1915 Number of Wonderful Substrings Python O(n) O(1) Medium bit mask, bit, prefix sum, dp, amazon AGAIN*** (2) (not start) String #TitleSolutionTimeSpaceDifficultyStatus, NoteStatus 005 Longest Palindromic Substring Python, Java O(n) O(n) Medium Curated Top 75, LC 647, good trick,...
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The study focused on selecting engaging assignments from the educational website hackerrank.com. The goal was to identify the key features of different online platforms suitable for teaching programming to aspiring computer scientists and programmers through distance learning. The researchers examined user ...