CP Tracker
Road to Guardian & Red
A log of every problem attempted, how it was solved, and how long it took — nothing is added until it's actually been attempted. Recommendations draw from NeetCode 250 and the full Codeforces problemset, with the topic taxonomy on youkn0wwho's Topic List as a reference for deeper CP topics.
20 / 20
Solved
0
Easy
0
Medium
0
Hard
3
Active Days
3.6
Hours Logged
Spaced repetition
Due for review
Halloumi Boxes
Last solved 9/11/2026 · 2d overdue
Line Trip
Last solved 9/11/2026 · 2d overdue
Cover in Water
Last solved 9/13/2026 · 1d overdue
Game With Integers
Last solved 9/13/2026 · 1d overdue
Jagged Swaps
Last solved 9/13/2026 · 1d overdue
Doremy's Paint 3
Last solved 9/13/2026 · due today
Don't Try To Count
Last solved 9/13/2026 · due today
How Much Does Daytona Cost?
Last solved 9/13/2026 · due today
Goals of Victory
Last solved 9/13/2026 · due today
Target Practice
Last solved 9/13/2026 · due today
Ambitious Kid
Last solved 9/13/2026 · due today
Sequence Game
Last solved 9/13/2026 · due today
United We Stand
Last solved 9/13/2026 · due today
Buttons
Last solved 9/13/2026 · due today
Array Coloring
Last solved 9/13/2026 · due today
Desorting
Last solved 9/13/2026 · due today
Forbidden Integer
Last solved 9/13/2026 · due today
NeetCode 250
Try next
Concatenation of Array
Easy · Arrays & Hashing
Reverse String
Easy · Two Pointers
Contains Duplicate II
Easy · Sliding Window
Baseball Game
Easy · Stack
Binary Search
Easy · Binary Search
Reverse Linked List
Easy · Linked List
Codeforces
Try next
Moo Language School
800 · brute force, greedy, two pointers
Iskander and Drawings
800 · dp, games, greedy, strings
Boss Fight
800 · data structures, greedy
Permutation Warm-Up
800 · combinatorics, greedy, math
Friendly Numbers
800 · binary search, brute force, expression parsing, math, schedules
Deletion Sort
800 · bitmasks, brute force, greedy, sortings
20 problems
| Problem | Solution | |||||
|---|---|---|---|---|---|---|
| 800 | math | No help | 5m | View ↗ | ||
| 800 | greedymath | Used hints | 9m | View ↗ | ||
CFButtons | 800 | gamesgreedymath | No help | 5m | View ↗ | |
| 800 | constructive algorithmsgreedyimplementationstring | No help | 10m | View ↗ | ||
| 800 | brute-forcegreedymath | No help | 11m | View ↗ | ||
| 800 | brute-forcestring | No help | 13m | View ↗ | ||
| 800 | constructive algorithms | No help | 25m | View ↗ | ||
| 800 | constructive algorithmsimplementationmathnumber theory | No help | 19m | View ↗ | ||
| 800 | gamesmathnumber theory | No help | 5m | View ↗ | ||
| 800 | math | No help | 5m | View ↗ | ||
| 800 | constructive algorithmsmath | No help | 6m | View ↗ | ||
| 800 | brute-forcegreedysortings | No help | 15m | View ↗ | ||
| 800 | greedy | No help | 4m | View ↗ | ||
| 800 | sorting | No help | 10m | View ↗ | ||
| 800 | greedymath | No help | 15m | View ↗ | ||
| 800 | constructive algorithms | No help | 10m | View ↗ | ||
| 800 | implementationmath | No help | 8m | View ↗ | ||
| 800 | constructive algorithms | No help | — | — | ||
| 800 | greedymath | No help | 8m | View ↗ | ||
| 800 | constructive algorithmsmathnumber theory | No help | 24m | View ↗ |
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