Java gcd gcd(int a, int b)

Description

gcd

License

Open Source License

Declaration

public static int gcd(int a, int b) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static int gcd(int a, int b) {
        if (a > b) {
            int tmp = a;
            a = b;//from w  ww .  j  a va  2s. c  o  m
            b = tmp;
        }
        if (a == 0) {
            return 0;
        }
        if (b % a == 0) {
            return a;
        }
        return gcd(b % a, a);
    }

    public static long gcd(long a, long b) {
        if (a > b) {
            long tmp = a;
            a = b;
            b = tmp;
        }
        if (a == 0) {
            return 0;
        }
        if (b % a == 0) {
            return a;
        }
        return gcd(b % a, a);
    }
}

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