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Problem B. Boring Non-Palindrome
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2
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256
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2019BJTU_NationalDay_Traning5
A - Amazon
B - Boring Non-Palindrome
C - Common Subsequence
D - Do Not Try This Problem
E - Extreme Image
F - Fraction Formula
G - Graduation
H - Hardest Challenge
I - Integer Prefix
J - Jail Destruction
K - Kernel Of Love
L - Liquid X
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