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gcd of two numbers

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krishnaa s answered on May 16, 2022 Popularity 10/10 Helpfulness 2/10

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gcd of two numbers

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-1

#include <iostream>
using namespace std;
int gcd(int a , int b)
{
    if(a==0)
    return a;
    if(b==0)
    return b;
    if(a==b)
    return a;
    if(a>b)
    {
        return gcd(a-b,b);
    }
    else
    {
        return gcd(a,b-a);
    }
}
int main()
{
    cout<<gcd(18,24);
    return 0;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++ numbers

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Contributed on May 16 2022

krishnaa s

0 Answers Avg Quality 2/10

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what is gcd of two numbers

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#include <iostream>
using namespace std;

int gcd(int a, int b)
{
    int r;
    if(b>a)
        swap(a,b);
    while(b!=0)
    {
        r = a % b;
        a = b;
        b = r;
    }

    return a;
}

int main()
{
    int a, b ;
    cout<<"Enter two numbers: ";
    cin>>a >>b;

    cout<<"GCD = " <<gcd(a,b);

    return 0;
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Aug 26 2023

Sleep deprived

0 Answers Avg Quality 2/10

gcd of two number

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#My Python Lectures: https://cutt.ly/python-full-playlist
#Codechef Problem Solution Video: https://cutt.ly/codeChefContestProblemSolution

import math
print("Res =",math.gcd(2, 1))

#Res = 1

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Source: youtu.be

Tags: function functio

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Contributed on Aug 17 2022

Excited Earthworm

0 Answers Avg Quality 2/10

Program to find GCD or HCF of two numbers c++

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// C++ program to find GCD of two numbers
#include <bits/stdc++.h>
using namespace std;
 
int static dp[1001][1001];
 
// Function to return gcd of a and b
int gcd(int a, int b)
{
    // Everything divides 0
    if (a == 0)
        return b;
    if (b == 0)
        return a;
 
    // base case
    if (a == b)
        return a;
     
    // if a value is already
    // present in dp
    if(dp[a][b] != -1)
        return dp[a][b];
 
    // a is greater
    if (a > b)
        dp[a][b] = gcd(a-b, b);
     
    // b is greater
    else
        dp[a][b] = gcd(a, b-a);
     
    // return dp
    return dp[a][b];
}
 
// Driver program to test above function
int main()
{
    int a = 98, b = 56;
    memset(dp, -1, sizeof(dp));
    cout<<"GCD of "<<a<<" and "<<b<<" is "<<gcd(a, b);
    return 0;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Jul 08 2022

Travinth Dayalaeaswaran

0 Answers Avg Quality 2/10

GCD of 2 numbers

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// Iterative Java program to
// implement Stein's Algorithm
import java.io.*;
 
class GFG {
 
    // Function to implement Stein's
    // Algorithm
    static int gcd(int a, int b)
    {
        // GCD(0, b) == b; GCD(a, 0) == a,
        // GCD(0, 0) == 0
        if (a == 0)
            return b;
        if (b == 0)
            return a;
 
        // Finding K, where K is the greatest
        // power of 2 that divides both a and b
        int k;
        for (k = 0; ((a | b) & 1) == 0; ++k)
        {
            a >>= 1;
            b >>= 1;
        }
 
        // Dividing a by 2 until a becomes odd
        while ((a & 1) == 0)
            a >>= 1;
 
        // From here on, 'a' is always odd.
        do
        {
            // If b is even, remove
            // all factor of 2 in b
            while ((b & 1) == 0)
                b >>= 1;
 
            // Now a and b are both odd. Swap
            // if necessary so a <= b, then set
            // b = b - a (which is even)
            if (a > b)
            {
                // Swap u and v.
                int temp = a;
                a = b;
                b = temp;
            }
 
            b = (b - a);
        } while (b != 0);
 
        // restore common factors of 2
        return a << k;
    }
 
    // Driver code
    public static void main(String args[])
    {
        int a = 34, b = 17;
 
        System.out.println("Gcd of given "
                           + "numbers is " + gcd(a, b));
    }
}
 
// This code is contributed by Nikita Tiwari

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: www.geeksforgeeks.org

Tags: numbers

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Contributed on Aug 23 2022

Lokesh Raj

0 Answers Avg Quality 2/10

gcd of two numbers

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