Problems
| Problem | Category | Types | Points | AC % | Users | |
|---|---|---|---|---|---|---|
| JOI '20 Spring Camp Day 2 P2 - Making Friends on Joitter is Fun | JOI | Graph Theory | 30p | 11.5% | 7 | |
| JOI '20 Spring Camp Day 2 P3 - Ruins 3 | JOI | Ad Hoc | 40p | 45.5% | 4 | |
| JOI '20 Spring Camp Day 3 P1 - Constellation 3 | JOI | Ad Hoc | 30p | 33.3% | 5 | |
| JOI '20 Spring Camp Day 3 P2 - Harvest | JOI | Ad Hoc | 35p | 27.3% | 5 | |
| JOI '20 Spring Camp Day 4 P1 - Capital City | JOI | Ad Hoc | 20 | 44.7% | 14 | |
| JOI '21 Open P1 - Crossing | JOI | Data Structures | 20p | 44.4% | 10 | |
| JOI '21 Open P2 - Financial Report | JOI | Dynamic Programming | 25p | 26.1% | 18 | |
| JOI '21 Spring Camp Day 1 P1 - Aerobatics | JOI | Geometry | 45p | 0.0% | 0 | |
| JOI '21 Spring Camp Day 3 P3 - Meetings 2 | JOI | Greedy Algorithms | 30p | 18.6% | 8 | |
| JOI '21 Spring Camp Day 4 P1 - Event Hopping 2 | JOI | Greedy Algorithms | 30p | 63.2% | 9 | |
| JOI '22 Final P1 - Intercastellar | JOI | Intermediate Math | 10p | 58.2% | 29 | |
| JOI '22 Final P2 - Self Study | JOI | Implementation, Simple Math | 12p | 26.9% | 18 | |
| JOI '22 Open P1 - Seesaw | JOI | Greedy Algorithms | 17p | 16.7% | 8 | |
| JOI '22 Open P2 - Giraffes | JOI | Dynamic Programming | 35p | 11.1% | 1 | |
| JOI '22 Open P3 - School Road | JOI | Graph Theory | 17p | 17.9% | 6 | |
| JOI '22 Spring Camp Day 1 P1 - Jail | JOI | Graph Theory | 30p | 23.9% | 6 | |
| JOI '23 Open P1 - Ancient Machine 2 | JOI | Advanced Math | 20p | 1.4% | 1 | |
| JOI '23 Open P2 - Cell Automaton | JOI | Data Structures, Geometry | 40p | 5.9% | 1 | |
| JOI '23 Open P3 - Garden | JOI | Data Structures | 12p | 9.0% | 6 | |
| Joshua Needs Help | Uncategorized | Intermediate Math | 10 | 54.8% | 42 | |
| Number Theoretic Transform | Uncategorized | Intermediate Math | 12 | 25.7% | 11 | |
| JSB '19 - P1 | CTF | Capture the Flag | 5 | 8.4% | 27 | |
| JSB '19 - P2 | CTF | Capture the Flag | 7 | 26.7% | 16 | |
| JSB '19 - P3 | CTF | Capture the Flag | 7 | 38.8% | 15 | |
| JSB '19 - P4 | CTF | Capture the Flag | 17 | 23.0% | 9 | |
| JSB '19 - P5 | CTF | Capture the Flag | 15 | 19.2% | 9 | |
| K-Dimensional Grids | Uncategorized | Intermediate Math | 15p | 27.7% | 21 | |
| Kevin Needs Help | Uncategorized | Graph Theory, Intermediate Math | 20 | 28.7% | 17 | |
| Knapsack 3 | Uncategorized | Dynamic Programming, Greedy Algorithms | 10p | 26.3% | 262 | |
| Knapsack 4 | ICPC | Dynamic Programming | 20 | 21.5% | 62 | |
| Koala Ball | Uncategorized | Dynamic Programming, Intermediate Math | 12p | 32.4% | 15 | |
| K-th Minimum Number | Uncategorized | Data Structures | 17 | 46.1% | 35 | |
| Largest Permutation | Uncategorized | Greedy Algorithms | 7p | 19.7% | 270 | |
| Strict Evaluation | Data Structure Tests | Data Structures | 17 | 22.1% | 151 | |
| Longest Balanced Subsequence | Uncategorized | Data Structures | 15p | 30.3% | 28 | |
| Longest Common Subsequence | Classics | Dynamic Programming | 7 | 40.8% | 870 | |
| Link Cut Tree | Uncategorized | Ad Hoc, Graph Theory | 50 | 0.6% | 5 | |
| Lego | Uncategorized | Uncategorized | 15p | 26.7% | 14 | |
| Lemon | Uncategorized | Intermediate Math | 10 | 30.8% | 15 | |
| Lemon Game | Olympiads School | Game Theory | 7 | 29.5% | 51 | |
| Lemon Tree | Uncategorized | Data Structures, Graph Theory | 20p | 10.9% | 16 | |
| Levve Loves Segment Trees | Uncategorized | Data Structures | 15 | 12.4% | 45 | |
| Lyndon's Golf Contest 1 P1 - As Easy As ABC | Uncategorized | Implementation | 0p | 45.2% | 183 | |
| Lyndon's Golf Contest 1 P2 - A Cube Problem | Uncategorized | Simple Math | 0p | 56.2% | 138 | |
| Lyndon's Golf Contest 1 P3 - Boolean (Buffed) | Uncategorized | Implementation | 0p | 56.4% | 85 | |
| Lyndon's Golf Contest 1 P4 - Symbolic Ruby | Uncategorized | Implementation | 0p | 13.2% | 18 | |
| Lyndon's Golf Contest 1 P5 - Basic Triangle | Uncategorized | Implementation | 0p | 41.0% | 73 | |
| Lyndon's Golf Contest 1 P6 - Alphanumeric Perl | Uncategorized | Implementation | 0p | 33.3% | 16 | |
| Lyndon's Golf Contest 1 P7 - Fun Factoring | Uncategorized | Simple Math | 0p | 41.2% | 40 | |
| Lyndon's Golf Contest 1 P8 - Beautiful Brackets | Uncategorized | String Algorithms | 0p | 1.4% | 7 |