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Hack!
Universal Cup
Time Limit: 1 s
Memory Limit: 256 MB
# 3227. Substring Pairs
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Statement
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Custom Test
The problem was used in the following contest:
Petrozavodsk Winter 2015. Day 2. Makoto Soejima Contest 1
Japan Alumni Group Summer Camp 2014 Day 2
XV Open Cup named after E.V. Pankratiev, Grand Prix of Japan
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Universal Cup