Submission #3229861

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
 
struct Point{int x, y;} p[55];
bool lessx(Point &a, Point &b){return a.x < b.x;}

int main(){
  int n, k, v[55], i, j, l, m, o, cnt;
  long long ans = 4e18;
  scanf("%d%d", &n, &k);
  for(i = 0; i < n; i++){
    scanf("%d%d", &p[i].x, &p[i].y);
    v[i] = p[i].y;
  }
  sort(p, p+n, lessx);
  sort(v, v+n);
  for(i = 0; i <= n-k; i++){
    for(j = i+k; j <= n; j++){
      for(l = 0; l <= n-k; l++){
        for(m = l+k; m <= n; m++){
          cnt = 0;
          for(o = i; o < j; o++) if(v[l] <= p[o].y && p[o].y < v[m]) cnt++;
          if(cnt >= k) ans = min(ans, ((long long)p[j-1].x - p[i].x)*(v[m-1] - v[l]));
        }
      }
    }
  }
  printf("%lld\n", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &n, &k);
                        ^
./Main.cpp:12:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &p[i].x, &p[i].y);
                                    ^

Judge Result