•PRACTICE

DSA Question Tracker & Breakdowns

9 problems from Visa tagged String with full breakdowns.

433problems
32companies
39topics
3languages each
3.Longest Substring Without Repeating Characters
Hash TableStringSliding Window
Medium+13▶ Mock
5.Longest Palindromic Substring
StringDynamic Programming
Medium+8▶ Mock
49.Group Anagrams
Hash TableStringSorting
Medium+9▶ Mock
1143.Longest Common Subsequence
StringDynamic Programming
Medium▶ Mock
32.Longest Valid Parentheses
StringDynamic ProgrammingStack
131.Palindrome Partitioning
StringDynamic ProgrammingBacktracking
Medium▶ Mock

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