Q1: Which of the following statement is correct about the program given below?

#include<iostream.h>
long GetNumber(long int Number)
{
    return --Number;
}
float GetNumber(int Number)
{
    return ++Number;
}
int main()
{
    int x = 20;
    int y = 30;
    cout<< GetNumber(x) << ' ';
    cout<< GetNumber(y) ;
    return 0; 
}