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Function Time Limit: 7000/3500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description The shorter, the simpler. With this pr 阅读全文
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Sparse Graph Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description In graph theory, the complement of 阅读全文
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Weak Pair Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description You are given a rooted tree of N node 阅读全文
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Minibus Time limit: 1.0 secondMemory limit: 64 MB Background Minibus driver Sergey A. Greedson has become totally famous for his phenomenal greediness 阅读全文