3475

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
3475	OscarWLY	保留3位小数的浮点数	C++	Accepted	0 MS	248 KB	158	2023-01-08 14:22:49

#include<bits/stdc++.h> using namespace std; int main() { double a; cin>>a; cout<<setprecision(3)<<setiosflags(ios::fixed); cout<<a; return 0; }