User chenxietconsulting

Points breakdown

20 / 20

AC | JAVA8

WC '18 Contest 2 S2 - Plutonium

on Aug. 11, 2024, 10:33 p.m.

12pp

weighted 100% (12pp)

100 / 100

AC | JAVA8

GFSSOC '15 Fall J5 - Nightmare-a-thon

on Aug. 17, 2025, 11:06 p.m.

10pp

weighted 95% (9.5pp)

100 / 100

AC | JAVA8

Appleby Contest '20 P3 - Ridiculous String

on June 8, 2025, 12:05 a.m.

10pp

weighted 90% (9.0pp)

15 / 15

AC | JAVA8

CCC '08 S5 - Nukit

on May 4, 2025, 1:26 p.m.

10pp

weighted 86% (8.6pp)

15 / 15

AC | JAVA8

CCC '02 S4 - Bridge Crossing

on May 3, 2025, 8:03 p.m.

10pp

weighted 81% (8.1pp)

100 / 100

AC | JAVA8

Educational DP Contest AtCoder K - Stones

on April 26, 2025, 11:14 p.m.

10pp

weighted 77% (7.7pp)

25 / 25

AC | JAVA8

CCO '18 P1 - Geese vs. Hawks

on April 5, 2025, 8:54 p.m.

10pp

weighted 74% (7.4pp)

100 / 100

AC | JAVA

Longest Increasing Subsequence

on April 5, 2025, 7:15 p.m.

10pp

weighted 70% (7.0pp)

100 / 100

AC | JAVA8

Waterloo 2017 Winter B - Vera and LCS

on March 30, 2025, 3:41 p.m.

10pp

weighted 66% (6.6pp)

100 / 100

AC | JAVA8

Disjoint Set Test

on Jan. 12, 2025, 8:38 p.m.

10pp

weighted 63% (6.3pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P2 - Alpaca Racing	5 / 5

Problem	Score
BlueBook - Change	3 / 3
BlueBook - 10 Primes on a Line	5 / 5
BlueBook - Prime	3 / 3

Problem	Score
CCC '00 J1 - Calendar	5 / 5
CCC '00 J2 - 9966	3 / 3
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S3 - Surfing	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S2 - Spirals	5 / 5
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '04 J4 - Simple Encryption	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '05 J1 - The Cell Sell	2.200 / 3
CCC '05 J3 - Returning Home	5 / 5
CCC '05 J4 - Cross Spiral	7 / 7
CCC '05 J5 - Bananas	10 / 10
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S2 - Boxes	5 / 5
CCC '07 S3 - Friends	7 / 7
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S5 - Nukit	10 / 10
CCC '09 J2 - Old Fishin' Hole	5 / 5
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	5 / 10
CCC '10 J2 - Up and Down	4 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '11 J3 - Sumac Sequences	4 / 5
CCC '11 J4 - Boring Business	7 / 7
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S1 - English or French?	5 / 5
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 J4 - Time on task	5 / 5
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
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 J4 - Wait Time	5 / 5
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S3 - Gates	5 / 10
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 '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '18 J3 - Are we there yet?	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 '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	7.333 / 10
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 J5 - Square Pool	10 / 10
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '23 J5 - CCC Word Hunt	10 / 10
CCC '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	1.250 / 10
CCC '24 J4 - Troublesome Keys	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 '25 J4 - Sunny Days	5 / 5
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '97 S3 - Double Knockout Competition	5 / 5
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

Problem	Score
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '18 P1 - Geese vs. Hawks	10 / 10

Problem	Score
Next Prime	5 / 5
Longest Increasing Subsequence	10 / 10
Unique Elements	3 / 3

User chenxietconsulting

Points breakdown

AAC (8 points)

ACC (3 points)

BlueBook (11 points)

CCC (506.783 points)

CCO (20 points)

Classics (18 points)

COCI (181.800 points)

Data Structure Tests (10 points)

DMOPC (260.233 points)

DWITE (57 points)

ECOO (37 points)

EGOI (7.630 points)

FHC (10 points)

GFSSOC (25 points)

ICPC (14 points)

Mock CCC (68.333 points)

MWC (7.700 points)

SAC Coding Challenge (28.800 points)

Seasonal (56.700 points)

TLE (8 points)

TSOC (14 points)

Uncategorized (381.050 points)

VM7WC (12 points)

WAC (5 points)

Waterloo Local (10 points)

Woburn Challenge (29 points)

YAC (39.500 points)

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '06 Contest 2 #1 R2	3 / 3
COCI '06 Contest 2 #2 ABC	3 / 3
COCI '06 Contest 2 #3 Kolone	7 / 7
COCI '06 Contest 3 #1 Patuljci	5 / 5
COCI '06 Contest 4 #1 Sibice	3 / 3
COCI '06 Contest 4 #2 Skener	3 / 3
COCI '06 Contest 5 #1 Trik	3 / 3
COCI '06 Contest 5 #2 Natrij	5 / 5
COCI '06 Contest 6 #3 Maraton	5 / 5
COCI '07 Contest 1 #1 Cetvrta	5 / 5
COCI '07 Contest 2 #1 Bijele	3 / 3
COCI '07 Contest 2 #2 Crne	3 / 3
COCI '07 Contest 3 #1 Cetiri	3 / 3
COCI '07 Contest 3 #2 Oktalni	3 / 3
COCI '07 Contest 4 #1 Vauvau	5 / 5
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '07 Contest 5 #1 Tri	3 / 3
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '08 Contest 4 #3 Rot	5 / 5
COCI '08 Contest 5 #2 Jabuka	5 / 5
COCI '10 Contest 1 #1 Timsko	3 / 3
COCI '10 Contest 2 #2 Napor	5 / 5
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	6 / 10
COCI '14 Contest 2 #2 Utrka	3.500 / 5
COCI '15 Contest 4 #3 Deathstar	7 / 7
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 4 #2 Kartomat	5 / 5
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '19 Contest 1 #1 Trol	5 / 5
COCI '19 Contest 3 #1 Preokret	5 / 5
COCI '20 Contest 1 #2 Bajka	7 / 7
COCI '20 Contest 2 #1 Crtanje	5 / 5
COCI '20 Contest 3 #1 Knjige	7 / 7
COCI '22 Contest 4 #1 7Krokods	4.300 / 5

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P2 - Cutting Logs	5 / 5
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '14 Contest 5 P3 - Brotherly Sequence	5 / 5
DMOPC '14 Contest 6 P1 - Finding Bessarion	3 / 3
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '14 Contest 7 P3 - Globally Unique Shells	5 / 5
DMOPC '14 Exam Time P1 - French Homework	3 / 3
DMOPC '15 Contest 5 P1 - Gel Bananas	3 / 3
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	5.600 / 7
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	2.800 / 7
DMOPC '17 Contest 2 P3 - Bad Bunnies	10 / 10
DMOPC '18 Contest 2 P2 - Booster Cushions	5 / 5
DMOPC '18 Contest 2 P3 - Thanksgiving Feast	10 / 10
DMOPC '18 Contest 4 P2 - Dr. Henri and Responsibility	7 / 7
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 6 P3 - Bread Merchant	1.500 / 10
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 2 P1 - Bosses	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 6 P3 - An Art Problem	3.333 / 10
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '22 Contest 2 P1 - DMOPC Crisis	5 / 5
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
DWITE '02 R2 #5 - Now I know my ABCs	5 / 5
DWITE '07 R1 #1 - Vanilla Primes	3 / 3
DWITE '07 R1 #4 - Stacks of Blocks	5 / 5
DWITE '07 R2 #4 - All Is Balanced	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 '10 R2 #3 - Escape and Loot	5 / 5
DWITE '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R4 #2 - Prime Time	5 / 5
DWITE '12 R1 #4 - Trick or Tree'ing	5 / 5

Problem	Score
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '15 R1 P1 - When You Eat Your Smarties	5 / 5
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P1 - Music with Mimi	3 / 3
ECOO '20 P2 - Online Shopping	5 / 5
ECOO '21 P1 - Many Messages	3 / 3
ECOO '21 P2 - DNA Derren	3 / 3
ECOO '21 P3 - Quintessential Questions	3 / 3

Problem	Score
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S2 - Hearth	5 / 5
GFSSOC '15 Winter S1 - OR-deal	5 / 5
GFSSOC '15 Fall Practice P4 - Bruno and Fibonacci	5 / 5

Problem	Score
ACM U of T Tryouts C2 D - Diablo Bot	7 / 7
ICPC PACNW 2016 A - Alphabet	7 / 7

Problem	Score
Mock CCC '22 Contest 1 J5 - New Year's Restrictions	7 / 7
Mock CCC '24 Contest 1 J3 - RGB Words	2 / 5
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '15 J5 - Royal Guard	8 / 10
Mock CCC '18 Contest 1 J3/S1 - A Math Problem	5 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 3 J1 - A Sum Problem	3 / 3
Mock CCC '18 Contest 3 J2 - A Palindrome Problem	3 / 3
Mock CCC '18 Contest 3 J3/S1 - A String Problem	5 / 5
Mock CCC '18 Contest 3 J4/S2 - A Median Problem	5 / 5
Mock CCC '18 Contest 3 J5/S3 - A Cookie-Cutter Problem	1.333 / 10
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri	3 / 3
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids	7 / 7

Problem	Score
MWC '15 #3 P3: Bad News	7 / 7
MWC '15 #6 P3: Magical Sets	0.700 / 7

Problem	Score
SAC '22 Code Challenge 3 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 3 P3 - Bob Sort	5 / 5
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem	7 / 7
SAC '22 Code Challenge 5 Junior P1 - Monkey, Type!	3 / 3
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5
SAC '22 Code Challenge 5 Junior P4 - Course Requirements	2.800 / 7

Problem	Score
Back To School '17: Avalon	5 / 5
Back To School '18: Letter Frequency	7 / 7
Death Gun	0.700 / 7
Max's Anger Contest Series 2 P1 - Directed Anger	3 / 3
Max's Anger Contest Series 2 P2 - Password Anger	5 / 5
Max's Anger Contest Series 2 P3 - Array Anger	7 / 7
Triway Cup '18 Summer B - Beautiful Water Pearl	7 / 7
Triway Cup '19 Summer F - Race	3 / 3
Triway Cup '19 Summer Junior P1 - Getting Snappy	5 / 5
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7

Problem	Score
TLE '16 Contest 6 (Mock CCC) J1 - Paper Printing	3 / 3
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7

Problem	Score
Appleby Contest '20 P3 - Ridiculous String	10 / 10
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 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Sum of Primes 2	5 / 5
A Noisy Class	7 / 7
PEG Test '14 - Earth	3 / 3
PEG Test '14 - Fire	5 / 5
Palindromic Integer Partition	5 / 5
List Minimum	3 / 3
Lexicographically Least Substring	5 / 5
Binary	5 / 5
Back to School '24 P1 - Kicking	5 / 5
Coin Change	7 / 7
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 S1/J4 - Going to School	5 / 5
Cheerio Contest 1 S3 - Stock Trading	7 / 7
CPC '19 Contest 1 P1 - Distance	3 / 3
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
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 F - LCS	7 / 7
Educational DP Contest AtCoder K - Stones	10 / 10
Diagnostic Test '16 Level 1 P3 - Faxen Words	5 / 5
Exam Prep	1.050 / 7
PEG Test '11 - Cyclopian Puzzle	10 / 10
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 2 P3 - Trees	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
HCI '16 - Oversleep	7 / 7
MMM '14 A - Distinct Prime Factors	7 / 7
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
Pie	3 / 3
Postfix Notation	7 / 7
Prime Factorization	5 / 5
Primes	3 / 3
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
QCC P0 - Thermometer	3 / 3
QCC P2 - Online School	1 / 5
RGPC '18 P3 - Chocolate Day	10 / 10
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
Sleigh Ride	10 / 10
Coding Spree	7 / 7
Tree Tasks	10 / 10
TSS Club Fair 2017 Problem B	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '21 P1 - Counterfeit Detection	3 / 3
UCC Coding Competition '21 P2 - Emerald Exchange	5 / 5
UCC Coding Competition '21 P3 - Long Pizza	5 / 5
Intertwined Strings	7 / 7
Valentine's Day '19 J3 - Love!	7 / 7
VPEX P2 - Darcy Parties	3 / 3

Problem	Score
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7

Problem	Score
WC '01 P3 - Back to the Future	5 / 5
WC '18 Contest 2 S2 - Plutonium	12 / 12
WC '18 Contest 3 J4 - Leveling Up	7 / 7
WC '96 P6 - Bases Multiplication	5 / 5

Problem	Score
Yet Another Contest 2 P1 - Betting	5 / 5
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 6 P1 - No More Separation	2.500 / 5
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7