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2↑↑n
2 secs
1024 MB
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Problem
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Test cases
Editorial
テストケース名
1.txt
1e4.txt
1e6.txt
1e8.txt
1e10.txt
1e12.txt
1e14.txt
1e16.txt
1e18.txt
2.txt
3.txt
4.txt
5.txt
6.txt
7.txt
8.txt
9.txt
10.txt
100.txt
1000.txt
