题目来自:http://218.5.5.242:9018/JudgeOnline/problem.php?id=2472 题目描述 给定 n 个长度不超过 50 的由小写英文字母组成的单词准备查询,以及一篇长为 m 的文章,问:文中出现了多少个待查询的单词.多组数据. 输入 第一行一个整数 T ,表示数据组数:对于每组数据,第一行一个整数 n ,接下去 n 行表示 n 个单词,最后一行输入一个字符串,表示文章. 输出 对于每组数据,输出一个数,表示文中出现了多少个待查询的单词. 样例输入
Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other words in words. If there is more than one possible answer, return the longest word with the smallest l
Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same letter cell may not be use