Code for this problem is available at https://github.com/scprogramming/LeetcodeExplained/tree/master/Problem%208%20-%20String%20to%20Integer%20Atoi%20(Medium) Problem: Implement the atoi function, which converts a string into an integer Problems involving reimplementing system and…

# Category: Leetcode Medium

Code for this problem can be found at: https://github.com/scprogramming/LeetcodeExplained/tree/master/Problem%206%20-%20ZigZag%20Conversion%20(Medium) Problem: Given a string of text, write the text in a zig zag pattern, with the…

Code for this problem can be found at https://github.com/scprogramming/LeetcodeExplained/tree/master/Problem%20Five%20-%20Longest%20Palindrome%20Substring%20(Medium) Problem: Given a string s, find the longest palindrome that is a substring of s. Your…

The code for this problem can be found at https://github.com/scprogramming/LeetcodeExplained/tree/master/Problem%20Three%20-%20Longest%20Substring%20without%20Repeating%20Characters%20(Medium) Problem: Given a string of characters, find the longest substring that has no repeating characters.…

Code for this problem can be found at: https://github.com/scprogramming/LeetcodeExplained/tree/master/Problem%20Two%20-%20Add%20Two%20Numbers%20(Medium) Problem: Suppose you are given two non-empty linked lists representing two non-negative integers. The numbers are…