sunnykema的专栏

Bridging signalsTime Limit:1000MS    Memory Limit:32768KB    64bit IO Format:%I64d & %I64uDescription'Oh no, they've done it again', cries the chief designer at the Waferland chip fact

数塔Problem Description在讲述DP算法的时候，一个经典的例子就是数塔问题，它是这样描述的：有如下所示的数塔，要求从顶层走到底层，若每一步只能走到相邻的结点，则经过的结点的数字之和最大是多少？已经告诉你了，这是个DP的题目，你能AC吗? Input输入数据首先包括一个整数C,表示测试实例的个数，每个测试实例的第一行是一个整数N(1

Max SumTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 160148    Accepted Submission(s): 37497Problem DescriptionGiven a sequenc

ZipperTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7435    Accepted Submission(s): 2625Problem DescriptionGiven three strings, yo

下沙小面的(2)Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1536    Accepted Submission(s): 619Problem Description前文再续，书接上一题。话说当上小面的司机的L

一个人的旅行Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22017    Accepted Submission(s): 7630Problem Description虽然草儿是个路痴（就是在杭电待了一年多，居然

变形课Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 15961    Accepted Submission(s): 5752Problem Description呃......变形课上Harry碰到了一点小麻烦

Sum It UpTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4597    Accepted Submission(s): 2372Problem DescriptionGiven a specified to

Robot MotionTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7565    Accepted Submission(s): 3459Problem DescriptionA robot has b

Quoit DesignTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Problem DescriptionHave you ever played quoit in a playground? Quoit is a game in which flat r

RobberiesTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Problem DescriptionThe aspiring Roy the Robber has seen a lot of American movies, and knows that

Bone CollectorTime Limit:1000MS    Memory Limit:32768KB    64bit IO Format:%I64d & %I64uDescriptionMany years ago , in Teddy’s hometown there was a man who was called “Bone Collector”.

A -饭卡Time Limit:1000MS    Memory Limit:32768KB    64bit IO Format:%I64d & %I64uDescription电子科大本部食堂的饭卡有一种很诡异的设计，即在购买之前判断余额。如果购买一个商品之前，卡上的剩余金额大于或等于5元，就一定可以购买成功（即使购买后卡上余额为负），否则无法购买（即使金额

CoinsTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7939    Accepted Submission(s): 3241Problem DescriptionWhuacmers use coins.

最大报销额Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Problem Description现有一笔经费可以报销一定额度的发票。允许报销的发票类型包括买图书（A类）、文具（B类）、差旅（C类），要求每张发票的总额不得超过1000元，每张发票上，单项物品的

Piggy-BankTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Problem DescriptionBefore ACM can do anything, a budget must be prepared and the necessary fina

Bone Collector IITime Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Problem DescriptionThe title of this problem is familiar,isn't it?yeah,if you had took par

龟兔赛跑Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Problem Description据说在很久很久以前，可怜的兔子经历了人生中最大的打击——赛跑输给乌龟后，心中郁闷，发誓要报仇雪恨，于是躲进了杭州下沙某农业园卧薪尝胆潜心修炼，终于练成了绝技，能

ACboy needs your helpTime Limit:1000MS    Memory Limit:32768KB    64bit IO Format:%I64d & %I64uDescriptionACboy has N courses this term, and he plans to spend at most M days on study.O

NightmareTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7958    Accepted Submission(s): 3820Problem DescriptionIgnatius had a night