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题目编号
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2887
Trainsorting
University
of
Waterloo
Local
Contest
2008.6.15
6
32
2888
Classified
University
of
Waterloo
Local
Contest
2008.6.15
2
5
2889
Hot Spot
University
of
Waterloo
Local
Contest
2008.6.15
2
7
2890
Snakes and Ladders
University
of
Waterloo
Local
Contest
2008.6.15
17
40
2891
Balance
University
of
Waterloo
Local
Contest
2008.6.15
2
4