leetcode-1631 - Path With Minimum Effort
動機 最小路徑? no,no 最短路徑!!! ...
Heap (Priority Queue)
leetcode-659 - Split Array into Consecutive Subsequences
動機 跟patch array一樣很有魔法的題目 ...
leetcode-1438 - Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
動機 sliding window但是用heap去找window的最大最小 ...
leetcode-862 - Shortest Subarray with Sum at Least K
動機 What makes this problem hard is that we have negative values. sliding window + monotone stack = monotone queue prefix sum in fly + hash ...
leetcode-355 - Design Twitter
動機 原本以為很複雜，結果異常的簡單 ...
leetcode-632 - Smallest Range Covering Elements from K Lists
動機 就heap ...
leetcode-480 - Sliding Window Median
動機 對的資料結構帶你上天堂 ...
leetcode-630 - Course Schedule III
動機 巧妙地讓heap描述當前總和的組成 ...
leetcode-767 - Reorganize String
動機 先看621 ...
leetcode-973 - K Closest Points to Origin
動機 sort與heap差在一個能插入，另一個不能 ...