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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. void reverse(const int* const restrict v1, int* restrict v2, int size)
  5. {
  6.     for (int i = 0; i < size; i++) {
  7.         v2[size-i-1] = v1[i];
  8.     }
  9. }
  10.  
  11. int main (int argc, char *argv[])
  12. {
  13.     int size, *v1, *v2;
  14.     size = 1000000;
  15.     v1 = malloc(sizeof(int) * size);
  16.     v2 = malloc(sizeof(int) * size);
  17.     for (int i = 0; i < size; i++) {
  18.         v1[i] = i;
  19.     }
  20.     reverse(v1, v2, size);
  21.     printf("%d", v2[0]);
  22.     return 0;
  23. }
Success #stdin #stdout 0.03s 9536KB
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https://ideone.com/KZvjU
language:
C99 (gcc 8.3)
created:
12 years ago
visibility:
secret

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