Find ncR and nPr in C++
To find ncR and nPr in C++ programming, you have to ask to the user to enter the value
of n and r to find the ncR and nPr, and display the value of ncR and nPr on the output screen as shown here
in the following program.
C++ Programming Code to Find ncR nPr
Following C++ program to ask to the user to enter the two number (and store these two
number in variables say n and r), to find its ncR and nPr, then display the
result on the screen:
/* C++ Program - Find ncR and nPr */
#include<iostream.h>
#include<conio.h>
long int fact(int); //function declaration
void main()
{
clrscr();
int n, r;
long int ncr, npr;
cout<<"Enter the value of n : ";
cin>>n;
cout<<"Enter the value of r : ";
cin>>r;
npr=fact(n)/fact(n-r); // calling the function or function calling
ncr=npr/fact(r); //function calling
cout<<"NPR value = "<<npr<<"\n";
cout<<"NCR value = "<<ncr<<"\n";
getch();
}
long int fact(int x) //defining the function or function definition
{
int i, f=1;
for(i=2; i<=x; i++)
{
f=f*i;
}
return f;
}
When the above C++ program is compile and executed, it will produce the following result:
Same Program in Other Language
You may like the same program in other programming languages:
C++ Programming Online Test
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