习题2-5 求平方根序列前N项和

#include<stdio.h>
#include<math.h>
int main()
{
    int i, n;
    double sum, item;
    
    scanf("%d", &n);
    sum=0;
    for(i=1; i<=n; i++){
        item = sqrt(i);
        sum = sum+item;
    }
    printf("sum = %.2f",sum);
    
    return 0;
}
    

标签：main,int,double,sum,序列,习题,include,平方根
来源： https://www.cnblogs.com/ytmsnzy/p/16587881.html