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PKU v. THU (Preliminary Round 2)
Time Limit: 6 s
Memory Limit: 256 MB
# 5567. Balanced Permutations
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Statement
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Custom Test
The problem was used in the following contest:
The 1st Universal Cup. Stage 5: Osijek
The 2nd Universal Cup. Stage Ω: Atlantis (
Prime
Contest)
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