摘要：
最长公共子序列不需要字符连续出现和字串不同 //LCS 求最长公共子串模板题 Common Subsequence 描述 A subsequence of a given sequence is the given sequence with some elements (possible none 阅读全文
摘要：
//bfs求最小行走步数模板题 TOJ-2481: Knight Moves 描述 Background Mr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him can move knights from 阅读全文