eriktai

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char II Rank

8,844 Power level

char II → char III

365 / 406 XP

41 XP to char III

#370 Rank 1 Solved 100% Accuracy 0 Quiz solved 0% Quiz acc. 26 Roadmap solved 5 Streak

Activity

3 activity events in 2026

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Difficulty Breakdown

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Recent Activity

Solves, roadmap, White Room, quests & quizzes

Range Count Query Aug 20, 03:14 PM

Algorithms · Completed

2 roadmap problems Aug 20, 12:38 PM

Algorithms · Completed · Sliding Window Inversions, Sliding Window Inversions

Minimum Window Substring Aug 20, 12:49 AM

Algorithms · Completed

Sliding Median Aug 20, 12:10 AM

Algorithms · Completed

Sliding Window Mex Aug 19, 04:28 PM

Algorithms · Completed

Sliding Window Mode Aug 19, 03:48 PM

Algorithms · Completed

Approximating a Constant Range Aug 19, 03:07 PM

Algorithms · Completed

2 roadmap problems Aug 19, 02:29 PM

Algorithms · Completed · Sliding Window Minimum, Books

Sliding Window Or Aug 19, 02:01 PM

Algorithms · Completed

Count Subarrays Where Max Element Appears at Least K Times Aug 19, 12:58 PM

Algorithms · Completed

2 roadmap problems Aug 19, 12:33 PM

Algorithms · Completed · Subarray Product Less Than K, Permutation in String

2 roadmap problems Aug 19, 12:10 PM

Algorithms · Completed · Subarray Sums I, Minimum Size Subarray Sum

Longest Substring Without Repeating Characters Aug 19, 11:53 AM

Algorithms · Completed

Longest Repeating Character Replacement Aug 19, 11:13 AM

Algorithms · Completed

Missing Number Aug 19, 01:45 AM

Algorithms · Completed

Jealous Two Aug 18, 11:47 AM

Algorithms · Completed

Put a ring on it. Jul 28, 07:42 PM

Core · AC · C++17 · 3 ms

Best Solves

Hardest problems solved

Put a ring on it.

C++17 +62 XP +1,705 PL

BasicsData Structures