Sorting & Searching

Master binary search variations, sorting algorithms, and divide-and-conquer strategies that form the foundation of efficient problem solving.

10 exercises

mediumTypeScript

Product API with Pagination, Filtering, and Sorting

Build a RESTful API handler for a GET /products endpoint that supports advanced query features. ## Requirements Implem...

apipaginationfiltering+5

mediumPython

Merge Overlapping Intervals

Write a function that merges overlapping intervals and returns the result sorted by start time. ## Requirements Implem...

intervals

mediumPython

Meeting Room Scheduler

# Meeting Room Scheduler Write a function `min_meeting_rooms(intervals)` that determines the minimum number of meeting...

algorithms

hardPython

Median of Two Sorted Arrays

Find the median of two sorted arrays in O(log(m+n)) time complexity. Implement a function that takes two sorted arrays...

binary-search

mediumPython

Binary Search for First and Last Position

# Find First and Last Position in Sorted Array Implement a function that finds the first and last position of a target...

binary-search

mediumPython

Find Kth Largest Element

Implement a function that finds the kth largest element in an unsorted array without sorting the entire array. Your fun...

algorithms

easyPython

Search in Rotated Sorted Array

Implement a function that searches for a target value in a rotated sorted array in O(log n) time complexity. A rotated...

binary-search

easyPython

Merge Sorted Arrays In-Place

Write a function `merge_sorted_arrays(arr1, arr2)` that merges two sorted arrays into one sorted array. **Examples:** `...

arrays

easyPython

Binary Search Implementation

Implement a binary search function that finds the index of a target value in a sorted array. **Function signature:** `b...

algorithms

mediumPython

Merge Two Sorted Linked Lists

Write a function that merges two sorted linked lists into one sorted linked list. The function should take two linked l...

linked-lists