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Hack!
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Day 1
Day 2
Time Limit: 5 s
Memory Limit: 1536 MB
Total points: 100
#122. Security Gate
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日本語
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Editorial
The problem was used in the following contests:
The 17th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2017/2018) Day 3
IOI 2024 中国国家队集训@杭州 Day 4
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