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factorial in c++ using recursion

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Noir answered on February 8, 2022 Popularity 8/10 Helpfulness 4/10

answer factorial in c++ using recursion

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factorial in c++ using recursion

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#include <iostream>
using namespace std;

int fact (int);
int main()
{
    cout << " Please enter your number = ";
    int n ;
    cin >> n ;

    cout << " Answer is = " << fact (n) << endl;
    return 0;
}

int fact (int n )
{
    if (n <= 1)
        return 1;
    return n * fact (n-1);
}

Popularity 8/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++ factorial recursion using

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Contributed on Oct 14 2022

Noir

0 Answers Avg Quality 2/10

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factorial using recursion cpp

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#include <iostream>
using namespace std;

int fact(int n);

int main()
{
    int n;
    cout<< "Enter the number: ";
    cin>> n;

    cout<< "Factorial of " <<n <<" is " <<fact(n);

}

int fact(int n)

{
    if (n>=1)
        return n*fact(n-1);
    else
        return 1;
}

Popularity 9/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: c++ factorial

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Contributed on Feb 08 2022

Sleep deprived

0 Answers Avg Quality 2/10

cpp factorial of a number recursive

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/*#include<bits/stdc++.h>
using namespace std;
iterative solution:
int fact (int n, int k)
{
	if(n==0) return 1;
	return fact(n-1,k*n);
}
int main()
{
	int n,k=1;
	cin>>n;
	int ans=fact(n,k);
	cout<<ans<<endl;
}*/
//recursive solution.
#include<bits/stdc++.h>
using namespace std;
int fact(int n)
{
	if(n==0)return 1;
	return n*fact(n-1);
}
int main(){
	int n;
	cin>>n;
	cout<<fact(n)<<endl;
	
}

Popularity 8/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++ factorial fa

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Contributed on Jul 29 2022

ROCKETMAN

0 Answers Avg Quality 2/10

factorial recursion in c++

Comment

-1

#include<iostream>
using namespace std;

int fact(int n){
    static int facto = 1; // facto will not be changed as it is static.
    if(n > 0){
        facto = facto * n;
        fact(n-1);
    }
    return facto;
}

int main(){
    int num;
    cout << "Enter Your Number: ";
    cin >> num;
    cout << "Factorial Of " << num << " is: " << fact(num) << endl;

    return 0;
}

Popularity 6/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++ factorial recursion

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Contributed on Jan 21 2023

isuro

0 Answers Avg Quality 2/10

factorial in c++ using recursion

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