Answers for "how to take input with 6 places after the decimal in c++"

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;
}

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

#include <cstdio>
#include <iostream>

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