2013年8月20日

HDU 4691 Front compression （2013多校9 1006题 后缀数组）

摘要： Front compressionTime Limit: 5000/5000 MS (Java/Others)Memory Limit: 102400/102400 K (Java/Others)Total Submission(s): 158Accepted Submission(s): 63Problem DescriptionFront compression is a type of delta encoding compression algorithm whereby common prefixes and their lengths are recorded so that th 阅读全文

posted @ 2013-08-20 19:32 kuangbin 阅读(1780) 评论(0) 推荐(0) 编辑

HDU 4690 EBCDIC （2013多校 1005题 胡搞题）

摘要： EBCDICTime Limit: 2000/2000 MS (Java/Others)Memory Limit: 102400/102400 K (Java/Others)Total Submission(s): 160Accepted Submission(s): 81Problem DescriptionA mad scientist found an ancient message from an obsolete IBN System/360 mainframe. He believes that this message contains some very important s 阅读全文

posted @ 2013-08-20 19:31 kuangbin 阅读(938) 评论(0) 推荐(0) 编辑

HDU 4686 Arc of Dream （2013多校9 1001 题，矩阵）

摘要： Arc of DreamTime Limit: 2000/2000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 0Accepted Submission(s): 0Problem DescriptionAn Arc of Dream is a curve defined by following function:wherea0 = A0ai = ai-1*AX+AYb0 = B0bi = bi-1*BX+BYWhat is the value of AoD(N) modulo 1, 阅读全文

posted @ 2013-08-20 19:28 kuangbin 阅读(1434) 评论(1) 推荐(1) 编辑

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