Run ID Author Problem Lang Verdict Score Time Memory Code Length Submit Time
21088 王兮 倒数和 C++ Wrong Answer 0 0 MS 252 KB 191 2021-06-26 16:00:41

Tests(0/10):


#include<bits/stdc++.h> using namespace std; int n,sum; float S=0.0; int main(){ cin>>n; for(int i=1;i<=n;i++){ sum+=i; S+=(float)1/sum; } printf("%f\n",sum); return 0; }


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