学习自定义函数
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int MAX(int x, int y)
{
if (x > y)
{
return x;
}
else
{
return y;
}
}
int main()
{
int a = 10;
int b = 30;
int max = MAX(a, b);
printf("max=%d\n", max);
return 0;
}
void Swap(int x, int y)//void表示没有返回值
{
int tmp = 0;
tmp = x;
x = y;
y = tmp;
}
int main()
{
int a = 10;
int b = 20;
printf("a=%d b=%d\n", a, b);
Swap(a, b);
printf("a=%d b=%d\n", a, b);
return 0;
}//上面所写程序有bug