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String Medium Problems

1. Longest Palindromic Substring​

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2. Reverse Words in a String​

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3. String to Integer (atoi)​

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4. Repeated String Match​

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5. Count and Say​

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6. Compare Version Numbers​

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7. Letter Combinations of a Phone Number​

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8. Longest Substring Without Repeating Characters​

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9. Longest Repeating Character Replacement​

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10. Group Anagrams​

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11. Longest Palindromic Substring​

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12. Palindromic Substrings​

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13. Next Permutation​

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14. Count Palindromic Subsequences​

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15. Smallest window in a string containing all the characters of another string​

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16. Wildcard string matching​

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17. Longest Prefix Suffix​

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18. Rabin-Karp Algorithm for Pattern Searching​

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19. Transform One String to Another using Minimum Number of Given Operation​

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