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python/LuoGu/RuMen/P1035.cpp

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2025-08-30 18:35:01 +08:00
#include<bits/stdc++.h>
using namespace std;
int main() {
int K;
cin>>K;
double S=0.00000;
//知识点1:INT_MAX
//知识点2:整数转浮点数
for(int n=1; n<INT_MAX; n++) {
S+=1/(n*1.0);
if(S>K) {
cout<<n<<endl;
break;
}
}
return 0;
}