zju 2529 DomiNo Grid

来源：互联网发布：python社交数据可视化编辑：程序博客网时间：2024/04/27 15:05

_{简单提，只有广搜可以过
_{#include <iostream>
#include <string>
#include <queue>
using namespace std;
typedef struct
...{
    int x, y;
    char c;
}Node;
int m, n;
char a[501][501];
int d[8][3][2] = ...{
    ...{...{-1,0},...{-1,-1},...{-1,1}},//n
    ...{...{-1,1},...{-1,0},...{0,1}},  //y
    ...{...{0,1},...{-1,1},...{1,1}},   //e
    ...{...{1,1},...{0,1},...{1,0}},    //q
    ...{...{1,0},...{1,-1},...{1,1}},   //s
    ...{...{1,-1},...{0,-1},...{1,0}},   //j
    ...{...{0,-1},...{-1,-1},...{1,-1}}, //w
    ...{...{-1,-1},...{0,-1},...{-1,0}}//v
};
char chooseDir(int x, int y)
...{
    if(x==0 && y==-1)
        return 'W';
    if(x==-1 && y==-1)
        return 'V';
    if(x==-1 && y==0)
        return 'N';
    if(x==-1 && y==1)
        return 'Y';
    if(x==0 && y==1)
        return 'E';
    if(x==1 && y==1)
        return 'Q';
    if(x==1 && y==0)
        return 'S';
    if(x==1 && y==-1)
        return 'J';
}

void print()
...{
    int i, j;
    for (i=0; i<n; ++i)
    ...{
        for (j=0; j<m; ++j)
        ...{
            printf("%c",a[i][j]);
        }
        printf(" ");
    }
}
int main()
...{

    int i, j;
    int x, y;
    char dir;
    bool flag = false;
    queue<Node> mq;
    Node st, t, tt;
    while (scanf("%d%d",&n, &m) != EOF)
    ...{
        if(!flag)
            flag = true;
        else
            printf(" ");
        getchar();
        for (i=0; i<n; ++i)
        ...{
            for (j=0; j<m; ++j)
            ...{
                scanf("%c",&a[i][j]);
            }
            getchar();
        }
    //    print();
        scanf("%d %d %c",&x, &y, &dir);
        st.x = --x, st.y = --y, st.c = dir;
        a[x][y] = dir;
        mq.push(st);
        while (!mq.empty())
        ...{
            t = mq.front();
            mq.pop();
            //a[t.x][t.y] = t.c;
            int index = -1;
            if(t.c == 'N')
                index = 0;
            if(t.c == 'Y')
                index = 1;
            if(t.c == 'E')
                index = 2;
            if(t.c == 'Q')
                index = 3;
            if(t.c == 'S')
                index = 4;
            if(t.c == 'J')
                index = 5;
            if(t.c == 'W')
                index = 6;
            if(t.c == 'V')
                index = 7;
            int xx, yy;
            for (int i=0; i<3; ++i)
            ...{
                xx = t.x + d[index][i][0];
                yy = t.y + d[index][i][1];
                if(xx>=0&&xx<n && yy>=0&&yy<m)
                ...{
                    if(a[xx][yy]=='X')
                    ...{
                        tt.x = xx;
                        tt.y = yy;
                        tt.c = chooseDir(d[index][i][0], d[index][i][1]);
                        a[xx][yy] = chooseDir(d[index][i][0], d[index][i][1]);
                        mq.push(tt);
                    }
                }
            }

        }
        print();

    }
    return 0;
}}}