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HuangHai
2025-08-30 18:35:01 +08:00
commit 1f397eca87
6258 changed files with 1487241 additions and 0 deletions

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#include <bits/stdc++.h>
using namespace std;
double s; // double类型,因为是分数计算
int main() {
//数据上限k
int k;
cin >> k;
//枚举
int n;
for (n = 1;; n++) { // 1、n没有上限还在用for循环
s += 1.0 / n; // 2、1 / n--> 0 1.0 / n=0.5 0.33
if (s > k) break; //这个是结束条件,此时结束循环
}
cout << n << endl;
return 0;
}