题目：P7615 [COCI2011-2012#2] OKRET 求助，为什么第五测试点WA，72分

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

int main()
{
    char c[10][10];
    int R,C,four,cnt = 0;
    cin >> R >> C;
    for(int i = 0;i < R;i++)
        for(int j = 0;j < C;j++)
            cin >> c[i][j];
    for(int i = 1;i < R - 1;i++)
        for(int j = 1;j < C - 1;j++)
        {
            four = 0;
            if(c[i][j] == '.')
            {
                if(c[i + 1][j] == 'X')
                    four++;
                if(c[i - 1][j] == 'X')
                    four++;
                if(c[i][j - 1] == 'X')
                    four++;
                if(c[i][j + 1] == 'X')
                    four++;
            }
            if(four >= 3)
            {
                cout << 1;
                return 0;
            }
        }
    cout << 0 << endl;
    return 0;
}