How to Solve 132 Pattern Problem
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132 Pattern
Given an array of n integers nums, a 132 pattern is a subsequence of three integers nums[i], nums[j] and nums[k] such that i < j < k and nums[i] < nums[k] < nums[j]. Return true if there is a 132 patt...
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Understanding the 132 Pattern Problem
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Problem Statement
Given an array of n integers nums, a 132 pattern is a subsequence of three integers nums[i], nums[j] and nums[k] such that i < j < k and nums[i] < nums[k] < nums[j]. Return true if there is a 132 pattern in nums, otherwise, return false.
132 Pattern
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Examples
nums = [1,2,3,4]falseThere is no 132 pattern in the sequence.
nums = [3,1,4,2]trueThere is a 132 pattern in the sequence: [1, 4, 2].
nums = [-1,3,2,0]trueThere are three 132 patterns in the sequence: [-1, 3, 2], [-1, 3, 0] and [-1, 2, 0].
Constraints
n == nums.length1 <= n <= 2 * 105109 <= nums[i] <= 109How Interview Coder Helps with Leetcode Problems
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Common questions about solving 132 Pattern and using Interview Coder during coding interviews.
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