紫啧~ 夏小语 · 发布于 2024-11-27 · 浏览 549 回复 0 include <bits/stdc++.h> using namespace std; int main() { double a = 1, sn = 0, k, i; scanf("%lf", &k); while (sn <= k) { sn = sn + 1 / a; a++; } printf("%.0lf", a - 1 ); return 0; }