Leetcode Patterns & Solutions

1D Dynamic Programming

Java solutions with explanations, time and space complexity for 1D Dynamic Programming problems.

Java solutions with explanations, time and space complexity for 2D Dynamic Programming problems.

Java solutions with explanations, time and space complexity for Advanced Graph problems.

Java solutions with explanations, time and space complexity for Arrays & Hashing problems.

Java solutions with explanations, time and space complexity for Backtracking problems.

Java solutions with explanations, time and space complexity for Binary Search problems.

Java solutions with explanations, time and space complexity for Bit Manipulation problems.

Java solutions with explanations, time and space complexity for Graph problems.

Java solutions with explanations, time and space complexity for Greedy problems.

Java solutions with explanations, time and space complexity for Heap / PriorityQueue problems.

Java solutions with explanations, time and space complexity for Intervals problems.

Java solutions with explanations, time and space complexity for Linked List problems.

Java solutions with explanations, time and space complexity for Math & Geometry problems.

Java solutions with explanations, time and space complexity for Miscellaneous Data Structures & Algorithms problems.

Java solutions with explanations, time and space complexity for Sliding Window problems.

Java solutions with explanations, time and space complexity for Stack problems.

Java solutions with explanations, time and space complexity for Trees problems.

Java solutions with explanations, time and space complexity for Tries problems.

Java solutions with explanations, time and space complexity for Two Pointers problems.