Problem G
unknown
c_cpp
2 years ago
240 B
10
Indexable
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; double sum = 0; for (int i = 1; i <= n; ++i) { sum += 1 / double(i); } cout << fixed << setprecision(6) << sum; return 0; }
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