UVA_141_The_Spot_Game

#include<cstdio>
#include<cstdlib>

#define N 52

using namespace std;

typedef struct _Spot{
    bool chess[N][N];
}Spot;

Spot spot[8*N];
bool game[N][N];
int n;

int Init()
{
    for(int i = 0;i < n;++i)
        for(int j = 0;j < n;j++)
        {
            game[i][j] = false;
        }

}

int  Add_spot(int num)
{
    for(int i = 0;i < n;i++)
        for(int j = 0;j < n;j++)
            spot[num].chess[i][j] = game[i][j];
    num++;
    for(int i = 0;i < n;i++)
        for(int j = 0;j < n;j++)
            spot[num].chess[i][j] = game[n-j][i];
    num++;
    for(int i = 0;i < n;i++)
        for(int j = 0;j < n;j++)
            spot[num].chess[i][j] = game[n-i][n-j];
    num++;
    for(int i = 0;i < n;i++)
        for(int j = 0;j < n;j++)
            spot[num].chess[i][j] = game[j][n-i];
}

bool judge(int num)
{
    for(int i = 0;i < n;i++)
        for(int j = 0;j < n;j++)
            if(game[i][j] != spot[num].chess[i][j])
                return false;
    return true;
}

int main()
{
    while(~scanf("%d",&n) && n)
    {
        Init();
        int result = 0;
        int cc = 0;
        for(int i = 1;i <= 2*n;++i)
        {
            int xx,yy;
            char oper;
            scanf("%d %d %c",&xx,&yy,&oper);
            game[xx-1][yy-1] = '+' == oper ? true : false;

            if(!result)
            {

                bool check = false;
                for(int p = 0;p < cc;p++)
                    if(judge(p))
                    {
                        check = true;
                        break;
                    }
                if(check)
                    result = i%2==0 ? -i:i;
                Add_spot(cc);
                cc+=4;
            }
        }
        if(result > 0)
            printf("Player 2 wins on move %d\n",result);
        else if(result < 0)
            printf("Player 1 wins on move %d\n",-result);
        else
            printf("Draw\n");
    }
    return 0;
}