acvay

摘要： Super Jumping! Jumping! Jumping!Problem DescriptionNowadays, a kind of chess game called “Super Jumping! Jumping! Jumping!” is very popular in HDU. Ma... 阅读全文

摘要： Bone CollectorProblem DescriptionMany years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies... 阅读全文

摘要： Blue JeansDescriptionThe Genographic Project is a research partnership between IBM and The National Geographic Society that is analyzing DNA from hund... 阅读全文

摘要： Not So Flat After AllDescriptionAny positive integer v can be written as p1a1*p2a2*...*pnanwhere piis a prime number and ai ≥ 0. For example: 24 = 23*... 阅读全文

摘要： QueueDescriptionLinda is a teacher in ACM kindergarten. She is in charge of n kids. Because the dinning hall is a little bit far away from the classro... 阅读全文

摘要： AGTCDescriptionLetxandybe two strings over some finite alphabetA. We would like to transformxintoyallowing only operations given below:Deletion:a lett... 阅读全文

摘要： Semi-prime H-numbersDescriptionThis problem is based on an exercise of David Hilbert, who pedagogically suggested that one study the theory of4n+1numb... 阅读全文

摘要： Max SumProblem DescriptionGiven a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,... 阅读全文

摘要： Boxes in a LineYou have n boxes in a line on the table numbered 1 . . . n from left to right. Your task is to simulate 4kinds of commands:• 1 X Y : mo... 阅读全文

摘要： Dropping BallsA number ofKballs are dropped one by one from the root of a fully binary tree structure FBT. Each time the ball being dropped first visi... 阅读全文