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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int M, N;
  5.     long long P[1005][1005];
  6.  
  7.     scanf("%d %d", &M, &N);
  8.  
  9.     for (int i = 1; i <= M; i++) {
  10.         for (int j = 1; j <= N; j++) {
  11.             scanf("%lld", &P[i][j]);
  12.         }
  13.     }
  14.  
  15.     for (int i = 0; i <= M; i++) {
  16.         P[i][0] = 0;
  17.     }
  18.  
  19.     for (int j = 0; j <= N; j++) {
  20.         P[0][j] = 0;
  21.     }
  22.  
  23.     int B, K;
  24.  
  25.     while (scanf("%d", &B) == 1 && B != -9) {
  26.         scanf("%d", &K);
  27.  
  28.         long long hasil = P[B][K]
  29.                         - P[B-1][K]
  30.                         - P[B][K-1]
  31.                         + P[B-1][K-1];
  32.  
  33.         printf("%lld ", hasil);
  34.     }
  35.  
  36.     printf("\n");
  37.  
  38.     return 0;
  39. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
3 3
10 30 60
15 45 95
17 51 107
1 1
2 1
1 3
3 3
-9
stdout
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10 5 30 6
https://ideone.com/fojpxN
language:
C (gcc 8.3)
created:
22 hours ago
visibility:
public

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