1Find Median from Data StreamHardTwo PointersDesignSorting
Solve → 2Palindromic SubstringsMediumTwo PointersStringDynamic Programming
Solve → 3Minimum Number of Swaps to Make the String BalancedMediumTwo PointersStringStack
Solve → 4Lexicographically Smallest PalindromeEasyTwo PointersStringGreedy
Solve → 5Longest Palindromic SubstringMediumTwo PointersStringDynamic Programming
Solve → 6Find Median from Data StreamHardTwo PointersDesignSorting
Solve → 7Palindromic SubstringsMediumTwo PointersStringDynamic Programming
Solve → 8Minimum Number of Swaps to Make the String BalancedMediumTwo PointersStringStack
Solve → 9Lexicographically Smallest PalindromeEasyTwo PointersStringGreedy
Solve → 10Longest Palindromic SubstringMediumTwo PointersStringDynamic Programming
Solve → 11Find the Index of the First Occurrence in a StringEasyTwo PointersStringString Matching
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