#include<stdio.h>
int main(void)
{
int denominator,n,i;
double sum,m;
printf("Enter n:");
scanf("%d",&n);
sum=0;
denominator=1;
for(i=m;i<=n;i++){
sum=sum+i*i+1.0/denominator;
denominator=denominator+1;
}
printf("sum=%.2f\n",sum);
return 0;
}
转载于:https://www.cnblogs.com/huangsilinlana/p/3378440.html