Walk Out Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 639    Accepted Submission(s): 114 Problem Description In an n∗m maze, the right-bottom corner is the exit (position (n,m) is the exit).…

题目链接: hdu 5335 Walk Out 题目描述: 有一个n*m由0 or 1组成的矩形,探险家要从(1,1)走到(n, m),可以向上下左右四个方向走,但是探险家就是不走寻常路,他想让他所走的路线上的0/1组成的二进数最小,现在要为矫情无比的探险家找最优路径咯. 解题思路: 对于二进制数,前导零是对数字大小没有任何影响的.当到不得不走1的时候就只能向下,或者向右走了.所以先搜索出来一直走零,能走到的最靠近终点的位置,然后在类似搜索,找出最优路径. #include <queue> #…

tree Time Limit: 8000ms Memory Limit: 262144KB This problem will be judged on HDU. Original ID: 539064-bit integer IO format: %I64d      Java class name: Main   Given a rooted tree(node 1 is the root) with n nodes. The ithnode has a positive value vi…

Yu-Gi-Oh! Time Limit: 2000ms Memory Limit: 65536KB This problem will be judged on HDU. Original ID: 538364-bit integer IO format: %I64d      Java class name: Main   "Yu-Gi-Oh!", also known as "Dueling Monsters", is a popular trading ca…

The path Time Limit: 2000ms Memory Limit: 65536KB This problem will be judged on HDU. Original ID: 538564-bit integer IO format: %I64d      Java class name: Main Special Judge   You have a connected directed graph.Let d(x) be the length of the shorte…

Boring Class Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 900    Accepted Submission(s): 247 Problem Description Mr. Zstu and Mr. Hdu are taking a boring class , Mr. Zstu comes up with a prob…

RGCDQ Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1652    Accepted Submission(s): 696 Problem Description Mr. Hdu is interested in Greatest Common Divisor (GCD). He wants to find more and mo…

CRB and Apple Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 421    Accepted Submission(s): 131 Problem Description In Codeland there are many apple trees.One day CRB and his girlfriend decide…

CRB and Queries Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 533    Accepted Submission(s): 125 Problem DescriptionThere are N boys in CodeLand.Boy i has his coding skill Ai.CRB wants to k…

Just A String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 643    Accepted Submission(s): 182 Problem Descriptionsoda has a random string of length n which is generated by the following alg…