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D. Zumatime limit per test:2 secondsmemory limit per test:512 megabytesinput:standard inputoutput:standard outputGenos recently installed the game Zum... 阅读全文
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E. Alphabet Permutationstime limit per test:1 secondmemory limit per test:512 megabytesinput:standard inputoutput:standard outputYou are given a strin... 阅读全文
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D. Vika and Segmentstime limit per test:2 secondsmemory limit per test:256 megabytesinput: standard inputoutput:standard outputVika has an infinite sh... 阅读全文
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Problem 1: Given an array of real number with length (n2+ 1) A:a1, a2, ... , an2+1.Prove that there is either an increasing or a decreasing subarray o... 阅读全文