Prefix-Sum

6 problems(s) found.

Indexes of Subarray Sum

January 9, 2025 Medium

Tags: algorithms arrays data-structures prefix-sum searching sliding-window Categories: java

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Unique Length-3 Palindromic Subsequences

January 4, 2025 Medium

Tags: bit-manipulation hash-table prefix-sum string

Number of Ways to Split Array

January 3, 2025 Medium

Tags: array prefix-sum

Count Vowel Strings in Ranges

January 2, 2025 Medium

Tags: array prefix-sum string

Meeting Rooms II

December 13, 2024 Medium

Premium

Tags: array greedy heap heap-priority-queue prefix-sum sort sorting sweep-line two-pointers

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Maximum Score After Splitting a String

January 1, 2024 Easy

Tags: prefix-sum string