User Info: haliu
Name: Jeffrey Niu
About: Piethun
Organization: Glenforest Secondary School
Reputation: -1
289 problems solved.
Total points: 1360.25
General (267.5 points)
- Mispelling (3 / 3)
- Mirrored Pairs (3 / 3)
- Triple Fat Ladies (5 / 5)
- Sorting (5 / 5)
- Max Flow (3 / 3)
- Interleaving Leaves (5 / 5)
- Rock Paper Scissors Fox (3 / 3)
- Foxhole (7 / 7)
- The Super Mario Blues (5 / 5)
- Attack of the Bloons (10 / 10)
- Diablo Bot (15 / 15)
- A Research Project (5 / 5)
- A Careful Reply (5 / 5)
- Kansas (7 / 7)
- Zeroes (10 / 10)
- A plus B (2 / 2)
- Adding Reversed Numbers (5 / 5)
- Coin Change (10 / 10)
- Chocolate Bar (5 / 5)
- Rock Climbing (5 / 5)
- 3n+1 (5 / 5)
- Maximum Sum (7 / 7)
- Longest Increasing Subsequence (10 / 10)
- Super Special Awesome Numbers =D (10 / 10)
- The Missing Link... (7 / 7)
- Trailing Bears! (7 / 7)
- Cyclopian Air (3 / 3)
- Cyclopian Suits (3 / 3)
- Cyclopian Cash (3 / 3)
- Cyclopian Census (5 / 5)
- Shortest Path (5 / 5)
- Shortest Path (10 / 10)
- Factorial Sum List (5 / 5)
- Primes (3 / 3)
- Primes 2 (7.5 / 15)
- Primes 3 (2 / 20)
- Test Median (5 / 5)
- Woburn Idol (3 / 3)
- Grid Sums (3 / 3)
- Connect 4 (3 / 3)
- Encryption Grid (7 / 7)
- Water (3 / 3)
- Earth (3 / 3)
- Fire (5 / 5)
- Trick-or-Treat (5 / 5)
- Brap Lesh Mafia (5 / 5)
- Rabbit Girls (5 / 5)
- Firebending (3 / 3)
- Lil' Jami (7 / 7)
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)
CCC Stage 1 (584 points)
- CCC96S1 - DPA (5 / 5)
- CCC96S3 - Pattern Generator (10 / 10)
- CCC96S4 - When in Rome (10 / 10)
- CCC97S1 - Sentences (5 / 5)
- CCC97S2 - Nasty (5 / 5)
- CCC97S3 - Knockout (10 / 10)
- CCC97S4 - Dictionary (10 / 10)
- CCC98S1 - Censor (5 / 5)
- CCC98S3 - Mars Rover (10 / 10)
- CCC99S1 - Card Game (5 / 5)
- CCC00J3S1 - Slot Machines (5 / 5)
- CCC00S4 - Golf (10 / 10)
- CCC00S5 - Sheep and Coyotes (8 / 20)
- CCC00J1 - Calendar (3 / 3)
- CCC00J2 - 9966 (3 / 3)
- CCC00J4S2 - Babbling Brooks (7 / 7)
- CCC01J2 - Mod Inverse (3 / 3)
- CCC01J3S1 - Keeping Score (5 / 5)
- CCC01S5 - Post's Correspondence (10 / 10)
- CCC01J1 - Dressing Up (3 / 3)
- CCC02J2 - AmeriCanadian (3 / 3)
- CCC02J3S1 - Student Council's Breakfast (5 / 5)
- CCC02J4S2 - Fraction Action (5 / 5)
- CCC02S4 - Bridge Crossing (10 / 10)
- CCC02J1 - 0123456789 (3 / 3)
- CCC03J2 - Picture Perfect (3 / 3)
- CCC03J4S2 - Poetry (5 / 5)
- CCC03S4 - Substrings (2 / 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)
- CCC04J1 - Squares (3 / 3)
- CCC04J2 - Terms of Office (3 / 3)
- CCC05J3 - Returning Home (3 / 3)
- CCC05S2 - Mouse Move (5 / 5)
- CCC05J1 - Cell Sell (3 / 3)
- CCC05J2 - RSA Numbers (3 / 3)
- CCC05S1 - Snow Calls (5 / 5)
- CCC06S1 - Maternity (5 / 5)
- CCC06S2 - Cipher Texts (5 / 5)
- CCC06J1 - Canadian Calorie Counting (3 / 3)
- CCC06J2 - Roll the Dice (3 / 3)
- CCC06J3 - Cell-Phone Messaging (3 / 3)
- CCC07J3 - Deal or No Deal Calculator (3 / 3)
- CCC07J4 - Anagram Checker (5 / 5)
- CCC07J5 - Keep on Truckin' (5 / 5)
- CCC07S4 - Water Park (10 / 10)
- CCC07J1 - Who is in the Middle? (3 / 3)
- CCC07J2 - I Speak TXTMSG (3 / 3)
- CCC07S1 - Federal Voting Age (5 / 5)
- CCC07S2 - Boxes (5 / 5)
- CCC08J2 - Do the Shuffle (3 / 3)
- CCC08J5 - Nukit (7 / 7)
- CCC08S2 - Pennies in the Ring (5 / 5)
- CCC08J1 - Body Mass Index (3 / 3)
- CCC08J3 - GPS Text Entry (3 / 3)
- CCC08S1 - It's Cold Here (5 / 5)
- CCC09J1 - ISBN (3 / 3)
- CCC09J2 - Old Fishin' Hole (5 / 5)
- CCC09J3 - Good Times (5 / 5)
- CCC09J4 - Signage (7 / 7)
- CCC09S1 - Cool Numbers (5 / 5)
- CCC10J1 - What is n, Daddy? (3 / 3)
- CCC10J2 - Up and Down (5 / 5)
- CCC10J3 - Punchy (5 / 5)
- CCC10J5 - Knight Hop (10 / 10)
- CCC10S1 - Computer Purchase (5 / 5)
- CCC10S2 - Huffman Encoding (5 / 5)
- CCC11S1 - English or French? (5 / 5)
- CCC11J1 - Which Alien? (3 / 3)
- CCC11J2 - Who Has Seen the Wind (5 / 5)
- CCC11S2 - Multiple Choice (5 / 5)
- CCC11J3 - Sumac Sequences (5 / 5)
- CCC11J4 - Boring Business (7 / 7)
- CCC12J1 - Speed fines are not fine! (3 / 3)
- CCC12J2 - Sounds fishy! (3 / 3)
- CCC12J3 - Icon Scaling (5 / 5)
- CCC12J4 - Big Bang Secrets (5 / 5)
- CCC12S1 - Don't pass me the ball! (3 / 3)
- CCC12S2 - Aromatic Numbers (5 / 5)
- CCC12S3 - Absolutely Acidic (7 / 7)
- CCC12S5 - Mouse Journey (10 / 10)
- CCC13J1 - Next in Line (3 / 3)
- CCC13J2 - Rotating Letters (5 / 5)
- CCC13J4 - Time on task (5 / 5)
- CCC13J3S1 - From 1987 to 2013 (5 / 5)
- CCC13S2 - Bridge Transport (5 / 5)
- CCC14J1 - Triangle Times (3 / 3)
- CCC14J2 - Vote Count (3 / 3)
- CCC14J3 - Double Dice (3 / 3)
- CCC14J4S1 - Party Invitation (5 / 5)
- CCC14J5S2 - Assigning Partners (5 / 5)
- CCC14S3 - The Geneva Confection (7 / 7)
- Mock CCC14J1 - Love Overdose (3 / 3)
- Mock CCC14J2 - Rope Unfolding (3 / 3)
- Mock CCC14J3 - Clock Hands (5 / 5)
- Mock CCC14S1 - Reverse Find (5 / 5)
- CCC15J1 - Special Day (3 / 3)
- CCC15J2 - Happy or Sad (5 / 5)
- CCC15J3 - Rövarspråket (5 / 5)
- CCC15J4 - Wait Time (5 / 5)
- CCC15J5 - Pi-day (9 / 10)
- CCC15S1 - Zero That Out (5 / 5)
- CCC15S2 - Jerseys (5 / 5)
- CCC15S3 - Gates (7 / 7)
- Mock CCC15J1 - 416 (3 / 3)
- Mock CCC15J2 - Lowest Exam Mark (5 / 5)
- Mock CCC15J3 - Problem-setting Pandemonium (5 / 5)
- Mock CCC15J5 - Royal Guard (2 / 10)
- Mock CCC15S1 - Dupvoting (5 / 5)
- Mock CCC15S2 - Problem-setting Pandemonium (5 / 5)
- CCC16J1 - Tournament Selection (3 / 3)
- CCC16J2 - Magic Squares (5 / 5)
- CCC16J3 - Hidden Palindrome (5 / 5)
COCI/COI (144.75 points)
- COCI06 #1 - Modulo (5 / 5)
- COCI06 #1 - Herman (5 / 5)
- COCI06 #2 - R2 (3 / 3)
- COCI06 #2 - ABC (3 / 3)
- COCI06 #3 - Patuljci (5 / 5)
- COCI06 #4 - Sibice (3 / 3)
- COCI06 #4 - Skener (5 / 5)
- COCI06 #4 - Prsteni (5 / 5)
- COCI06 #5 - Trik (3 / 3)
- COCI06 #6 - Prase (5 / 5)
- COCI07 #1 - Cetvrta (3 / 3)
- COCI07 #2 - Bijele (3 / 3)
- COCI07 #2 - Crne (3 / 3)
- COCI07 #3 - Cetiri (3 / 3)
- COCI07 #3 - Oktalni (3 / 3)
- COCI07 #3 - Cudak (3.75 / 15)
- COCI07 #5 - Tri (3 / 3)
- COCI07 #5 - Pascal (5 / 5)
- COCI07 #6 - Parking (5 / 5)
- COCI08 #1 - Skocimis (5 / 5)
- COCI08 #1 - Ptice (5 / 5)
- COCI08 #2 - Reseto (5 / 5)
- COCI08 #3 - Pet (5 / 5)
- COCI08 #3 - Kemija (5 / 5)
- COCI08 #4 - Mjehuric (3 / 3)
- COCI08 #4 - Datum (3 / 3)
- COCI08 #6 - Buka (5 / 5)
- COCI09 #1 - Note (3 / 3)
- COCI09 #1 - Domino (5 / 5)
- COCI09 #2 - Faktor (3 / 3)
- COCI09 #3 - Filip (3 / 3)
- COCI09 #3 - Slatkisi (3 / 3)
- COCI09 #4 - Autori (3 / 3)
- COCI09 #4 - Planina (5 / 5)
- COCI09 #5 - Sok (5 / 5)
- COCI09 #7 - Spavanac (5 / 5)
DWITE (70 points)
- DWITE Nov '02 - Sales! (5 / 5)
- DWITE Nov '02 - The Five M's of Stats 101 (5 / 5)
- DWITE Nov '02 - Now I know my ABCs (5 / 5)
- Diamonds (5 / 5)
- Count Shapes (10 / 10)
- DWITE Oct '05 - Sum 'Em Up (5 / 5)
- DWITE Oct '07 - Vanilla Primes (5 / 5)
- DWITE Oct '07 - Cubes in a Pyramid (5 / 5)
- DWITE Oct '07 - Where's My QWERTY? (5 / 5)
- DWITE Oct '07 - Stacks of Blocks (10 / 10)
- DWITE Feb '06 - Prime Palindromes (10 / 10)
Woburn Challenge (117 points)
- WC95 - Round Numbers (5 / 15)
- WC95 - Factorial Power (5 / 5)
- WC95 - Coded Message (7 / 7)
- WC96 - Hidden Geography (5 / 5)
- WC96 - Plentiful Paths (10 / 10)
- WC96 - Bases Multiplication (5 / 5)
- WC97 - Typing (5 / 5)
- WC01 - Back to the Future (5 / 5)
- WC01 - Mission Impossible 3 (5 / 10)
- WC02 - A Planning Session (5 / 5)
- WC15 #1 - Do You Know Your Woburn Colours? (3 / 3)
- WC15 #1 - Grouping Recruits (5 / 5)
- WC15 #1 - Jazz Concert (5 / 5)
- WC15 #2 - A New Hope (3 / 3)
- WC15 #2 - The Empire Strikes Back (5 / 5)
- WC15 #2 - Return of the Jedi (5 / 5)
- WC15 #3 - Battle Predictions (3 / 3)
- WC15 #3 - Electroshock Therapy (5 / 5)
- WC15 #4 - Telling Time (3 / 3)
- WC15 #4 - Mission Briefing (7 / 7)
- WC15 Finals - Vertical Posting (3 / 3)
- WC16 #1 - A Spooky Season (3 / 3)
- WC16 #1 - Frankenstein's Monster (5 / 5)
- WC16 #2 - The Perfect Mate (5 / 5)
