Problem Description * Seller: That will be fourteen dollars. * Buyer: Here's a twenty. * Seller:

Problem Description A city is made up exclusively of one-way steets.each street in the city has a c

Problem Description What do you do if you need to copy a 560x400mm image onto a standard sheet of U

Problem Description In this problem, you are given a sequence S1, S2, ..., Sn of squares of differe

Problem Description 渴望占有愈多而愈脆弱。 —— 安妮宝贝 古有Bill gates辍学创业，今有Wiskey创作卖书。但是如今网络写手太多，

Problem Description The parking lot in the center of the capital has N parking spaces. You are aske

Problem Description Long long ago, N gamblers (numbered from 1 to N) got together to gamble. At tha

Problem Description “Lemme tell ya, these ain’t no ordinary finches we’re talkin’ about. These here

Problem Description Summer holiday was coming! Xiaomao went back to his hometown where he yearn day

Problem Description Arcueid likes nya number very much. A nya number is the number which has exact

Problem Description We have a stick with infinite length. Now we want to cut 3 sub-sticks with leng

Problem Description ZLGG found a magic theory that the bigger banana the bigger banana peel .This i

Problem Description 沃尔玛公司由美国零售业的传奇人物山姆•沃尔顿先生于1962年在阿肯色州成立。经过四十多年的发展，沃尔玛公司已经成为美国最大的私人雇主和世界上最大 的连锁最大零

Problem Description We all know the definition of Fibonacci series: fib[i]=fib[i-1]+fib[i-2],fib[1]

Problem Description One day Harry Potter came to a magic room, in which there are some shadow monst

Problem Description Groundhogs are good at digging holes, their home is a hole, usually a group of

Problem Description One day Harry Potter came to a magic room, in which there are some shadow monst

Problem Description Summer holiday was coming! Xiaomao went back to his hometown where he yearn day

Problem Description F(x) is a polynomial in x with integer coefficients, here F(x) = (1+x)^a1 + (1+

Problem Description Groundhogs are good at digging holes, their home is a hole, usually a group of

Problem Description Give you two number a, b. Output the smallest number that can be added to a to

Problem Description A thief stole a big diamond in a party. The diamond was in the door of the hous

Problem Description There are a bunch of stones on the beach; Stone color is white or black. Little

roblem Description This time Vance controls a hero, enchantress and let's just called her Aiushtha.

Problem Description In order to get rid of Conan, Kaitou KID disguises himself as a teacher in the

Problem Description There are many questions about the tree, most of them are Binary tree. But now,

Problem Description Mr.Frost is a child who is too simple, sometimes naive, always plays some sim

Problem Description As we all know, sheep are very lazy, they don’t like move and just want to en

Problem Description Topsky wants to build a content delivery network. It contains an origin server

Problem Description AmazingCaddy likes Sudoku very much. One day, he got some Sudoku problems and h