Algorithms
Two Sum
EasyFind two indices in an array such that their values add up to a specific target.
Brute Force Password Cracking
IntermediateA simple brute force algorithm that attempts to crack a password using personal information and common variations.
Binary Search
EasyAn efficient algorithm for searching a sorted array by repeatedly dividing the search interval in half.
Add Two Numbers
MediumAdd two numbers represented by linked lists. Each node contains a single digit, and the digits are stored in reverse order.
Reverse Integer
IntermediateAn algorithm to reverse the digits of an integer, handling overflow cases.
Median of Two Sorted Arrays
HardFinding the median of two sorted arrays.
Reverse Integer
IntermediateAn algorithm to reverse the digits of an integer, handling overflow cases.
Longest Substring Without Repeating Characters
MediumGiven a string, find the length of the longest substring without repeating characters.
Interger to Roman
IntermediateConvert integer to roman numeral.
Quicksort
IntermediateA highly efficient sorting algorithm that uses a divide-and-conquer strategy to sort elements quickly.