#include <stdio.h>
void change (int x,int y)
{int temp=0;//定义一个第三者进行交换
temp=x;
x=y;
y=temp;
}
int main()
{int a=12;
int b=13;
printf("交换前是x=%d y=%d",a,b);
change(a,b);
printf("交换后是x=%d y=%d",a,b);
return 0;
}
#include <stdio.h>
void change (int x,int y)
{int temp=0;//定义一个第三者进行交换
temp=x;
x=y;
y=temp;
}
int main()
{int a=12;
int b=13;
printf("交换前是x=%d y=%d",a,b);
change(a,b);
printf("交换后是x=%d y=%d",a,b);
return 0;
}
#include <stdio.h>
void change (int *x,int *y)
{int temp=0;//定义一个第三者进行交换
temp=*x;
*x=*y;
*y=temp;
}
int main()
{int a=12;
int b=13;
printf("交换前是x=%d y=%d",a,b);
change(&a,&b);
printf("交换后是x=%d y=%d",a,b);
return 0;
}