/* cs 2073 - solution template to ch4-functions problem */
#include<stdio.h>

/* global variables  */
int m, n, r;

/* prototypes  */
void get_valid_data( );
int  fact(int n);
int  select(int n, int k);
int  compute_LHS(int m, int r, int n);

int main()
{
   /*  Declare and initialize variables.  */ 
    int LHS, RHS, sum;
     
    get_valid_data( );
    
    LHS = compute_LHS(m, r, n);
    
    RHS = select(m+n, r);
    
    if(LHS == RHS){
      printf("The claim is correct becasue LHS=%d and RHS=%d\n", LHS, RHS);
    }else{
      printf("The claim is NOT correct becasue LHS=%d and RHS=%d\n", LHS, RHS);
    }
    /*   Exit program.  */ 
    system("pause");
    return sum;
}

/* this function computes the factorial of n */ 
int fact(int n)
{

}

/* this function computes "n choose k" */
int select(int n, int k)
{

}

/* this function asks user to enter m, r, n 
   until (r >= m && n >= r).  */
void get_valid_data( )
{

}

/* this function compute the sum on the LHS */
int compute_LHS(int m, int r, int n)
{
  
}