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Previously asked questions
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January 5, 2026
Number of Shortest Paths
Attempted: 44
Your Rank: NA
January 4, 2026
Counting the Longest Rising Paths
Attempted: 48
Your Rank: NA
January 3, 2026
Count Quadruplets with Odd Sum
Attempted: 50
Your Rank: NA
January 2, 2026
Count Triplets with Odd Sum
Attempted: 37
Your Rank: NA
January 1, 2026
Balanced Subarrays
Attempted: 47
Your Rank: NA
December 31, 2025
New Year’s Colorful Celebrations
Attempted: 51
Your Rank: NA
December 30, 2025
Sum of Nodes in BST Range
Attempted: 36
Your Rank: NA
December 29, 2025
Traveler’s Best Energy
Attempted: 41
Your Rank: NA
December 28, 2025
Next Stronger Tower
Attempted: 61
Your Rank: NA
December 27, 2025
The Search for a Weaker Signal
Attempted: 40
Your Rank: NA
| Status | Question Name | Date | Attempted by | Your Rank |
|---|---|---|---|---|
| Number of Shortest Paths | 5/1/2026 | 44 | NA |
| Counting the Longest Rising Paths | 4/1/2026 | 48 | NA |
| Count Quadruplets with Odd Sum | 3/1/2026 | 50 | NA |
| Count Triplets with Odd Sum | 2/1/2026 | 37 | NA |
| Balanced Subarrays | 1/1/2026 | 47 | NA |
| New Year’s Colorful Celebrations | 31/12/2025 | 51 | NA |
| Sum of Nodes in BST Range | 30/12/2025 | 36 | NA |
| Traveler’s Best Energy | 29/12/2025 | 41 | NA |
| Next Stronger Tower | 28/12/2025 | 61 | NA |
| The Search for a Weaker Signal | 27/12/2025 | 40 | NA |
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Previously asked questions
Practice previous questions and climb on the all-time leaderboard
January 5, 2026
Number of Shortest Paths
Attempted: 44
Your Rank: NA
January 4, 2026
Counting the Longest Rising Paths
Attempted: 48
Your Rank: NA
January 3, 2026
Count Quadruplets with Odd Sum
Attempted: 50
Your Rank: NA
January 2, 2026
Count Triplets with Odd Sum
Attempted: 37
Your Rank: NA
January 1, 2026
Balanced Subarrays
Attempted: 47
Your Rank: NA
December 31, 2025
New Year’s Colorful Celebrations
Attempted: 51
Your Rank: NA
December 30, 2025
Sum of Nodes in BST Range
Attempted: 36
Your Rank: NA
December 29, 2025
Traveler’s Best Energy
Attempted: 41
Your Rank: NA
December 28, 2025
Next Stronger Tower
Attempted: 61
Your Rank: NA
December 27, 2025
The Search for a Weaker Signal
Attempted: 40
Your Rank: NA
| Status | Question Name | Date | Attempted by | Your Rank |
|---|---|---|---|---|
| Number of Shortest Paths | 5/1/2026 | 44 | NA |
| Counting the Longest Rising Paths | 4/1/2026 | 48 | NA |
| Count Quadruplets with Odd Sum | 3/1/2026 | 50 | NA |
| Count Triplets with Odd Sum | 2/1/2026 | 37 | NA |
| Balanced Subarrays | 1/1/2026 | 47 | NA |
| New Year’s Colorful Celebrations | 31/12/2025 | 51 | NA |
| Sum of Nodes in BST Range | 30/12/2025 | 36 | NA |
| Traveler’s Best Energy | 29/12/2025 | 41 | NA |
| Next Stronger Tower | 28/12/2025 | 61 | NA |
| The Search for a Weaker Signal | 27/12/2025 | 40 | NA |