题解

#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        string a;
        double b;
        int c;
        cin>>a>>b>>c;
        cout<<a<<' ';
        printf("%.1f ",b);
        cout<<c<<"\n";    //或endl
    }
    return 0;
}