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  1. #include <stdio.h>
  2.  
  3. void calculate(int(*a)[4]);
  4.  
  5. int main(void){
  6. int x[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
  7.  
  8. calculate(x);
  9. return 0;
  10. }
  11.  
  12. void calculate(int (*a)[4]){
  13. int sum[3]={0};
  14. for(int i=0;i<3;i++){
  15. for(int j=0;j<4;j++){
  16. sum[i]+=a[i][j];
  17. }
  18. }
  19.  
  20. for(int i=0;i<3;i++){
  21. printf("sum = %d\n",sum[i]);
  22. }
  23. }
Success #stdin #stdout 0.01s 5292KB
stdin
Standard input is empty
stdout
sum = 10
sum = 26
sum = 42