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Leetcode - Rearrange Spaces Between Words

Coding Interview

Leetcode - Rearrange Spaces Between Words

Problem Statement You are given a string text of…

Leetcode - Maximum Non Negative Product in a Matrix

Coding Interview

Leetcode - Maximum Non Negative Product in a Matrix

Problem Statement You are given a rows x cols…

Leetcode - Split a String Into the Max Number of Unique Substrings

Coding Interview

Leetcode - Split a String Into the Max Number of Unique Substrings

Problem Statement Given a string s, return the…

Crawler Log Folder - minimum number of operations needed to go back to the main folder after the change folder operations.

Coding Interview

Crawler Log Folder - minimum number of operations needed to go back to the main folder after the change folder operations.

Problem The Leetcode file system keeps a log each…

Replace all spaces in a string with %20

Coding Interview

Replace all spaces in a string with %20

Problem Statement Replace all spaces in a string…

Determine if a string has all unique characters

Coding Interview

Determine if a string has all unique characters

Problem Implement an algorithm to determine if a…

Valid Palindrome - Leet Code Solution

Coding Interview

Valid Palindrome - Leet Code Solution

Problem Statement Given a string, determine if it…

Valid Anagrams - Leet Code Solution

Coding Interview

Valid Anagrams - Leet Code Solution

Problem Statement Given two strings s and t…

First Unique Character in a String - Leet Code Solution

Coding Interview

First Unique Character in a String - Leet Code Solution

Problem Statement Given a string, find the first…

Reverse String - Leet Code Solution

Coding Interview

Reverse String - Leet Code Solution

Problem Statement Write a function that reverses a…

Rotate Image - Leet Code Solution

Coding Interview

Rotate Image - Leet Code Solution

Problem Statement You are given an n x n 2D matrix…

Validate Sudoku - Leet Code Solution

Coding Interview

Validate Sudoku - Leet Code Solution

Problem Statement Determine if a 9x9 Sudoku board…