A. Epic Game Solution

#include<bits/stdc++.h>
using namespace std;

int gcd(int a,int b)
{

    if (a<b)
    {
        int temp=a;
        a=b;
        b=temp;
    }
    while (a%b !=0)
    {
        int c=a;
        a=b;
        b=c%b;
    }

    return b;

}
int main()
{
    int a,b,c,d;
    scanf("%d%d%d",&a,&b,&c);
    int i=0;
    while(1)
    {
        d=gcd(a,c);
        c=c-d;
        i++;

         if (c<=0)
            break;

        d=gcd(b,c);
        c=c-d;
        i++;

        if (c<=0)
            break;
    }

    if (i%2==1)
        printf("0\n");
    else
        printf("1\n");

    return 0;


}


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