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  1. #include <stdio.h>
  2. int sum[3];
  3. void calculate(int (*a)[4]) {
  4. for (int i = 0; i < 3; i++) {
  5. sum[i]=0;
  6. for (int j = 0; j < 4; j++) {
  7. sum[i] += a[i][j];
  8. }
  9. }
  10. for(int i=0; i<3; i++)
  11. printf("sum[%d]=%d ", i , sum[i]);
  12. }
  13.  
  14. int main(void) {
  15. int a[3][4] = { {1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12} };
  16. calculate(a);
  17.  
  18. return 0;
  19. }
Success #stdin #stdout 0.01s 5292KB
stdin
Standard input is empty
stdout
sum[0]=10 sum[1]=26 sum[2]=42