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Description You've possibly heard about 'The Endless River'. However, if not, we are introducing it to you. The Endless River is a river in Cambridge 阅读全文
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Description The forces of evil are about to disappear since our hero is now on top on the tower of evil, and all what is left is the most evil, most d 阅读全文
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Description Zaid has two words, a of length between 4 and 1000 and b of length 4 exactly. The word a is 'good' if it has a substring which is equal to 阅读全文
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Description ACM-SCPC-2017 is approaching every university is trying to do its best in order to be the Champion, there are n universities, the ith of t 阅读全文
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Description X is well known artist, no one knows the secrete behind the beautiful paintings of X except his friend Y, well the reason that Y knows X's 阅读全文