Coding Patterns

Learn recognition triggers, reusable templates, and practice problems for the Two Pointers pattern.

Study Pattern

Sliding Window

Learn recognition triggers, reusable templates, and practice problems for the Sliding Window pattern.

Study Pattern

Binary Search

Learn recognition triggers, reusable templates, and practice problems for the Binary Search pattern.

BFS / DFS on Trees

Learn recognition triggers, reusable templates, and practice problems for the BFS / DFS on Trees pattern.

BFS / DFS on Graphs

Learn recognition triggers, reusable templates, and practice problems for the BFS / DFS on Graphs pattern.

Backtracking

Learn recognition triggers, reusable templates, and practice problems for the Backtracking pattern.

Dynamic Programming — 1D

Learn recognition triggers, reusable templates, and practice problems for the Dynamic Programming — 1D pattern.

Dynamic Programming — 2D

Learn recognition triggers, reusable templates, and practice problems for the Dynamic Programming — 2D pattern.

Greedy

Learn recognition triggers, reusable templates, and practice problems for the Greedy pattern.

Divide and Conquer

Learn recognition triggers, reusable templates, and practice problems for the Divide and Conquer pattern.

Topological Sort

Learn recognition triggers, reusable templates, and practice problems for the Topological Sort pattern.

Union Find

Learn recognition triggers, reusable templates, and practice problems for the Union Find pattern.

Monotonic Stack / Queue

Learn recognition triggers, reusable templates, and practice problems for the Monotonic Stack / Queue pattern.

Intervals

Learn recognition triggers, reusable templates, and practice problems for the Intervals pattern.

Heap Patterns

Learn recognition triggers, reusable templates, and practice problems for the Heap Patterns pattern.

Trie Patterns

Learn recognition triggers, reusable templates, and practice problems for the Trie Patterns pattern.