User Info: bbi5291
Name: Brian Bi
About: the buck stops here
Organization: Administrators
Reputation: 6085
14 problems authored.
- Traffic Lights
- Rubik's Cube Solver
- Hard Question
- Segment Tree Test
- Sudoku Challenge
- Divisibility Rules
- Recurrence Solver
- Checkerboard Summation (Hard)
- Revenge of the Clocks
- Checkerboard Summation (Easy)
- Intervals
- Detectors
- Scansion
- TC
328 problems solved.
Total points: 3334.11
General (496 points)
- Sorting (5 / 5)
- Rock Paper Scissors Fox (3 / 3)
- The Foxen's Treasure (7 / 7)
- Foxhole (7 / 7)
- Reverse Fox Hunt (10 / 10)
- Foxling Feeding Frenzy (15 / 15)
- Foxic Expressions (15 / 15)
- The Super Mario Blues (5 / 5)
- Attack of the Bloons (10 / 10)
- Homemade Asteroids (10 / 10)
- Diablo Bot (15 / 15)
- MVP (15 / 15)
- Light Cyclin' (20 / 20)
- Rank (10 / 10)
- Expression (15 / 15)
- Cube (20 / 20)
- A plus B (2 / 2)
- A plus B 2 (15 / 15)
- Chocolate Bar (5 / 5)
- Shortest Code (10 / 10)
- Travelling Salesmen (10 / 10)
- Shortest Path (10 / 10)
- Cable TV (15 / 15)
- Guess the Number (5 / 5)
- Distinct Prime Factors (7 / 7)
- Benergy Transfer (10 / 10)
- Pie Shop (17 / 17)
- Kuuhaku Numbers (25 / 25)
- English Essay (24 / 30)
- Electricity Grid (25 / 25)
- Campfire Cooking (40 / 40)
- N-K Special (20 / 20)
- Machined Surfaces (5 / 5)
- Factorial Sum List (5 / 5)
- Circular Numbers (10 / 10)
- There's a Hole in the Bucket (10 / 10)
- Prime Bag (23 / 23)
- Primes (3 / 3)
- Primes 2 (15 / 15)
- Woburn Idol (3 / 3)
Bluebook (122 points)
- BlueBook - Cost (3 / 3)
- BlueBook - Pay (4 / 4)
- BlueBook - Max is Last (3 / 3)
- BlueBook - World Pop (3 / 3)
- BlueBook - Power Base (3 / 3)
- BlueBook - Powers of 2 (3 / 3)
- BlueBook - Find the Character (3 / 3)
- BlueBook - Pop Explosion (3 / 3)
- BlueBook - Digits and Sums (3 / 3)
- BlueBook - Exact Divisors (3 / 3)
- BlueBook - 10 Primes on a Line (5 / 5)
- BlueBook - Bills Bills Bills (7 / 7)
- BlueBook - Payment (3 / 3)
- BlueBook - Mode (4 / 4)
- BlueBook - Magic Square (4 / 4)
- BlueBook - Triangle (3 / 3)
- BlueBook - Sieve (4 / 4)
- BlueBook - Voting (4 / 4)
- BlueBook - First Blank (3 / 3)
- BlueBook - Digits (3 / 3)
- BlueBook - Lower Case (3 / 3)
- BlueBook - Prime (4 / 4)
- BlueBook - Days (3 / 3)
- BlueBook - Calculator (5 / 5)
- BlueBook - Cross Country (3 / 3)
- BlueBook - Direction (3 / 3)
- BlueBook - Change (3 / 3)
- BlueBook - Times Tables (3 / 3)
- BlueBook - Interest (3 / 3)
- BlueBook - Column of Numbers (3 / 3)
- BlueBook - Max (3 / 3)
- BlueBook - Min (3 / 3)
- BlueBook - Grades (3 / 3)
- BlueBook - Leap Year (3 / 3)
- BlueBook - Multiple (3 / 3)
- BlueBook - Equation (3 / 3)
Challenges (199.67 points)
- Clique (15 / 15)
- Geometric Sequence (10 / 10)
- Dominoes (25 / 25)
- Digger (15 / 15)
- Return of the Digger (15 / 15)
- Revenge of the Digger (20 / 20)
- Bus Stops (10 / 10)
- Pipe Dream (15 / 15)
- What a Niche (4.67 / 10)
- Presents (10 / 10)
- Sleigh Ride (10 / 10)
- Lego (20 / 20)
- Battleships (10 / 10)
- Coding Spree (10 / 10)
- Foxlings (10 / 10)
CCC Stage 1 (776 points)
- CCC96S1 - DPA (5 / 5)
- CCC96S2 - Divisibility by 11 (5 / 5)
- CCC96S3 - Pattern Generator (10 / 10)
- CCC96S4 - When in Rome (10 / 10)
- CCC96S5 - Max Distance (10 / 10)
- CCC97S1 - Sentences (5 / 5)
- CCC97S2 - Nasty (5 / 5)
- CCC97S3 - Knockout (10 / 10)
- CCC97S4 - Dictionary (10 / 10)
- CCC97S5 - Division (10 / 10)
- CCC98S1 - Censor (5 / 5)
- CCC98S3 - Mars Rover (10 / 10)
- CCC98S4 - Lottery (10 / 10)
- CCC98S5 - Mountain Passage (10 / 10)
- CCC99S1 - Card Game (5 / 5)
- CCC99S2 - Year 2000 (10 / 10)
- CCC99S3 - Divided Fractals (10 / 10)
- CCC99S4 - Knightly Pursuit (10 / 10)
- CCC99S5 - Letter Arithmetic (15 / 15)
- CCC00J3S1 - Slot Machines (5 / 5)
- CCC00J5S3 - Surfing (10 / 10)
- CCC00S4 - Golf (10 / 10)
- CCC00S5 - Sheep and Coyotes (20 / 20)
- CCC00J2 - 9966 (3 / 3)
- CCC00J4S2 - Babbling Brooks (7 / 7)
- CCC01J2 - Mod Inverse (3 / 3)
- CCC01J3S1 - Keeping Score (5 / 5)
- CCC01J5S3 - Strategic Bombing (10 / 10)
- CCC01S4 - Cookies (10 / 10)
- CCC01S5 - Post's Correspondence (10 / 10)
- CCC01J1 - Dressing Up (3 / 3)
- CCC01J4S2 - Spirals (5 / 5)
- CCC02J2 - AmeriCanadian (3 / 3)
- CCC02J3S1 - Student Council's Breakfast (5 / 5)
- CCC02J4S2 - Fraction Action (5 / 5)
- CCC02J5S3 - Blindfold (5 / 5)
- CCC02S4 - Bridge Crossing (10 / 10)
- CCC02S5 - Bouncing Ball (10 / 10)
- CCC02J1 - 0123456789 (3 / 3)
- CCC03J2 - Picture Perfect (3 / 3)
- CCC03J4S2 - Poetry (5 / 5)
- CCC03S4 - Substrings (20 / 20)
- CCC03S5 - Trucking Troubles (20 / 20)
- CCC03J1 - Trident (3 / 3)
- CCC03J3S1 - Snakes and Ladders (5 / 5)
- CCC03J5S3 - Floor Plan (10 / 10)
- CCC04J3 - Smile with Similes (3 / 3)
- CCC04J4 - Simple Encryption (5 / 5)
- CCC04S1 - Fix (5 / 5)
- CCC04S3 - Spreadsheet (10 / 10)
- CCC04J1 - Squares (3 / 3)
- CCC04J2 - Terms of Office (3 / 3)
- CCC04J5 - Fractals (10 / 10)
- CCC04S4 - Space Turtle (12 / 12)
- CCC04S5 - Super Plumber (12 / 12)
- CCC05J3 - Returning Home (3 / 3)
- CCC05J5 - Bananas (10 / 10)
- CCC05S2 - Mouse Move (5 / 5)
- CCC05S4 - Pyramid Messaging Scheme (10 / 10)
- CCC05J1 - Cell Sell (3 / 3)
- CCC05J2 - RSA Numbers (3 / 3)
- CCC05S1 - Snow Calls (5 / 5)
- CCC05S5 - Pinball Ranking (20 / 20)
- CCC06J1 - Canadian Calorie Counting (3 / 3)
- CCC06J2 - Roll the Dice (3 / 3)
- CCC06S4 - Groups (10 / 10)
- CCC06S5 - Origin of Life (15 / 15)
- CCC07J3 - Deal or No Deal Calculator (3 / 3)
- CCC07J4 - Anagram Checker (5 / 5)
- CCC07S4 - Water Park (10 / 10)
- CCC07S5 - Bowling for Numbers (10 / 10)
- CCC07J1 - Who is in the Middle? (3 / 3)
- CCC07J2 - I Speak TXTMSG (3 / 3)
- CCC07S1 - Federal Voting Age (5 / 5)
- CCC07S3 - Friends (10 / 10)
- CCC08J4 - From Prefix to Postfix (7 / 7)
- CCC08J5 - Nukit (7 / 7)
- CCC08S2 - Pennies in the Ring (5 / 5)
- CCC08S3 - Maze (10 / 10)
- CCC08S4 - Twenty-four (10 / 10)
- CCC08S5 - Nukit (10 / 10)
- CCC08J1 - Body Mass Index (3 / 3)
- CCC08J3 - GPS Text Entry (3 / 3)
- CCC08S1 - It's Cold Here (5 / 5)
- 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)
- CCC10S1 - Computer Purchase (5 / 5)
- CCC10S2 - Huffman Encoding (5 / 5)
- CCC10S3 - Firehose (15 / 15)
- CCC10S4 - Animal Farm (15 / 15)
- CCC10S5 - Nutrient Tree (12 / 20)
- CCC11J1 - Which Alien? (3 / 3)
- CCC11J2 - Who Has Seen the Wind (5 / 5)
- CCC11J3 - Sumac Sequences (5 / 5)
- CCC11J4 - Boring Business (7 / 7)
- CCC11J5 - Unfriend (7 / 7)
CCC Stage 2 (486 points)
- CCC99 Stage 2 - Can't Get There (20 / 20)
- CCC99 Stage 2 - Common Words (10 / 10)
- CCC99 Stage 2 - Mandelzuma (20 / 20)
- CCC99 Stage 2 - Maple Roundup (10 / 10)
- CCC99 Stage 2 - Sum of Products (10 / 10)
- CCC03 Stage 2 - BFed (10 / 10)
- CCC03 Stage 2 - Constrained Permutations (10 / 10)
- CCC03 Stage 2 - Longest Substring (20 / 20)
- CCC04 Stage 2 - Jengaism (10 / 10)
- CCC06 Stage 2 - CN Tower (10 / 10)
- CCC06 Stage 2 - R & J (10 / 10)
- CCC07 Stage 2 - Cows (10 / 10)
- CCC07 Stage 2 - Snowflakes (10 / 10)
- CCC07 Stage 2 - Road Construction (20 / 20)
- CCC08 Stage 2 - Moving Day (10 / 10)
- CCC08 Stage 2 - King & Weber (20 / 20)
- CCC08 Stage 2 - Herding (10 / 10)
- CCC08 Stage 2 - Mobile (17 / 17)
- CCC09 Stage 2 - Parade (30 / 30)
- CCC09 Stage 2 - A Weighty Problem (20 / 20)
- CCC10 Stage 2 - Barking Dogs! (10 / 10)
- CCC10 Stage 2 - Tree Pruning (15 / 15)
- CCC10 Stage 2 - Computer Purchase Return (10 / 10)
- CCC10 Stage 2 - Shuffle (10 / 10)
- CCC10 Stage 2 - Wowow (20 / 20)
- CCC10 Stage 2 - Space Miner (15 / 15)
- CCC11 Stage 2 - Putnam (7 / 7)
- CCC11 Stage 2 - Vampire Tunnels (15 / 15)
- CCC11 Stage 2 - Spies Like Us (10 / 10)
- CCC11 Stage 2 - Reorganization (15 / 15)
- CCC11 Stage 2 - Biggest (Zero Carbon) Footprint (25 / 25)
- CCC14 Stage 2 - King Gruff (15 / 15)
- CCC14 Stage 2 - Werewolf (25 / 25)
- CCC14 Stage 2 - Where's That Fuel? (7 / 7)
COCI/COI (140 points)
- COCI06 #1 - Herman (5 / 5)
- COCI06 #2 - ABC (3 / 3)
- COCI06 #2 - Kolone (7 / 7)
- COCI06 #3 - Bicikli (3 / 15)
- COCI06 #6 - Kamen (9 / 15)
- COCI07 #2 - Pravokutni (20 / 20)
- COCI07 #5 - Tri (3 / 3)
- COCI08 #1 - Skocimis (5 / 5)
- COCI08 #1 - Ptice (5 / 5)
- COCI08 #1 - Mravojed (15 / 15)
- COCI08 #1 - Skakavac (30 / 30)
- COCI08 #2 - Kornislav (5 / 5)
- COCI08 #2 - Reseto (5 / 5)
- COCI08 #2 - Perket (7 / 7)
- COCI08 #3 - Pet (5 / 5)
- COCI08 #3 - Kemija (5 / 5)
- COCI08 #4 - Mjehuric (3 / 3)
- COCI08 #6 - Buka (5 / 5)
IOI (162 points)
- IOI '94 - The Buses (20 / 20)
- IOI '94 - The Circle (17 / 17)
- IOI '98 - Polygon (15 / 15)
- IOI '99 - Hidden Codes (20 / 20)
- IOI '99 - Traffic Lights (15 / 15)
- IOI '99 - Little Shop of Flowers (10 / 10)
- IOI '00 - Palindrome (10 / 10)
- IOI '05 - Mountains (20 / 20)
- IOI '06 - Deciphering the Mayan Writing (15 / 15)
- IOI '07 - Miners (20 / 20)
Woburn Challenge (546.44 points)
- WC95 - Round Numbers (5 / 15)
- WC95 - Smallest Latin Square (10 / 10)
- WC95 - Factorial Power (5 / 5)
- WC95 - Coded Message (7 / 7)
- WC95 - Wildcard (10 / 10)
- WC96 - Fishes in a Tank (5 / 5)
- WC96 - Row and Column (7 / 7)
- WC96 - Hidden Geography (5 / 5)
- WC96 - Plentiful Paths (10 / 10)
- WC96 - Bases Multiplication (5 / 5)
- WC97 - Searching Quickly (10 / 10)
- WC97 - Power of Cryptography (20 / 20)
- WC97 - Stacks of Flapjacks (12.44 / 15)
- WC97 - Typing (5 / 5)
- WC98 - Optical Recognition (10 / 10)
- WC98 - The Hutts Strike Back (10 / 10)
- WC98 - GATTACA (18 / 20)
- WC98 - Y2K (10 / 10)
- WC98 - Return of the Plachta (10 / 10)
- WC98 - Do or Do Not (10 / 10)
- WC99 - The Matrix (5 / 5)
- WC99 - Mission Impossible (10 / 10)
- WC99 - The Godfather (10 / 10)
- WC99 - Goldfinger (10 / 10)
- WC99 - Good Will Hunting (10 / 10)
- WC99 - Fight Club (10 / 10)
- WC99 - The Rock (15 / 15)
- WC99 - S - World (25 / 25)
- WC99 - S - Message (25 / 25)
- WC99 - S - Good Ethan Hunt (25 / 25)
- WC99 - S - Wedding Juicer (25 / 25)
- WC01 - Back to the Future (5 / 5)
- WC01 - The Man With The Golden Eye (10 / 10)
- WC01 - Mission Impossible 3 (10 / 10)
- WC01 - Time to Get Medieval (10 / 10)
- WC01 - S - Survivor (10 / 10)
- WC01 - S - Temptation Island (10 / 10)
- WC01 - S - The Mole (20 / 20)
- WC01 - S - Blind Date (20 / 20)
- WC01 - S - Regis (7 / 7)
- WC02 - A Planning Session (5 / 5)
- WC02 - Cow-bot (10 / 10)
- WC02 - It's Party Time (5 / 5)
- WC02 - Intercepted Cowmmunication (5 / 5)
- WC02 - Old Macdonald's Farm (10 / 10)
- WC02 - Deploying Troops (10 / 10)
- BitStrings (10 / 10)
- Drain Game (15 / 15)
- WC15 #4 - Stakeout (20 / 20)
Other (300 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 (30 / 30)
- BOI09 - Diamonds (20 / 20)
- BOI09 - Rectangle (20 / 20)
- ACSL Blokus (Senior) (10 / 10)
- APIO08 #2 - Roads (20 / 20)
- APIO09 #3 - ATM (20 / 20)
- Sales (30 / 30)