牛客国庆集训派对Day4 Solution

A    深度学习

puts(n)

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3  
 4 int main()
 5 {
 6     double n;
 7     while (scanf("%lf", &n) != EOF)
 8         printf("%.10f\n", n);
 9     return 0;
10 }

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