CPP

how to print a decimal number upto 6 places of decimal in c++

#include <iostream>
#include <iomanip>

int main()
{
    double d = 122.345;

    std::cout << std::fixed;
    std::cout << std::setprecision(2);
    std::cout << d;
}

double number print 3 digit after decimal point in c++

//use #include<iomanip>
cout<<"Result = "<<fixed<<setprecision(3)<<result;//like Result = 2.434

print float number with only four places after the decimal point in c++

#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
  value = 3.15647;
  std::cout << std::fixed << std::setprecision(2);
  std::cout<<value<<std::endl;
	return 0;
}