User Info: koosaga
Name: Jaehyun Koo
401 problems solved.
Total points: 6528.33
General (171 points)
- Sorting (5 / 5)
- A plus B (2 / 2)
- Adding Reversed Numbers (5 / 5)
- Coin Change (10 / 10)
- Maximum Sum (7 / 7)
- A Game (10 / 10)
- Longest Increasing Subsequence (10 / 10)
- Counting Subsequences (10 / 10)
- Good Debugging (30 / 30)
- King Graff's Tolls (30 / 30)
- Primes 2 (15 / 15)
- Primes 3 (20 / 20)
- Subway Routes (17 / 17)
CCC Stage 1 (589.67 points)
- CCC03S4 - Substrings (20 / 20)
- CCC03S5 - Trucking Troubles (20 / 20)
- CCC05S2 - Mouse Move (5 / 5)
- CCC05S3 - Quantum Operations (10 / 10)
- CCC05S5 - Pinball Ranking (20 / 20)
- CCC09S1 - Cool Numbers (5 / 5)
- CCC09S2 - Lights Going On and Off (10 / 10)
- CCC09J5S3 - Degrees of Separation (12 / 12)
- CCC09S4 - Shop and Ship (15 / 15)
- CCC09S5 - Wireless (20 / 20)
- CCC10J1 - What is n, Daddy? (3 / 3)
- CCC10J5 - Knight Hop (10 / 10)
- CCC11S1 - English or French? (5 / 5)
- CCC11S2 - Multiple Choice (5 / 5)
- CCC11S3 - Alice Through the Looking Glass (10 / 10)
- CCC11S4 - Blood Distribution (7 / 7)
- CCC11S5 - Switch (12 / 12)
- CCC12J5 - A Coin Game (10 / 10)
- CCC12S1 - Don't pass me the ball! (3 / 3)
- CCC12S2 - Aromatic Numbers (5 / 5)
- CCC12S3 - Absolutely Acidic (7 / 7)
- CCC12S4 - A Coin Game (15 / 15)
- CCC12S5 - Mouse Journey (10 / 10)
- CCC13J3S1 - From 1987 to 2013 (5 / 5)
- CCC13S2 - Bridge Transport (5 / 5)
- CCC13J5S3 - Chances of Winning (12 / 12)
- CCC13S4 - Who is Taller? (10 / 10)
- CCC13S5 - Factor Solitare (15 / 15)
- CCC14J4S1 - Party Invitation (5 / 5)
- CCC14J5S2 - Assigning Partners (5 / 5)
- CCC14S3 - The Geneva Confection (7 / 7)
- CCC14S4 - Tinted Glass Window (15 / 15)
- CCC14S5 - Lazy Fox (20 / 20)
- CCC15J1 - Special Day (3 / 3)
- CCC15J2 - Happy or Sad (5 / 5)
- CCC15J5 - Pi-day (10 / 10)
- CCC15S1 - Zero That Out (5 / 5)
- CCC15S2 - Jerseys (5 / 5)
- CCC15S3 - Gates (7 / 7)
- CCC15S4 - Convex Hull (15 / 15)
- CCC15S5 - Greedy For Pies (20 / 20)
- Mock CCC15S5 - Kongou (18.67 / 40)
- CCC16S1 - Ragaman (5 / 5)
- CCC16J5S2 - Tandem Bicycle (7 / 7)
- CCC16S3 - Phonomenal Reviews (12 / 12)
- CCC16S4 - Combining Riceballs (15 / 15)
- CCC16S5 - Circle of Life (20 / 20)
- CCOQR16 - Stupendous Bowties (15 / 15)
- CCOQR16 - Through A Maze Darkly (15 / 15)
- CCOQR16 - Data Structure (17 / 17)
- CCC17J1 - Quadrant Selection (3 / 3)
- CCC17J2 - Shifty Sum (5 / 5)
- CCC17J3 - Exactly Electrical (5 / 5)
- CCC17J4 - Favourite Times (7 / 7)
- CCC17S1 - Sum Game (5 / 5)
- CCC17S2 - High Tide, Low Tide (7 / 7)
- CCC17J5S3 - Nailed It! (10 / 10)
- CCC17S4 - Minimum Cost Flow (15 / 15)
CCC Stage 2 (817.46 points)
- CCC05 Stage 2 - Primed Sequences (15 / 15)
- CCC05 Stage 2 - Segments (20 / 20)
- CCC05 Stage 2 - Windows (30 / 30)
- CCC05 Stage 2 - Number Matrix (10 / 10)
- CCC06 Stage 2 - R & J (10 / 10)
- CCC07 Stage 2 - Cows (10 / 10)
- CCC07 Stage 2 - Snowflakes (10 / 10)
- CCC07 Stage 2 - Bowling for Numbers++ (30 / 30)
- CCC07 Stage 2 - Road Construction (20 / 20)
- CCC08 Stage 2 - King & Weber (20 / 20)
- CCC08 Stage 2 - Herding (10 / 10)
- CCC08 Stage 2 - Landing (40.54 / 50)
- CCC08 Stage 2 - Mobile (17 / 17)
- CCC08 Stage 2 - Candy (20 / 20)
- CCC09 Stage 2 - Dinner (40 / 40)
- CCC09 Stage 2 - A Weighty Problem (20 / 20)
- CCC10 Stage 2 - Computer Purchase Return (10 / 10)
- CCC10 Stage 2 - Shuffle (10 / 10)
- CCC10 Stage 2 - Space Miner (15 / 15)
- CCC11 Stage 2 - Putnam (7 / 7)
- CCC11 Stage 2 - Spies Like Us (10 / 10)
- CCC11 Stage 2 - Reorganization (15 / 15)
- CCC11 Stage 2 - Biggest (Zero Carbon) Footprint (25 / 25)
- CCC12 Stage 2 - Choose Your Own Arithmetic (7 / 7)
- CCC12 Stage 2 - Hungary Games (15 / 15)
- CCC12 Stage 2 - The Winds of War (30 / 30)
- CCC13 Stage 2 - All Your Base Are Belong To Palindromes (10 / 10)
- CCC13 Stage 2 - Tourney (15 / 15)
- CCC13 Stage 2 - LHC (17 / 17)
- CCC13 Stage 2 - Repetitivity (25 / 25)
- CCC14 Stage 2 - Troyangles (10 / 10)
- CCC14 Stage 2 - King Gruff (15 / 15)
- CCC14 Stage 2 - Werewolf (25 / 25)
- CCC14 Stage 2 - Where's That Fuel? (7 / 7)
- CCC14 Stage 2 - Early Exam Evacuation (25 / 25)
- CCO15 - Artskjid (15 / 15)
- CCO15 - Solar Flight (1.92 / 25)
- CCO15 - Eggscavation (30 / 30)
- CCO16 - Field Trip (10 / 10)
- CCO16 - Splitting Hares (15 / 15)
- CCO16 - Legends (30 / 30)
- CCO16 - O Canada (10 / 10)
- CCO16 - Zombie Apocalypse (15 / 15)
- CCO16 - Pirates (25 / 25)
- CCO17 - Cartesian Conquest (15 / 15)
- CCO17 - Rainfall Storage (15 / 15)
- CCO17 - Professional Network (20 / 20)
COCI/COI (1536 points)
- COCI06 #1 - Modulo (5 / 5)
- COCI06 #1 - Herman (5 / 5)
- COCI06 #1 - Okviri (5 / 5)
- COCI06 #1 - Slikar (15 / 15)
- COCI06 #1 - Bond (10 / 10)
- COCI06 #1 - Debug (20 / 20)
- COCI06 #2 - R2 (3 / 3)
- COCI06 #2 - ABC (3 / 3)
- COCI06 #2 - Kolone (7 / 7)
- COCI06 #2 - Sjecista (7 / 7)
- COCI06 #2 - Stol (12 / 12)
- COCI06 #3 - Patuljci (5 / 5)
- COCI06 #3 - N-puzzle (5 / 5)
- COCI06 #3 - Trojke (7 / 7)
- COCI06 #3 - Tenkici (12 / 12)
- COCI06 #3 - Bicikli (15 / 15)
- COCI06 #3 - Lista (20 / 20)
- COCI06 #4 - Sibice (3 / 3)
- COCI06 #4 - Skener (5 / 5)
- COCI06 #4 - Prsteni (5 / 5)
- COCI06 #4 - Zbrka (15 / 15)
- COCI06 #4 - Ispiti (20 / 20)
- COCI06 #5 - Trik (3 / 3)
- COCI06 #5 - Natrij (5 / 5)
- COCI06 #5 - Ivana (15 / 15)
- COCI06 #5 - Dvaput (15 / 15)
- COCI06 #6 - Prase (5 / 5)
- COCI06 #6 - Maraton (5 / 5)
- COCI06 Regional - Bard (7 / 7)
- COCI06 Regional - Firefly (10 / 10)
- COCI07 #1 - Cetvrta (3 / 3)
- COCI07 #1 - Prinova (7 / 7)
- COCI07 #1 - Zapis (17 / 17)
- COCI07 #1 - Srednji (12 / 12)
- COCI07 #1 - Staza (25 / 25)
- COCI07 #2 - Bijele (3 / 3)
- COCI07 #2 - Crne (3 / 3)
- COCI07 #2 - Prva (7 / 7)
- COCI07 #2 - Turbo (15 / 15)
- COCI07 #2 - Pravokutni (20 / 20)
- COCI07 #3 - Cetiri (3 / 3)
- COCI07 #3 - Oktalni (3 / 3)
- COCI07 #3 - Tajna (5 / 5)
- COCI07 #3 - Dejavu (7 / 7)
- COCI07 #3 - Redoks (25 / 25)
- COCI07 #4 - Vauvau (5 / 5)
- COCI07 #4 - Veci (5 / 5)
- COCI07 #4 - Lektira (7 / 7)
- COCI07 #4 - Poklon (15 / 15)
- COCI07 #5 - Tri (3 / 3)
- COCI07 #5 - Pascal (5 / 5)
- COCI07 #5 - Jabuke (7 / 7)
- COCI07 #5 - Avogadro (20 / 20)
- COCI07 #5 - Barica (15 / 15)
- COCI07 #5 - Baza (30 / 30)
- COCI07 #6 - Parking (5 / 5)
- COCI07 #6 - Granica (10 / 10)
- COCI07 #6 - Princeza (15 / 15)
- COCI07 #6 - Cestarine (20 / 20)
- COCI07 Regional - Platforme (7 / 7)
- COCI08 #1 - Skocimis (5 / 5)
- COCI08 #1 - Ptice (5 / 5)
- COCI08 #1 - Mravojed (15 / 15)
- COCI08 #1 - Skakavac (30 / 30)
- COCI08 #1 - Krtica (35 / 35)
- COCI08 #2 - Kornislav (5 / 5)
- COCI08 #2 - Reseto (5 / 5)
- COCI08 #2 - Perket (7 / 7)
- COCI08 #2 - Cavli (40 / 40)
- COCI08 #3 - Pet (5 / 5)
- COCI08 #3 - Kemija (5 / 5)
- COCI08 #3 - BST (20 / 20)
- COCI08 #3 - Najkraci (25 / 25)
- COCI08 #4 - Mjehuric (3 / 3)
- COCI08 #4 - Datum (3 / 3)
- COCI08 #4 - Periodni (30 / 30)
- COCI08 #6 - Buka (5 / 5)
- COCI08 #6 - Cuskija (10 / 10)
- COCI08 #6 - Dostava (30 / 30)
- COCI08 #6 - Slicice (30 / 30)
- COCI08 Regional - Majstor (5 / 5)
- COCI08 Regional - Cvjetici (20 / 20)
- COCI09 #1 - Note (3 / 3)
- COCI09 #1 - Domino (5 / 5)
- COCI09 #1 - Dobra (7 / 7)
- COCI09 #1 - Mali (10 / 10)
- COCI09 #1 - Genijalac (17 / 17)
- COCI09 #1 - Aladin (25 / 25)
- COCI09 #2 - Faktor (3 / 3)
- COCI09 #2 - Kutevi (7 / 7)
- COCI09 #2 - Vuk (15 / 15)
- COCI09 #3 - Filip (3 / 3)
- COCI09 #3 - Slatkisi (3 / 3)
- COCI09 #3 - Sort (7 / 7)
- COCI09 #3 - Razgovori (10 / 10)
- COCI09 #3 - Patuljci (17 / 17)
- COCI09 #4 - Autori (3 / 3)
- COCI09 #4 - Planina (5 / 5)
- COCI09 #4 - Iks (15 / 15)
- COCI09 #4 - Ograda (25 / 25)
- COCI09 #4 - Kaboom (12 / 12)
- COCI09 #4 - Palacinke (25 / 25)
- COCI09 #5 - Sok (5 / 5)
- COCI09 #5 - Cudoviste (7 / 7)
- COCI09 #5 - Zuma (20 / 20)
- COCI09 #5 - Program (10 / 10)
- COCI09 #6 - Xor (15 / 15)
- COCI09 #6 - Gremlini (25 / 25)
- COCI09 #7 - Spavanac (5 / 5)
- COCI09 #7 - Cokolada (7 / 7)
- COCI09 #7 - Bakice (12 / 12)
- COCI09 #7 - Svemir (20 / 20)
- COCI09 #7 - Kraljevi (20 / 20)
- COI06 - Patrik (10 / 10)
- COI06 - Policija (30 / 30)
- COI06 - Sabor (20 / 20)
- COI07 - Glasnici (12 / 12)
- COI07 - Kolekcija (20 / 20)
- COI07 - Tamnica (25 / 25)
- COI07 - Umnozak (30 / 30)
- COI08 - Otoci (40 / 40)
- COI08 - Plahte (40 / 40)
- COI09 - Hrastovi (15 / 15)
IOI (1728.7 points)
- IOI '94 - The Triangle (7 / 7)
- IOI '94 - The Castle (10 / 10)
- IOI '94 - The Clocks (10 / 10)
- IOI '96 - A Game (10 / 10)
- IOI '96 - Network of Schools (20 / 20)
- IOI '96 - Longest Prefix (12 / 12)
- IOI '96 - Magic Squares (15 / 15)
- IOI '98 - Contact (15 / 15)
- IOI '98 - Picture (20 / 20)
- IOI '98 - Polygon (15 / 15)
- IOI '99 - Little Shop of Flowers (10 / 10)
- IOI '99 - A Strip of Land (25 / 25)
- IOI '00 - Walls (10 / 10)
- IOI '00 - Palindrome (10 / 10)
- IOI '00 - Post Office (15 / 15)
- IOI '01 - Mobile Phones (15 / 15)
- IOI '01 - Twofive (25 / 25)
- IOI '02 - Utopia Divided (20 / 20)
- IOI '02 - The Troublesome Frog (15 / 15)
- IOI '02 - Batch Scheduling (17 / 17)
- IOI '02 - Bus Terminals (30 / 30)
- IOI '03 - Seeing the Boundary (3.2 / 20)
- IOI '04 - Hermes (15 / 15)
- IOI '04 - Artemis (15 / 15)
- IOI '04 - Farmer (15 / 15)
- IOI '04 - Phidias (10 / 10)
- IOI '04 - Empodia (30 / 30)
- IOI '05 - Mountains (20 / 20)
- IOI '05 - Birthday (20 / 20)
- IOI '05 - Rivers (30 / 30)
- IOI '05 - Garden (30 / 30)
- IOI '05 - Mean Sequence (12 / 12)
- IOI '06 - Deciphering the Mayan Writing (15 / 15)
- IOI '06 - Pyramid (25 / 25)
- IOI '06 - The Valley of Mexico (15 / 15)
- IOI '07 - Flood (30 / 30)
- IOI '07 - Sails (30 / 30)
- IOI '07 - Pairs (30 / 30)
- IOI '07 - Miners (20 / 20)
- IOI '07 - Training (40 / 40)
- IOI '08 - Type Printer (15 / 15)
- IOI '08 - Islands (30 / 30)
- IOI '08 - Fish (40 / 40)
- IOI '08 - Linear Garden (20 / 20)
- IOI '08 - Teleporters (20 / 20)
- IOI '08 - Pyramid Base (40 / 40)
- IOI '09 - Hiring (30 / 30)
- IOI '09 - Salesman (30 / 30)
- IOI '09 - Raisins (15 / 15)
- IOI '09 - Mecho (15 / 15)
- IOI '09 - POI (7 / 7)
- IOI '09 - Garage (10 / 10)
- IOI '10 - Quality of Living (15 / 15)
- IOI '10 - Traffic Congestion (15 / 15)
- IOI '11 - Tropical Garden (25 / 25)
- IOI '11 - Race (30 / 30)
- IOI '11 - Rice Hub (15 / 15)
- IOI '11 - Crocodile's Underground City (17 / 17)
- IOI '11 - Dancing Elephants (30 / 30)
- IOI '12 - Pebbling Odometer (28.8 / 40)
- IOI '12 - Parachute Rings (25 / 25)
- IOI '12 - Crayfish Scrivener (20 / 20)
- IOI '12 - Ideal City (25 / 25)
- IOI '12 - Jousting Tournament (30 / 30)
- IOI '13 - Dreaming (20 / 20)
- IOI '13 - Art Class (29.7 / 30)
- IOI '13 - Wombats (40 / 40)
- IOI '13 - Robots (20 / 20)
- IOI '13 - Game (30 / 30)
- IOI '14 - Wall (25 / 25)
- IOI '14 - Gondola (20 / 20)
- IOI '14 - Friend (25 / 25)
- IOI '14 - Holiday (30 / 30)
- IOI '15 - Boxes with Souvenirs (15 / 15)
- IOI '15 - Teams (30 / 30)
- IOI '15 - Horses (15 / 15)
- IOI '15 - Sorting (20 / 20)
- IOI '16 - Molecules (10 / 10)
- IOI '16 - Railroads (30 / 30)
- IOI '16 - Shortcut (35 / 35)
- IOI '16 - Paint By Numbers (15 / 15)
- IOI '16 - Aliens (40 / 40)
NOI (1165.5 points)
- NOI '97 - Perfect Tour (5 / 5)
- NOI '97 - Satellite Coverage (17 / 17)
- NOI '99 - 01 Sequence (20 / 20)
- NOI '99 - Chessboard Division (15 / 15)
- NOI '99 - Optimally Connected Subset (15 / 15)
- NOI '00 - Trie (7 / 7)
- NOI '01 - Food Chain (15 / 15)
- NOI '01 - Applications of Arctangent (15 / 15)
- NOI '02 - Legend of the Galactic Heroes (15 / 15)
- NOI '02 - The Greedy Kuzuryƫ (25 / 25)
- NOI '03 - Text Editor (30 / 30)
- NOI '03 - Data Generator (20 / 20)
- NOI '04 - The Depressed Cashier (20 / 20)
- NOI '05 - The Magnificent Waltz (20 / 20)
- NOI '05 - CongCong and KoKo (20 / 20)
- NOI '06 - Network Charges (20 / 20)
- NOI '06 - Millennium Worm (25 / 25)
- NOI '06 - Maximum Profit (20 / 20)
- NOI '06 - The Clever Tour Guide (22.5 / 30)
- NOI '07 - Social Network (15 / 15)
- NOI '07 - Cash Exchange (30 / 30)
- NOI '07 - Necklace Factory (30 / 30)
- NOI '07 - Counting Spanning Trees (30 / 30)
- NOI '08 - Masquerade Party (25 / 25)
- NOI '08 - Course Design (30 / 30)
- NOI '08 - Hiring Employees (25 / 25)
- NOI '08 - Olympic Logistics (25 / 25)
- NOI '09 - Transformed Sequence (20 / 20)
- NOI '09 - Modified Treap (20 / 20)
- NOI '09 - Plants vs. Zombies (25 / 25)
- NOI '09 - Pipe Marbles (17 / 17)
- NOI '10 - Energy Harvesting (17 / 17)
- NOI '10 - Super Piano (25 / 25)
- NOI '10 - Altitude (20 / 20)
- NOI '10 - Flight Control (20 / 20)
- NOI '11 - Intelligent Car Racing (25 / 25)
- NOI '11 - Ali's Typewriter (30 / 30)
- NOI '11 - Road Construction (15 / 15)
- NOI '11 - NOI Carnival (25 / 25)
- NOI '12 - Random Number Generator (15 / 15)
- NOI '12 - Highway Cycling (25 / 25)
- NOI '12 - Magic Chessboard (40 / 40)
- NOI '12 - Lost in the Park (20 / 20)
- NOI '12 - Food Festival (30 / 30)
- NOI '13 - Inner Product (20 / 20)
- NOI '13 - Tree Count (25 / 25)
- NOI '13 - Matrix Game (20 / 20)
- NOI '13 - Calligrapher (30 / 30)
- NOI '13 - Fast Food Restaurant (30 / 30)
- NOI '14 - Getting-Up Syndrome (10 / 10)
- NOI '14 - Enchanted Forest (20 / 20)
- NOI '14 - Zoo (15 / 15)
- NOI '14 - Random Number Generator (20 / 20)
- NOI '14 - Ticket Purchase (30 / 30)
Other (342 points)
- APIO07 #3 - Zoo (20 / 20)
- APIO09 #1 - Oil (30 / 30)
- APIO09 #2 - Convention (40 / 40)
- BOI09 - Minesweeper (20 / 20)
- BOI09 - Boxen (20 / 20)
- BOI09 - Frogs (20 / 20)
- BOI09 - Special Sequence (12 / 30)
- BOI09 - Diamonds (20 / 20)
- BOI09 - Monument (20 / 20)
- BOI09 - Rectangle (20 / 20)
- APIO08 #2 - Roads (20 / 20)
- APIO09 #3 - ATM (20 / 20)
- NEERC10 B - Binary Operation (20 / 20)
- NEERC10 C - Cactus Revolution (30 / 30)
- NEERC10 E - Evacuation Plan (15 / 15)
- NEERC10 I - Ideal Path (15 / 15)