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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. void swap_array(int n, int *a, int *b);
  4.  
  5. int main() {
  6.     int i, *P, *Q;
  7.     int a[10] = {100,99,98,97,96,95,94,93,92,91};
  8.     int b[10] = {1,2,3,4,5,6,7,8,9,10};
  9.  
  10.     P = a;
  11. 	Q = b;
  12.  
  13. 	swap_array(10, a, b);
  14.  
  15.     for (i = 0; i < 10; i++) {
  16.         printf("%d ", P[i]);
  17.         printf("\n");
  18.         printf("%d ", Q[i]);
  19.         printf("\n");
  20.      }
  21.     system("pause");
  22.     return 0;
  23. }
  24. void swap_array(int n, int *a, int *b){
  25. 	int t[10] = {0};
  26. 	int i;
  27.     for(i=0; i<n; i++) {
  28.     t[i] = a[i];
  29.     a[i] = b[i];
  30. 	b[i] = t[i];
  31. 	}
  32. }
  33.  
  34.  
Success #stdin #stdout 0.01s 5312KB
comments (?)
stdin
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Standard input is empty
stdout
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1 
100 
2 
99 
3 
98 
4 
97 
5 
96 
6 
95 
7 
94 
8 
93 
9 
92 
10 
91
https://ideone.com/jC1ity
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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