Ŀ

գҪıйص䡣
һrepeat (0<repeat<10)repeat㣺
һ n12/33/54/75/9-6/11+ǰn֮ͣʱ3λС
ʾ˵

3        (repeat=3)
1        (n=1)
3        (n=3)
5        (n=5)

sum = 1.000
sum = 0.933
sum = 0.917



#include <stdio.h>
int main(void)
{
    int flag, i, n;
    int repeat, ri;
    double item, sum;

    scanf("%d", &repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf("%d", &n);
/*---------*/
      	printf("sum = %.3f\n", sum);
    }
}
