博客

#include<stdio.h>
int Shu(int i);
int main()
{
    int i,t;
    printf("Input i:");
    scanf("%d%d",&i,&t);
    t=Shu(i);
    printf("%d\n",t);


    return 0;
}
int Shu(int i)
{
    int a;
    char grade;
    if(a>=0&&a<=100)
    {
        if(a>=90)
            grade='A';
        else
        {
            if(80<=a&&a<90)
                grade='B';
            else
            {
                if(70<=a&&a<80)
                    grade='C';
                    else
                {
                    if(60<=a&&a<70)
                        grade='D';
                    else
                        grade='E';
                }
            }
        }
    }
    return a;
}![这里写图片描述](http://img.blog.csdn.net/20180102163228149?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdGFuZzA1MTMwOA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)