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  1. //Q72. Find the sum of all elements in a matrix.
  2. #include <stdio.h>
  3. int main() {
  4.     int r,c,a[10][10],i,j,sum=0;
  5.     scanf("%d%d",&r,&c);
  6.     for(i=0;i<r;i++)
  7.         for(j=0;j<c;j++){
  8.             scanf("%d",&a[i][j]);
  9.             sum += a[i][j];
  10.         }
  11.     printf("%d", sum);
  12. }
  13.  
Success #stdin #stdout 0.01s 5272KB
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https://ideone.com/5ZmCzH
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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