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  1. #include <stdio.h>
  2. void swap(int a,int b)
  3. {
  4.     int t;
  5.     printf("交换前的形参：a=%d,b=%d\n",a,b);
  6.     t=a;a=b;b=t;
  7.     printf("交换后的形参：a=%d,b=%d\n",a,b);
  8. }
  9. int main(void)
  10. {
  11.     int x,y;
  12.     printf("请输入两个整数：");
  13.     scanf("%d%d",&x,&y);
  14.     swap(x,y);
  15.     printf("交换后的实参：x=%d,y=%d\n",x,y);
  16.     return 0;
  17. }
Success #stdin #stdout 0s 5304KB
comments (?)
stdin
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3 5
stdout
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请输入两个整数：交换前的形参：a=3,b=5
交换后的形参：a=5,b=3
交换后的实参：x=3,y=5
https://ideone.com/vrTfRh
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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