Submission #464500

#	Time	Username	Problem	Language	Result	Execution time	Memory
464500		kilikuma	T-Covering (eJOI19_covering)	C++14	0 / 100	3 ms	332 KiB

covering

#include <bits/stdc++.h> 
using namespace std;
int maxi=0; 
int m, n; 
bool dans(int lig, int col) {
  if (lig<0||col<0||lig>=m||col>=n) return false; 
  else return true; 
}
int main() {
  scanf("%d%d", &m,&n); 
  int grille[m+1][n+1]; 
  for (int lig=0;lig<m;lig++) {
    for (int col=0;col<n;col++) {
      cin >> grille[lig][col]; 
    }
  }
  int k; scanf("%d",&k); 
  for (int i=0;i<k;i++) {
    int r, c; cin >> r >> c; 
    int maxiCur = 0; 
    // premier cas
    if (dans(r-1,c-1)&&dans(r-1,c+1)&&dans(r-1,c)) {
      maxiCur = max(maxiCur, grille[r-1][c-1]+grille[r-1][c]+grille[r-1][c+1]+grille[r][c]); 
    }
    if (dans(r-1,c+1)&&dans(r+1,c+1)&&dans(r,c+1)) {
      maxiCur= max(maxiCur, grille[r-1][c+1]+grille[r][c+1]+grille[r+1][c+1]+grille[r][c]); 
    }
    if (dans(r+1,c-1)&&dans(r+1,c+1)&&dans(r+1,c)) {
      maxiCur = max(maxiCur, grille[r+1][c-1]+grille[r+1][c]+grille[r+1][c+1]+grille[r][c]); 
    }
    if (dans(r-1,c-1)&&dans(r+1,c-1)&&dans(r,c-1)) {
      maxiCur = max(maxiCur, grille[r-1][c-1]+grille[r][c-1]+grille[r+1][c-1]+grille[r][c]); 
    }

    // 2 

    // 3

    // 4
    maxi += maxiCur; 
  }
  printf("%ld\n", maxi); 
}

Compilation message (stderr)

covering.cpp: In function 'int main()':
covering.cpp:42:13: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat=]
   42 |   printf("%ld\n", maxi);
      |           ~~^     ~~~~
      |             |     |
      |             |     int
      |             long int
      |           %d
covering.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%d%d", &m,&n);
      |   ~~~~~^~~~~~~~~~~~~~~
covering.cpp:17:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   int k; scanf("%d",&k);
      |          ~~~~~^~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 30