = min(min_val, v2[2]-v2[0]);
      }
    }
    for(ll i=1;i<w;++i){
      vector<ll> v1,v2;
      ll s1a = h*i;
      ll s1b = h/2*(w-i);
      ll s1c = h*w - s1a - s1b;
      v1.push_back(s1a);
      v1.push_back(s1b);
      v1.push_back(s1c);
      sort(all(v1));
      min_val = min(min_val, v1[2]-v1[0]);
      if(i!=w-1){
        ll s2a = h*i;
        ll s2b = h*((w-i)/2);
        ll s2c = h*w - s2a - s2b;
        v2.push_back(s2a);
        v2.push_back(s2b);
        v2.push_back(s2c);
        sort(all(v2));
        min_val = min(min_val, v2[2]-v2[0]);
      }
    }
    cout << min_val << endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:19: error: expected primary-expression before ')' token
   25 |         ll s2b = ()(h-i)/2)*w;
      |                   ^
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
long h,w,ans=0x7fffffffffffffff,a,b,c;
int main(){
	cin>>h>>w;
	if(h%3==0||w%3==0){cout<<0<<endl;return 0;}
	for(long i=1;i<=h/2;i++){
		a=w*i;
		b=w/2*(h-i);
		c=h*w-a-b;
		ans=min(ans,max({a,b,c})-min({a,b,c}));
	}
	for(long i=1;i<=h/2;i++){
		a=w*i;
		b=(h-i)/2*w;
		c=h*w-a-b;
		ans=min(ans,max({a,b,c})-min({a,b,c}));
	}
	for(long i=1;i<=w/2;i++){
		a=h*i;
		b=h/2*(w-i);
		c=h*w-a-b;
		ans=min(ans,max({a,b,c})-min({a,b,c}));
	}
	for(long i=1;i<=w/2;i++){
		a=h*i;
		b=(w-i)/2*h;
		c=h*w-a-b;
		ans=min(ans,max({a,b,c})-min({a,b,c}));
	}
	cout<<ans<<endl;
	return 

Compiler output:
a.cc: In function 'int main()':
a.cc:33:15: error: expected primary-expression at end of input
   33 |         return
      |               ^
a.cc:33:15: error: expected ';' at end of input
   33 |         return
      |               ^
      |               ;
a.cc:33:15: error: expected '}' at end of input
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include <iostream>
#include <cstdio>
#include <string>
#include <algorithm>
#include <cmath>
#include <vector>
#define rep(i, n) for(int i = 0; i < n; i++)
using namespace std;
typedef long long ll;

int main() {
    const ll INF = 1000000000000;
    ll H, W, hA, hB, hC, hBC, wA, wB, wC, wBC, SA, SB, SC, t;
    ll ans1 = INF, ans2 = INF, ans3 = INF, ans4 = INF, anser;
    ll S[3];
    cin >> H >> W;
    
    for(hA = 1; hA <= H-2; hA++) {
        hB = (H - hA)/2;
        hC = H - (hA + hB);
        SA = hA*W;  SB = hB*W;  SC = hC*W;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans1 = min(ans1, t);
    }

    for(hA = 1; hA <= H-1; hA++) {
        hBC = H - hA;
        wB = W/2;
        wC = W - wB;
        SA = hA*W;  SB = hBC*wB;  SC = hBC*wC;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans2 = min(ans2, t);
    }

    for(wA = 1; wA <= W-2; wA++) {
        wB = (W - wA)/2;
        wC = W - (wA + wB);
        SA = H*wA;  SB = H*wB;  SC = H*wC;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans3 = min(ans3, t);
    }

    for(wA = 1; wA <= W-1; wA++) {
        wBC = W - wA;
        hB = H/2;
        hC = H - hB;
        SA = H*wA;  SB = hB*wBC;  SC = hC*wBC;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans4 = min(ans4, t);
    }

    anser = min({ans1, ans2, ans3, ans4});

    cout << anser;
    
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:11: error: assigning to an array from an initializer list
   22 |         S = {SA, SB, SC};
      |         ~~^~~~~~~~~~~~~~
a.cc:33:11: error: assigning to an array from an initializer list
   33 |         S = {SA, SB, SC};
      |         ~~^~~~~~~~~~~~~~
a.cc:43:11: error: assigning to an array from an initializer list
   43 |         S = {SA, SB, SC};
      |         ~~^~~~~~~~~~~~~~
a.cc:54:11: error: assigning to an array from an initializer list
   54 |         S = {SA, SB, SC};
      |         ~~^~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <string>
#include <algorithm>
#include <cmath>
#include <vector>
#define rep(i, n) for(int i = 0; i < n; i++)
using namespace std;
typedef long long ll;

int main() {
    const ll INF = 1 << 50;
    ll H, W, hA, hB, hC, hBC, wA, wB, wC, wBC, SA, SB, SC, t;
    ll ans1 = INF, ans2 = INF, ans3 = INF, ans4 = INF, anser;
    ll S[];
    cin >> H >> W;
    
    for(hA = 1; hA <= H-2; hA++) {
        hB = (H - hA)/2;
        hC = H - (hA + hB);
        SA = hA*W;  SB = hB*W;  SC = hC*W;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans1 = min(ans1, t);
    }

    for(hA = 1; hA <= H-1; hA++) {
        hBC = H - hA;
        wB = W/2;
        wC = W - wB;
        SA = hA*W;  SB = hBC*wB;  SC = hBC*wC;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans2 = min(ans2, t);
    }

    for(wA = 1; wA <= W-2; wA++) {
        wB = (W - wA)/2;
        wC = W - (wA + wB);
        SA = H*wA;  SB = H*wB;  SC = H*wC;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans3 = min(ans3, t);
    }

    for(wA = 1; wA <= W-1; wA++) {
        wBC = W - wA;
        hB = H/2;
        hC = H - hB;
        SA = H*wA;  SB = hB*wBC;  SC = hC*wBC;
        S = {SA, SB, SC};
        sort(S, S+3);
        t = S[2] - S[0];
        ans4 = min(ans4, t);
    }

    anser = min({ans1, ans2, ans3, ans4});

    cout << anser;
    
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:22: warning: left shift count >= width of type [-Wshift-count-overflow]
   12 |     const ll INF = 1 << 50;
      |                    ~~^~~~~
a.cc:15:8: error: storage size of 'S' isn't known
   15 |     ll S[];
      |        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
    ll h,w;
    cin >> h >> w;//h>=Wとしてよい
    if(w>h){
        swap(h,w);
    }//hが長辺

    if((h*w)%3 == 0){
        cout << 0 << endl;
    }else{
        ll ans1=10000000002,ans2=10000000002,ans3=10000000002;
        
        for(ll i=h/3;i <= (h+3)/3;i++){
            for(ll j=max((2*h/3)-1,one);j <= (2*h+3)/3;j++){
                ans1= min(ans1,max(w*i,max(w*(j-i),w*(h-j)))-min(w*i,min(w*(j-i),w*(h-j))));
            }
        }//長辺側から３分割する場合

        for(ll i=h/3;i <= (h+3)/3;i++){
            for(ll j=max((w/2)-1,one);j <= (2+w)/2 ;j++){
                ans2=min(ans2,max(w*i,max((h-i)*(w-j),(h-i)*j))-min(w*i,min((h-i)*(w-j),(h-i)*j)));
            }   
        }//まず長辺側で切り、次に短辺側で切る

        swap(h,w); 

        for(ll i=h/3;i <= (h+3)/3;i++){
            for(ll j=max((w/2)-1,one);j <= (w+2)/2;j++){
                ans3=min(ans3,max(w*i,max((h-i)*(w-j),(h-i)*j))-min(w*i,min((h-i)*(w-j),(h-i)*j)));
            }   
        }//まず短辺側で切り、次に長辺側で切る

        cout << min(ans1,min(ans2,ans3)) << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:36: error: 'one' was not declared in this scope
   17 |             for(ll j=max((2*h/3)-1,one);j <= (2*h+3)/3;j++){
      |                                    ^~~
a.cc:23:34: error: 'one' was not declared in this scope
   23 |             for(ll j=max((w/2)-1,one);j <= (2+w)/2 ;j++){
      |                                  ^~~
a.cc:31:34: error: 'one' was not declared in this scope
   31 |             for(ll j=max((w/2)-1,one);j <= (w+2)/2;j++){
      |                                  ^~~
Language: C++

#include <iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<map>
#include<set>
#include<stack>
#include<queue>
#include<math.h>
using namespace std;
typedef long long ll;
#define int long long
typedef vector<int> VI;
#define REP(i,n) for(int i=0;i<n;i++)
#define eREP(i,n) for(int i=0;i<=n;i++)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define eFOR(i,a,b) for(int i=(a);i<=(b);++i)
#define SORT(c) sort((c).begin(),(c).end())
#define rSORT(c) sort((c).rbegin(),(c).rend())
#define LB(x,a) lower_bound((x).begin(),(x).end(),(a))
#define UB(x,a) upper_bound((x).begin(),(x).end(),(a))
#define INF 1000000000
#define LLINF 9223372036854775807
#define mod 1000000007
//vector<vector<int> > dp;
//vector<vector<vector<int> > > vvvi;
//dp=vector<vector<int> >(N, vector<int>(M,0));
//vector<pair<int,int> > v;
//v.push_back(make_pair(x,y));

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

	int H, W;
	cin >> H >> W;
	int ans = LLINF;
	REP(k, 2) {
		FOR(i,1, H) {

			int a = i*W;
			int b = (H - i)*(W / 2);
			int c = (H - i)*(W - W / 2);
			if (i == 2)
				//cout << a << " " << b << " " << c << endl;
			int cnt = max(a, max(b, c)) - min(a, min(b, c));
			ans = min(cnt, ans);
			b = (H - i) / 2 * W;
			c = (H - i - (H - i)/2)*W;
			cnt = max(a, max(b, c)) - min(a, min(b, c));
			ans = min(cnt, ans);
		}
		swap(H, W);
	}

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



Compiler output:
a.cc: In function 'int main()':
a.cc:47:35: error: 'cnt' was not declared in this scope; did you mean 'int'?
   47 |                         ans = min(cnt, ans);
      |                                   ^~~
      |                                   int
Language: C++

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

int main() {
  int H, W;
  cin >> H >> W;
  
  int ans = 1e9*1e9;
  
  //
  for (int h=1; h<H-1; h++) {
    int a = h*W;
    // b and c divided by tate
    int w = W/2;
    int b = (H-h)*w;
    int c = (H-h)*(W-w);
    int s_max = max(max(a, b), c);
    int s_min = min(min(a, b), c);
    if(ans > s_max - s_min) ans = s_max - s_min;
    
    //b and c divided by yoko
    int h2 = (H-h)/2;
    b = h2*W;
    c = (H-h-h2)*W;
    
    
    
    

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
    8 |   int ans = 1e9*1e9;
      |             ~~~^~~~
a.cc:24:20: error: expected '}' at end of input
   24 |     c = (H-h-h2)*W;
      |                    ^
a.cc:11:29: note: to match this '{'
   11 |   for (int h=1; h<H-1; h++) {
      |                             ^
a.cc:24:20: error: expected '}' at end of input
   24 |     c = (H-h-h2)*W;
      |                    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

using namespace std;
#include<bits/stdc++.h>
#define BEGIN ios_base::sync_with_stdio(0);cin.tie(0)
#define END return EXIT_SUCCESS
#define FOR(I,A,B) for((I)=(A);(I)<(B);(I)++)
#define REP(I,N) FOR(I,0,N)
#define UP(I,A,B) for((I)=(A);(I)<=(B);(I)++)
#define DW(I,A,B) for((I)=(A);(I)>=(B);(I)--)
#define IN(P) cin>>(P)
#define IN2(P1,P2) cin>>(P1)>>(P2)
#define IN3(P1,P2,P3) cin>>(P1)>>(P2)>>(P3)
#define INS(I,N,V) REP(I,N) cin>>V[I]
#define INS2(I,N,V1,V2) REP(I,N) cin>>V1[I]>>V2[I];
#define INS3(I,N,V1,V2,V3) REP(I,N) cin>>V1[I]>>V2[I]>>V3[I];
#define OUT(P) cout<<P<<endl
#define OUT2(P1,P2) cout<<P1<<" "<<P2<<endl
#define OUT3(P1,P2,P3) cout<<P1<<" "<<P2<<" "<<P3<<endl
#define OUTS(I,N,V) REP(I,N) cout<<V[i]<<endl
#define ALL(C) (C).begin(),(C).end()
#define RALL(C) (C).rbegin(),(C).rend()
#define mp make_pair
#define pb push_back
typedef unsigned long ul;
typedef unsigned int ui;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
long H,W,a,b,c,h,hh,w,ww,ans;

inline void solve(){
  ans=1LL<<60;
  IN2(H,W);
  UP(h,2,H){
    a=h*W;
    hh=(H-h)/2;
    b=hh*W;
    c=(H-h-hh)*W;
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
    ww=W/2;
    b=(H-h)*WW;
    c=(H-h)*(W-ww);
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
  }
  UP(w,2,W){
    a=H*w;
    ww=(W-w)/2;
    b=H*ww;
    c=H*(W-w-ww);
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
    hh=H/2;
    b=hh*(W-w);
    c=(H-hh)*(W-w);
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
  }
  OUT(ans);
}

int main(int argc,char**argv){
  BEGIN;
  solve();
  END;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:39:13: error: 'WW' was not declared in this scope; did you mean 'ww'?
   39 |     b=(H-h)*WW;
      |             ^~
      |             ww
Language: C++

using namespace std;
#include<bits/stdc++.h>
#define BEGIN ios_base::sync_with_stdio(0);cin.tie(0)
#define END return EXIT_SUCCESS
#define FOR(I,A,B) for((I)=(A);(I)<(B);(I)++)
#define REP(I,N) FOR(I,0,N)
#define UP(I,A,B) for((I)=(A);(I)<=(B);(I)++)
#define DW(I,A,B) for((I)=(A);(I)>=(B);(I)--)
#define IN(P) cin>>(P)
#define IN2(P1,P2) cin>>(P1)>>(P2)
#define IN3(P1,P2,P3) cin>>(P1)>>(P2)>>(P3)
#define INS(I,N,V) REP(I,N) cin>>V[I]
#define INS2(I,N,V1,V2) REP(I,N) cin>>V1[I]>>V2[I];
#define INS3(I,N,V1,V2,V3) REP(I,N) cin>>V1[I]>>V2[I]>>V3[I];
#define OUT(P) cout<<P<<endl
#define OUT2(P1,P2) cout<<P1<<" "<<P2<<endl
#define OUT3(P1,P2,P3) cout<<P1<<" "<<P2<<" "<<P3<<endl
#define OUTS(I,N,V) REP(I,N) cout<<V[i]<<endl
#define ALL(C) (C).begin(),(C).end()
#define RALL(C) (C).rbegin(),(C).rend()
#define mp make_pair
#define pb push_back
typedef unsigned long ul;
typedef unsigned int ui;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
long H,W,a,b,c,h,hh,w,ww;

inline void solve(){
  IN2(H,W);
  UP(h,2,H){
    a=h*W;
    hh=(H-h)/2;
    b=hh*W;
    c=(H-h-hh)*W;
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
    ww=W/2;
    b=(H-h)*WW;
    c=(H-h)*(W-ww);
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
  }
  UP(w,2,W){
    a=H*w;
    ww=(W-w)/2;
    b=H*ww;
    c=H*(W-w-ww);
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
    hh=H/2;
    b=hh*(W-w);
    c=(H-hh)*(W-w);
    chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
  }
  OUT(ans);
}

int main(int argc,char**argv){
  BEGIN;
  solve();
  END;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:36:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   36 |     chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
      |           ^~~
      |           abs
a.cc:38:13: error: 'WW' was not declared in this scope; did you mean 'ww'?
   38 |     b=(H-h)*WW;
      |             ^~
      |             ww
a.cc:47:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   47 |     chmin(ans,max(a,max(b,c))-min(a,min(b,c)));
      |           ^~~
      |           abs
a.cc:53:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   53 |   OUT(ans);
      |       ^~~
a.cc:15:22: note: in definition of macro 'OUT'
   15 | #define OUT(P) cout<<P<<endl
      |                      ^
Language: C++

using namespace std;
#include<bits/stdc++.h>
#define BEGIN ios_base::sync_with_stdio(0);cin.tie(0)
#define END return EXIT_SUCCESS
#define FOR(I,A,B) for((I)=(A);(I)<(B);(I)++)
#define REP(I,N) FOR(I,0,N)
#define UP(I,A,B) for((I)=(A);(I)<=(B);(I)++)
#define DW(I,A,B) for((I)=(A);(I)>=(B);(I)--)
#define IN(P) cin>>(P)
#define IN2(P1,P2) cin>>(P1)>>(P2)
#define IN3(P1,P2,P3) cin>>(P1)>>(P2)>>(P3)
#define INS(I,N,V) REP(I,N) cin>>V[I]
#define INS2(I,N,V1,V2) REP(I,N) cin>>V1[I]>>V2[I];
#define INS3(I,N,V1,V2,V3) REP(I,N) cin>>V1[I]>>V2[I]>>V3[I];
#define OUT(P) cout<<P<<endl
#define OUT2(P1,P2) cout<<P1<<" "<<P2<<endl
#define OUT3(P1,P2,P3) cout<<P1<<" "<<P2<<" "<<P3<<endl
#define OUTS(I,N,V) REP(I,N) cout<<V[i]<<endl
#define ALL(C) (C).begin(),(C).end()
#define RALL(C) (C).rbegin(),(C).rend()
#define mp make_pair
#define pb push_back
typedef unsigned long ul;
typedef unsigned int ui;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
long H,W,a,b,c;
long even(long a, long b){
  if(a%2==0)return a;
  else return b;
}

inline void solve(){
  IN2(H,W);
  if(H%3==0||W%3==0){
    OUT(0);
  }else if((H%2==0&&W%2!=0)||(H%2!=0&&W%2==0)){
    a=H*W/3/even(H,W)+1;
    b=even(H,W)*a;
    c=(odd(H,W)-a)*(even(H,W)/2);
    OUT(abs(b-c));
  }else{
    a=H*W/3/min(H,W)+1;
    b=min(H,W)*a;
    c=(max(H,W)-a)*(min(H,W)/2);
    OUT(b-c);
  }
}

int main(int argc,char**argv){
  BEGIN;
  solve();
  END;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:40:8: error: 'odd' was not declared in this scope
   40 |     c=(odd(H,W)-a)*(even(H,W)/2);
      |        ^~~
Language: C++

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

int main() {
	int h, w;
	cin >> h >> w;
	int a_size;
	int b_size;
	int a, b, c;
	//case 1
	if (h % 3 == 0) {
		a_size = h / 3;
	}
	else if (h % 3 == 1) {
		a_size = (h - 1) / 3;
	}
	else {
		a_size = (h - 2) / 3;
	}
	a = a_size * w;
	//縦向き
	if ((h - a_size) % 2 == 0) {
		b_size = (h - a_size) / 2;
	}
	else {
		b_size = (h - a_size - 1) / 2;
	}
	b = b_size * w;
	c = h * w - a - b;
	int ans = max(a,b,c)-min(a,b,c);
	//横向き
	if (w % 2 == 0) {
		b_size = w / 2;
	}
	else {
		b_size = (w - 1) / 2;
	}
	b = b_size * (h - a_size);
	c = h * w - a - b;
	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/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:31:15:   required from here
   31 |         int 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 = int; _Compare = int]':
a.cc:31:26:   required from here
   31 |         int 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: Java

import java.util.Scanner;
public class atcoder {

	public static void main(String[] args) {
		Scanner stdIn=new Scanner(System.in);
		long H=stdIn.nextLong();
		long W=stdIn.nextLong();
		long min=2147482704;
		long z=1;
		if(H%3==0||W%3==0)
			System.out.println(0);
		else{
			while(H-1>z){
				if(W/2*z<(H-z)*W){
					if(min>((H-z)*W)-(W/2*z))
						min=((H-z)*W)-(W/2*z);
				}
				else{
					if(min>(W/2*z)-((H-z)*W))
						min=(W/2*z)-((H-z)*W);
				}
				z++;
			}z=1;
			while(W-1>z){
				if(H/2*z<(W-z)*H){
					if(min>((W-z)*H)-(H/2*z))
						min=((W-z)*H)-(H/2*z);
				}
				else{
					if(min>(H/2*z)-((W-z)*H))
						min=(H/2*z)-((W-z)*H);
				}
				z++;
			}
		}
		System.out.println(min);
	}
}

Compiler output:
Main.java:2: error: class atcoder is public, should be declared in a file named atcoder.java
public class atcoder {
       ^
1 error
Language: C++

#include<iostream>
#include<string>

using namespace std;
int main(){
    int h,w,ans=-1;
    cin>>h>>w;
    if(h%3==0 || w%3==0)ans=0;
    else if(h%2==0 || h==w)ans=h/2;
    else if(h%2==1 || h==w)ans=h-1;
    if(ans==-1){
        if(h>w)swap(h,w);
        if(h%2==0){
            if(w%2==1 && w<h/2)ans=w;
            else ans=h/2;
        }else{
            if(w%2==0 && w/2<h)ans=w/2;
            else ans=h;
        }
    cout<<ans<<endl;
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:2: error: expected '}' at end of input
   22 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

		h = H / 3;
		long long ans3 = abs( h * W - (h + 1) * W );


Compiler output:
a.cc:1:17: error: 'h' does not name a type
    1 |                 h = H / 3;
      |                 ^
a.cc:2:39: error: 'h' was not declared in this scope
    2 |                 long long ans3 = abs( h * W - (h + 1) * W );
      |                                       ^
a.cc:2:43: error: 'W' was not declared in this scope
    2 |                 long long ans3 = abs( h * W - (h + 1) * W );
      |                                           ^
a.cc:2:48: error: 'h' was not declared in this scope
    2 |                 long long ans3 = abs( h * W - (h + 1) * W );
      |                                                ^
a.cc:2:57: error: 'W' was not declared in this scope
    2 |                 long long ans3 = abs( h * W - (h + 1) * W );
      |                                                         ^
a.cc:2:34: error: 'abs' was not declared in this scope
    2 |                 long long ans3 = abs( h * W - (h + 1) * W );
      |                                  ^~~
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
#define ll long long
int main () {
  ll n, m;
  cin >> n >> m;
  if (n % 3 == 0 || m % 3 == 0 ) { 
    cout << 0 << endl;   
  }  
  else {
    vector<ll> sub(3);
    // まずはどの程度やるか決める
    ll min = -1;
    ll l = n / 3;
    ll v[5] = {0, -1, 1, -2, 2, 3, -3};
    for (ll i = 0; i < 7; i++) {
      ll j = l + v[i];
      sub[0] = j * m;
      if (j <= 0 || j >= n) {
        
      }
      else {
        for (ll q = 1; q < m; q++) {
          sub[0] = j * m;
          sub[1] = q * (n - j);
          sub[2] = (n - j) * (m - q);
          sort(sub.begin(), sub.end());
          if (min == -1 || sub[2] - sub[0] <= min) {
            min = sub[2] - sub[0];  
          }    
        }  
      }    
    }
    l = m / 3;
    for (ll i = 0; i < 7; i++) {
      ll j = l + v[i];
      sub[0] = j * n;
      if (j <= 0 || j >= m) {
        
      }
      else {
        for (ll q = 1; q < n; q++ ) {
          sub[0] = j * n;
          sub[1] = q * (m - j);
          sub[2] = (m - j) * (n - q);
          sort(sub.begin(), sub.end());
          if (min == -1 || sub[2] - sub[0] <= min) {
            min = sub[2] - sub[0];  
          }  
        }  
      }  
    }
    cout << min << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:38: error: too many initializers for 'long long int [5]'
   17 |     ll v[5] = {0, -1, 1, -2, 2, 3, -3};
      |                                      ^
Language: C++

H, W = map(int, input().split())

if H % 3 == 0 or W % 3 == 0:
    print(0)
else:
    S_list = []
    for i in range(1, H-1):
        w = W//2
        S_A = i*W
        S_B = (H-i)*w
        S_C = (H-i)*(W-w)
        S_list.append(max(S_A,S_B,S_C) -min(S_A,S_B,S_C))
    for i in range(1, W-1):
        h = H//2
        S_A = i*H
        S_B = (W-i)*h
        S_C = (W-i)*(H-h)
        S_list.append(max(S_A,S_B,S_C) -min(S_A,S_B,S_C))
    print(min(S_list)) 

Compiler output:
a.cc:1:1: error: 'H' does not name a type
    1 | H, W = map(int, input().split())
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}


int main(){
  int H,W;
  cin >> H >> W;
  if(H % 3 == 0 || W % 3 == 0){
    cout << 0 << endl;
    return 0;
  }
  if(H < 2)
  int Smax , Smin;
  if(H % 2 == 1){
    Smax = (H/2 + 1)* W;
    H /= 2;
    Smin = W/2 * H;
  }else if(W % 2 == 1){
    Smax = (W/2 + 1)* H;
    W /= 2;
    Smin = H/2 * H;
  }else{
    Smax = H/2 * W;
    Smin =  H/2 *W/2;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'Smax' was not declared in this scope; did you mean 'fmax'?
   19 |     Smax = (H/2 + 1)* W;
      |     ^~~~
      |     fmax
a.cc:21:5: error: 'Smin' was not declared in this scope; did you mean 'fmin'?
   21 |     Smin = W/2 * H;
      |     ^~~~
      |     fmin
a.cc:23:5: error: 'Smax' was not declared in this scope; did you mean 'fmax'?
   23 |     Smax = (W/2 + 1)* H;
      |     ^~~~
      |     fmax
a.cc:25:5: error: 'Smin' was not declared in this scope; did you mean 'fmin'?
   25 |     Smin = H/2 * H;
      |     ^~~~
      |     fmin
a.cc:27:5: error: 'Smax' was not declared in this scope; did you mean 'fmax'?
   27 |     Smax = H/2 * W;
      |     ^~~~
      |     fmax
a.cc:28:5: error: 'Smin' was not declared in this scope; did you mean 'fmin'?
   28 |     Smin =  H/2 *W/2;
      |     ^~~~
      |     fmin
Language: C++

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

int main(){
  long long h,w,ans=1e18,yoko,tate;
  cin>>h>>w;
  yoko=w/2;
  tate=h/2;
  if(h==3||w==3){
    cout<<0<<endl;
    return 0;
  }
  for(int i=1;i<h-1;i++){
    long long tate1=(h-i)/2;
    ans=min(ans,max({i*w,tate1*w,(h-tate1-i)*w}),min({i*w,tate1*w,(h-tate1-i)*w}));
  }
  for(int i=1;i<w-1;i++){
    long long yoko1=(w-i)/2;
    ans=min(ans,max({i*h,yoko1*h,(w-yoko1-i)*h}),min({i*h,yoko1*h,(w-yoko1-i)*h}));
  }
  for(int i=1;i<h;i++){
    ans=min(ans,max({i*w,(h-i)*yoko,(h-i)*(w-yoko)})-min({i*w,(h-i)*yoko,(h-i)*(w-yoko)}));
  }
  for(int i=1;i<w;i++){
    ans=min(ans,max({i*h,(w-i)*tate,(w-i)*(h-tate)})-min({i*h,(w-i)*tate,(w-i)*(h-tate)}));
  }
  cout<<ans<<endl;
}
    

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::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:15:12:   required from here
   15 |     ans=min(ans,max({i*w,tate1*w,(h-tate1-i)*w}),min({i*w,tate1*w,(h-tate1-i)*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 <bits/stdc++.h>
using namespace std;

int main(){
  long long h,w,ans=1e18,yoko,tate;
  cin>>h>>w;
  yoko=w/2;
  tate=h/2;
  if(h==3||w==3){
    cout<<0<<endl;
    return 0;
  }
  for(int i=1;i<h-1;i++){
    ans=min(ans,max({i*w,((h-i)/2)*w,(h-((h-i)/2)-i)*w}),min({i*w,((h-i)/2)*w,(h-((h-i)/2)-i)*w}));
  }
  for(int i=1;i<w-1;i++){
    ans=min(ans,max({i*h,((w-i)/2)*h,(w-((w-i)/2)-i)*h}),min({i*h,((w-i)/2)*h,(w-((w-i)/2)-i)*h}));
  }
  for(int i=1;i<h;i++){
    ans=min(ans,max({i*w,(h-i)*yoko,(h-i)*(w-yoko)})-min({i*w,(h-i)*yoko,(h-i)*(w-yoko)}));
  }
  for(int i=1;i<w;i++){
    ans=min(ans,max({i*h,(w-i)*tate,(w-i)*(h-tate)})-min({i*h,(w-i)*tate,(w-i)*(h-tate)}));
  }
  cout<<ans<<endl;
}
    

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::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:14:12:   required from here
   14 |     ans=min(ans,max({i*w,((h-i)/2)*w,(h-((h-i)/2)-i)*w}),min({i*w,((h-i)/2)*w,(h-((h-i)/2)-i)*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<algorithm>
using namespace std;
using ll = long long;

int main() {
	ll h, w;
	cin >> h >> w;
	ll ans = 1e9;
	if (w*h % 3 == 0) {
		cout << 0 << endl;
		return 0;
	}
	for (int i = 1;i < h;i++) {
		ll s1 = i * w, s2 = w / 2 * (h - i), s3 = h * w - s1 - s2;
		ll a = max(s1, max(s2, s3));
		ll b = min(s1, min(s2, s3));
		if (a - b >= 0)ans = min(ans, a - b);
		//printf("h=%d %d %d %d\n",i,s1,s2,s3);
		ll t1 = i * w, t2 = (h - i) / 2 * w, t3 = h * w - s1 - s2;
		ll c = max(t1, max(t2, t3));
		ll d = min(t1, min(t2, t3));
		if (c - d >= 0)ans = min(ans, c - d);
		//printf("h=%d %d %d %d\n",i,s1,s2,s3);
	}
	for (int i = 1;i < w;i++) {
		ll s1 = i * h, s2 = h / 2 * (w - i), s3 = h * w - s1 - s2;
		ll a = max(s1, max(s2, s3));
		ll b = min(s1, min(s2, s3));
		if (a - b >= 0)ans = min(ans, a - b);
		//printf("w=%d %d %d %d\n",i,s1,s2,s3);
		ll t1 = i * h, t2 = (w - i) / 2 * h, t3 = h * w - s1 - s2;
		ll a = max(t1, max(t2, t3));
		ll b = min(t1, min(t2, t3));
		if (c - d >= 0)ans = min(ans, c - d);
		//printf("w=%d %d %d %d\n",i,s1,s2,s3);
	}
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:20: error: redeclaration of 'll a'
   33 |                 ll a = max(t1, max(t2, t3));
      |                    ^
a.cc:28:20: note: 'll a' previously declared here
   28 |                 ll a = max(s1, max(s2, s3));
      |                    ^
a.cc:34:20: error: redeclaration of 'll b'
   34 |                 ll b = min(t1, min(t2, t3));
      |                    ^
a.cc:29:20: note: 'll b' previously declared here
   29 |                 ll b = min(s1, min(s2, s3));
      |                    ^
a.cc:35:21: error: 'c' was not declared in this scope
   35 |                 if (c - d >= 0)ans = min(ans, c - d);
      |                     ^
a.cc:35:25: error: 'd' was not declared in this scope
   35 |                 if (c - d >= 0)ans = min(ans, c - d);
      |                         ^
Language: C++

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x7f7f7f7f;
int dp[150][150];
int num[150];
bool cmp(int a,int b)
{
    return a<b;
}
int gcd(int a,int b)
{
    if(b==0)
    {
        return a;
    }
    else
        return gcd(b,a%b);
}
int main()
{
    int h,w;
    cin>>h>>w;
    if(h%3==0||w%3==0)
        cout << 0 << endl;
    else
    {

        int ans=max(n,m);
        for(int i=1;i<w-1;i++)
        {
            int smax=(w-i)*h;
            int smin1=i*(h/2);
            int smin2=i*(h-h/2);
            int a[3]={smax,smin1,smin2};
            sort(a,a+3);
            ans=min(ans,a[2]-a[0]);
        }
        swap(h,w);
        for(int i=1;i<w-1;i++)
        {
            int smax=(w-i)*h;
            int smin1=i*(h/2);
            int smin2=i*(h-h/2);
            int a[3]={smax,smin1,smin2};
            sort(a,a+3);
            ans=min(ans,a[2]-a[0]);
        }
        cout << ans << endl;
        return 0;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:21: error: 'n' was not declared in this scope
   29 |         int ans=max(n,m);
      |                     ^
a.cc:29:23: error: 'm' was not declared in this scope
   29 |         int ans=max(n,m);
      |                       ^
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>
#include<string>
#include<queue>
#include<stack>
#include<set>
#include<cmath>
#include<iomanip>
#include<functional>
using namespace std;

int INF = 1e9 + 7;

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

int ans = INF;

int choco(int H, int W) {
	int h, w, sa, sb, sc, MAX, MIN;
	for (int i = 1; i < H; i++) {
		h = (H - i) / 2;
		sa = i * W, sb = h * W, sc = (H - h) * W;
		MAX = max(sa, sb, sc), MIN = min(sa, sb, sc);
		ans = min(ans, MAX - MIN);
	}
	for (int i = 1; i < H; i++) {
		w = W / 2;
		sa = i * W, sb = (H - i)*w, sc = (H - i)* (W - w);
		MAX = max(sa, sb, sc), MIN = min(sa, sb, sc);
		ans = min(ans, MAX - MIN);
	}
	return ans;
}

int main() {
	int H, W;
	cin >> H >> W;
	cout << min(choco(H, W), choco(W, H)) << endl;
}

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:25:12:   required from here
   25 |                 MAX = max(sa, sb, sc), MIN = min(sa, sb, sc);
      |                       ~~~^~~~~~~~~~~~
/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:25:35:   required from here
   25 |                 MAX = max(sa, sb, sc), MIN = min(sa, sb, sc);
      |                                              ~~~^~~~~~~~~~~~
/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>
#include <numeric>
#define REP(i, s, n) for (int i = s; i < n; ++i)
#define rep(i, n) REP(i, 0, n)
#define SORT(c) sort((c).begin(), (c).end())
#define SORT_INV(c) sort((c).begin(), (c).end(), greater<int>())
#define IINF INT_MAX
#define LLINF LLONG_MAX
#define DEBUG false
#define LL long long
#define Num 1000000007
// sort(a.begin(), a.end(), std::greater<int>());
using namespace std;

LL int find(LL int x, LL int y)
{
    LLint ans = INT_MAX;
    rep(i, x)
    {
        vector<long long int > a(3);
        a[0] = i * y;
        LL int div = y / 2;
        a[1] = (x - i) * div;
        a[2] = (x - i) * (y - div);
        SORT(a);
        if (DEBUG)
            cout << a[0] << " " << a[1] << " " << a[2] << endl;
        ans = min(ans, a[2] - a[0]);
        div = (x - i) / 2;
        a[0] = i * y;
        a[1] = y * div;
        a[2] = y * (x - i - div);
        SORT(a);
        if (DEBUG)
            cout << a[0] << " " << a[1] << " " << a[2] << endl;
        ans = min(ans, a[2] - a[0]);
    }
    return ans;
}
int main()
{
    LL int h, w;
    cin >> h >> w;
    cout << min(find(h, w), find(w, h)) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'long long int find(long long int, long long int)':
a.cc:17:5: error: 'LLint' was not declared in this scope
   17 |     LLint ans = INT_MAX;
      |     ^~~~~
a.cc:28:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |         ans = min(ans, a[2] - a[0]);
      |         ^~~
      |         abs
a.cc:38:12: error: 'ans' was not declared in this scope; did you mean 'abs'?
   38 |     return ans;
      |            ^~~
      |            abs