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1.题目描述：You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dictionary to help you understand them.

1.题目描述：GTY's gay friendsTime Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1687    Accepted Submission(s): 429Problem Description

1.题目描述：Consider equations having the following form: a1x1 3+ a2x2 3+ a3x3 3+ a4x4 3+ a5x5 3=0 The coefficients are given integers from the interval [-50,50]. It is consider a solution a sy

1.题目描述：题目描述PDF2.题意概述：给你一个字符串，让你在结尾添加最少的字符使其成为回文字符串。3.解题思路：当时没学kmp，学长开的是哈希专题，考虑hash：先按倒序求出各子串的哈希值，然后再正着算子串的哈希值，直到找到哈希值相同的，找到最长的回文串。。。例如abcdc，先依次求出c,cdc,cdcb,cdcba的哈希值。。然后求abcdc的哈希值。。再去掉

1.题目描述：B. Sereja and Suffixestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputSereja has an array a, c

1.题目描述：Snowflake Snow SnowflakesTime Limit: 4000MS Memory Limit: 65536KTotal Submissions: 41351 Accepted: 10897DescriptionYou may have heard that no two s