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  1. #include <stdio.h>
  2.  
  3. void calculate(int (*a)[4]);
  4.  
  5. int main(void) {
  6. int a[3][4] = {{1,2,3,4}, {5,6,7,8}, {9,10,11,12}};
  7. calculate(a);
  8. return 0;
  9. }
  10.  
  11. void calculate(int (*a)[4]){
  12. int sum=0;
  13. for(int i=0; i<3; i++){
  14. for(int j=0; j<4; j++){
  15. sum = sum + a[i][j];
  16. }
  17. }
  18. printf("%d" ,sum);
  19. }
  20.  
Success #stdin #stdout 0.01s 5320KB
stdin
Standard input is empty
stdout
78