|
| IIOT: |
| IIOT 2024-25: |
| IIOT 2024-25 Round I | Blitz Division | Morse | Azugand | Road Expansion Plan | Problemsetting | Binary Grid | Word by Word |
| IIOT 2024-25 Round II | Almost Video Game III | Build a Bridge | Progressive Art | Tetris Tiling | Rummy | Alice’s Homework Challenge | Find the Permutation |
| IIOT 2024-25 Round III | Weights | Sandwich | RMI | Kingdom Roads | Carlo’s Library | Board Game | And Queries |
| IIOT 2024-25 Round IV | Lakeside Walk 2 | The Dutch Farmer | Longest Palindrome | Subject Pairing | Pizza Orders | Maximum Difference | Matrix Reduction |
| IIOT 2023-24: |
| IIOT 2023-24 Round I | Area Under Path | Binary Chess | Bracket Sequence | Destroy The Village | Long Chain | Periodic Words | Ping Pong | Excellent Numbers | Precise Average |
| IIOT 2023-24 Round II | Farmula 1 | String Imbalance | Tulip Bouquets | Good Intervals | Increasing XOR | Pac-Man | The Jeweller's Game |
| IIOT 2023-24 Round III | Swapping Brackets | Carry Bit | Dog Trick Competition | Excellent Numbers 2 | Stefan’s New Year’s resolutions | Tuscan Peaks | Strange Operation |
| IIOT 2023-24 Round IV | Stefan mastering chess | Planning Excursions | Dog Trick Competition 2 | An RGB Masterpiece | Jobstown Millionaire | The Strongest Teams for IKPC | K-step Tree |
| IIOT 2023-24 Final Round | From Constanța 2 Timișoara | Mermaid | Cntcrit | Final Standings | XYQueries | Connected | ChalkBoard |
| IIOT 2023-24 International Round | Esoteric Bovines | Replace the Characters | Baby Bob’s Coloring Book | Geometric Mean | Triangle Counting | TV Series | Carlo’s Garden | Washington Distance | Watch Towers |
| IIOT 2022-23: |
| IIOT 2022-23 Round I | monopoly | Dream | Chess Tournament 2 | Patrol | Dristor2 | Panama Sum | Sum Tree |
| IIOT 2022-23 Round II | casino | fossils | cfg | scoazze | railroad | intervals | constarr |
| IIOT 2022-23 Round III | scount | keyboard | magicforest | xortree2 | patrol2 | intervalxor | notdivisible |
| IIOT 2022-23 Round IV | books | colors | gcd | lottery | lrtree | text | median |
| IIOT 2022-23 Final Round | intervalxor2 | phonebook | lovejournal | base12 | squirrel | ssr |
| IIOT 2022-23 International Round | abc | binge | cipher | fence | ktree | matgame | publictransport | tetris | tourdetree |
| IIOT 2021-22: |
| IIOT 2021-22 Round I | ucl | Array Counting | Another Boring Problem | Martian War | Bytes | Chess Tournament | Prime Sums |
| IIOT 2021-22 Round II | Maximum 0ccurrences | Cntnk | Christmas Balls | Kalindrome | Goal Statistics | Tiny Types | Secret Santa |
| IIOT 2021-22 Round III | Bitwise Party | Connect the Tree | Flappy Bird | Sieve | Sorting Proximity | Words | Wine Tasting |
| IIOT 2021-22 Round IV | Battle | Formula One | L-paths | Minperm | Marathon | Police Investigation | Wordle |
| IIOT 2021-22 Final Round | Pepi and his friends | Table | Giga-xor | metin2 | Bicolored Matrix | No Division Allowed | Essential |
| IIOT 2021-22 International Round | Discount Optimisation | Glassworks | Best Ice Cream Flavours | Connect the Dots | Picnic’s Table | Plagiarism Detection | Big Stonks |
| IIOT 2020-21: |
| IIOT 2020-21 Round I | Xorstanta | Xor Tree | Subset Fight | String Streak | Interesting Array | Hill Climb | Arithmetic Equality |
| IIOT 2020-21 Round III | Back to the Himalayas | Fata Morgana | Predictor Machine | Primest Prime Pancakes | Vaccination | Tinder | Walker |
| IIOT 2020-21 Final Round | Buildings | Buntopia | Tourism | Ba Sing Se | Points | Castle | Rectangles |
| IIOT 2020-21 International Round | Chimney Service | All the Emojis! | Marathon Training | Multiselect | Map of Tasks | Musical Fight | VS-Movies Group | Weak Hash Function |
| IIOT 2019-20: |
| IIOT 2019-20 Round I | 23 | Blind Punch | Barrels | Fibonacci Bugs | Funny Graph | Spray | Teleport |
| IIOT 2019-20 Round III | pulse | fairgame | marcel | scmax | supersuma | bonus | match |
| IIOT 2017-18: |
| IIOT 2017-18 International Round | Flowers | Tommy's Toy | Petrol Stations | Options | KST | Map | UpDown |
| IIOT 2016-17: |
| IIOT 2016-17 Round I | A Matter of Size | The Floor is Lava | Server Farm | Independent House | Reserved Seats | Antique Street Lights | Wheel of Fortune |
| IIOT 2016-17 Round II | Feng Shui House | Gambling Assistant | Interstellar Transmissions | Public Transport | Confusing Usernames | Scenic Walkway | Water Calculator |
| IIOT 2016-17 International Round | DreamTeam Selection | Intrusion Detection System | City Flooding | Friendly Note | Moving Paintings | Masters and Slaves | Science Against Spam |
| IATI Shumen 2020-2024: |
| IATI Shumen 2024: |
| IATI Shumen 2024 Senior: |
| IATI Shumen 2024 Senior: Day 1 | Ones | Puzzle | Five |
| IATI Shumen 2024 Senior: Day 2 | Travel | Game | LEX_GCD |
| IATI Shumen 2024 Junior: |
| IATI Shumen 2024 Junior: Day 1 | aquarelle | twins | walk |
| IATI Shumen 2024 Junior: Day 2 | Parentheses | tolls | xy |
| IATI Shumen 2022: |
| IATI Shumen 2022 Senior: |
| IATI Shumen 2022 Senior: Day 1 | cubes | ones | divide |
| IATI Shumen 2022 Senior: Day 2 | reorder | fork | lifts |
| IATI Shumen 2022 Junior: |
| IATI Shumen 2022 Junior: Day 1 | coins | garden | rich_num |
| IATI Shumen 2022 Junior: Day 2 | connect | expedition | sorting |
| IATI Shumen 2021: |
| IATI Shumen 2021 Senior: |
| IATI Shumen 2021 Senior: Day 1 | heaps | miners | news |
| IATI Shumen 2021 Senior: Day 2 | delivery | rabbit |
| IATI Shumen 2021 Junior: |
| IATI Shumen 2021 Junior: Day 1 | pretty | wall | sum_prod |
| IATI Shumen 2021 Junior: Day 2 | monopoly | cutting | sss |
| IATI Shumen 2020: |
| IATI Shumen 2020 Senior: |
| IATI Shumen 2020 Senior: Day 1 | hunterxhunter | sqsort | matchingcolors |
| IATI Shumen 2020 Senior: Day 2 | cancer | rectpoints | alpha |
| IATI Shumen 2020 Junior: |
| IATI Shumen 2020 Junior: Day 1 | PF | hunterxhunter | disorder |
| IATI Shumen 2020 Junior: Day 2 | biggest | rectpoints | maxs |
| infO(1) Cup 2019-2025: |
| infO(1) Cup 2025: |
| infO(1) Cup 2025, Day 1 | Nines | Cards | SkiCircuit |
| infO(1) Cup 2025, Day 2 | ModuloSum | Divisors | Radio |
| infO(1) Cup 2024: |
| infO(1) Cup 2024, Day 1 | Gregor and maximum length | Ping-Pong | XORsecv |
| infO(1) Cup 2024, Day 2 | Maxstack | Lattice | Bracket Wheel |
| infO(1) Cup 2023: |
| infO(1) Cup 2023, Day 1 | Game | Valentine's Day | Sequences |
| infO(1) Cup 2023, Day 2 | Caesar Is Back | Treasure Hunting | Statues |
| infO(1) Cup 2022: |
| infO(1) Cup 2022, Day 1 | Sumex | NiceSet | Tennis |
| infO(1) Cup 2022, Day 2 | Date | Hide and seek | Ezlulu |
| infO(1) Cup 2021: |
| infO(1) Cup 2021, International Round | Jumpy | CoolRot |
| infO(1) Cup 2021, National Round | Fiboxor | Mirrored | Wonderland |
| infO(1) Cup 2021, Practice Round | Palindrome | SubsetCheating |
| infO(1) Cup 2020 | Cheerleader | Trampoline | Football | Table Tennis |
| infO(1) Cup 2019: |
| infO(1) Cup 2019, National Round | mean | simple | split | subway | treasure |
| OCPC 2024: |
| OCPC 2024 Day 1 | Aibohphobia | Breaking Bad | Chemistry Class | Daily Disinfection | Equalizer Ehrmantraut | Formal Fring | Goodman | Highway Hoax | Increasing Income | Jesse's Job | Knocker | Lalo's Lawyer Lost |
| RMI 2015-2024: |
| RMI 2024 | Choose Interval | Octagon | Skittlez | Signals | Ramen | Jump Civilization |
| RMI 2023 | AA Tree | Heroes | Pinball | Circles | Statues | To be, xor not to be |
| RMI 2021 | Gardening | Present | NoM | Paths | Weirdtree |
| RMI 2020 | Brperm | Sum Zero | Arboras |
| RMI 2019 | Devil's Share | Lucky Numbers | Fishing Game | Santa Claus |
| RMI 2018 | Climbers | Traffickers | Colors | Squirrel | W |
| RMI 2016 | Metro |
| RMI 2015 | Infinity War |
| InfoTeams: |
| InfoTeams 2024 - Ediția 1 | Algoritmul | Dragon | Pacanea | Primul 11 | xor | autocar | Cais |
| InfoTeams 2024 - Ediția 2 | Sir Nataflet | Lumtirogla++ | stringuri | Bal | Darts | waterSimu | 2siruri | arbore | Permutare | Maximize |
| InfoTeams 2025 - Round 3 | joc17 | Ioana | Teodor | Secret Santa (Easy) | Secret Santa (Hard) | 3dist | Bit Monkey |
| RCPC Camp 2023: |
| RCPCamp 2023 Day 1 | A. Yet Another Colored Tree Problem | B. Coins | C. Almost Tree Cut | D. Doping 2 | E. Anton Would Approve This Problem | F. Difference in Skill | G. Sign Flipping | H. The Binary Matrix of All Time | I. Weird Divisibility | J. Triple Reverse Sort | K. Distinctness Queries | L. Best or Worst |
| RCPCamp 2023 Day 2 | A. Maximum Distance | B. The floor is lava! | C. Basketball | D. Edenland | E. Fiboxor | F. Suceava | G. Minimize Sum | H. AI Thoughts | I. KSumT | J. Parallelogram | K. Blabla | L. Dush | M. Dragons |
| EGOI 2023: |
| EGOI 2023 Day 1 | Inflation | Padel Prize Pursuit |
| EGOI 2023 Day 2 | Carnival General | Candy |
| JBOI 2023: |
| JBOI 2023 Day 1 | Frequencies | Magic | XP Orbs |
| JBOI 2023 Day 2 | Rope | Tractor |
| EJOI 2022: |
| EJOI 2022 Day 1 | Adjacent Pairs | Where Is the Root? | Bounded Spanning Tree |