fork download 
  1. #include <stdio.h>
  2.  
  3. int det(int* a, int n, int sz){
  4.    printf("a[%d][%d]\n", sz/n/sizeof(*a), n);
  5.    *(a+5*n+15) += 50;
  6.    return 0;
  7. }
  8.  
  9. #define ARY_N 20
  10.  
  11. int main(){
  12.    int a[10][ARY_N];
  13.    a[5][15] = 100;
  14.    det(&a[0][0], ARY_N, sizeof(a));
  15.    printf("%d\n", a[5][15]);
  16.    return 0;
  17. }
Success #stdin #stdout 0.01s 1676KB
comments (?)
stdin 
Standard input is empty
stdout 
a[10][20]
150
https://ideone.com/VazAq
language:
C (gcc 8.3)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!