全都TLE，什么情况？

Yu09217777 @ 2022-10-07 12:05:55

#include <bits/stdc++.h>
using namespace std;
int main(){
    int k;
    cin >> k;
    double n = 0,sum = 0;
    for(int i = 1;;i++){
        sum += 1 / i * 1.0;
        if (sum > k * 1.0){
            break;
        }
        n++;
    }
    cout << n;
    return 0;
} 

by Ja50nY0un9_as_AgNO3 @ 2022-10-07 12:12:06

#include <bits/stdc++.h>
using namespace std;
int main(){
    double k;
    cin >> k;
    int n = 0;
    double sum = 0;
    for(int i = 1;;i++){
        sum += 1.0 / i;
        if (sum >= k){
            n++;
            break;
        }
        n++;
    }
    cout << n;
    return 0;
} 

by liguorui2022 @ 2022-12-25 22:11:34

直接输出 i 就好了