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1098 - A New Function PDF (English) Statistics ForumTime Limit: 3 second(s) Memory Limit: 32 MBWe all know that any integer number n is divisible by 1 阅读全文
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1072 - Calm Down PDF (English) Statistics ForumTime Limit: 2 second(s) Memory Limit: 32 MBGeorge B. wants to be more than just a good American. He wan 阅读全文
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1094 - Farthest Nodes in a Tree PDF (English) Statistics ForumTime Limit: 2 second(s) Memory Limit: 32 MBGiven a tree (a connected graph with no cycle 阅读全文
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1017 - Brush (III) PDF (English)StatisticsForum Time Limit: 2 second(s)Memory Limit: 32 MB Samir returned home from the contest and got angry after se 阅读全文