【例】保留3位小数的浮点数

坤坤 LV 8 @ 2025-7-3 15:24:36

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

1
张意驰 LV 3 @ 2025-1-20 10:48:26

#include<bits/stdc++.h> using namespace std; int main() { double f; cin>>f; cout<<fixed<<setprecision(3)<<f; }
0
DH-WXY LV 3 @ 2025-4-12 19:58:31

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

3 solutions