Leet Code Solutions - 003 - Longest Substring Without Repeating Characters Solution "Longest Substring Without Repeating Characters" on Leet Code class Solution {public: int lengthOfLongestSubstring(string s) { string candidate_str = ""; strin…

Leed Code Solutions - 002 - Add Two Numbers Solution "Add Two Numbers" on Leet Code /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode() : val(0), next(nullptr) {} *…

Leet Code Solutions - 001 - Two Sum Two Sum solution on Leet Code The simple solution class Solution {public: vector<int> twoSum(vector<int>& nums, int target) { for (int i = 0; i <…