The kth largest element in the [leetcode] array [215]

problem :  Given an array of integers nums And integer k, Please return the... In the array k The biggest element

Please note that , What you need to look for is the number after array sorting k The biggest element , Not the first. k A different element

Example 1

Input : [3,2,1,5,6,4] and k = 2

Output : 5

Example 2

Input : [3,2,3,1,2,4,5,5,6] and k = 4

Output : 4

python3 Problem solving

#  solution 1
def findKthLargest(nums, k):
    nums.sort(reverse=True)
    return nums[k-1]

findKthLargest([3,2,1,5,6,4],2) # 5
findKthLargest([3,2,3,1,2,4,5,5,6],4) # 4

Knowledge points involved :

[Python] sort() Method VS sorted() function https://blog.csdn.net/Hudas/article/details/122884550