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mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-23 23:28:48 +00:00
OI-codes/Luogu/B2022/B2022.cpp

11 lines
157 B
C++

#include <bits/stdc++.h>
using namespace std;
int main() {
double a;
cin >> a;
cout << fixed << setprecision(12) << a << endl;
return 0;
}