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Hack!
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PKU v. THU (Preliminary Round 2)
Time Limit: 3.0 s
Memory Limit: 512 MB
Hackable ✓
# 7512. Almost Prefix Concatenation
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自定义测试
The problem was used in the following contest:
The 2nd Universal Cup. Stage 3: Binjiang
2023 年 CCPC 网络预选赛
This problem is prepared by
tangjz
.
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