template int binary_search(T a[], int low, int high, JudgeFuncType judge){ int ans = -1, mid; while (low <= high) { mid = (low >> 1) + (high >> 1); if (judge(mid)) // suc

ProblemSix years ago, a robot, Bob, with infant's intelligence has been invented by an evil scientist, Alice.Now the robot is six years old and studies in primary school. Addition is the first o

ProblemEnzo is doing renovation for his new house. The most difficult part is to buy exactly the right number of tiles. He wants N tiles of different sizes. Of course they have to be cut from th

The Cow LexiconTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 8111 Accepted: 3810DescriptionFew know that the cows have their own dictionary with W (

BalanceTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 10596 Accepted: 6576DescriptionGigel has a strange "balance" and he wants to poise it. Actually

面试中一个频率极高的问题就是ya

ProblemTom is a boy whose dream is to become a scientist, he invented a lot in his spare time. He came up with a great idea several days ago: to make a stopwatch by himself! So he bought a seven-s

BackgroundMany problems in Computer Science involve maximizing some measure according to constraints.Consider a history exam in which students are asked to put several historical events into chr