delete pics to save space

2.810.cpp

@@ -0,0 +1,99 @@
+#include<vector>
+#include<cstdio>
+#include<cstring>
+using namespace std;
+const int D[4][2] = { -1, 0, 1, 0, 0, -1, 0, 1 };
+const int N = 15;
+char str[25];
+int n, m, sx, sy, u, f, g[N][N];
+int vis[N][N][7][7];
+int to[7][7];
+struct State
+{
+	int x, y, u, f;//×ø±ê£¬¶¥Ã棬ÕýÃæ
+	int pre;//¸¸½áµã±àºÅ
+	State(){}
+	State(int x, int y, int u, int f, int pre)
+	{
+		this->x = x;
+		this->y = y;
+		this->u = u;
+		this->f = f;
+		this->pre = pre;
+	}
+}q[10005];
+
+void tra(int&vu, int&vf, int d)
+{
+	if (d == 0){ int tmp = vf; vf = 7 - vu; vu = tmp; }//ÏòÉÏ
+	if (d == 1){ int tmp = vu; vu = 7 - vf; vf = tmp; }//ÏòÏÂ
+	if (d == 2)vu = 7 - to[vu][vf];//ÏòÓÒ
+	if (d == 3)vu = to[vu][vf];//Ïò×ó
+}
+typedef pair<int, int>P;
+vector<P>ans;
+void print(int u)//µÝ¹éÑ°ÕÒ¸ù½áµã£¬ºÃ´¦ÊÇÈë¶ÓÁÐ˳ÐòÕýºÃÊÇ˳ÐòµÄ£¬²»¹ýÖ»ÊÊÓÃÓÚ·¾¶½Ï¶ÌµÄÇé¿ö
+{
+	if (u == -1)return;
+	print(q[u].pre);
+	ans.push_back(P(q[u].x, q[u].y));
+}
+void bfs()
+{
+	ans.clear();
+	int head = 0, rear = 0;
+	q[rear++] = State(sx, sy, u, f, -1);
+	memset(vis, 0, sizeof(vis));
+	vis[sx][sy][u][f] = 1;
+	while (head < rear)
+	{
+		State u = q[head++];//³ö¶ÓÁÐ
+		for (int i = 0; i < 4; i++)
+		{
+			State v = u;
+			v.x += D[i][0], v.y += D[i][1];
+			if (v.x <= 0 || v.x>n || v.y <= 0 || v.y>m)continue;
+			if (g[v.x][v.y] != -1 && u.u != g[v.x][v.y])continue;
+			if (v.x == sx&&v.y == sy)
+			{
+				print(head - 1);//ÑØן¸½áµãÕÒµ½¸ù
+				ans.push_back(P(sx, sy));//ÓÉÓÚ
+				int tot = ans.size();
+				for (int i = 0; i < tot; i++)
+				{
+					if (i % 9 == 0)printf("\n  ");
+					printf("(%d,%d)%c", ans[i].first, ans[i].second, i == tot - 1 ? '\n' : ',');
+				}
+				return;
+			}
+			tra(v.u, v.f, i);
+			if (vis[v.x][v.y][v.u][v.f])continue;
+			vis[v.x][v.y][v.u][v.f] = 1;//±ê¼Ç·ÃÎʹý
+			v.pre = head - 1;//¼Ç¼¸¸½áµã±àºÅ
+			q[rear++] = v;//Èë¶ÓÁÐ
+		}
+	}
+	printf("\n  No Solution Possible\n");
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	to[1][2] = 4; to[1][3] = 2; to[1][4] = 5; to[1][5] = 3;//´ò±í£¬to[u][f]±íʾ¶¥ÃæÊÇu£¬ÕýÃæÊÇfʱµÄÓÒ²àÃæµÄÖµ
+	to[2][1] = 3; to[2][3] = 6; to[2][4] = 1; to[2][6] = 4;
+	to[3][1] = 5; to[3][2] = 1; to[3][5] = 6; to[3][6] = 2;
+	to[4][1] = 2; to[4][2] = 6; to[4][5] = 1; to[4][6] = 5;
+	to[5][1] = 4; to[5][3] = 1; to[5][4] = 6; to[5][6] = 3;
+	to[6][2] = 3; to[6][3] = 5; to[6][4] = 2; to[6][5] = 4;
+	while (~scanf("%s", str) && strcmp(str, "END"))
+	{
+		printf("%s", str);
+		scanf("%d%d%d%d%d%d", &n, &m, &sx, &sy, &u, &f);
+		for (int i = 1; i <= n;i++)
+		for (int j = 1; j <= m; j++)
+			scanf("%d", &g[i][j]);
+		bfs();
+	}
+	return 0;
+}