package BasicJavaProblems;

public class gcd {

static int GeneralMethod(int a, int b) {

int gcd = 0;

for (int i = 1; i <= a && i <= b; i++) {

if (a % i == 0 && b % i == 0)

gcd = i;

}

return gcd;

}

static int eludienSub(int a, int b) {

if (b == 0)

return a;

else

return eludienSub(b, Math.abs(a - b));

}

static int eludienMod(int a, int b) {

if (b == 0)

return a;

else

return eludienSub(b, (a % b));

}

public static void main(String[] args) {

System.out.println("General Method :");

System.out.println(GeneralMethod(20, 30));

System.out.println("Eudien Algorithm(Subtraction)");

System.out.println(eludienSub(20, 30));

System.out.println("Eudien Algorithm(%)");

System.out.println(eludienMod(20, 30));

}

}