39-4

#include<stdio.h>
int main(void)
{
    int m,n,i;
    double y;
    printf("Enter m n:");
    scanf("%d%d",&m,&n);
    
    y=0.0;

    for(i=m;i<=n;i++){
        y=y+i*i+1/i;

    }
    printf("y=%.1f\n",y);

    return 0;
}