大错误这导致80分的直接原因

程义轩 @ 2020-03-27 19:52:43

by 程义轩 @ 2020-08-13 09:31:03

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n, k;
    cin >> n >> k;
    cout << n + (n - 1) / (k - 1);
    return 0;
}