75 problems · grouped by pattern

The Blind 75 List

The classic 75 interview problems, grouped by the pattern that solves them. Practice each one in FeatCode's in-browser editor.

Arrays & Hashing (8)

Two Pointers (3)

Stack (1)

Binary Search (2)

Sliding Window (4)

Linked List (6)

Trees (11)

Tries (3)

Heap / Priority Queue (1)

Backtracking (2)

Graphs (6)

Advanced Graphs (1)

1-D Dynamic Programming (10)

2-D Dynamic Programming (2)

Greedy (2)

Intervals (5)

Math & Geometry (3)

Bit Manipulation (5)