leetcode-112 - Path Sum

動機 複習dfs ...

July 16, 2021 · 1 min · zhengcf

leetcode-104 - Maximum Depth of Binary Tree

動機 複習dfs ...

July 16, 2021 · 1 min · zhengcf

leetcode-3 - Longest Substring Without Repeating Characters

動機 複習sliding windows ...

July 16, 2021 · 1 min · zhengcf

leetcode-23 - Merge k Sorted Lists

動機 這題為什麼是hard? ...

July 16, 2021 · 1 min · zhengcf

leetcode-322 - Coin Change

動機 複習dp ...

July 16, 2021 · 2 min · zhengcf

leetcode-20 - Valid Parentheses

動機 複習stack ...

July 16, 2021 · 1 min · zhengcf

leetcode-62 - Unique Paths

動機 複習dp ...

July 16, 2021 · 1 min · zhengcf

leetcode-33 - Search in Rotated Sorted Array

動機 重新體驗binary search 這題可以與153一起看,會有新的理解 ...

July 16, 2021 · 2 min · zhengcf

leetcode-70 - Climbing Stairs

動機 複習基本DP ...

July 16, 2021 · 1 min · zhengcf

leetcode-15 - 3Sum

動機 複習3sum ...

July 16, 2021 · 1 min · zhengcf