Easy ForumPostEasy
题意：有一个论坛，告诉你一些文章发布的确切时间和模糊时间，让你推算当前可能的字典序最小的时间。
确切时间就是hh:mm:ss" role="presentation" style="position: relative;">hh:mm:sshh:mm:sshh:mm:ss表示时、分、秒。
模糊时间形如：
few seconds ago" role="presentation" style="position: relative;">few seconds agofew s
Easy Lilypads
题意：一个n×m" role="presentation" style="position: relative;">n×mn×mn\times m的池塘，每一个格子有一片荷叶，一只青蛙从(x,y)" role="presentation" style="position: relative;">(x,y)(x,y)(x,y)开始跳，每一次可以向四个方向中的任何一个方向跳任意距离，但是不能两次往同一个方向跳，输出一种方案让青蛙经过每个格子恰好一次。 n,m≤50" role="presentation" sty
Easy NextLuckyNumber
题意：给定整数x" role="presentation" style="position: relative;">xxx，找到比x" role="presentation" style="position: relative;">xxx大的数字d" role="presentation" style="position: relative;">ddd出现了a" role="presentation" style="position: relative;">aaa次的最小的整数。x≤1017,d&
A Digits Sum
for" role="presentation" style="position: relative;">forforfor循环题目，就不翻译了。
B RGB Coloring
题意：一个长度为n" role="presentation" style="position: relative;">nnn的序列，可以染成三种颜色或者不染，得分分别为A,B,A+B,0" role="presentation" style="position: relative;">A,B,A+B,0A,B,A+B,0A,B,A+B,0。问有多少种本质不同的
Easy ResistorFactory
题意：你一开始的产品只有1" role="presentation" style="position: relative;">111欧姆的电阻
你可以制造一些产品，每个产品都是之前产品的串联或者并联。
现在你要造出d/109" role="presentation" style="position: relative;">d/109d/109d/10^9欧姆的等效电阻。d∈[0,1018]" role="presentation" style="position: relative;">d∈[0,1018]
Easy ChangeDistances
题意：给定一个n" role="presentation" style="position: relative;">nnn个点的无向图G" role="presentation" style="position: relative;">GGG，要构造一个n" role="presentation" style="position: relative;">nnn个点的新无向图H" role="presentation" style="position: relative;">HHH满足对于任意点对u,v" role="prese
【题目描述】兔子们在玩两个串的游戏。给定两个字符串S和T，兔子们想知道T在S中出现了几次，分别在哪些位置出现。注意T中可能有“?”字符，这个字符可以匹配任何字符。 【输入】两行两个字符串，分别代表S和T 【输出】第一行一个正整数k，表示T在S中出现了几次 接下来k行正整数，分别代表T每次在S中出现的开始位置。按照从小到大的顺序输出，S下标从0开始。 【输入样例】bbabaababaaaaabaaaaaaaabaaabbbabaaabbabaabbbbabbbbbbabbaabbbababababbbbbbaaabaaabbbbbaabbbaabbbbabab
a?aba?abba 【输出样例】
Problem StatementThere is a string s consisting of a and b. Snuke can perform the following two kinds of operation any number of times in any order: Choose an occurrence of aa as a substring, and replace it with b.Choose an occurrence of bb as a subs
You are given a tube which is reflective inside represented as two non-coinciding, but parallel to Ox" data-mce-tabindex="0">OxOx lines. Each line has some special integer points — positions of sensors on sides of the tube. You are going to emit a laser ray in the tube. To do so, y
Monocarp has drawn a tree (an undirected connected acyclic graph) and then has given each vertex an index. All indices are distinct numbers from 1" data-mce-tabindex="0">11 to n" data-mce-tabindex="0">nn. For every edge e" data-mce-tabindex="0">ee of this tree, Mono
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