LETTERS Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 8119   Accepted: 3661 Description A single-player game is played on a rectangular board divided in R rows and C columns. There is a single uppercase letter (A-Z) written in every po…

LETTERS Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 8976   Accepted: 4017 Description A single-player game is played on a rectangular board divided in R rows and C columns. There is a single uppercase letter (A-Z) written in every po…

poj1010--邮票问题 DFSpoj1011--Sticks dfs + 剪枝poj1020--拼蛋糕poj1054--The Troublesome Frogpoj1062--昂贵的聘礼poj1077--Eightpoj1084--Square Destroyerpoj1085--Triangle War(博弈,極大極小搜索+alpha_beta剪枝)poj1088--滑雪poj1129--Channel Allocation 着色问题 dfspoj1154--letters (dfs)p…

题目出处:<信息学奥赛一本通>第五章上机练习1 或者 POJ1154 题目描述 给出一个 \(R\times S\) 的大写字母矩阵,一开始你所处的位置在左上角,你可以向上下左右四个方向移动,并且不能移到曾经经过的字母(比如,你之前走到过一个'A'上,那么你以后就不能再走到'A'上了).问最多可以经过几个字母. 输入格式 第一行,输入字母矩阵行数 \(R\) 和列数 \(S\) , \(1 \le R,S \le 20\) . 接着输入 \(R\) 行,每行为一个包含 \(S\) 个字母的字符…