leetcode-472 - Concatenated Words

動機 與140很像 ...

July 28, 2021 · 1 min · zhengcf

leetcode-733 - Flood Fill

動機 複習dfs ...

July 27, 2021 · 2 min · zhengcf

leetcode-110 - Balanced Binary Tree

動機 多回傳值的dfs ...

July 27, 2021 · 1 min · zhengcf

leetcode-341 - Flatten Nested List Iterator

動機 讓每個遞迴只負責一個工作 ...

July 25, 2021 · 2 min · zhengcf

leetcode-329 - Longest Increasing Path in a Matrix

動機 因為題目特性,不用考慮重複走的問題 ...

July 25, 2021 · 1 min · zhengcf

leetcode-210 - Course Schedule II

動機 沒辦法用cache_computing偷懶了 ...

July 25, 2021 · 2 min · zhengcf

leetcode-116 - Populating Next Right Pointers in Each Node

動機 畫裡面那一個橢圓,很有趣 ...

July 25, 2021 · 1 min · zhengcf

leetcode-130 - Surrounded Regions

動機 複習dfs ...

July 24, 2021 · 2 min · zhengcf

leetcode-114 - Flatten Binary Tree to Linked List

動機 preorder的tree threading ...

July 24, 2021 · 1 min · zhengcf

leetcode-199 - Binary Tree Right Side View

動機 複習bfs ...

July 24, 2021 · 1 min · zhengcf