// a powerfull manipulative library for customized input/output
#include <iomanip> //input/output manipulatioin
float float_point = 2.000000;
cout<<fixed<<setprecision(2)<<float_point; //2.00
// a powerfull manipulative library for customized input/output
#include <iomanip> //input/output manipulatioin
float float_point = 2.000000;
cout<<fixed<<setprecision(2)<<float_point; //2.00