编辑代码

#include <stdio.h>
int main(){
    double a,b;
    printf("请输入两个数：\n");
    scanf("%lf%lf",&a,&b);
    printf("a is %lf,b is %lf",a,b);
    //方法1
    /*if(a>=b)
    printf("a是最大值,其值为：%lf\n",a);
    else
    printf("b是最大值，其值为：%lf\n",b);
    */
    //方法2
    if(a<b)
    a=b;
    printf("最大值为：%lf\n",a);
    return 0;
}