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Coding roadmap
272 problems across 18 patterns. Follow the arrows: each pattern builds on the ones before it. Tick problems as you solve them and the map fills in.
✓ Track complete — every pattern solved. Nicely done.
Follow the arrows: finish a topic to unlock what builds on it. Progress is saved on this device.
All patterns
Trees
0 / 34 solved
Arrays & Hashing
0 / 33 solved
Graphs
0 / 20 solved
1-D Dynamic Programming
0 / 19 solved
Linked List
0 / 19 solved
2-D Dynamic Programming
0 / 15 solved
Math & Geometry
0 / 15 solved
Two Pointers
0 / 15 solved
Binary Search
0 / 14 solved
Greedy
0 / 13 solved
Stack
0 / 13 solved
Backtracking
0 / 12 solved
Heap & Priority Queue
0 / 12 solved
Sliding Window
0 / 12 solved
Bit Manipulation
0 / 11 solved
Advanced Graphs
0 / 6 solved
Intervals
0 / 6 solved
Tries
0 / 3 solved