tut17.cpp

// Inline Functions , Default Arguments & Constant Arguments in C++

#include<iostream>
using namespace std;

// inline int product (int a,int b){
//     return a*b;
// }

int product(int a, int b){ 
    // Not recommended to use below lines with inline functions. 
    static int c=0; // This executes only once
    c = c+1; // Next time this function is run , the value of c will be retained. 
    return a*b+c;
}

float moneyReceived(int currentMoney, float factor=1.04){
    return currentMoney*factor;
}

// use of constant arguments.
// int  strlen(const char *p){

// }

int main(){
    // int a,b;
    // cout<<"Enter the value of a and b "<<endl;
    // cin>>a>>b;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;
    // cout<<"The product of a and b is "<<product(a,b)<<endl;

    int money = 100000;
    // Use of default argument , it already use the factor. 
    cout<<"If you have "<<money<<" Rs in your bank account , you will receive "<<moneyReceived
    (money)<<"Rs after 1 year . "<<endl;
    cout<<"For VIP : If you have "<<money<<" Rs in your bank account , you will receive "<<moneyReceived
    (money,1.1)<<"Rs after 1 year . ";

    return 0;
}