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DD的USACO征程

USACO未灭，何以家为？

Canada Tour

Wednesday, 4. April 2007, 05:37:04

tour.cpp
（我承认，今天中午的状态太差，心很不静。改了好多遍这题才对。不过为什么心不静……不说也罢。）

TelecowmunicationCharacter Recognition

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