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PKU v. THU (Preliminary Round 2)
Time Limit: 2 s
Memory Limit: 256 MB
Total points: 100
# 504. Chessboard
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(Русский)
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The problem was used in the following contest:
XIV International Zhautykov Olympiad on Informatics Day 1 (IZhO 2018 Day 1)
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