Longest-Increasing-Subsequence
LeetCode 334: Increasing Triplet Subsequence
·1 分鐘
LeetCode
Medium
Array
Greedy
Longest-Increasing-Subsequence
LeetCode 334 解題筆記:維護目前最小的 first 和「前面有比它小的數」中最小的 second,遇到比 second 大的就找到了
LeetCode 944: Delete Columns to Make Sorted
·1 分鐘
LeetCode
Easy
Array
String
Longest-Increasing-Subsequence
LeetCode 944 解題筆記:用 zip(*strs) 取出每一欄,數有幾欄不是非遞減的