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485. ArraysTime limit per test: 1.75 second(s)Memory limit: 262144 kilobytesinput: standardoutput: standardYou are given a sequence of 3·Nintegers (X1... 阅读全文
摘要:
Given a prime p (p<108),you are to find min{x2+y2},where x and y belongs to positive integer, so that x2+y2=0 (mod p).打表可以看出结论: x=4k+3则没有平方和会等于P 阅读全文
摘要:
Graphic SequenceA graphic sequence is a sequence of numbers which can be thedegree sequenceof somegraph. A sequence can be checked to determine if it ... 阅读全文