User Info: alextxu
Name: Alex Tianyi Xu
Organization: White Oaks Secondary School
149 problems solved.
Total points: 1664.14
General (149.11 points)
- Sorting (5 / 5)
- Light Cyclin' (20 / 20)
- Rank (10 / 10)
- A plus B (2 / 2)
- A plus B 2 (15 / 15)
- Coin Change (10 / 10)
- Maximum Sum (7 / 7)
- A Game (10 / 10)
- Longest Increasing Subsequence (10 / 10)
- King Graff's Trip (9.11 / 15)
- Shortest Path (5 / 5)
- Connected Components (10 / 10)
- Directed Acyclic Graph (10 / 10)
- Shortest Path (10 / 10)
- Encryption Grid (7 / 7)
- Economy (3 / 3)
- Budget (3 / 3)
- TTC (3 / 3)
CCC Stage 1 (165 points)
- CCC01J4S2 - Spirals (5 / 5)
- CCC02J4S2 - Fraction Action (5 / 5)
- CCC03S4 - Substrings (20 / 20)
- CCC04S5 - Super Plumber (12 / 12)
- CCC05J5 - Bananas (10 / 10)
- CCC07J5 - Keep on Truckin' (5 / 5)
- CCC08J4 - From Prefix to Postfix (7 / 7)
- CCC09S1 - Cool Numbers (5 / 5)
- CCC10S5 - Nutrient Tree (20 / 20)
- CCC11J4 - Boring Business (7 / 7)
- CCC14J3 - Double Dice (3 / 3)
- Mock CCC14J1 - Love Overdose (3 / 3)
- Mock CCC14S1 - Reverse Find (5 / 5)
- Mock CCC14S4 - Roadtrip Tracking (15 / 15)
- CCC15S1 - Zero That Out (5 / 5)
- Mock CCC15J2 - Lowest Exam Mark (5 / 5)
- CCC16J1 - Tournament Selection (3 / 3)
- CCC16J2 - Magic Squares (5 / 5)
- CCC16J3 - Hidden Palindrome (5 / 5)
- CCC16J4 - Arrival Time (5 / 5)
- CCC16J5S2 - Tandem Bicycle (7 / 7)
- CCC17J1 - Quadrant Selection (3 / 3)
- CCC17J2 - Shifty Sum (5 / 5)
CCC Stage 2 (766.02 points)
- CCC00 Stage 2 - Game of 31 (10 / 10)
- CCC03 Stage 2 - BFed (10 / 10)
- CCC03 Stage 2 - Constrained Permutations (10 / 10)
- CCC03 Stage 2 - Longest Substring (14 / 20)
- CCC03 Stage 2 - Cheap Gas (20 / 20)
- CCC05 Stage 2 - Primed Sequences (15 / 15)
- CCC05 Stage 2 - Number Matrix (10 / 10)
- CCC06 Stage 2 - CN Tower (10 / 10)
- CCC06 Stage 2 - Domino (8.75 / 30)
- CCC06 Stage 2 - Paint by Numbers (27 / 30)
- 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 - Moving Day (10 / 10)
- CCC08 Stage 2 - King & Weber (20 / 20)
- CCC08 Stage 2 - Herding (10 / 10)
- CCC08 Stage 2 - Landing (20.27 / 50)
- CCC08 Stage 2 - Mobile (17 / 17)
- CCC08 Stage 2 - Candy (20 / 20)
- CCC09 Stage 2 - Invasion of the Boxen (20 / 20)
- CCC09 Stage 2 - Dinner (40 / 40)
- CCC09 Stage 2 - Beware the Geoducks (20 / 20)
- CCC09 Stage 2 - Parade (12 / 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 - 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 - Mhocskian Languages (20 / 20)
- CCC12 Stage 2 - Editor Distance (10 / 10)
- CCC12 Stage 2 - Sample Size (10 / 10)
- CCC13 Stage 2 - All Your Base Are Belong To Palindromes (10 / 10)
- CCC13 Stage 2 - Tourney (15 / 15)
- CCC13 Stage 2 - LHC (17 / 17)
- 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)
- CCO15 - Artskjid (15 / 15)
- CCO15 - Cars on Ice (9 / 15)
- CCO15 - Timpanist (20 / 20)
IOI (246 points)
- IOI '94 - The Castle (10 / 10)
- IOI '94 - The Clocks (10 / 10)
- IOI '95 - Street Race (15 / 15)
- IOI '96 - A Game (10 / 10)
- IOI '96 - Sorting a Three-Valued Sequence (10 / 10)
- IOI '98 - Party Lamps (15 / 15)
- IOI '98 - Polygon (15 / 15)
- IOI '00 - Walls (10 / 10)
- IOI '00 - Palindrome (10 / 10)
- IOI '00 - Post Office (15 / 15)
- IOI '02 - The Troublesome Frog (15 / 15)
- IOI '02 - Batch Scheduling (17 / 17)
- IOI '04 - Hermes (15 / 15)
- IOI '04 - Artemis (15 / 15)
- IOI '04 - Farmer (15 / 15)
- IOI '04 - Phidias (10 / 10)
- IOI '04 - Empodia (19 / 30)
- IOI '11 Practice Task - Hottest (5 / 5)
- IOI '11 - Rice Hub (15 / 15)
Woburn Challenge (225.02 points)
- WC96 - Bases Multiplication (5 / 5)
- WC16 Finals - Fencing (5 / 5)
- WC17 #1 - On the Rocks (7 / 7)
- WC17 #1 - Ride the Rocket (11 / 11)
- WC17 #1 - Crosscountry Canada (10.71 / 12)
- WC17 #2 - Keeping Score (10 / 10)
- WC17 #2 - Don't Follow the Lights (12 / 12)
- WC17 #2 - Battle of the Pelennor FIelds (13 / 13)
- WC17 #3 - Mutual Friends (2.31 / 10)
- WC17 #3 - GleamingProudChickenFunRun (2.61 / 12)
- WC17 #4 - Wakandan Sabotage (11 / 11)
- WC17 #4 - Strange Travels (12 / 12)
- WC17 #4 - Guardians of the Cash (15 / 15)
- WC17 #4 - Alpha Nerd (5.84 / 18)
- WC18 #1 - Inspiration (7 / 7)
- WC18 #1 - Essay Generator (10 / 10)
- WC18 #1 - Reach for the Top (8.89 / 12)
- WC18 #1 - Bad Influence (8.25 / 15)
- WC18 #2 - Laser Grid (7 / 7)
- WC18 #2 - Plutonium (12 / 12)
- WC18 #2 - Multitasking (1.8 / 15)
- WC18 #2 - Car Convergence Chaos (4.76 / 25)
- WC18 #4 - World of StarCraft (10 / 10)
- WC18 #4 - Farming Simulator (14 / 14)
- WC18 #4 - Dance Royale (15 / 15)
- WC18 #4 - Super Luigi Odyssey (3.85 / 25)
