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

#include <iostream>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <utility>
using namespace std;
#define REP(i,n) for (int i=0;i<(n);++i)
#define rep(i,a,b) for(int i=a;i<(b);++i)
using ll = long long;

int main() {
    cin.tie(0); ios_base::sync_with_stdio(false);
    ll N,K,x[50],y[50]; cin >> N >> K;
    vector<pair<ll,ll> > p;
    ll ans = LLONG_MAX;
    REP(i,N){
        cin >> x[i] >> y[i];
        p.emplace_back(x[i], y[i]);
    }
    sort(x, x + N);
    sort(y, y + N);

    for(int i = 0; i < N; ++i) {
        ll minx = x[i]; ll maxx = x[i];
        ll miny = y[i]; ll maxy = y[i];
        for(int j = 0; j < N; ++j) {
            // make rect
            minx = min(minx, x[j]); maxx = max(maxx, x[j]);
            miny = min(miny, y[j]); maxy = max(maxy, y[j]);
            // check if this rect has K point inside
            int cnt = 0;
            for(int k = 0; k < N; ++k) {
                if(minx<=p[k].first && p[k].first<=maxx && miny<=p[k].second && p[k].second<=maxy) ++cnt;
            }
            if(cnt < K) continue;
            ans = min(ans, abs(minx - maxx) * abs(miny - maxy));
        }
    }
    cout << ans << '\n';
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: 'LLONG_MAX' was not declared in this scope
   16 |     ll ans = LLONG_MAX;
      |              ^~~~~~~~~
a.cc:7:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include <utility>
  +++ |+#include <climits>
    7 | using namespace std;
Language: C++

#include<iostream>
#include<array>
#include<vector>
#include <algorithm>
#include <string>
#include <utility>
#include <set>
#include <map>
#include <tuple>
#include<cmath>
#include<queue>

using lli = long long int;
using namespace std;
int inf = 1000000007;

int N, K;
lli x, y;

int main() {
	cin >> N >> K;
	vector<array<lli, 2>> xy(N);
	for (int i = 0; i < N; i++) {
		cin >> x >> y;
		xy[i] = { x,y };
	}
	lli ans = LLONG_MAX;
	for (int x1 = 0; x1 < N; x1++)
		for (int x2 = 0; x2 < N; x2++)
			for (int y1 = 0; y1 < N; y1++)
				for (int y2 = 0; y2 < N; y2++) {
					//4点選んで内包数カウント
					lli min_x = min(xy[x1][0], xy[x2][0]);
					lli max_x = max(xy[x1][0], xy[x2][0]);
					lli min_y = min(xy[y1][1], xy[y2][1]);
					lli max_y = max(xy[y1][1], xy[y2][1]);
					int val = 0;
					for (int i = 0; i < N; i++) {
						x = xy[i][0];
						y = xy[i][1];
						if (min_x <= x && x <= max_x && min_y <= y && y <= max_y)val++;
					}
					if (val == K) ans = min(ans, (max_x - min_x) * (max_y - min_y));
				}
	cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:19: error: 'LLONG_MAX' was not declared in this scope
   27 |         lli ans = LLONG_MAX;
      |                   ^~~~~~~~~
a.cc:12:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   11 | #include<queue>
  +++ |+#include <climits>
   12 |
Language: C++

#ifdef _DEBUG
#include "MyLib.h"
#else
#define main_D main
#include "bits/stdc++.h" 
#include <regex>
#define _USE_MATH_DEFINES
#include <math.h>
#define FOR(i,s,e) for (int i = int(s); i < int(e); ++i)
#define REP(i,e) FOR(i,0,e)
#define INF (INT_MAX/2)
#define EPS (1.0e-8)
#define LINF (LLONG_MAX/2)
const int MGN = 8;
const int ARY_SZ_MAX = 10000000;
using namespace std;
using ll = long long; using ull = unsigned long long;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vl = vector<ll>; using vvl = vector<vl>;
using vd = vector<double>; using vs = vector<string>;
using pii = pair<int, int>; using pll = pair<ll, ll>;
// functions

#endif


int main_D() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    int N, K; cin >> N >> K;
    vl X(N), Y(N);
    REP(i, N) cin >> X[i] >> Y[i];

    vector<pll> P;
    REP(i, N) P.push_back(pll(X[i], Y[i]));

    ll ans = LINF;
    sort(P.begin(), P.end());
    REP(i, N-K+1){
        ll yLo = LINF, yHi = -LINF;
        FOR(j,i,i+K) {
            yLo = min(yLo, P[j].second);
            yHi = max(yHi, P[j].second);
        }
        ll xLo = P[i].first, xHi = P[i + K - 1].first;
        ans = min(ans, (xHi - xLo)*(yHi - yLo));
    }

    sort(P.begin(), P.end(), second_smaller);
    REP(i, N-K+1){
        ll xLo = LINF, xHi = -LINF;
        FOR(j,i,i+K) {
            xLo = min(xLo, P[j].first);
            xHi = max(xHi, P[j].first);
        }
        ll yLo = P[i].second, yHi = P[i + K - 1].second;
        ans = min(ans, (xHi - xLo)*(yHi - yLo));
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:51:30: error: 'second_smaller' was not declared in this scope
   51 |     sort(P.begin(), P.end(), second_smaller);
      |                              ^~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
#define int long long
#define double long double
#define mod 1000000007
#define F first
#define S second
#define P pair<long long,long long>
#define all(a) a.begin(),a.end()
#define INF 1000000000000000
#define endl '\n'
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; }
using namespace std;

signed main(){
    int n,k; cin>>n>>k;
    vector<int> x(n),y(n);
    rep(i,n)cin>>x.at(i)>>y.at(i);
    int ans=0;
    rep(i,n)rep(j,n)rep(k,n)rep(l,n){
        int x1=x.at(i),x2=x.at(j),y1=y.at(k),y2=y.at(l);
        int cnt=0;
        rep(m,n){
            int X=x.at(m),Y=y.at(m);
            if(X>=x1 and X<=x2 and Y>=y1 and Y<=y2)cnt++;
        }
        if(cnt>=k){
            chmin(ans, abs(x2-x1)*abs(y2-y1));
        }
    }
    cout<<ans<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:32:21: error: expected '}' at end of input
   32 |     cout<<ans<<endl;
      |                     ^
a.cc:16:14: note: to match this '{'
   16 | signed main(){
      |              ^
Language: C++

#include<iostream>
#include<vector>
#include<math.h>

using namespace std;

int main(){
  int n, k;
  cin >> n >> k;
  vector<long long> a,b;
  long long x[50],y[50];
  for(int i = 0; i < n ; i++){
    cin >> x[i] >> y[i];
    a.push_back(x[i]);
    b.push_back(y[i]);
  }
  sort(a.begin(), a.end());
  sort(b.begin(), b.end());

  long long ans = (a[n-1]-a[0])*(b[n-1]-a[0]);

  for(int xi = 0; xi < n ; xi++){
    for(int xj = xi + 1; xj < n; xj++){
      for(int yi = 0 ; yi < n ; yi++){
        for(int yj = 0; yj < n ; yj++){
          int count = 0;
          for(int c = 0 ; c < n; c++){
            if(x[c] >= x[xi] && x[c] <= x[xj] && y[c] >= y[yi] && y[c] <= y[yj]) count++;
          }
          if(count >= k) ans = min(ans, 1LL * (x[xj] - x[xi]) * (y[yj] -y[yi]));
        }
      }
    }
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   17 |   sort(a.begin(), a.end());
      |   ^~~~
      |   sqrt
Language: C++

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

using namespace std;

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

#define MOD 1000000007
#define REP(i, N) for (int i = 0; i < N; ++i)
#define REP1(i, N) for (int i = 1; i <= N; ++i)
#define RREP(i, N) for (int i = N - 1; i >= 0; --i)
#define ALL(a) a.begin(), a.end()

int main()
{
  int N, K;
  cin >> N >> K;
  vector<int> x(N), y(N);
  REP(i, N)
  cin >> x[i] >> y[i];
  vector<int> vx(N), vy(N);
  REP(i, N)
  {
    vx[i] = x[i];
    vy[i] = y[i];
  }
  sort(ALL(vx));
  sort(ALL(vy));
  ll ans = LONG_MAX;
  for (int i = 0; i < N - 1; i++)
  {
    for (int j = i + 1; j < N; j++)
    {
      for (int k = 0; k < N - 1; k++)
      {
        for (int l = k + 1; l < N; l++)
        {
          int lx = vx[i], rx = vx[j];
          int ly = vy[k], ry = vy[l];
          int count = 0;
          REP(m, N)
          {
            if (lx <= x[m] && x[m] <= rx && ly <= y[m] && y[m] <= ry)
              count++;
          }
          if (K <= count)
            ans = min(ans, (ll)(rx - lx) * (ry - ly));
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:12: error: 'LONG_MAX' was not declared in this scope
   31 |   ll ans = LONG_MAX;
      |            ^~~~~~~~
a.cc:4:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include <algorithm>
  +++ |+#include <climits>
    4 |
Language: C++

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


int main()
{
    int N, K;
    cin >> N >> K;
    vector<pair<int,int>> coord(N);
    for( int i = 0; i < N; ++i ){
        int x, y;
        cin >> x >> y;
        coord[i] = make_pair( x, y );
    }


    sort( coord.begin(), coord.end() );
    long ans = LONG_MAX;
    for( int i = 0; i <= N-K; ++i ){
        int ypmax = 0, ymmax = 0;
        int ypmin = INT_MAX, ymmin = INT_MAX;
        for( int j = i; j < i+K; ++j ){
            if( coord[j].second >= 0 ){
                ypmax = max( ypmax, coord[j].second );
                ypmin = min( ypmin, coord[j].second );
            }else{
                ymmax = max( ymmax, abs(coord[j].second) );
                ymmin = min( ymmin, abs(coord[j].second) );
            }
        }
        // cout << ypmax << " " << ypmin << endl;
        // cout << ymmax << " " << ymmin << endl;
        long y;
        if( ymmax == 0 ) y = ypmax - ypmin;
        else if( ypmax == 0 ) y = ymmax - ymmin;
        else y = ypmax + ymmax;
        
        ans = min( ans, (coord[i+K-1].first - coord[i].first) * y );
    }
    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:16: error: 'LONG_MAX' was not declared in this scope
   21 |     long ans = LONG_MAX;
      |                ^~~~~~~~
a.cc:5:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    4 | #include <utility>
  +++ |+#include <climits>
    5 | using namespace std;
a.cc:24:21: error: 'INT_MAX' was not declared in this scope
   24 |         int ypmin = INT_MAX, ymmin = INT_MAX;
      |                     ^~~~~~~
a.cc:24:21: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
a.cc:31:17: error: 'ymmin' was not declared in this scope; did you mean 'ypmin'?
   31 |                 ymmin = min( ymmin, abs(coord[j].second) );
      |                 ^~~~~
      |                 ypmin
a.cc:38:43: error: 'ymmin' was not declared in this scope; did you mean 'ypmin'?
   38 |         else if( ypmax == 0 ) y = ymmax - ymmin;
      |                                           ^~~~~
      |                                           ypmin
Language: C++

#include<iostream>
#include<queue>

using namespace std;

int N,K;
long long x[50],y[50];
long long sortX[50],sortY[50];
bool LargeThanK(int i,int j,int k,int l){
    int tmp=0;
    for(int t=0;t<N;t++){
        if(x[t]>=sortX[i] && x[t]<=sortX[j]){
            if(y[t]>=sortY[k] && y[t]<=sortY[l]){
                tmp++;
            }
        }
    }
    if(tmp>=K){
        return true;
    }else{
        return false;
    }
}

int main(){
    cin>>N>>K;
    for(int i=0;i<N;i++){
        cin>>x[i]>>y[i];
        sortX[i]=x[i];
        sortY[i]=y[i];
    }
    sort(sortX,sortX+N); sort(sortY,sortY+N);
    long long ans = 4*1e18+1;
    for(int i=0;i<N;i++){
        for(int j=i+1;j<N;j++){
            for(int k=0;k<N;k++){
                for(int l=k;l<N;l++){
                    if(LargeThanK(i,j,k,l)){
                        long long area=(sortX[j]-sortX[i])*(sortY[l]-sortY[k]);
                        ans=min(ans,area);
                    }
                }
            }
        }
    }
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:5: error: 'sort' was not declared in this scope; did you mean 'sortY'?
   32 |     sort(sortX,sortX+N); sort(sortY,sortY+N);
      |     ^~~~
      |     sortY
Language: C++

#include <cstring>
#include <cstdio>
#include <algorithm>
#include <iostream>
#include <vector>
#include <map>
#include <unordered_map>
#include <cmath>
#include <queue>
#include <set>
#include <stack>

using namespace std;
typedef long long ll;
typedef pair<int, int> P;
#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)
#define repr(i, n) for(ll i = n - 1; i >= 0; i--)
#define repone(i, n) for(ll i = 1; i <= (ll)(n); i++)
#define each(i, mp) for(auto i:mp)
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
const ll mod = 1000000007;
const ll inf = ll(1e9);
const ll half_inf = ll(1e5);
const ll ll_inf = ll(1e9) * ll(1e9);

ll k, n;
vector<ll> x, y;
vector<pair<ll, ll>> xy;
vector<ll> dpx, dpy;

void solve() {
    sort(x.begin(), x.end());
    sort(y.begin(), y.end());

    ll ans = LLONG_MAX;
    rep(i, n) { // left x
        repr(j, n) { // right x
            rep(t, n) { // under y
                repr(l, n) { // top y
                    ll l_x = x[i], r_x = x[j], u_y = y[t], t_y = y[l];
                    int c = 0;
                    rep(s, n) {
                        if (l_x <= xy[s].first && xy[s].first <= r_x && u_y <= xy[s].second &&
                            xy[s].second <= t_y) {
                            c++;
                        }
                    }
                    if (c >= k) ans = min((r_x - l_x) * (t_y - u_y), ans);
                }
            }
        }
    }

    cout << ans << endl;
}

int main() {
    cin >> n >> k;
    x.resize(n), y.resize(n);
    dpx.resize(n), dpy.resize(n);
    xy.resize(n);
    rep(i, n) {
        cin >> x[i] >> y[i];
        xy[i] = make_pair(x[i], y[i]);
    }
    solve();
    return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:35:14: error: 'LLONG_MAX' was not declared in this scope
   35 |     ll ans = LLONG_MAX;
      |              ^~~~~~~~~
a.cc:12:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   11 | #include <stack>
  +++ |+#include <climits>
   12 |
Language: C++

/**
 *      purpose : ABC 75 D
 *      author  : kyomukyomupurin
 *      created : 2019-01-27 19:29:15
**/

// in, out
#include <iostream>
// container class
/*
#include <array>
#include <deque>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
// math, algorithm
#include <algorithm>
#include <cmath>
#include <complex>
#include <numeric>
*/
// etc
/*
#include <bitset>
#include <chrono>
#include <iomanip>
#include <random>
#include <utility>
*/
// using-directive
using namespace std;
// alias templates
using int64 = int64_t;
using pii = pair<int, int>;
using pll = pair<int64_t, int64_t>;
// text macro replacement
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define all(v) (v).begin(), (v).end()
#define print(x) cout << (x) << '\n'
/*
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define fi first
#define se second
*/

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int64 n, k; cin >> n >> k;
    int64 x[n], y[n];
    rep(i, n) cin >> x[i] >> y[i];

    sort(x, x + n); sort(y, y + n);

    int64 ans = (x[n - 1] - x[0]) * (y[n - 1] - y[0]);  // largest rectangle

    for (int64 xleft = 0; xleft < n; ++xleft){
        for (int64 xright = xleft + 1; xright < n; ++xright){
            for (int64 ybottom = 0; ybottom < n; ++ybottom){
                for (int64 yupper = ybottom + 1; yupper < n; ++yupper){
                    int64 cnt = 0;
                    int64 left = x[xleft], right = x[xright], upper = y[yupper], bottom = y[ybottom];
                    for (int i = 0; i < n; ++i){
                        if (x[i] >= left && x[i] <= right && y[i] >= bottom && y[i] <= upper) ++cnt;
                    }

                    if (cnt >= k) ans = min(ans, (right - left) * (upper - bottom));
                }
            }
        }
    }

    print(ans);
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:61:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   61 |     sort(x, x + n); sort(y, y + n);
      |     ^~~~
      |     short
Language: C++

n, k = map(int, input().split())

import numpy as np
xy = np.zeros((n, 2), dtype=int)

for i in range(n):
	buf = input().split()
	xy[i][0] = int(buf[0])
	xy[i][1] = int(buf[1])

index = np.argsort(xy.T[0])
xysort = xy[index]

area = -1
for i in range(n-k+1):#nankotoruka
	num = k+i
	for j in range(n-(k+i)+1):
		y = np.sort(xysort[j: j+(k+i)].T[1])
		w = xysort[j+k+i-1][0] - xysort[j][0]
		hmin = y[k-1]-y[0]
		for p in range(i+1):
			if(y[p+k-1]-y[p] < hmin):
				hmin = y[p+k-1]-y[p]
		if(area == -1):
			area = w*hmin
		elif(w*hmin < area):
			area = w*hmin
			
print(area)
				


Compiler output:
a.cc:15:23: error: stray '#' in program
   15 | for i in range(n-k+1):#nankotoruka
      |                       ^
a.cc:1:1: error: 'n' does not name a type
    1 | n, k = map(int, input().split())
      | ^
Language: C++

#include<algorithm>
#include<complex>
#include<ctype.h>
#include<iomanip>
#include<iostream>
#include<map>
#include<math.h>
#include<numeric>
#include<queue>
#include<set>
#include<stack>
#include<stdio.h>
#include<string>
#include<string>
#include<vector>

using namespace std;
typedef long long ll;

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("Yes")
#define p_no() p("No")

const ll mod = 1e9 + 7;
const ll inf = 1e18;

struct Point{
    ll x;
    ll y;
    Point(ll _x, ll _y){
        x = _x;
        y = _y;
    }
};

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

    // input
    int N, K;
    cin >> N >> K;

    vector<ll> X(N);
    vector<ll> Y(N);
    vector<Point> P;
    P.reserve(N);

    FOR(i, 0, N){
        ll x, y;
        cin >> x >> y;
        X[i] = x;
        Y[i] = y;
        auto p = Point(x, y);
        P.push_back(p);
    }

    sort(ALL(X));
    sort(ALL(Y));

    ll min_area = LONG_MAX;
    FOR(i, 0, N-1){
        FOR(j, i+1, N){
            FOR(k, 0, N-1){
                FOR(l, k+1, N){
                    ll x_left = X[i];
                    ll x_right = X[j];
                    ll y_lower = Y[k];
                    ll y_upper = Y[l];

                    ll count = 0;
                    // その中に点は含まれるか
                    for(auto p : P){
                        if(x_left <= p.x && p.x <= x_right && y_lower <= p.y && p.y <= y_upper){
                            count++;
                        }
                    }
                    if(count >= K){
                        ll area = (x_right - x_left) * (y_upper - y_lower);
                        min_area = min(min_area, area);
                    }
                }
            }
        }
    }

    p(min_area);
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:65:19: error: 'LONG_MAX' was not declared in this scope
   65 |     ll min_area = LONG_MAX;
      |                   ^~~~~~~~
a.cc:12:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   11 | #include<stack>
  +++ |+#include <climits>
   12 | #include<stdio.h>
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <cmath>
typedef long long ll;
typedef unsigned int uint;
using namespace std;

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

    int n, k;
    cin >> n >> k;
    ll x[n], y[n];
    for (int i = 0; i < n; i++) {
        cin >> x[i] >> y[i];
    }

    ll ans = LONG_MAX;
    for (int i = 0; i < n-1; i++) {
        for (int j = i+1; j < n; j++) {
            ll xl = min(x[i], x[j]);
            ll xr = max(x[i], x[j]);
            ll yd = min(y[i], y[j]);
            ll yu = max(y[i], y[j]);

            int count = 0;
            for (int l = 0; l < n; l++) {
                if (x[l]>=xl && x[l]<=xr && y[l]>=yd && y[l]<=yu) {
                    count++;
                }
            }

            if (count >= k) {
                ans = min(ans, (xr-xl)*(yu-yd));
            }
        }
    }

    cout << ans << "\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:14: error: 'LONG_MAX' was not declared in this scope
   22 |     ll ans = LONG_MAX;
      |              ^~~~~~~~
a.cc:7:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include <cmath>
  +++ |+#include <climits>
    7 | typedef long long ll;
Language: C++

#include <iostream>

using namespace std;

int main(){


        int n, k;
        cin >> n >> k;

        long long x[n], y[n];
        for(int i=0; i<n; ++i){
                cin >> x[i] >> y[i];
        }

        sort(x, x+n);
        sort(y, y+n);

        cout << (x[k-1]-x[0]) * (y[k-1]-y[0]) << endl;

        return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   16 |         sort(x, x+n);
      |         ^~~~
      |         short
Language: C++

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define y1 cgvxghg
#define y2 bjotzkb

vector<ll> x;
vector<ll> y;
int N, K;

bool ran(ll a, ll c, ll b)
{
  return a <= c && c <= b;
}

ll cnt(ll xmi, ll ymi, ll xma, ll yma)
{
  int c = 0;
  for (int i = 0; i < N; i++) {
    if (ran(xmi, x[i], xma) && ran(ymi, y[i], yma)) {
      c++;
    }
  }
  if (c >= K) {
    return (xma - xmi) * (yma - ymi);
  }
  return 8e18;
}

int main()
{
  cin >> N >> K;
  x.resize(N);
  y.resize(N);
  ll res = 8e18;
  for (int i = 0; i < N; i++) {
    cin >> x[i] >> y[i];
  }
  for (int x1 = 0; x1 < N; x1++) {
    for (int x2 = 0; x2 < N; x2++) {
      if (x[x1] > x[x2]) continue;
      for (int y1 = 0; y1 < N; y1++) {
        for (int y2 = 0; y2 < N; y2++) {
          if (y[y1] > y[y2]) continue;
          res = min(res, cnt(x[x1], y[y1], x[x2], y[y2]));
        }
      }
    }
  }
  cout << res << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:52:23: error: expected '}' at end of input
   52 |   cout << res << endl;
      |                       ^
a.cc:33:1: note: to match this '{'
   33 | {
      | ^
Language: C++

#include<stdio.h>
#include<iostream>
#include<stdlib.h>
#include<vector>
#include<algorithm>
#include<utility>
#include<string>
#include<cstring>
#include<queue>
#include<stack>
#include<map>
#include<set>
#include<iterator>
//#include<math.h>

using namespace std;
#define int long long
/*                      */    //#undef int
#define INF 1000000009
#define INFL 1000000000000000018ll
#define mod 1000000007ll
#define pb push_back
#define fi first
#define se second
#define mk make_pair
typedef pair<int, int> PA;
typedef priority_queue<int> PQ;
typedef priority_queue<PA, vector<PA>, greater<PA> >PQG;

int N, K, x[60], y[60], ans = LONG_LONG_MAX - 1;

signed main()
{
    cin >> N >> K;
    for(int i = 0; i < N; i++){
        cin >> x[i] >> y[i];
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            for(int k = 0; k < N; k++){
                for(int r = 0; r < N; r++){
                    int cnt = 0;
                    if(x[k] - x[i] < 0 || y[r] - y[j] < 0)continue;
                    for(int l = 0; l < N; l++){
                        if(x[i] <= x[l] && x[l] <= x[k] && y[j] <= y[l] && y[l] <= y[r]){
                            cnt++;
                        }
                    }
                    if(cnt >= K){
                        ans = min(ans, (x[k] - x[i]) * (y[r] - y[j]));
                    }
                }
            }
        }
    }
    cout << ans << endl;


    return 0;
}
/*


*/


Compiler output:
a.cc:30:31: error: 'LONG_LONG_MAX' was not declared in this scope
   30 | int N, K, x[60], y[60], ans = LONG_LONG_MAX - 1;
      |                               ^~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include<bits/stdc++.h>

#define ALL(obj) (obj).begin(), (obj).end()
#define FOR(i,a,b) for(int i = (a); i < (b); i++)
#define RFOR(i,a,b) for(int i = (a); (b) <= i; i--)
#define REP(i,n) for(int i = 0; i < (n); i++)
#define RREP(i,n) for(int i = n; n <= i; i--)
#define ABS(a) ((a < 0) ? ((-1)*(a)) : (a))
#define elif else if
#define MOD 1000000007
#define INF (1<<29)

using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll N,K;
  cin >> N >> K;
  ll x[N],y[N];
  vector<ll> xary,yary;
  ll max_x=INF,min_x=-INF,min_y=-INF,max_y=INF;
  REP(i,N){
    cin >> x[i] >> y[i];
    xary.push_back(x[i]);
    yary.push_back(y[i]);
  }
  sort(ALL(xary));
  sort(ALL(yary));
  ll ans = 1LL*(xary[N-1]-xary[0])*(yary[N-1]-yary[0]);
  for(int xi=0;xi<N;xi++){
  for(int xj=0;xj<N;xj++){
  for(int yi=0;yi<N;yi++){
  for(int yj=0;yj<N;yj++){
          ll num =0;
           ll lx=xary[xi],rx=xary[xj];
           ll by=yary[yi],uy=yary[yj];
           REP(i,N){
             if(lx<=x[i] && x[i]<=rx && by<=y[i] && y[i]<=uy){
               num++;
             }
            if(num>=k){
              ans=min(ans,1LL*(rx-lx)*(uy-by))
            }
           }
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:60:21: error: 'k' was not declared in this scope
   60 |             if(num>=k){
      |                     ^
a.cc:61:47: error: expected ';' before '}' token
   61 |               ans=min(ans,1LL*(rx-lx)*(uy-by))
      |                                               ^
      |                                               ;
   62 |             }
      |             ~
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include<bits/stdc++.h>

#define ALL(obj) (obj).begin(), (obj).end()
#define FOR(i,a,b) for(int i = (a); i < (b); i++)
#define RFOR(i,a,b) for(int i = (a); (b) <= i; i--)
#define REP(i,n) for(int i = 0; i < (n); i++)
#define RREP(i,n) for(int i = n; n <= i; i--)
#define ABS(a) ((a < 0) ? ((-1)*(a)) : (a))
#define elif else if
#define MOD 1000000007
#define INF (1<<29)

using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll N,K;
  cin >> N >> K;
  ll x[N],y[N];
  vector<ll> xary,yary;
  ll max_x=INF,min_x=-INF,min_y=-INF,max_y=INF;
  REP(i,N){
    cin >> x[i] >> y[i];
    xary.push_back(x[i]);
    yary.push_back(y[i]);
  }
  sort(ALL(xary));
  sort(ALL(yary));
  ll ans = 1LL*(xary[N-1]-xary[0])*(yary[N-1]-yary[0])
  for(int xi=0;xi<N;xi++){
  for(int xj=0;xj<N;xj++){
  for(int yi=0;yi<N;yi++){
  for(int yj=0;yj<N;yj++){
          ll num =0;
           ll lx=xary[xi],rx=xary[xj];
           ll by=yary[yi],uy=yary[yj];
           REP(i,N){
             if(lx<=x[i] && x[i]<=rx && by<=y[i] && y[i]<=uy){
               num++;
             }
            if(num>=k){
              ans=min(ans,1LL*(rx-lx)*(uy-by))
            }
           }
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:3: error: expected ',' or ';' before 'for'
   49 |   for(int xi=0;xi<N;xi++){
      |   ^~~
a.cc:49:16: error: 'xi' was not declared in this scope; did you mean 'x'?
   49 |   for(int xi=0;xi<N;xi++){
      |                ^~
      |                x
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include<bits/stdc++.h>

#define ALL(obj) (obj).begin(), (obj).end()
#define FOR(i,a,b) for(int i = (a); i < (b); i++)
#define RFOR(i,a,b) for(int i = (a); (b) <= i; i--)
#define REP(i,n) for(int i = 0; i < (n); i++)
#define RREP(i,n) for(int i = n; n <= i; i--)
#define ABS(a) ((a < 0) ? ((-1)*(a)) : (a))
#define elif else if
#define MOD 1000000007
#define INF (1<<29)

using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll N,K;
  cin >> N >> K;
  ll x[N],y[N];
  vector<ll> xary,yary;
  ll max_x=INF,min_x=-INF,min_y=-INF,max_y=INF;
  REP(i,N){
    cin >> x[i] >> y[i];
    xary.push_back(x[i]);
    yary.push_back(y[i]);
  }
  sort(ALL(xary));
  sort(ALL(yary));
  ll ans = 1LL*(xary[N-1]-xary[0])*(yary[N-1]-yary[0])
  REP(xi,N){
    REP(xj,N){
      REP(yi,N){
        REP(yj,N){
          ll num =0;
           ll lx=xary[xi],rx=xary[xj];
           ll by=yary[yi],uy=yary[yj];
           REP(i,N){
             if(lx<=x[i] && x[i]<=rx && by<=y[i] && y[i]<=uy){
               num++;
             }
            if(num>=k){
              ans=min(ans,1LL*(rx-lx)*(uy-by))
            }
           }
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:18: error: expected ',' or ';' before 'for'
   20 | #define REP(i,n) for(int i = 0; i < (n); i++)
      |                  ^~~
a.cc:49:3: note: in expansion of macro 'REP'
   49 |   REP(xi,N){
      |   ^~~
a.cc:49:7: error: 'xi' was not declared in this scope; did you mean 'x'?
   49 |   REP(xi,N){
      |       ^~
a.cc:20:33: note: in definition of macro 'REP'
   20 | #define REP(i,n) for(int i = 0; i < (n); i++)
      |                                 ^
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include<bits/stdc++.h>

#define ALL(obj) (obj).begin(), (obj).end()
#define FOR(i,a,b) for(int i = (a); i < (b); i++)
#define RFOR(i,a,b) for(int i = (a); (b) <= i; i--)
#define REP(i,n) for(int i = 0; i < (n); i++)
#define RREP(i,n) for(int i = n; n <= i; i--)
#define ABS(a) ((a < 0) ? ((-1)*(a)) : (a))
#define elif else if
#define MOD 1000000007
#define INF (1<<29)

using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll N,K;
  cin >> N >> K;
  ll x[N],y[N];
  vector<ll> xary,yary;
  ll max_x=INF,min_x=-INF,min_y=-INF,max_y=INF;
  REP(i,N){
    cin >> x[i] >> y[i];
    xary.push_back(x[i]);
    yary.push_back(y[i]);
  }
  sort(ALL(xary));
  sort(ALL(yary));
  ll ans = 1LL*(xary[n-1]-xary[0])*(yary[n-1]-yary[0])
  REP(xi,N){
    REP(xj,N){
      REP(yi,N){
        REP(yj,N){
          ll num =0;
           ll lx=xary[xi],rx=xary[xj];
           ll by=yary[yi],uy=yary[yj];
           REP(i,N){
             if(lx<=x[i] && x[i]<=rx && by<=y[i] && y[i]<=uy){
               num++;
             }
            if(num>=k){
              ans=min(ans,1LL*(rx-lx)*(uy-by))
            }
           }
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:22: error: 'n' was not declared in this scope
   48 |   ll ans = 1LL*(xary[n-1]-xary[0])*(yary[n-1]-yary[0])
      |                      ^
a.cc:49:7: error: 'xi' was not declared in this scope; did you mean 'x'?
   49 |   REP(xi,N){
      |       ^~
a.cc:20:33: note: in definition of macro 'REP'
   20 | #define REP(i,n) for(int i = 0; i < (n); i++)
      |                                 ^
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include<bits/stdc++.h>

#define ALL(obj) (obj).begin(), (obj).end()
#define FOR(i,a,b) for(int i = (a); i < (b); i++)
#define RFOR(i,a,b) for(int i = (a); (b) <= i; i--)
#define REP(i,n) for(int i = 0; i < (n); i++)
#define RREP(i,n) for(int i = n; n <= i; i--)
#define ABS(a) ((a < 0) ? ((-1)*(a)) : (a))
#define elif else if
#define MOD 1000000007
#define INF (1<<29)

using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll N,K;
  cin >> N >> K;
  ll x[i],y[i];
  vector<ll> xary,yary;
  ll max_x=INF,min_x=-INF,min_y=-INF,max_y=INF;
  REP(i,N){
    cin >> x[i] >> y[i];
    xary.push_back(x[i]);
    yary.push_back(y[i]);
  }
  sort(ALL(xary));
  sort(ALL(yary));
  ll ans = 1LL*(xary[n-1]-xary[0])*(yary[n-1]-yary[0])
  REP(xi,N){
    REP(xj,N){
      REP(yi,N){
        REP(yj,N){
          ll num =0;
           ll lx=xary[xi],rx=xary[xj];
           ll by=yary[yi],uy=yary[yj];
           REP(i,N){
             if(lx<=x[i] && x[i]<=rx && by<=y[i] && y[i]<=uy){
               num++;
             }
            if(num>=k){
              ans=min(ans,1LL*(rx-lx)*(uy-by))
            }
           }
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:8: error: 'i' was not declared in this scope
   38 |   ll x[i],y[i];
      |        ^
a.cc:42:12: error: 'x' was not declared in this scope
   42 |     cin >> x[i] >> y[i];
      |            ^
a.cc:42:20: error: 'y' was not declared in this scope
   42 |     cin >> x[i] >> y[i];
      |                    ^
a.cc:48:22: error: 'n' was not declared in this scope
   48 |   ll ans = 1LL*(xary[n-1]-xary[0])*(yary[n-1]-yary[0])
      |                      ^
a.cc:49:7: error: 'xi' was not declared in this scope
   49 |   REP(xi,N){
      |       ^~
a.cc:20:33: note: in definition of macro 'REP'
   20 | #define REP(i,n) for(int i = 0; i < (n); i++)
      |                                 ^
Language: C++

typedef long long ll;
int N, K;
ll X[101], Y[101];
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> N >> K;
    rep(i, 0, N) cin >> X[i] >> Y[i];
 
    set<int> xx, yy;
    rep(i, 0, N) xx.insert(X[i]);
    rep(i, 0, N) yy.insert(Y[i]);
 
    ll ans = -1;
    fore(sx, xx) fore(sy, yy) fore(tx, xx) fore(ty, yy) if (sx <= tx and sy <= ty) {
        ll sm = 1LL * (tx - sx) * (ty - sy);
 
        int c = 0;
        rep(i, 0, N) if (sx <= X[i] and X[i] <= tx and sy <= Y[i] and Y[i] <= ty) c++;
        if (K <= c) {
            if (ans < 0) ans = sm;
            ans = min(ans, sm);
            
        }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'void _main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> N >> K;
      |     ^~~
a.cc:7:9: error: 'i' was not declared in this scope
    7 |     rep(i, 0, N) cin >> X[i] >> Y[i];
      |         ^
a.cc:7:5: error: 'rep' was not declared in this scope
    7 |     rep(i, 0, N) cin >> X[i] >> Y[i];
      |     ^~~
a.cc:9:5: error: 'set' was not declared in this scope
    9 |     set<int> xx, yy;
      |     ^~~
a.cc:9:9: error: expected primary-expression before 'int'
    9 |     set<int> xx, yy;
      |         ^~~
a.cc:14:10: error: 'sx' was not declared in this scope
   14 |     fore(sx, xx) fore(sy, yy) fore(tx, xx) fore(ty, yy) if (sx <= tx and sy <= ty) {
      |          ^~
a.cc:14:14: error: 'xx' was not declared in this scope
   14 |     fore(sx, xx) fore(sy, yy) fore(tx, xx) fore(ty, yy) if (sx <= tx and sy <= ty) {
      |              ^~
a.cc:14:5: error: 'fore' was not declared in this scope
   14 |     fore(sx, xx) fore(sy, yy) fore(tx, xx) fore(ty, yy) if (sx <= tx and sy <= ty) {
      |     ^~~~
a.cc:25:5: error: 'cout' was not declared in this scope
   25 |     cout << ans << endl;
      |     ^~~~
a.cc:25:20: error: 'endl' was not declared in this scope
   25 |     cout << ans << endl;
      |                    ^~~~
Language: Java

import java.util.*;

class Main {
  public static void main (String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int m = sc.nextInt();
    int[][] points = new int[n][2];
    for(int i = 0; i < n; i++) {
      points[i][0] = sc.nextInt();
      points[i][1] = sc.nextInt();
    }
    int min = 10000000;
    for(int i = 0; i < n; i++) {
      for(int j = 0; j < n; j++) {
        for(int k = 0; k < n; k++) {
          if(i != j && i != k && j != k) {
            int recX1 = points[i][0];
            int recY1 = points[i][1];
            int recX2, recY2;
            if(points[j][0] >= points[k][0]) {
              if(points[j][0] >= recX1) {
                recX2 = points[j][0];
              } else {
                recX2 = points[k][0];
              }
            } else {
              if(points[k][0] >= recX1) {
                recX2 = points[k][0];
              } else {
                recX2 = points[j][0];
              }
            }
            if(points[j][1] <= points[k][1]) {
              if(points[j][1] <= recY1) {
                recY2 = points[j][1];
              } else {
                recY2 = points[k][1];
              }
            } else {
              if(points[k][1] >= recY1) {
                recY2 = points[k][1];
              } else {
                recY2 = points[j][1];
              }
            }
            int count = 0;
            for(int s = 0; s < points.length; s++) {
              if(checkIfInside(recX1, recY1, recX2, recY2, points[s][0], points[s][1])) {
                count++;
              }
            }
            if(count >= m) {
              min = Math.min(min, (int)(Math.abs(recX2-recX1)*Math.abs(recY2-recY1)));
            }
          }
        }
      }
    }
    System.out.println(min);
  }
}


Compiler output:
Main.java:49: error: cannot find symbol
              if(checkIfInside(recX1, recY1, recX2, recY2, points[s][0], points[s][1])) {
                 ^
  symbol:   method checkIfInside(int,int,int,int,int,int)
  location: class Main
1 error
Language: C++

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

using ll = long long;

int main() {
    int n, k;
    cin >> n >> k;
    vector<ll> x(n), y(n);
    vector<ll> xv(n), yv(n);
    for(int i = 0; i < n; i++) {
        cin >> x[i] >> y[i];
        xv[i] = x[i];
        yv[i] = y[i];
    }
    xv.erase(unique(xv.begin(), xv.end()), xv.end());
    yv.erase(unique(yv.begin(), yv.end()), yv.end());

    sort(xv.begin(), xv.end());
    sort(yv.begin(), yv.end());

    // 座標を照準で何番目かに圧縮
    int h = xv.size() + 1;
    int w = yv.size() + 1;
    vector<vector<int> > fld(h, vector<int>(w, 0));
    for(int i = 0; i < n; i++) {
        int idx_x = (int)(lower_bound(xv.begin(), xv.end(), x[i]) - xv.begin());
        int idx_y = (int)(lower_bound(yv.begin(), yv.end(), y[i]) - yv.begin());
        ++idx_x, ++idx_y;
        fld[idx_x][idx_y] = 1;;
    }

    // 累積和を計算
    for(int i = 1; i < h; i++) {
        for(int j = 1; j < w; j++) {
            fld[i][j] += fld[i-1][j] + fld[i][j-1] - fld[i-1][j-1];
        }
    }

    ll ans = LONG_LONG_MAX;
    for(int xi = 0; xi < h-1; xi++) {
        for(int xj = xi+1; xj < h-1; xj++) {
            for(int yi = 0; yi < w-1; yi++) {
                for(int yj = yi+1; yj < w-1; yj++) {
                    int num = fld[xi][yi] - fld[xj+1][yi] - fld[xi][yj+1] + fld[xj+1][yj+1];
                    if(num >= k) {
                        // cout << xj << " " << xi << ":: " << xv[xj]  << " " << xv[xi] << endl;
                        ans = min(ans, (xv[xj] - xv[xi]) * (yv[yj] - yv[yi]));
                    }
                }
            }
        }
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:14: error: 'LONG_LONG_MAX' was not declared in this scope
   42 |     ll ans = LONG_LONG_MAX;
      |              ^~~~~~~~~~~~~
Language: C++

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

using ll = long long;

int main() {
    int n, k;
    cin >> n >> k;
    vector<ll> x(n), y(n);
    vector<ll> xv(n), yv(n);
    for(int i = 0; i < n; i++) {
        cin >> x[i] >> y[i];
        xv[i] = x[i];
        yv[i] = y[i];
    }
    xv.erase(unique(xv.begin(), xv.end()), xv.end());
    yv.erase(unique(yv.begin(), yv.end()), yv.end());

    sort(xv.begin(), xv.end());
    sort(yv.begin(), yv.end());

    // 座標を照準で何番目かに圧縮
    int h = xv.size() + 1;
    int w = yv.size() + 1;
    vector<vector<int> > fld(h, vector<int>(w, 0));
    for(int i = 0; i < n; i++) {
        int idx_x = (int)(lower_bound(xv.begin(), xv.end(), x[i]) - xv.begin());
        int idx_y = (int)(lower_bound(yv.begin(), yv.end(), y[i]) - yv.begin());
        ++idx_x, ++idx_y;
        fld[idx_x][idx_y] = 1;;
    }

    // 累積和を計算
    for(int i = 1; i < h; i++) {
        for(int j = 1; j < w; j++) {
            fld[i][j] += fld[i-1][j] + fld[i][j-1] - fld[i-1][j-1];
        }
    }

    ll ans = LLONG_MAX;
    for(int xi = 0; xi < h-1; xi++) {
        for(int xj = xi+1; xj < h-1; xj++) {
            for(int yi = 0; yi < w-1; yi++) {
                for(int yj = yi+1; yj < w-1; yj++) {
                    int num = fld[xi][yi] - fld[xj+1][yi] - fld[xi][yj+1] + fld[xj+1][yj+1];
                    if(num >= k) {
                        // cout << xj << " " << xi << ":: " << xv[xj]  << " " << xv[xi] << endl;
                        ans = min(ans, (xv[xj] - xv[xi]) * (yv[yj] - yv[yi]));
                    }
                }
            }
        }
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:14: error: 'LLONG_MAX' was not declared in this scope
   42 |     ll ans = LLONG_MAX;
      |              ^~~~~~~~~
a.cc:4:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include<algorithm>
  +++ |+#include <climits>
    4 | using namespace std;
Language: C++

#include <iostream>
#include <vector>

using namespace std;

using ll = long long;

int main(void) {
    int n, k;
    cin >> n >> k;
    vector<int> x(n), y(n);
    vector<int> xary, yary;
    for (int i = 0; i < n; ++i) {
        cin >> x[i] >> y[i];
        xary.push_back(x[i]);
        yary.push_back(y[i]);
    }

    sort(begin(xary), end(xary));
    sort(begin(yary), end(yary));

    ll ans = 1LL * (xary[n - 1] - xary[0]) * (yary[n - 1] - yary[0]);

    for (int xi = 0; xi < n; ++xi) {
        for (int xj = xi + 1; xj < n; ++xj) {
            for (int yi = 0; yi < n; ++yi) {
                for (int yj = yi + 1; yj < n; ++yj) {
                    int num = 0;
                    ll lx = xary[xi], rx = xary[xj];
                    ll by = yary[yi], uy = yary[yj];

                    for (int i = 0; i < n; ++i) {
                        if (lx <= x[i] and x[i] <= rx and by <= y[i] and y[i] <= uy) {
                            num++;
                        }
                    }

                    if (num >= k) {
                        ans = min(ans, 1LL * (rx - lx) * (uy - by));
                    }
                }
            }
        }
    }

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

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   19 |     sort(begin(xary), end(xary));
      |     ^~~~
      |     short
Language: C++

#include<iostream>
using namespace std;

#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define POINT_MAX 50
#define ll long long

int main(void) {
    int n, k;
    ll x[POINT_MAX], y[POINT_MAX];
    ll ans=LONG_LONG_MAX;
    cin >> n >> k;
    rep(i, n) cin >> x[i] >> y[i];
    rep(l, n) {
        rep(r, n) {
            if (x[l] >= x[r]) continue;
            rep(b, n) {
                rep(t, n) {
                    if (y[b] >= y[t]) continue;
                    int cnt = 0;
                    rep(i, n) {
                        if (x[i]>=x[l] and x[i]<=x[r] and y[i]>=y[b] and y[i]<=y[t]) cnt++;
                    }
                    if (cnt>=k) ans=min(ans, (x[r]-x[l])*(y[t]-y[b]));
                }
            }
        }
    }
    cout << ans << endl;
    return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: 'LONG_LONG_MAX' was not declared in this scope
   11 |     ll ans=LONG_LONG_MAX;
      |            ^~~~~~~~~~~~~
Language: C++

#include <iostream>
#include<cstdlib>
#include<queue>
#include<set>
#include<vector>
#include<string>
#include<algorithm>
#include<stack>
#include<map>
#include<cstdio>
using namespace std;
#define rep(i,a) for(int i=0;i<a;i++)
#define mp make_pair
#define pb push_back
#define P pair<int,int>
#define ll __int64
//#define ll long long

const ll INF=5000000000000000000;

int n,k;
int x[100],y[100];
ll ans=INF;

ll che(int a,int b,int c,int d){
	ll x1=x[a],x2=x[b],y1=y[c],y2=y[d];
	if(x1>x2||y1>y2)return -1;
	int cnt=0;

	rep(i,n){
		if(x1<=x[i]&&x[i]<=x2&&y1<=y[i]&&y[i]<=y2)cnt++;
	}
	if(cnt>=k)return (x2-x1)*(y2-y1);
	else return -1;
}

int main(){
cin>>n>>k;
rep(i,n)cin>>x[i]>>y[i];

rep(a,n){
	rep(b,n){
		rep(c,n){
			rep(d,n){
				ll tmp=che(a,b,c,d);
				if(tmp!=-1)ans=min(ans,tmp);
			}
		}
	}	
}

cout<<ans<<endl;



	return 0;
}

Compiler output:
a.cc:16:12: error: '__int64' does not name a type; did you mean '__int64_t'?
   16 | #define ll __int64
      |            ^~~~~~~
a.cc:19:7: note: in expansion of macro 'll'
   19 | const ll INF=5000000000000000000;
      |       ^~
a.cc:16:12: error: '__int64' does not name a type; did you mean '__int64_t'?
   16 | #define ll __int64
      |            ^~~~~~~
a.cc:23:1: note: in expansion of macro 'll'
   23 | ll ans=INF;
      | ^~
a.cc:16:12: error: '__int64' does not name a type; did you mean '__int64_t'?
   16 | #define ll __int64
      |            ^~~~~~~
a.cc:25:1: note: in expansion of macro 'll'
   25 | ll che(int a,int b,int c,int d){
      | ^~
a.cc: In function 'int main()':
a.cc:16:12: error: '__int64' was not declared in this scope; did you mean '__int64_t'?
   16 | #define ll __int64
      |            ^~~~~~~
a.cc:45:33: note: in expansion of macro 'll'
   45 |                                 ll tmp=che(a,b,c,d);
      |                                 ^~
a.cc:46:36: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   46 |                                 if(tmp!=-1)ans=min(ans,tmp);
      |                                    ^~~
      |                                    tm
a.cc:46:44: error: 'ans' was not declared in this scope; did you mean 'abs'?
   46 |                                 if(tmp!=-1)ans=min(ans,tmp);
      |                                            ^~~
      |                                            abs
a.cc:52:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   52 | cout<<ans<<endl;
      |       ^~~
      |       abs
Language: C++

#include <iostream>
#include <string>
#include <stdlib.h>
#include <algorithm>

using namespace std;
 
int ascSort(const void* v1, const void* v2) {
    const int _v1 = *((const int*)v1);
    const int _v2 = *((const int*)v2);
 
    if ( _v1 < _v2 ) {
        return 1;
    } else if ( _v1 > _v2 ) {
        return -1;
    } else {
        return 0;
    }
}
long main() {
	long i,k,p,j,n,count,xmax,xmin,ymax,ymin,ans=-1,menseki;
	long x[52],y[52];
	cin >> n >> k;
	for(i=0;i<n;i++){
		cin >> x[i] >> y[i];
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			xmax = max(x[i],x[j]);
			ymax = max(y[i],y[j]);
			xmin = min(x[i],x[j]);
			ymin = min(y[i],y[j]);
			count = 0;
			for(p=0;p<n;p++){
				if(xmax >= x[p] && x[p] >= xmin && ymax >= y[p] && y[p] >= ymin){
					count += 1;
				}
			}
			menseki = (xmax-xmin)*(ymax-ymin);
			if(count >= k && (menseki <= ans || ans == -1)){
				ans = menseki;
			}
		}
	}
	cout << ans << endl;
	return 0;
}

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