THE PROGRESSION

EVERY PACK. SIX RANKS.

You don't just learn a topic. You conquer it.

E-RANK

Foundation

Day 1–5

Core patterns, base cases

D-RANK

Builder

Day 6–12

Pattern stacking begins

C-RANK

Intermediate

Day 13–20

Medium-level problems

B-RANK

Advanced

Day 21–25

Hard problem strategies

A-RANK

Elite

Day 26–28

CP-level thinking

S-RANK

LEGEND

Day 29–30

Real contest problems

START RANKING UP →