String on Hitesh Patelhttps://hiteshbuilds.com/tags/string/Recent content in String on Hitesh PatelHugo -- 0.155.3en-usTue, 17 Mar 2026 00:00:00 +0530How to check if a string is a Valid Palindrome: O(n) two pointer solution explainedhttps://hiteshbuilds.com/blind-75/valid-palindrome/Tue, 17 Mar 2026 00:00:00 +0530https://hiteshbuilds.com/blind-75/valid-palindrome/Explanation with intuitions of how to check if a string is a palindrome by ignoring non-alphanumeric characters with two-pointer approach.How to check Valid Parentheses: O(n) Stack solution explainedhttps://hiteshbuilds.com/blind-75/valid-parentheses/Mon, 16 Mar 2026 00:00:00 +0530https://hiteshbuilds.com/blind-75/valid-parentheses/Step by step explanation of how to validate bracket sequences using a stack, with dry run and C++ codeHow to Group Anagrams: O(n ยท m log m) Solution Explainedhttps://hiteshbuilds.com/blind-75/group-anagrams/Fri, 13 Mar 2026 00:00:00 +0530https://hiteshbuilds.com/blind-75/group-anagrams/Step by step explanation of how to group anagrams together using sorting and hashmaps, with brute force and optimized solutionsHow to find if string is Valid Anagram: O(n) solution explainedhttps://hiteshbuilds.com/blind-75/valid-anagram/Thu, 12 Mar 2026 00:00:00 +0530https://hiteshbuilds.com/blind-75/valid-anagram/Step by step explanation with how we found two string are anagrams or not with optimizationMinimum Window Substring: Sliding Window Explainedhttps://hiteshbuilds.com/blind-75/minimum-window-substring/Wed, 11 Mar 2026 00:00:00 +0530https://hiteshbuilds.com/blind-75/minimum-window-substring/Step by step explanation with how we reach the solution of how to find the minimum window substring using Brute Force and Sliding WindowLongest Repeating Character Replacement: Sliding Window Explainedhttps://hiteshbuilds.com/blind-75/longest-repeating-character-replacement/Tue, 10 Mar 2026 12:12:00 +0530https://hiteshbuilds.com/blind-75/longest-repeating-character-replacement/Step by step explanation of how to find the longest repeating character replacement using Brute Force and Sliding Window using hashtableLongest Substring Without Repeating Characters: Sliding Window Explainedhttps://hiteshbuilds.com/blind-75/longest-substring-without-repeating-characters/Mon, 09 Mar 2026 00:00:00 +0530https://hiteshbuilds.com/blind-75/longest-substring-without-repeating-characters/Step by step explanation of how to find the longest substring without repeating characters using Brute Force and Sliding Window, including optimization techniques.