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python/TangDou/XiTi/1244.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
int main() {
int K = 0;
cin >> K;
float s = 0;
for (int n = 1;; n++) {
s += 1 / (1.0 * n);
if (s > K) {
cout << n << endl;
break;
}
}
return 0;
}