Solve Problems
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Special palindromes
ATTEMPTED BY: 362 SUCCESS RATE: 51% LEVEL: Medium
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Make the strings equal
ATTEMPTED BY: 925 SUCCESS RATE: 57% LEVEL: Hard
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Replace the strings
ATTEMPTED BY: 2169 SUCCESS RATE: 92% LEVEL: Medium
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Number of rotations
ATTEMPTED BY: 113 SUCCESS RATE: 66% LEVEL: Hard
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Letter most
ATTEMPTED BY: 4128 SUCCESS RATE: 94% LEVEL: Easy
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A strongest string
ATTEMPTED BY: 663 SUCCESS RATE: 88% LEVEL: Easy
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The maximum substring
ATTEMPTED BY: 786 SUCCESS RATE: 90% LEVEL: Medium
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Rectangle matrices
ATTEMPTED BY: 546 SUCCESS RATE: 60% LEVEL: Easy
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Prefix and substring queries
ATTEMPTED BY: 135 SUCCESS RATE: 39% LEVEL: Hard
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Palindrome queries
ATTEMPTED BY: 850 SUCCESS RATE: 80% LEVEL: Medium
