Master Coding Patterns

Build muscle memory with targeted practice templates.
Recognize patterns. Solve any problem.

Supported Language

Python

Pattern Library

Master coding patterns with structured practice.

Python Examples

3 Templates
📄 Data Structures
📄 Input Parsing
📄 Linked List Usage

Sliding Window

1 Templates
📄 Sliding Window

Two Pointers

1 Templates
📄 Two Pointers

Fast and Slow Pointers

1 Templates
📄 Fast Slow Pointers

Merge Intervals

1 Templates
📄 Merge Intervals

Cyclic Sort

1 Templates
📄 Cyclic Sort

In-place Reversal of a Linked List

1 Templates
📄 Linked List Utils

Tree BFS

1 Templates
📄 Bfs

Tree DFS

1 Templates
📄 Dfs

Two Heaps

1 Templates
📄 Two Heaps

Subsets

1 Templates
📄 Subsets

Modified Binary Search

1 Templates
📄 Binary Search

Bitwise XOR

1 Templates
📄 Bitwise Xor

Top K Elements

1 Templates
📄 Quick Select

K-way Merge

1 Templates
📄 K Way Merge

Topological Sort

1 Templates
📄 Topological Sort

Union Find

1 Templates
📄 Union Find

Backtracking

1 Templates
📄 Backtracking

Dynamic Programming

1 Templates
📄 Knapsack

Monotonic Stack

1 Templates
📄 Monotonic Stack

Island Matrix Traversal

1 Templates
📄 Matrix Traversal

Graphs

1 Templates
📄 Graph Traversal

Trie

1 Templates
📄 Trie