07 2017 档案
摘要:2243: [SDOI2011]染色 Description 给定一棵有n个节点的无根树和m个操作,操作有2类: 1、将节点a到节点b路径上所有点都染成颜色c; 2、询问节点a到节点b路径上的颜色段数量(连续相同颜色被认为是同一段),如“112221”由3段组成:“11”、“222”和“1”。 请你
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摘要:Balala Power! Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1411 Accepted Submission(s): 239
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摘要:Prefix Time Limit: 2000/4000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 858 Accepted Submission(s): 256 Problem D
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摘要:Problem J: Alex’s Foolish Function Description Alex has an array F which size is n, initially each element’s value is zero. Now he wants to operate th
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摘要:Shaolin Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 3191 Accepted Submission(s): 1350 Proble
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摘要:非诚勿扰 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 2202 Accepted Submission(s): 797 Problem De
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摘要:Double Queue Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15786 Accepted: 6998 Description The new founded Balkan Investment Group Bank
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摘要:3224: Tyvj 1728 普通平衡树 Description 您需要写一种数据结构(可参考题目标题),来维护一些数,其中需要提供以下操作: 1. 插入x数 2. 删除x数(若有多个相同的数,因只删除一个) 3. 查询x数的排名(若有多个相同的数,因输出最小的排名) 4. 查询排名为x的数 5.
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摘要:拯救大兵瑞恩 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 264 Accepted Submission(s): 106 Problem D
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摘要:给你一幅N*M的地图,地图中有不能到达的障碍物'#'与可以走的点'.',从(1,1)开始走到(N,M),其中每一次走动均等概率地向周围的可达的格子走去,求到达(N,M)的期望步数。(N,M<=10) 一开始根本不知道这题居然是用高斯消元来做的,感觉非常神奇,高斯消元作用就是你自己列出一系列关于期望的
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摘要:Lanterns Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1945 Accepted Submission(s): 767 Proble
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摘要:开关问题 Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 8714 Accepted: 3424 Description 有N个相同的开关,每个开关都与某些开关有着联系,每当你打开或者关闭某个开关的时候,其他的与此开关相关联的开关
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摘要:Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 45691 Accepted: 19590 Description Flip game is played on a rectangular 4x4 field
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摘要:EXTENDED LIGHTS OUT Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 10835 Accepted: 6929 Description In an extended version of the game Lig
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摘要:3876: [Ahoi2014]支线剧情 Description 【故事背景】 宅男JYY非常喜欢玩RPG游戏,比如仙剑,轩辕剑等等。不过JYY喜欢的并不是战斗场景,而是类似电视剧一般的充满恩怨情仇的剧情。这些游戏往往 都有很多的支线剧情,现在JYY想花费最少的时间看完所有的支线剧情。 【问题描述】
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摘要:丽娃河的狼人传说 Time limit per test: 1.0 seconds Memory limit: 256 megabytes 丽娃河的狼人传说 Time limit per test: 1.0 seconds Memory limit: 256 megabytes Time limit
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摘要:Housewife Wind Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 11419 Accepted: 3140 Description After their royal wedding, Jiajia and Wind
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摘要:Katu Puzzle Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9987 Accepted: 3741 Description Katu Puzzle is presented as a directed graph G(
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摘要:Get Luffy Out Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 8851 Accepted: 3441 Description Ratish is a young man who always dreams of be
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摘要:Wedding Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10427 Accepted: 3170 Special Judge Description Up to thirty couples will attend a w
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摘要:Priest John's Busiest Day Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10010 Accepted: 3425 Special Judge Description John is the only p
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摘要:Problem C. Numbers This contest is open for practice. You can try every problem as many times as you like, though we won't keep track of which problem
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摘要:The Windy's Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 5362 Accepted: 2249 Description The Windy's is a world famous toy factory that
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