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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 scanfall(int *a, int *b, int *c) {
  10.     scanf("%d", a);
  11.     scanf("%d", b);
  12.     scanf("%d", c);
  13.  
  14.     return (*a > *b || *b > *c);
  15. }
  16.  
  17. void ascend(int *a, int *b, int *c) {
  18.     if (*a > *b) swap(a, b);
  19.     if (*b > *c) swap(b, c);
  20.     if (*a > *b) swap(a, b);
  21. }
  22.  
  23. int main() {
  24.     int a, b, c;
  25.  
  26.     if (scanfall(&a, &b, &c)) {
  27.         ascend(&a, &b, &c);
  28. }
  29.  
  30.     printf("昇順：a=%d, b=%d, c=%d\n", a, b, c);
  31.  
  32.     return 0;
  33. }
  34.  
  35.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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3 2 1
stdout
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昇順：a=1, b=2, c=3
https://ideone.com/Qj2E0r
language:
C (gcc 8.3)
created:
93 days ago
visibility:
public

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