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Day 2
Time Limit: 3 s
Memory Limit: 256 MB
Total points: 100
#371. Dragon 2
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The problem was used in the following contests:
The 16th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2016/2017) Day 4
IOI 2021 中国国家队集训@宁波 Day 4
IOI 2024 中国国家队集训@上海 Day 1
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