setting a number of decimals on a float on c 2b 2b

1#include <iostream>
2#include <iomanip>
3using namespace std;
4
5int main()
6{
7	float x=10.3445f;
8	
9	cout<<fixed<<setprecision(5)<<x<<endl;
10	cout<<fixed<<setprecision(2)<<x<<endl;
11	cout<<fixed<<setprecision(3)<<x<<endl;
12	cout<<fixed<<setprecision(0)<<x<<endl;
13	
14	return 0;
15}
16

1cout.setf(ios::fixed);
2cout.precision(2);