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  1. #include <stdio.h>
  2.  
  3. void calculate( int (*a)[4] );
  4. int main(void) {
  5.  
  6. int a[3][4]={ {1,2,3,4},
  7. {5,6,7,8},
  8. {9,10,11,12}};
  9. calculate(a);
  10. return 0;
  11. }
  12. void calculate( int (*a)[4] ){
  13. int sum1=0, sum2=0, sum3=0;
  14. for(int i=0;i<4;i++){
  15. sum1 += a[0][i];
  16. sum2 += a[1][i];
  17. sum3 += a[2][i];
  18. }
  19. printf("sum1 = %d\n",sum1);
  20. printf("sum2 = %d\n",sum2);
  21. printf("sum3 = %d\n",sum3);
  22. }
Success #stdin #stdout 0s 5328KB
stdin
Standard input is empty
stdout
sum1 = 10
sum2 = 26
sum3 = 42