CPP

how to print numbers with only 2 digits after decimal point in c++

#include <iostream>
#include <iomanip>
#include <iostream>
​
int main()
{
	double d = 122.345;
	cout << fixed << setprecision(2) << d;
  	//the setprecision can vary as per required
}

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

how to print fixed places after decimal point in c++

 cout << fixed << setprecision(n)<<variable; //n is number of places needed after decimal point

how to print numbers with only 2 digits after decimal point in c++

#include <cstdio>
#include <iostream>

int main() {
    double total;
    cin>>total;
    printf("%.2f
", total); 
    //one can use the C function to print the decimal points
}