what are you doing,LILI?????

yuzhanbo 2023-05-14 22:05:35 2023-05-14 22:07:43 5 返回题目

#include<bits/stdc++.h>

using namespace std;

double n,m,s;

int main(){

cin>>n;

printf("%.3f",n);

return 0;

}

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