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Problem: Find the Kth Largest Integer in the Array

med
30 min
Explore how to identify and return the kth largest integer in an array of string-represented numbers. This lesson helps you understand the top k elements coding pattern, apply heap-based selection methods, and treat duplicate integers as distinct entities. Gain practical skills to solve similar problems efficiently in coding interviews.

Statement

Given an array of strings, nums, where each string represents an integer without leading zeros, and an integer k, your task is to find and return the string representing the kth^{th} largest integer in the array.

Note: Treat duplicate integers as distinct entities. For instance, if nums =[“2”, “3”, “3”]= [\text{\lq\lq2\rq\rq, \lq\lq3\rq\rq, \lq\lq3\rq\rq]}, the first largest integer is “3”\text{\lq\lq3\rq\rq}, the second largest is also “3”\text{\lq\lq3\rq\rq}, and the third largest is “2”\text{\lq\lq2\rq\rq}.

Constraints:

  • 1<=1 <= k <=<= nums.length <=103<= 10^3

  • 1<=1 <= nums[i].length <=100<= 100

  • nums[i] consists of only digits.

  • nums[i] will not have any leading zeros.

Tap here to switch tabs
Problem
Ask
Submissions

Problem: Find the Kth Largest Integer in the Array

med
30 min
Explore how to identify and return the kth largest integer in an array of string-represented numbers. This lesson helps you understand the top k elements coding pattern, apply heap-based selection methods, and treat duplicate integers as distinct entities. Gain practical skills to solve similar problems efficiently in coding interviews.

Statement

Given an array of strings, nums, where each string represents an integer without leading zeros, and an integer k, your task is to find and return the string representing the kth^{th} largest integer in the array.

Note: Treat duplicate integers as distinct entities. For instance, if nums =[“2”, “3”, “3”]= [\text{\lq\lq2\rq\rq, \lq\lq3\rq\rq, \lq\lq3\rq\rq]}, the first largest integer is “3”\text{\lq\lq3\rq\rq}, the second largest is also “3”\text{\lq\lq3\rq\rq}, and the third largest is “2”\text{\lq\lq2\rq\rq}.

Constraints:

  • 1<=1 <= k <=<= nums.length <=103<= 10^3

  • 1<=1 <= nums[i].length <=100<= 100

  • nums[i] consists of only digits.

  • nums[i] will not have any leading zeros.