GCD in cpp

Gcd function c++

ll gcd(ll a, ll b)
{
    if (b==0)return a;
    return gcd(b, a % b);   
}

Std::gcd

cout << __gcd(17, 97) << endl; //#include <algorithm>

GCD in cpp

#include <iostream>
using namespace std;

int main() {
  int n1, n2, hcf;
  cout << "Enter two numbers: ";
  cin >> n1 >> n2;

  // swapping variables n1 and n2 if n2 is greater than n1.
  if ( n2 > n1) {   
    int temp = n2;
    n2 = n1;
    n1 = temp;
  }
    
  for (int i = 1; i <=  n2; ++i) {
    if (n1 % i == 0 && n2 % i ==0) {
      hcf = i;
    }
  }

  cout << "HCF = " << hcf;

  return 0;
}

Source: programiz.com

Similar codes

1 vote336 views1 answer
Qt qchar to lower
C++
0 vote343 views1 answer
C++ void to avoid functions
C++
4 votes306 views6 answers
For loop c++
C++
1 vote297 views1 answer
C++ ->
C++
6 votes313 views2 answers
Indexing strings in c++
C++
0 vote353 views1 answer
Equalize problem codeforces
C++
0 vote309 views1 answer
The iostream is the head er file which contains all the functions of program like cout, cin and etc.
C++
5 votes301 views1 answer
Exit() in c++
C++
0 vote307 views1 answer
Taking integer input from file in c++
C++
0 vote329 views1 answer
Rectangle Area hackerrank in c++
C++