Kth Smallest

Introduction

Finding the Kth smallest element in an array is a common problem in data structures. It is useful in many real-world applications like ranking and statistics.

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Problem Statement

Given an array of integers and a number k, find the Kth smallest element in the array.

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Approach 1: Sorting

1. Sort the array in ascending order
2. Return the element at index k-1

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Python Code (Sorting)

python
def kth_smallest(arr, k):
    arr.sort()
    return arr[k - 1]

# Example
arr = [7, 10, 4, 3, 20, 15]
k = 3
print("Kth Smallest:", kth_smallest(arr, k))


## Input
arr = [7, 10, 4, 3, 20, 15]
k = 3

## output
   7