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Universal Cup Judging System
Universal Cup
Universal Cup
比賽
Time Limit: 1 s
Memory Limit: 1024 MB
Hackable ✓
The 1st Universal Cup. Stage 18: Shenzhen
H. Swapping Operation
统计
描述
(简体中文)
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自定义测试
返回比賽
This problem is prepared by
zimpha
.
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