pid=5282">http://acm.hdu.edu.cn/showproblem.php?pid=5282 Problem Description Xuejiejie loves strings most. In order to win the favor of her, a young man has two strings X, Y to Xuejiejie. Xuejiejie has never seen such beautiful strings! These days…
题意: 输入俩个字符串,怎样变换使其所有字符对和最大.(字符只有'A','C','G','T','-') 其中每对字符对应的值如下: 怎样配使和最大呢. 比如: A G T G A T G - G T T A - G 和为 (-3)+5+5+(-2)+5+(-1) +5=14. 题解: 最长公共子序列的变形. 设dp[i][j]为a的前i个和b的前j个字符能构成的最大和. score[][]为每对字符的值,比如score['A']['G']为'A','G'这对字符对应的值. string a…
Description In a few months the European Currency Union will become a reality. However, to join the club, the Maastricht criteria must be fulfilled, and this is not a trivial task for the countries (maybe except for Luxembourg). To enforce that Germa…
Palindrome Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 53414 Accepted: 18449 Description A palindrome is a symmetrical string, that is, a string read identically from left to right as well as from right to left. You are to write a…