什么鬼啊……新手村喜提0pts……

I_love_Cathy @ 2022-10-12 19:54:11

#include<bits/stdc++.h>
using namespace std;
int main(){
    double n,i=1;
    cin>>n;
    double ans=0.00000000;
    while(ans<n){
        ans+=1.0000000/i;
        i++;
    }
    cout<<i;
}

by CH_mengxiang @ 2022-10-12 19:58:55

记得－1再输出，代码中实际会多加一次

by codejiahui @ 2022-10-12 19:59:37

#include<iostream>
using namespace std;
int main()
{
    double n,i = 1;
    cin >> n;
    double ans = 0;
    while(ans <= n)
    {
        ans += 1.0 / i;
        i++;
    }
    cout << i - 1 << endl;
}

by No1_TLEman @ 2022-10-12 20:13:41

#include<cstdio>
int main() {
    int k,n=0;
    scanf("%d",&k);
    for(double Sn=0;Sn<=k;n++,Sn+=1.0/n);
    printf("%d",n);
    return 0;
}