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
}

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 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
}