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  1. #include <stdio.h>
  2.  
  3. void swap(int *x, int *y) {
  4.     int temp = *x;
  5.     *x = *y;
  6.     *y = temp;
  7. }
  8.  
  9. int main() {
  10.     int data1[5] = {1, 2, 3, 4, 5};
  11.     int data2[5] = {6, 7, 8, 9, 10};
  12.     int size = sizeof(data1) / sizeof(data1[0]);
  13.  
  14.     printf("data1: ");
  15.     for (int i = 0; i < size; i++) {
  16.         printf("%d ", data1[i]);
  17.     }
  18.     printf("\ndata2: ");
  19.     for (int i = 0; i < size; i++) {
  20.         printf("%d ", data2[i]);
  21.     }
  22.     printf("\n");
  23.  
  24.     for (int i = 0; i < size; i++) {
  25.         swap(&data1[i], &data2[i]);
  26.     }
  27.  
  28.     printf("data1: ");
  29.     for (int i = 0; i < size; i++) {
  30.         printf("%d ", data1[i]);
  31.     }
  32.     printf("\ndata2: ");
  33.     for (int i = 0; i < size; i++) {
  34.         printf("%d ", data2[i]);
  35.     }
  36.     printf("\n");
  37.     return 0;
  38.  
  39. }
  40.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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data1: 1 2 3 4 5 
data2: 6 7 8 9 10 
data1: 6 7 8 9 10 
data2: 1 2 3 4 5
https://ideone.com/s9Ci7Q
language:
C (gcc 8.3)
created:
28 days ago
visibility:
public

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