Create 1204_ACM_Ted.cpp

From http://blog.csdn.net/acm_ted/article/details/7830359

POJ/1204_ACM_Ted.cpp

@@ -0,0 +1,70 @@
+#include<cstdio>
+#include<cstring>
+using namespace std;
+struct node
+{
+    node *next[26];
+    int id;
+    node()
+    {
+        memset(next,0,sizeof(next));
+        id=0;
+    }
+}*head;
+int dir[][2]={-1,0,-1,1,0,1,1,1,1,0,1,-1,0,-1,-1,-1};//方向
+char mat[1005][1005];//地图
+char s[1005];
+int out[1005][3];
+int cnt,x,y;
+int n,m,w;
+void build(char *s,node *head,int id)//建树
+{
+    int len=strlen(s),k;
+    for(int i=0;i<len;++i)
+    {
+        k=s[i]-'A';
+        if(head->next[k]==NULL)
+           head->next[k]=new node();
+        head=head->next[k];
+    }
+    head->id=id;
+}
+void dfs(node *p,int a,int b,int c)//深搜
+{
+    if(p==NULL) return;
+    if(p->id>0)
+    {
+        out[p->id][0]=x;out[p->id][1]=y;out[p->id][2]=c;
+        p->id=0;
+        //这里不能return
+    }
+    if(a<0||n<=a||b<0||m<=b) return;
+    dfs(p->next[mat[a][b]-'A'],a+dir[c][0],b+dir[c][1],c);
+}
+int main()
+{
+    head=new node();
+    node *p;
+    scanf("%d%d%d",&n,&m,&w);
+    //输入地图
+    for(int i=0;i<n;++i)
+        scanf("%s",mat[i]);
+    for(int i=1;i<=w;++i)
+    {
+        scanf("%s",s);
+        build(s,head,i);
+    }
+    //枚举地图上每个点
+    for(int i=0;i<n;++i)
+        for(int j=0;j<m;++j)
+            for(int k=0;k<8;++k)
+            {
+                x=i;y=j;
+                p=head;
+                dfs(p,i,j,k);
+            }
+    //输出
+    for(int i=1;i<=w;++i)
+        printf("%d %d %c\n",out[i][0],out[i][1],out[i][2]+'A');
+    return 0;
+}