求和

image.png

#include <stdio.h>

int main()
{
    //int i;
    float i,s,s0=0,s1=0.0,s2=0;
    for(i=1;i<=100;i++)
    {
        s0=s0+i;
        if(i<=50)
            s1=s1+i*i;
        if(i<=10)
            s2=s2+1/i;
    }
    s=s0+s1+s2;
    printf("the answer is %f",s);
    return 0;
}