摘要：
C. A Twisty Movement time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A dragon symbolizes 阅读全文
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B. A Prosperous Lot time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. A Prosperous Lot t 阅读全文
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http://codeforces.com/contest/934 A. A Compatible Pair time limit per test 1 second memory limit per test 256 megabytes input standard input output st 阅读全文