LeetCode題解 - 3. Longest Substring Without Repeating Characters [Medium]

Given a string, find the length of the longest substring without repeating characters.

LeetCode題解 - 2. Add Two Numbers [Medium]

You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.

You may assume the two numbers do not contain any leading zero, except the number 0 itself.

LeetCode題解 - 1. Two Sum [Easy]

1. Two Sum

Given an array of integers, return indices of the two numbers such that they add up to a specific target.
You may assume that each input would have exactly one solution, and you may not use the same element twice.

LeetCode題解 - 前言

昨天半夜睡不著覺，主要是前天co-work後的心情很差
算一算，從年初到現在，竟然都是寫文件
大半年沒寫到code了…