String

6 problems(s) found.

Counting Words With a Given Prefix

January 9, 2025 Easy

Tags: array string string-matching

Companies: amazon

Unique Substrings With Equal Digit Frequency

January 5, 2025 Medium

Premium

Tags: counting hash-function hash-table rolling-hash string

Unique Length-3 Palindromic Subsequences

January 4, 2025 Medium

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

Count Vowel Strings in Ranges

January 2, 2025 Medium

Tags: array prefix-sum string

Perform String Shifts

January 1, 2025 Easy

Premium

Tags: array math simulation string

Maximum Score After Splitting a String

January 1, 2024 Easy

Tags: prefix-sum string