摘要:
You are given a non-negative integern, its decimal representation consists of at most100digits and doesn't contain leading zeroes.Your task is to dete... 阅读全文
摘要:
2^x mod n = 1Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 13749Accepted Submission(s): 4239Prob... 阅读全文
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Problem Description=== Op tech briefing, 2002/11/02 06:42 CST ==="The item is locked in a Klein safe behind a painting in the second-floor library. Kl... 阅读全文
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Problem DescriptionThese are N cities in Spring country. Between each pair of cities there may be one transportation track or none. Now there is some ... 阅读全文
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Problem DescriptionRPG girls今天和大家一起去游乐场玩,终于可以坐上梦寐以求的过山车了。可是,过山车的每一排只有两个座位,而且还有条不成文的规矩,就是每个女生必须找个个男生做partner和她同坐。但是,每个女孩都有各自的想法,举个例子把,Rabbit只愿意和XHD或PQK... 阅读全文