User davidhuang68

Points breakdown

100 / 100

AC | C++20

IOI '14 P2 - Wall

on Oct. 8, 2025, 12:27 a.m.

20pp

weighted 100% (20pp)

100 / 100

AC | C++20

IOI '14 P2 - Wall (Standard I/O)

on Oct. 7, 2025, 11:46 p.m.

20pp

weighted 95% (19pp)

15 / 15

AC | PY3

CCC '16 S5 - Circle of Life

on Sept. 16, 2025, 11:17 p.m.

20pp

weighted 90% (18pp)

25 / 25

AC | PY3

CCO '03 P3 - Cube

on Aug. 19, 2025, 11:16 p.m.

20pp

weighted 86% (17pp)

25 / 25

AC | PY3

CCO '17 P5 - Professional Network

on July 22, 2025, 11:55 p.m.

20pp

weighted 81% (16pp)

15 / 15

AC | PY3

CCC '18 S5 - Maximum Strategic Savings

on July 9, 2025, 12:56 a.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++20

IOI '13 P5 - Robots

on May 7, 2025, 12:51 a.m.

20pp

weighted 74% (15pp)

100 / 100

AC | C++20

IOI '13 P5 - Robots (Standard I/O)

on May 7, 2025, 12:09 a.m.

20pp

weighted 70% (14pp)

100 / 100

AC | PYPY3

Educational DP Contest AtCoder X - Tower

on Feb. 19, 2025, 1:15 a.m.

20pp

weighted 66% (13pp)

100 / 100

AC | C++20

IOI '11 P4 - Crocodile's Underground City

on Oct. 28, 2025, 11:36 p.m.

17pp

weighted 63% (11pp)

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S1 - Keeping Score	5 / 5
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '03 J1 - Trident	3 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '04 J1 - Squares	3 / 3
CCC '04 J2 - Terms of Office	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 J4 - Simple Encryption	5 / 5
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 J3 - Returning Home	5 / 5
CCC '05 J5 - Bananas	10 / 10
CCC '05 S1 - Snow Calls	5 / 5
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J2 - Roll the Dice	3 / 3
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J2 - I Speak TXTMSG	3 / 3
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '07 S2 - Boxes	5 / 5
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 S1 - It's Cold Here!	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '09 J1 - ISBN	3 / 3
CCC '09 J2 - Old Fishin' Hole	5 / 5
CCC '09 J3 - Good Times	5 / 5
CCC '09 S1 - Cool Numbers	5 / 5
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J2 - Up and Down	5 / 5
CCC '10 J3 - Punchy	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S3 - Firehose	15 / 15
CCC '10 S4 - Animal Farm	15 / 15
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J4 - Boring Business	7 / 7
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '12 J1 - Speed fines are not fine!	3 / 3
CCC '12 J2 - Sounds fishy!	3 / 3
CCC '12 J3 - Icon Scaling	3 / 3
CCC '12 J4 - Big Bang Secrets	3 / 3
CCC '12 S1 - Don't pass me the ball!	3 / 3
CCC '13 J1 - Next in line	3 / 3
CCC '13 J2 - Rotating letters	3 / 3
CCC '13 J4 - Time on task	5 / 5
CCC '13 S1 - From 1987 to 2013	5 / 5
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S1 - Party Invitation	5 / 5
CCC '14 S2 - Assigning Partners	5 / 5
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J3 - Rövarspråket	5 / 5
CCC '15 S1 - Zero That Out	3 / 3
CCC '16 J1 - Tournament Selection	3 / 3
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 J4 - Arrival Time	5 / 5
CCC '16 S1 - Ragaman	3 / 3
CCC '16 S2 - Tandem Bicycle	5 / 5
CCC '16 S3 - Phonomenal Reviews	12 / 12
CCC '16 S5 - Circle of Life	20 / 20
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '17 J3 - Exactly Electrical	3 / 3
CCC '17 J4 - Favourite Times	5 / 5
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '17 S3 - Nailed It!	7 / 7
CCC '17 S4 - Minimum Cost Flow	17 / 17
CCC '18 J1 - Telemarketer or not?	3 / 3
CCC '18 J2 - Occupy parking	3 / 3
CCC '18 J3 - Are we there yet?	3 / 3
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	10 / 10
CCC '18 S5 - Maximum Strategic Savings	20 / 20
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '20 J1 - Dog Treats	3 / 3
CCC '20 J2 - Epidemiology	3 / 3
CCC '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S4 - Swapping Seats	12 / 12
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 J4 - Arranging Books	7 / 7
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S3 - Lunch Concert	10 / 10
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 J2 - Fergusonball Ratings	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 J5 - Square Pool	10 / 10
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '23 J1 - Deliv-e-droid	3 / 3
CCC '23 J2 - Chili Peppers	3 / 3
CCC '23 J3 - Special Event	5 / 5
CCC '24 J1 - Conveyor Belt Sushi	3 / 3
CCC '24 J2 - Dusa And The Yobis	3 / 3
CCC '24 J3 - Bronze Count	5 / 5
CCC '24 J5 - Harvest Waterloo	7 / 7
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S2 - Heavy-Light Composition	5 / 5
CCC '97 S1 - Sentences	5 / 5
CCC '98 S1 - Censor	5 / 5
CCC '99 S1 - Card Game	5 / 5

Problem	Score
CCO '01 P4 - Breaking Level (Standard I/O)	12 / 12
CCO '03 P3 - Cube	20 / 20
CCO '11 P2 - Vampire Tunnels	15 / 15
CCO '17 P5 - Professional Network	20 / 20
CCO '96 P6 - Hoppers	15 / 15
CCO '99 P6 - Fast Food	3 / 15

Problem	Score
NOI '00 P4 - Trie	7 / 7
NOIP '04 P2 - Combine Fruit	5 / 5

Problem	Score
Sorting	3 / 3
Quine	10 / 10

Problem	Score
COCI '07 Contest 3 #4 Dejavu	7 / 7
COCI '08 Contest 6 #3 Nered	10 / 10
COCI '12 Contest 5 #2 Arhipelag	7 / 7
COCI '13 Contest 1 #4 Lopov	4.500 / 15
COCI '14 Contest 6 #3 Meteor	5.600 / 7
COCI '15 Contest 6 #1 Bela	5 / 5
COCI '17 Contest 1 #2 Tetris	5 / 5
COCI '20 Contest 1 #1 Patkice	5 / 5

User davidhuang68

Points breakdown

Baltic OI (15 points)

CCC (627 points)

CCO (85 points)

CEOI (7 points)

China NOI (12 points)

Classics (13 points)

COCI (49.100 points)

DMOPC (51 points)

DWITE (47 points)

ECOO (14 points)

FHC (20 points)

GFSSOC (14.100 points)

Google Code Jam (5 points)

IOI (195.400 points)

Mock CCC (20 points)

MWC (22 points)

Seasonal (24 points)

SIUCF (5 points)

Uncategorized (405.500 points)

VM7WC (27 points)

Woburn Challenge (49 points)

YAC (15 points)

Problem	Score
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P3 - Not Enough Personnel!	7 / 7
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '17 Contest 5 P2 - Mimi and Binary	5 / 5
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10

Problem	Score
DWITE '07 R3 #3 - Playlist	7 / 7
DWITE '07 R5 #4 - Train ride	7 / 7
DWITE '09 R6 #5 - Air Travel Planning	7 / 7
DWITE '10 R2 #3 - Escape and Loot	5 / 5
DWITE '10 R3 #4 - Forest Fires	7 / 7
DWITE '11 R3 #4 - ABCA Maze	7 / 7
DWITE '11 R5 #2 - Forest Fires	7 / 7

Problem	Score
ECOO '13 R2 P1 - Upsetris	5 / 5
ECOO '15 R1 P2 - Word Wrap	9 / 10

Problem	Score
Facebook Hacker Cup '15 Round 1 P1 - Homework	10 / 10
Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort	10 / 10

Problem	Score
GFSS Christmas Challenge P4 - Coal Counting	2.100 / 7
GFSSOC '15 Fall J3 - Equation Solver	5 / 5
GFSSOC '15 Fall J4 - Marathon	7 / 7

Problem	Score
IOI '09 P3 - POI	7 / 7
IOI '10 P3 - Quality of Living	15 / 15
IOI '10 P3 - Quality of Living (Standard I/O)	15 / 15
IOI '11 P3 - Rice Hub	15 / 15
IOI '11 P3 - Rice Hub (Standard I/O)	15 / 15
IOI '11 P4 - Crocodile's Underground City	17 / 17
IOI '11 P4 - Crocodile's Underground City (Standard I/O)	17 / 17
IOI '13 P2 - Art Class (Standard I/O)	7.400 / 20
IOI '13 P5 - Robots	20 / 20
IOI '13 P5 - Robots (Standard I/O)	20 / 20
IOI '14 P2 - Wall	20 / 20
IOI '14 P2 - Wall (Standard I/O)	20 / 20
IOI '94 P1 - The Triangle	7 / 7

Problem	Score
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles	2 / 5
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7

Problem	Score
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #4 P4: Dealing with Knots	7 / 7
MWC '15 #7 P2: Thief in the Night	5 / 5

Problem	Score
Back To School '18: Letter Frequency	7 / 7
MNYC '17: Hurontario	10 / 10
Valentine's Day '15 P2 - Simon and Marcy	7 / 7

Problem	Score
2spooky4me	7 / 7
Appleby Contest '19 P4 - Rectangles	7 / 7
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P5 - Hacking Grades	7 / 7
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office?	3 / 3
Amplitude Hackathon Summer '24 Problem 2 - Feature Requests	3 / 3
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop	5 / 5
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement	5 / 5
Amplitude Hackathon Summer '24 Practice Problem 1 - Jeffrey's Favorite Integer	3 / 3
A Noisy Class	7 / 7
Avocado Trees!	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Back to School '24 P1 - Kicking	5 / 5
Checkerboard Summation (Easy)	12 / 12
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Dr. Anne Anderson Coding Contest 1 P2 - Pokemon Battles	3 / 3
Dr. Anne Anderson Coding Contest 1 P3 - The Unwritten Rules	5 / 5
Dr. Anne Anderson Coding Contest 1 P4 - Lighting	5 / 5
Dr. Anne Anderson Coding Contest 1 P5 - Guessing Grades	7 / 7
Dr. Anne Anderson Coding Contest 1 P6 - Designing An Academic Course Calendar	10 / 10
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Educational DP Contest AtCoder E - Knapsack 2	7 / 7
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder X - Tower	20 / 20
Fast Factorial Calculator	7 / 7
GlobeX Cup '18 J5 - Errands	10 / 10
HCI '16 - Oversleep	7 / 7
Hello, World!	3 / 3
ICHB Selection Contest '17 Problem 3 - Parallel Universe	12 / 12
Lil' Jami	5 / 5
MCIPC Contest 1 P5 - Rainwater	7 / 7
Modulo Sort	5 / 5
OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance	3 / 3
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 2 P1 - Chess Pieces	3 / 3
OTHS Coding Competition 2 P2 - Ghoul Investigators	3 / 3
OTHS Coding Competition 2 P4 - Magic Barrier	5 / 5
OTHS Coding Competition 2 P5 - Coffee Jelly	7 / 7
OTHS Coding Competition 3 (Mock CCC) S1 - The 5th Laboratory	5 / 5
Path Finder	1.500 / 10
QCC P6 - Freedom!	7 / 7
The Cosmic Era P2 - Uneven Sand	5 / 5
Dynamic Range Minimum Test	12 / 12
Python Infinite Loop	7 / 7
Bubble Sort	7 / 7
The DMOJ Driveway	5 / 5
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
The Contest Contest 1 P1 - A Typical Codeforces Problem	5 / 5
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UACC 1 P3 - Cheeky Checkers	7 / 7
UHCC1 P1 - PONG!	3 / 3
UHCC1 P2 - String	5 / 5
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
WOSS Dual Olympiad 2023 J2: 3 Numbers	5 / 5
WOSS Dual Olympiad 2023 J3/S1: Moving Sand	7 / 7
WOSS Dual Olympiad 2023 Team Round P2: Holding Eggnog	7 / 7
XOR	7 / 7

Problem	Score
VM7WC '15 #2 Silver - 4 Nations, 1 Secret	10 / 10
VM7WC '15 #2 Gold - Uniting the Earth Empire	12 / 12
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5

Problem	Score
WC '02 P2 - Cow-bot	10 / 10
WC '15 Contest 1 S3 - Contest Sites	17 / 17
WC '16 Contest 2 S1 - Most Illogical	10 / 10
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '96 P5 - Plentiful Paths	7 / 7

Problem	Score
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 9 P1 - Permutation Cutting	3 / 5
Yet Another Contest 9 P2 - Nim	7 / 7