洛谷P1518两只塔姆沃斯牛

#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;
char m[12][12];
int farmer[3];
int cow[3];
bool zt[200000];
int ans;
void move(int x, int y, int dir, int type)
{
    if(dir == 0)
    {
        if(m[x-1][y] == '*')
        {
            if(type == 0)
            {
                farmer[0] = 1;
            }else
            {
                cow[0] = 1;
            }
        }else if(type == 0)
        {
            farmer[1]--;
        }else
        {
            cow[1]--;
        }

    }

    if(dir == 1)
    {
        if(m[x][y+1] == '*')
        {
            if(type == 0)
            {
                farmer[0] = 2;
            }else
            {
                cow[0] = 2;
            }
        }else if(type == 0)
        {
            farmer[2]++;
        }else
        {
            cow[2]++;
        }
    }

    if(dir ==2)
    {
        if(m[x+1][y] == '*')
        {
            if(type == 0)
            {
                farmer[0] = 3;
            }else
            {
                cow[0] = 3;
            }
        }else if(type == 0)
        {
            farmer[1]++;
        }else
        {
            cow[1]++;
        }
    }

    if(dir == 3)
    {
        if(m[x][y-1] == '*')
        {
            if(type == 0)
            {
                farmer[0] = 0;
            }else
            {
                cow[0] = 0 ;
            }
        }else if(type == 0)
        {
            farmer[2]--;
        }else
        {
            cow[2]--;
        }
    }
}

bool res()
{
    if(farmer[1] == cow[1] && farmer[2] == cow[2] )
    {
        return false;
    }else
    {
        return true;
    }
}

int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    for(int i = 0; i <= 11 ; i++)
    {
        m[i][0] = '*';
        m[i][11] = '*';
    }

    for(int i = 1 ; i <= 10; i++)
    {
        m[0][i] = '*';
        m[11][i] = '*';
    }

    for(int i = 1; i <= 10; i++)
    {
        for(int j = 1; j <= 10; j++)
        {
            cin >> m[i][j];
            if(m[i][j] == 'F')
            {
                farmer[1] = i;
                farmer[2] = j;
            }
            if(m[i][j] == 'C')
            {
                cow[1] = i;
                cow[2] = j;
            }
        }
    }

    while(res())
    {
        int spe = farmer[1] + farmer[2]*10 + cow[1]*100+ cow[2]*1000 + farmer[0] *10000+cow[0]*40000;
        if(zt[spe])
        {
            cout << 0 << endl;
            return 0;
        }
        zt[spe] = 1;

        move(farmer[1] , farmer[2] , farmer[0], 0);
        move(cow[1] , cow[2] , cow[0] , 1);
        ans++;
    }
    cout << ans << endl;
    return 0;
}