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  1. #include <stdio.h>
  2. //dai2kai
  3. int a, b, c;
  4. void scanfall(int *x, int *y, int *z);
  5. void ascend(int *x, int *y, int *z);
  6. void swap(int *x, int *y);
  7.  
  8. int main(void) {
  9.     int *x, *y, *z;
  10.     x = &a;
  11.     y = &b;
  12.     z = &c;
  13.     scanfall(x, y, z);
  14.     printf("入力：a=%d, b=%d, c=%d\n", *x, *y, *z);
  15.     ascend(x, y, z);
  16.     printf("昇順：a=%d b=%d c=%d\n", *x, *y, *z);
  17.     return 0;
  18. }
  19.  
  20. void scanfall(int *x, int *y, int *z) {
  21.     scanf("%d", x);
  22.     scanf("%d", y);
  23.     scanf("%d", z);
  24. }
  25.  
  26. void ascend(int *x, int *y, int *z) {
  27.     if (*x > *y) {
  28.         swap(x, y);
  29.     }
  30.     if (*y > *z) {
  31.         swap(y, z);
  32.     }
  33.     if (*x > *y) {
  34.         swap(x, y);
  35.     }
  36. }
  37.  
  38. void swap(int *x, int *y) {
  39.     int w;
  40.     w = *x;
  41.     *x = *y;
  42.     *y = w;
  43. }
Success #stdin #stdout 0s 5288KB
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Standard input is empty
stdout
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入力：a=0, b=0, c=0
昇順：a=0 b=0 c=0
https://ideone.com/kpkIBz
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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