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Study Groups
Practice problems together in real time
Recent sessions
Study groups that have wrapped up, and what they worked through.
Ray Light Coding Session
15h agoHosted by raymond_jones
r7 people
0vn- Maximum Depth of Binary TreeBronzeShow difficultysolved by 7 of 7
- Anagram CheckBronzeShow difficultysolved by 7 of 7
- Nodes at Distance K in a Binary TreeSilverShow difficultysolved by 3 of 7
Wednesday Night BLAZE pt 3
2d agoHosted by midnight_simon
6 people
0
- Rotated Array SearchSilverShow difficultysolved by 5 of 6
- Kth Node in Subtree PreorderSilverShow difficultysolved by 4 of 6
- Maximum Tree MatchingSilverShow difficultysolved by 3 of 6
- Count Paths in a DAGSilverShow difficultysolved by 4 of 6
Wednesday Night BLAZE pt 2
2d agoHosted by midnight_simon
7 people- Sum of the Deepest NodesBronzeShow difficultysolved by 7 of 7
- Within One EditBronzeShow difficultysolved by 5 of 7
- Count Grid PathsSilverShow difficultysolved by 6 of 7
- Distinct PermutationsSilverShow difficultysolved by 5 of 7
Wednesday Night BLAZE pt 1
2d agoHosted by midnight_simon
3 people- Shortest Subarray With Same DegreeBronzeShow difficultysolved by 3 of 3
- Count One BitsBronzeShow difficultysolved by 2 of 3
- Maximum Path Sum with Prime-3 JumpsSilverShow difficultysolved by 1 of 3
Monday Night BLAZE
4d agoHosted by midnight_simon
5 people0- Furthest Ascent IndexSilverShow difficultysolved by 4 of 5
- Palindrome With Equivalent LettersSilverShow difficultysolved by 5 of 5
- Longest Buildable WordSilverShow difficultysolved by 2 of 5
Wednesday Night BLAZE
10/29/2026Hosted by midnight_simon
8 people- Sum of the Deepest NodesBronzeShow difficultysolved by 6 of 8
- Sum of Right LeavesBronzeShow difficultysolved by 4 of 8
- Swap Adjacent NibblesBronzeShow difficultysolved by 3 of 8
- Smallest Maximum After K SplitsSilverShow difficultysolved by 2 of 8
Monday Night BLAZE
10/27/2026Hosted by midnight_simon
4 people- Increment Digit ArrayBronzeShow difficultysolved by 3 of 4
- First ID Repeated Within a Time WindowBronzeShow difficultysolved by 3 of 4
- Count Covered PointsBronzeShow difficultysolved by 3 of 4
- Count Mutation GroupsSilverShow difficultysolved by 2 of 4
Saturday Night BLAZE
10/25/2026Hosted by midnight_simon
7 people- Contains DuplicateBronzeShow difficultysolved by 7 of 7
- Longest Substring With Distinct CharactersSilverShow difficultysolved by 7 of 7
- Lexicographically Smallest Task OrderSilverShow difficultysolved by 6 of 7
- Distance Between Tree NodesSilverShow difficultysolved by 5 of 7
Ray Coding Session
10/24/2026Hosted by raymond_jones
r6 peoplen
- Round-Robin Finish TimeBronzeShow difficultysolved by 4 of 6
- Mirror a Binary TreeBronzeShow difficultysolved by 2 of 6
- Grid Propagation TimeBronzeShow difficultyunsolved
Wednesday Night BLAZE pt 2
10/22/2026Hosted by midnight_simon
6 peopler
- Repeated Maximum Pick TotalSilverShow difficultysolved by 4 of 6
- Maximum Subarray Sum With Endpoint DifferenceSilverShow difficultysolved by 3 of 6
- Leftmost Longest PalindromeSilverShow difficultysolved by 1 of 6
Wednesday Night BLAZE
10/22/2026Hosted by midnight_simon
5 people- Smallest Number With Digit SumBronzeShow difficultysolved by 4 of 5
- Minimum Cost to Equalize ValuesBronzeShow difficultysolved by 4 of 5
- Letter Count SimilarityBronzeShow difficultysolved by 3 of 5
Monday Night BLAZE
10/20/2026Hosted by midnight_simon
3 people- Symmetric Binary TreeBronzeShow difficultysolved by 3 of 3
- Smallest Adjacent Pair ConcatenationBronzeShow difficultysolved by 3 of 3
- Count IslandsSilverShow difficultysolved by 3 of 3
- Three-Value PartitionSilverShow difficultysolved by 2 of 3
