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  1. #include <stdio.h>
  2.  
  3. void calculate( int (*a)[4] );
  4. int main(void) {
  5. 	int a[3] [4] = {
  6.          {1, 2, 3, 4},
  7.          {5, 6, 7, 8},
  8.          {9, 10, 11, 12}
  9.     };
  10.  
  11.     calculate(a);
  12.  
  13. 	return 0;
  14. }
  15.  
  16. void calculate( int (*a)[4] ) {
  17.         int sum[3];
  18.  
  19.        for(int i=0; i<3; i++){
  20.             sum[i] = 0;
  21.             for(int j=0; j<4; j++){
  22.             sum[i] += a[i] [j];
  23.             }
  24.        }
  25.  
  26.        for(int i=0; i<3; i++){
  27.             printf("sum[%d] = %d\n", i, sum[i]);
  28.        }
  29. }
Success #stdin #stdout 0s 5304KB
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stdin
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Standard input is empty
stdout
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sum[0] = 10
sum[1] = 26
sum[2] = 42
https://ideone.com/Ys8C2P
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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