Thursday, 16 March 2017

Geeksforgeeks Solution For " nPr "

GeeksforGeeks Solution For School Domain .Below You Can Find The Solution Of Basic ,Easy ,Medium ,Hard .You Can Also Direct Submit Your Solution to Geeksforgeeks Same Problem .You Need to login then you can submit you answers 

Problem :- Write a program to calculate nPr. nPr represents n permutation r and value of nPr is (n!) / (n-r)!.

Submit Your Solution :- Click Here 


Solution :-

#include <iostream>
using namespace std;
long long int fact(int x);   
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
    int n,r,npr;
    long long int p=1;
cin>>n>>r;
npr=n-r+1;    
    for(int i=npr;i<=n;i++)
    {
        p=p*i;
    }
    cout<<p<<endl;
    }
return 0;
}

Output:-

Geeksforgeeks Solution For " nPr "

No comments:
Write comments

Recommended Posts × +