Write a C program to find nCr and nPr using function

By | 05.11.2016

Find nCr and nPr using function


Write a C program to find nCr and nPr using function. Here’s simple program to find nCr and nPr using function in C Programming Language.


Below is the source code for C program to find nCr and nPr using function which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C program to find nCr and nPr using function  */

#include <stdio.h>

long factorial(int);
long find_ncr(int, int);
long find_npr(int, int);

int main()
{
   int n, r;
   long ncr, npr;

   printf("Enter the value of n :: ");
   scanf("%d",&n);
   printf("\nEnter the value of r :: ");
   scanf("%d",&r);

   ncr = find_ncr(n, r);
   npr = find_npr(n, r);

   printf("\n%dC%d = %ld\n", n, r, ncr);
   printf("\n%dP%d = %ld\n", n, r, npr);

   return 0;
}

long find_ncr(int n, int r) {
   long result;

   result = factorial(n)/(factorial(r)*factorial(n-r));

   return result;
}

long find_npr(int n, int r) {
   long result;

   result = factorial(n)/factorial(n-r);

   return result;
}

long factorial(int n) {
   int c;
   long result = 1;

   for (c = 1; c <= n; c++)
      result = result*c;

   return result;
}

OUTPUT : :


/*  C program to find nCr and nPr using function  */

Enter the value of n :: 4

Enter the value of r :: 2

4C2 = 6

4P2 = 12

Process returned 0

Above is the source code for C program to find nCr and nPr using function which is successfully compiled and run on Windows System.The Output of the program is shown above .

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About Tunde A

My name is Tunde Ajetomobi, a Tech Enthusiast and Growth Hacker. I enjoy creating helpful content that solves problem across different topics. Codezclub is my way of helping young aspiring programmers and students to hone their skills and find solutions on fundamental programming languages.

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