LeetCode：遞增的三元子序列【334】
LeetCode：遞增的三元子序列【334】 題目描述 給定一個未排序的數組，判斷這個數組中是否存在長度為 3 的遞增子序列。 數學表達式如下: 如果存在這樣的 i, j, k, 且滿足 0 ≤ i < j < k ≤ n-1， 使得 arr[i ...
原文：[LeetCode] Increasing Triplet Subsequence 遞增的三元子序列
Given an unsorted array return whether an increasing subsequence of length exists or not in the array. Formally the function should: Return true if there exists i, j, k such that arr i lt arr j lt ar ...
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