求N分之一序列的前N项和
#include <stdio.h>int main(){int i,n;double sum=0,s=1;scanf("%d",&n);for(i=1;i<=n;i++){sum = sum+1/s;s++;}printf("%lf",sum);return 0;}
时间:2024-04-03 21:26:46
#include <stdio.h>int main(){int i,n;double sum=0,s=1;scanf("%d",&n);for(i=1;i<=n;i++){sum = sum+1/s;s++;}printf("%lf",sum);return 0;}