Excel Formula Challenges

Hard problems, solvable in a single cell. Modern Excel only — no VBA, no helpers.

Rotate Matrix 90° Clockwise

Matrix ★☆☆☆

Circular Array Maximum Sum

Array & Sequence ★★☆☆

Count Paths with Obstacles

Grid / Path ★★☆☆

Count Paths with Target Sum

Grid / Path ★★☆☆

Grid Min Path Sum

Grid / Path ★★☆☆

Jump Game (Reachability)

Grid / Path (Advanced) ★★☆☆

Max Coins with One Turn

Grid / Path (Advanced) ★★☆☆

Triangle Max Path Sum

Grid / Path ★★☆☆

Grid Min Path Sum with Path Tracking

Grid / Path ★★★☆

Jump Game with All Hops

Grid / Path (Advanced) ★★★☆

Longest Palindromic Substring

String ★★★☆

Max Path with Threshold Constraint

Grid / Path (Advanced) ★★★☆

Next Permutation

Array & Sequence ★★★☆