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  1. #include <stdio.h>
  2.  
  3. void swap(int *x, int *y) {
  4.     int w;
  5.      w = *x;
  6.     *x = *y;
  7.     *y = w;
  8. }
  9.  
  10. int main() {
  11.     int data1[5] = {1, 2, 3, 4, 5};
  12.     int data2[5] = {6, 7, 8, 9, 10};
  13.  
  14.     printf("入れ替え前:\n");
  15.     printf("data1: ");
  16.     for (int i = 0; i < 5; i++) {
  17.         printf("%d ", data1[i]);
  18.     }
  19.     printf("data2: ");
  20.     for (int i = 0; i < 5; i++) {
  21.         printf("%d ", data2[i]);
  22.     }
  23.     printf("\n");
  24.  
  25.     for (int i = 0; i < 5; i++) {
  26.         swap(&data1[i], &data2[i]);
  27.     }
  28.  
  29.     printf("入れ替え後:\n");
  30.     printf("data1: ");
  31.     for (int i = 0; i < 5; i++) {
  32.         printf("%d ", data1[i]);
  33.     }
  34.     printf("data2: ");
  35.     for (int i = 0; i < 5; i++) {
  36.         printf("%d ", data2[i]);
  37.     }
  38.     printf("\n");
  39.  
  40.     return 0;
  41. }
  42.  
Success #stdin #stdout 0.01s 5272KB
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stdin
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Standard input is empty
stdout
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入れ替え前:
data1: 1 2 3 4 5 data2: 6 7 8 9 10 
入れ替え後:
data1: 6 7 8 9 10 data2: 1 2 3 4 5
https://ideone.com/t8w1LQ
language:
C (gcc 8.3)
created:
28 days ago
visibility:
public

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