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  1. #include <stdio.h>
  2.  
  3. void swap(int *x, int *y){
  4.     int tmp = *x;
  5.     *x = *y;
  6.     *y = tmp;
  7. }
  8.  
  9. int main() {
  10.     int a = 3, b = 1, c = 2;
  11.  
  12.     // 昇順に並べる
  13.     if(a > b) swap(&a, &b);
  14.     if(a > c) swap(&a, &c);
  15.     if(b > c) swap(&b, &c);
  16.  
  17.     printf("a=%d, b=%d, c=%d\n", a, b, c);
  18.  
  19.     return 0;
  20. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
a=1, b=2, c=3
https://ideone.com/ElD4xw
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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