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C++ Program to Convert String to Double

#include <iostream>
#include <sstream>
#include <cstdlib>
#include <string>
using namespace std;
int main()
{
                double x =0;
    string number= "12345";
    x= atof(number.c_str());
    cout<<"Double number is: "<<x;
                return 0;
}
/*
OUTPUT:
Double number is: 12345
*/