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ProblemPommel is very bored at home so she has invented a new game involving N dice. Each die has the numbers from 1 to M written on it. Whenever she throws a die, it has an equal probability of landing on each of the M possible values.Pommel places all

1076: [SCOI2008]奖励关Time Limit: 10 Sec  Memory Limit: 162 MBSubmit: 328  Solved: 199[Submit][Status][Discuss]Description你正在玩你最喜欢的电子游戏，并且刚刚进入一个奖励关。在这个奖励关里，系统将依次随机抛出k次宝物，每次你都可以选择吃或者不吃（必须在抛出下一

2878: [Noi2012]迷失游乐园Time Limit: 10 Sec  Memory Limit: 512 MBSec  Special JudgeSubmit: 319  Solved: 223[Submit][Status]Description放假了，小Z觉得呆在家里特别无聊，于是决定一个人去游乐园玩。进入游乐园后，小Z看了看游乐园的地图，发现可以将游乐园抽象

D. Ilya and Escalatortime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIlya got tired of sports programming,

Leader in Tree LandTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 498    Accepted Submission(s): 208Problem DescriptionTree land ha

ICPCCamp 2016 Day 3 - Grand Prix of China(Random Arithmetic-dp) 题解

List’s father morejarphone likes playing poker with List very much. Now List has a deck of playing card, consisting of a black cards and b red cards. List shuffles the cards randomly, puts them on the

Random groups of sizes between 1 and g people arrive at the restaurant. Each group occupies the smallest table that fits the group, or leaves if there is no such table. Find the average occupa