This is a C program to calculate total number of permutations and combinations for given values of n and r. This program calculates nPr and nCr using functions.
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
long double fact( int);
int ncr( int ,int);
long npr( int ,int);
main()
{
int n,r;
printf(" Enter value of n & r \n");
scanf("%d %d",&n ,&r);
if( n>= r)
{
printf( "%d C %d is %d \n",n,r,ncr( n ,r));
printf("%d P %d is %ld\n",n,r,npr( n, r));
}
else
{
printf("\n n should be greater than r");
getch ();
exit(0);
}
}
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Showing posts with label nPr. Show all posts
Showing posts with label nPr. Show all posts
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