User Aaron_Gao_2023

Points breakdown

25 / 25

AC | C++20

CCO '08 P6 - Landing

on May 31, 2026, 3:57 a.m.

45pp

weighted 100% (45pp)

100 / 100

AC | C++20

APIO '16 P2 - Fireworks

on May 31, 2026, 4:29 a.m.

40pp

weighted 95% (38pp)

280 / 280

AC | C++20

IOI '07 P6 - Training

on May 31, 2026, 3:41 a.m.

40pp

weighted 90% (36pp)

100 / 100

AC | C++20

IOI '14 P5 - Friend (Standard I/O)

on May 31, 2026, 3:37 a.m.

30pp

weighted 86% (26pp)

100 / 100

AC | C++20

IOI '04 P6 - Empodia

on May 31, 2026, 3:32 a.m.

30pp

weighted 81% (24pp)

15 / 15

AC | JAVA8

CCC '16 S5 - Circle of Life

on Nov. 5, 2023, 2:54 a.m.

20pp

weighted 77% (15pp)

30 / 30

AC | JAVA8

CCC '19 S4 - Tourism

on Feb. 5, 2022, 5:21 p.m.

20pp

weighted 74% (15pp)

150 / 150

AC | JAVA8

CCC '14 S5 - Lazy Fox

on Jan. 31, 2022, 6:53 p.m.

20pp

weighted 70% (14pp)

15 / 15

AC | JAVA8

CCC '18 S5 - Maximum Strategic Savings

on Jan. 30, 2022, 2:43 a.m.

20pp

weighted 66% (13pp)

5 / 5

AC | C++20

Good Debugging

on Dec. 18, 2023, 7:34 p.m.

17pp

weighted 63% (11pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
An Animal Contest 3 P3 - Monkey Market	7 / 7
An Animal Contest 4 P1 - Dasher's Digits	5 / 5
An Animal Contest 4 P2 - Lavish Lights	10 / 10
An Animal Contest 4 P3 - Snowy Slopes	10 / 10
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 6 P2 - G-Pop	3.500 / 7

Problem	Score
Another Contest 8 Problem 1 - Trash Push	3 / 3
Another Contest 8 Problem 2 - Unnecessary Trash Push	3 / 3

Problem	Score
Baltic OI '03 P4 - The Gangs	12 / 12
Baltic OI '03 P5 - Lamps	15 / 15
Baltic OI '07 P2 - Sorting	12 / 40

Problem	Score
CCC '00 S4 - Golf	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	4 / 10
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S2 - Poetry	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S5 - Trucking Troubles	10 / 10
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 '04 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '04 S5 - Super Plumber	10 / 10
CCC '05 J1 - The Cell Sell	2.200 / 3
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 '05 S2 - Mouse Move	5 / 5
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '06 S3 - Tin Can Telephone	6 / 12
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '07 S3 - Friends	7 / 7
CCC '07 S4 - Waterpark	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 J4 - From Prefix to Postfix	7 / 7
CCC '08 S1 - It's Cold Here!	1.500 / 3
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S5 - Nukit	10 / 10
CCC '09 J1 - ISBN	3 / 3
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J2 - Up and Down	5 / 5
CCC '10 J4 - Global Warming	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	4.688 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '10 S3 - Firehose	12 / 15
CCC '10 S4 - Animal Farm	15 / 15
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J2 - Who Has Seen The Wind	5 / 5
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J4 - Boring Business	7 / 7
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S4 - Blood Distribution	15 / 15
CCC '11 S5 - Switch	10.800 / 12
CCC '12 J1 - Speed fines are not fine!	3 / 3
CCC '12 J4 - Big Bang Secrets	3 / 3
CCC '12 S1 - Don't pass me the ball!	3 / 3
CCC '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	7 / 7
CCC '12 S4 - A Coin Game	15 / 15
CCC '12 S5 - Mouse Journey	7 / 7
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 '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
CCC '13 S5 - Factor Solitaire	15 / 15
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
CCC '14 S1 - Party Invitation	5 / 5
CCC '14 S2 - Assigning Partners	5 / 5
CCC '14 S3 - The Geneva Confection	6.562 / 7
CCC '14 S4 - Tinted Glass Window	7 / 15
CCC '14 S5 - Lazy Fox	20 / 20
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 '15 S3 - Gates	10 / 10
CCC '15 S4 - Convex Hull	15 / 15
CCC '15 S5 - Greedy For Pies	17 / 17
CCC '16 J1 - Tournament Selection	3 / 3
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 S1 - Ragaman	3 / 3
CCC '16 S2 - Tandem Bicycle	5 / 5
CCC '16 S3 - Phonomenal Reviews	12 / 12
CCC '16 S4 - Combining Riceballs	15 / 15
CCC '16 S5 - Circle of Life	20 / 20
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
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 J5 - Choose your own path	7 / 7
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	10 / 10
CCC '18 S4 - Balanced Trees	15 / 15
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 S2 - Pretty Average Primes	5 / 5
CCC '19 S3 - Arithmetic Square	3 / 12
CCC '19 S4 - Tourism	20 / 20
CCC '20 J1 - Dog Treats	3 / 3
CCC '20 J2 - Epidemiology	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 S3 - Searching for Strings	9 / 12
CCC '20 S4 - Swapping Seats	6.400 / 12
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S3 - Lunch Concert	10 / 10
CCC '21 S4 - Daily Commute	12 / 12
CCC '21 S5 - Math Homework	6.562 / 15
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 J5 - Square Pool	5.300 / 10
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '22 S3 - Good Samples	10 / 10
CCC '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '98 S1 - Censor	5 / 5
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
CCCHK '15 J3 - Queens can't attack me!	5 / 5
CCCHK '15 S1 - Finding number of pairs	4.200 / 7

Problem	Score
CCO '08 P6 - Landing	45 / 45
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '12 P2 - The Hungary Games	15 / 15
CCO '12 P5 - Sample Size	7 / 7
CCO '16 P5 - Zombie Apocalypse	3.462 / 15
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '96 P5 - All Roads Lead Where?	7 / 7

User Aaron_Gao_2023

Points breakdown

AAC (62.500 points)

ACC (6 points)

APIO (40 points)

Baltic OI (39 points)

CCC (962.212 points)

CCO (97.462 points)

Classics (32 points)

COCI (62.836 points)

Data Structure Tests (25 points)

DMOPC (260.150 points)

DWITE (36 points)

ECOO (25 points)

GFSSOC (47 points)

ICPC (10 points)

IOI (119.900 points)

Mock CCC (73 points)

MWC (24 points)

Olympiads School (7 points)

POI (12 points)

SAC Coding Challenge (32 points)

Seasonal (41.700 points)

TLE (15 points)

TSOC (41 points)

Uncategorized (380.410 points)

VM7WC (60 points)

Woburn Challenge (82 points)

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '14 Contest 2 #2 Utrka	5 / 5
COCI '14 Contest 5 #3 Traktor	7 / 7
COCI '15 Contest 2 #2 Geppetto	7 / 7
COCI '15 Contest 3 #1 Pot	5 / 5
COCI '20 Contest 6 #2 Alias	10 / 10
COCI '22 Contest 4 #5 Vrsta	8.836 / 12

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P3 - Crossing Field	5.600 / 7
DMOPC '14 Contest 1 P1 - Median Mark	5 / 5
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P4 - Deforestation	7 / 7
DMOPC '14 Contest 3 P3 - Not Enough Personnel!	7 / 7
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P3 - Golden Lily	6.250 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 1 P4 - Quests	12 / 12
DMOPC '17 Contest 2 P2 - Balance	5 / 5
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
DMOPC '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '18 Contest 3 P2 - Bob and French Class	7 / 7
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 1 P0 - Range Finding	3 / 3
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	1.500 / 5
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 2 P2 - Scrambling Swaps	3.500 / 7
DMOPC '21 Contest 3 P1 - Sums & Differences	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 5 P3 - Permutations & Primes	12 / 12
DMOPC '21 Contest 5 P4 - Permutations & Primes	17 / 17
DMOPC '21 Contest 6 P1 - Bigger Big Integer	3 / 3
DMOPC '21 Contest 6 P2 - Gacha Luck	7 / 7
DMOPC '21 Contest 6 P3 - An Art Problem	1.300 / 10
DMPG '17 S2 - Anime Conventions	10 / 10
DMPG '18 G1 - Musical Chairs	3 / 10

Problem	Score
DWITE '07 R3 #3 - Playlist	7 / 7
DWITE '07 R5 #2 - Number of factors	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '11 R4 #2 - Prime Time	5 / 5

Problem	Score
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5
ECOO '21 P2 - DNA Derren	3 / 3

Problem	Score
GFSSOC '14 Winter J5 - Pursuit of Knowledge	10 / 10
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S2 - Hearth	5 / 5
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15
GFSSOC '15 Winter J5 - Secret Santa	7 / 7

Problem	Score
ACM U of T Tryouts C3 A - A Research Project	3 / 3
ICPC PACNW 2016 A - Alphabet	7 / 7

Problem	Score
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass	5 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem	7 / 7
Mock CCC '18 Contest 1 S4 - A Graph Problem	12 / 12
Mock CCC '18 Contest 3 S4 - A Graph Problem	10 / 10
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card	3 / 3
Mock CCC '22 1 S1 - Big Mattress Tournament	5 / 5
Mock CCC '22 1 S2 - IU	5 / 5
Valentine's Day '18 J4 & S1 - Carol's Cute Cactus	7 / 7

Problem	Score
MWC '15 #1 P5: Love Guru	7 / 7
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #3 P3: Bad News	7 / 7

Problem	Score
SAC '22 Code Challenge 3 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 3 P2 - Unicycle License	5 / 5
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem	5 / 5
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem	7 / 7
SAC '22 Code Challenge 4 P2 - Obligatory String Problem	5 / 5
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem	5 / 5
SAC '22 Code Challenge 4 P4 - Obligatory Subarray Problem	2 / 10

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '16: Harambe	3 / 3
Back To School '18: Letter Frequency	0.700 / 7
Death Gun	7 / 7
MEC '16 P3 - Getting Good at Programming	10 / 10
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7

Problem	Score
TLE '15 P1 - Power Rankings	5 / 5
TLE '16 Contest 4 P1 - Stack of Presents	5 / 5
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
TSOC '15 Contest 2 #6 - All-Out War!	15 / 15
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7
TSOC '16 Contest 1 #6 - Joey and Biology	12 / 12

Problem	Score
16 BIT S/W ONLY	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P2 - The Love Letter	5 / 5
Appleby Contest '19 P4 - Rectangles	7 / 7
ACSL '09 Practice P4 - Rank	7 / 7
Sum of Primes 2	5 / 5
A Noisy Class	7 / 7
Another Sorting	1.500 / 5
A Plus B	3 / 3
PEG Test '14 - Fire	5 / 5
Adding Reversed Numbers	5 / 5
Palindromic Integer Partition	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	2.160 / 3
Lexicographically Least Substring	5 / 5
Bob's Rocks	5 / 5
Coin Change	7 / 7
Cheerio Contest 1 S3 - Stock Trading	7 / 7
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
Maximum Sum	7 / 7
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder C - Vacation	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Educational DP Contest AtCoder E - Knapsack 2	7 / 7
Educational DP Contest AtCoder F - LCS	7 / 7
Educational DP Contest AtCoder K - Stones	10 / 10
Exam Prep	7 / 7
Fibonacci Sequence	15 / 15
PEG Test '11 - Cyclopian Puzzle	10 / 10
Good Debugging	17 / 17
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Hardcore Grinding	5 / 5
HCI '16 - Oversleep	7 / 7
Hello, World!	3 / 3
ICHB Selection Contest '17 Problem 3 - Parallel Universe	12 / 12
Count The Triplets	7 / 7
Levve Loves Segment Trees	15 / 15
LKP '18 Contest 1 P4 - Fun in Föràg	15 / 15
OCC '19 S2 - Rimuru's Number Game	5 / 5
Postfix Notation	7 / 7
Prime Factorization	5 / 5
Primes 2	3.750 / 15
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
RTE '16 S3 - School Traversal	7 / 7
Rubik's Cube Solver	2 / 50
Singularity Cup P1 - Maximum Permutation Product	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Dynamic Range Minimum Test	12 / 12
Sleigh Ride	10 / 10
Segment Tree Practice 3	15 / 15
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
Intertwined Strings	7 / 7

Problem	Score
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '16 #2 Gold - GGG	15 / 15
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #3 Gold - Hello, Officer.	10 / 10
VM7WC '16 #4 Gold - Restoring Reputation	10 / 10
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7
VM7WC '16 #6 Bronze - The Most Important Skill in Biology	3 / 3

Problem	Score
WC '16 Contest 1 S3 - Tricky's Treats	12 / 12
WC '16 Contest 3 S2 - Training Regimen	12 / 12
WC '16 Finals S3 - Privacy	12 / 12
WC '18 Contest 1 S3 - Reach for the Top	12 / 12
WC '18 Contest 2 S1 - Laser Grid	7 / 7
WC '18 Contest 3 J2 - Net Weight	5 / 5
WC '18 Contest 3 S2 - Gym Tour	12 / 12
WC '18 Contest 4 S1 - World of StarCraft	10 / 10