Game Hdu 3032, Hdu 1525

HDU 3032:

#include <cstdio>
#include <cstring>
#include <stdlib.h>
#include <algorithm>
#include <iostream>
#include <math.h>
using namespace std;
#define LL Long Long
 

int main ()
{
	int t;
	scanf ("%d", &t);
	while (t--)
	{
		int n,i,j,k;
		scanf ("%d", &n);
		int ans=0;
		while (n--)
		{
			scanf ("%d", &k);
			j=k%4;
			if (j==3) k++;
			else if (j==0) k--;
			ans^=k;
		}
		if (ans)
			printf ("alice\n");
		else
			printf ("bob\n");
	}
}

HDU 1525:

#include <cstdio>
#include <cstring>
#include <stdlib.h>
#include <algorithm>
#include <iostream>
#include <math.h>
using namespace std;
#define LL Long long
 
int p[1000];
int main ()
{
	int n,m,t;
	while (scanf ("%d%d", &n,&m), n+m)
	{
		if (n<m) swap (n,m);
		int cnt=0;
		while (m)
		{
			p[cnt]=n/m;
			t=m;
			m=n%m;
			n=t;
			cnt++;
		}
		int F;
		if (cnt==0)
			f=0;
		else if (cnt==1)
		{
			f=1;
		}
		else 
		{
			int sum=0;
			for (int i=0;i<cnt-1;i++)
			{
				if (p[i]==1)
					sum++;
				else break
					;
			}
			if (sum%2==1)
				f=0;
			else
				f=1;
		}
		if (f==1)
			printf ("Stan wins\n");
		else
			printf ("Ollie wins\n");
	}
}