output in float c++ code example

Example 1: how to print 5 precision float in c++

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

int main() 
{
    // This code helps you to print a number with desired decimal
    double Number=10.3454;
    printf("%.3lf",Number);

    return 0;
}

Example 2: float in c++

float contains less storage than a double. 
float p = 25.0;
double p = 25.0;