为社么全红？？？？？？？？？HELP！！！！！！！

coderzhx @ 2024-06-08 12:33:38

#include <iostream>
using namespace std;

double sum = 0;
int k;
int cnt = 1;

int main() {
    cin >> k;
    while (sum < k) {
        sum += 1. / cnt;
        cnt++;

    }
    cout << cnt;

    return 0;
}

by Special_Tony @ 2024-06-08 12:38:02

@Geyijinnoip 是<=，而且你最后要-1

by huangzhenyu01 @ 2024-06-08 13:31:59

你这哪一题？？？

by coderzhx @ 2024-06-08 18:53:23

@Special_Tony 为社么要-1？？？

by Special_Tony @ 2024-06-08 19:18:18

@Geyijinnoip -1是因为你最后一次加一多加了