Beans Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3418    Accepted Submission(s): 1629 Problem Description Bean-eating is an interesting game, everyone owns an M*N matrix, which is filled wi…
Problem Description Bean-eating is an interesting game, everyone owns an M*N matrix, which is filled with different qualities beans. Meantime, there is only one bean in any 1*1 grid. Now you want to eat the beans and collect the qualities, but everyo…
题目链接 http://acm.hdu.edu.cn/showproblem.php?pid=1260 题意 有N个人来买电影票 因为售票机的限制 可以同时 卖一张票 也可以同时卖两张 卖两张的话 两个人必须是相邻的 给出 N 个 价格 是 一个一个买的时间花费 给出 N - 1个价格 是 相邻的两个人一起买的时间花费 求出 最小的时间花费 思路 dp[i] 表示 卖到当前这个人的时间花费 状态转移方程 dp[i] = min(dp[i - 2] + b[i - 1], dp[i - 1] +…
Problem Description Bean-eating is an interesting game, everyone owns an M*N matrix, which is filled with different qualities beans. Meantime, there is only one bean in any 1*1 grid. Now you want to eat the beans and collect the qualities, but everyo…
HDOJ_1087_Super Jumping! Jumping! Jumping! [DP] Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 44670 Accepted Submission(s): 20693 Problem Description Nowadays, a kind of chess game called "Super…
Kattis - honey[DP] 题意 有一只蜜蜂,在它的蜂房当中,蜂房是正六边形的,然后它要出去,但是它只能走N步,第N步的时候要回到起点,给出N, 求方案总数 思路 用DP 因为N == 14 所以 最多走7步 我们不妨设 (7, 7) 为原点,然后 dp[0][7][7] = 1 因为 N == 0 的时候 方案数只有一个 那就是 不动吧.. dp[i][j][k] i 代表第几步 j k 分别表示 目前的位置 一个点 在一张图里面本来有八个方向可以走 这里六边形 我们只取六个方向就可…
HDOJ 1423 Greatest Common Increasing Subsequence [DP][最长公共上升子序列] Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 8768 Accepted Submission(s): 2831 Problem Description This is a problem from ZOJ 24…
HDOJ 1501 Zipper [DP][DFS+剪枝] Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10886 Accepted Submission(s): 3925 Problem Description Given three strings, you are to determine whether the third str…
HDOJ 1257 最少拦截系统 [DP] Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 50753 Accepted Submission(s): 19895 Problem Description 某国为了防御敌国的导弹袭击,发展出一种导弹拦截系统.但是这种导弹拦截系统有一个缺陷:虽然它的第一发炮弹能够到达任意的高度,但是以后每一发炮弹…
HDOJ 1159 Common Subsequence[DP] Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 44280 Accepted Submission(s): 20431 Problem Description A subsequence of a given sequence is the given sequence wit…