4/06/2017

Geeksforgeeks Solution For " Large Factorial "

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Problem :- Large Factorial

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Solution :- 

#include<iostream>
using namespace std;

#define MAX 500

int multiply(int x, int res[], int res_size);

void factorial(int n)
{
    int res[MAX];

    res[0] = 1;
    int res_size = 1;

    for (int x=2; x<=n; x++)
    {
        res_size = multiply(x, res, res_size);
    }
    for (int i=res_size-1; i>=0; i--)
        cout << res[i];
}

int multiply(int x, int res[], int res_size)
{
    int carry = 0;

    for (int i=0; i<res_size; i++)
    {
        int prod = res[i] * x + carry;
        res[i] = prod % 10;  
        carry  = prod/10;    
    }

    while (carry)
    {
        res[res_size] = carry%10;
        carry = carry/10;
        res_size++;
    }
    return res_size;
}

int main()
{
    
    int t;
    cin>>t;
    while(t--)
    {
    int n;
    cin>>n;
    factorial(n);
    cout<<endl;
    }
    return 0;
}

Output:-



Geeksforgeeks Solution For " Large Factorial "

Ghanendra Yadav

Ghanendra Yadav

Hello, I Am Ghanendra Yadav Owner of This Blog, I am professional Blogger and Programmer. I Love Programming, Logo Making, And Banner Designing. My Highest Qualification is MCA From NIT Warangal. You Can Find Me On Social Media Through Below Link And If You Have Any Query Related To Programming And Other Subject Comment Below or You Can Mail Me I Will Try To Answer Within 24 Hours Email:- yghanendra@student.nitw.ac.in

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