User JamesJiao

Points breakdown

90 / 100

AC | PYPY3

Phantom's Python Challenge

on July 29, 2025, 1:45 p.m.

36pp

weighted 100% (36pp)

25 / 25

AC | C++20

CCO '13 P6 - Repetitivity

on June 7, 2025, 9:27 p.m.

25pp

weighted 95% (24pp)

100 / 100

AC | C++20

Fibonacci Sequence (Harder)

on Aug. 26, 2025, 7:40 p.m.

17pp

weighted 90% (15pp)

140 / 140

AC | C++20

COCI '14 Contest 6 #5 Neo

on July 28, 2025, 1:26 p.m.

17pp

weighted 86% (15pp)

25 / 25

AC | C++20

Google Code Jam '22 Round 3 Problem C - Mascot Maze

on Feb. 5, 2025, 4:54 p.m.

17pp

weighted 81% (14pp)

30 / 30

AC | C++20

CCC '10 S4 - Animal Farm

on July 26, 2025, 10:36 p.m.

15pp

weighted 77% (12pp)

100 / 100

AC | PYPY3

Fibonacci Sequence

on July 22, 2025, 2:31 p.m.

15pp

weighted 74% (11pp)

100 / 100

AC | C++20

The Torture Chamber

on June 4, 2025, 11:03 p.m.

15pp

weighted 70% (10pp)

20 / 20

AC | C++20

WC '18 Contest 2 S2 - Plutonium

on Aug. 5, 2025, 1:12 p.m.

12pp

weighted 66% (8.0pp)

935 / 935

AC | C++20

A Plus B (Hard)

on July 15, 2025, 2:02 p.m.

12pp

weighted 63% (7.6pp)

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 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 7 P1 - Squirrnect 4	3 / 3

Problem	Score
Another Contest 5 Problem 1 - Goat Fence	3 / 3
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 8 Problem 1 - Trash Push	3 / 3
Another Contest 8 Problem 2 - Unnecessary Trash Push	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 '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 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '03 J1 - Trident	3 / 3
CCC '03 J2 - Picture Perfect	3 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S2 - Poetry	5 / 5
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 '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 J3 - Returning Home	5 / 5
CCC '05 J4 - Cross Spiral	7 / 7
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 J3 - Cell-Phone Messaging	3 / 3
CCC '06 S1 - Maternity	5 / 5
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 S2 - Boxes	5 / 5
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 J3 - GPS Text Entry	3 / 3
CCC '08 J4 - From Prefix to Postfix	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 J4 - Signage	7 / 7
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 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
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 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S5 - Switch	12 / 12
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 '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	7 / 7
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 S2 - Bridge Transport	5 / 5
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
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 J4 - Wait Time	5 / 5
CCC '15 J5 - π-day	10 / 10
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S3 - Gates	10 / 10
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 '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 S3 - Nailed It!	7 / 7
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 '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '20 J3 - Art	3 / 3
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '23 J3 - Special Event	5 / 5
CCC '23 J5 - CCC Word Hunt	10 / 10
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 J4 - Troublesome Keys	5 / 5
CCC '24 J5 - Harvest Waterloo	7 / 7
CCC '25 J1 - Roller Coaster Ride	3 / 3
CCC '25 J2 - Donut Shop	3 / 3
CCC '25 J3 - Product Codes	5 / 5
CCC '25 J4 - Sunny Days	5 / 5
CCC '25 J5 - Connecting Territories	7 / 7
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '96 S3 - Pattern Generator	5 / 5
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J3 - Queens can't attack me!	5 / 5
CCCHK '15 S1 - Finding number of pairs	7 / 7

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Unique Elements	3 / 3

Problem	Score
COCI '07 Contest 2 #3 Prva	7 / 7
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '13 Contest 5 #2 Obilazak	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 6 #5 Neo	17 / 17
COCI '15 Contest 2 #2 Geppetto	7 / 7
COCI '15 Contest 5 #4 Poplava	12 / 12
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7

User JamesJiao

Points breakdown

AAC (15 points)

ACC (12 points)

BlueBook (3 points)

CCC (608 points)

CCO (25 points)

CIW (7 points)

Classics (11 points)

COCI (89 points)

CTF (17 points)

DMOPC (145 points)

DWITE (28 points)

ECOO (35 points)

EGOI (7 points)

FHC (10 points)

GFSSOC (10 points)

Google Code Jam (17 points)

ICPC (16 points)

Mock CCC (53 points)

MWC (20 points)

SAC Coding Challenge (23 points)

Seasonal (55 points)

TLE (8 points)

Uncategorized (447.640 points)

VM7WC (13 points)

Woburn Challenge (19 points)

YAC (7 points)

Problem	Score
DMOJ Capture The Flag '20 G1 - Sanity Check	3 / 3
DMOJ Capture The Flag '20 G2 - Where's the flag?	3 / 3
DMOJ Capture The Flag '20 F1 - RGB	3 / 3
DMOJ Capture The Flag '20 F2 - Queries & Strings	5 / 5
DMOJ Capture The Flag '20 C1 - All the bases!	3 / 3

Problem	Score
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '17 Contest 2 P2 - Balance	5 / 5
DMOPC '17 Contest 4 P4 - Cops and Robbers	7 / 7
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
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 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 4 P3 - Palindromic Presents	12 / 12
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMPG '18 G1 - Musical Chairs	10 / 10
DMPG '19 B1 - Registration	3 / 3

Problem	Score
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 '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R4 #2 - Prime Time	5 / 5
DWITE '12 R2 #3 - Bitstrings	3 / 3

Problem	Score
ECOO '18 R2 P2 - Homework	10 / 10
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
WCIPEG 2018 ECOO Qualifier P1 - Bincent's Billows	3 / 3

Problem	Score
ACM U of T Tryouts C1 A - Rock Paper Scissors Fox	3 / 3
ACM U of T Tryouts C3 A - A Research Project	3 / 3
ACM U of T Tryouts C3 B - A Careful Reply	3 / 3
ICPC PACNW 2016 C - Cameras	7 / 7

Problem	Score
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '23 Contest 1 J2 - Healthy Schedule	3 / 3
Mock CCC '23 Contest 1 J3 - Pairing Gifts	5 / 5
Mock CCC '15 J5 - Royal Guard	10 / 10
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 '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids	7 / 7

Problem	Score
MWC '15 #1 P5: Love Guru	7 / 7
MWC '15 #3 P3: Bad News	7 / 7
MWC '15 #4 P1: Love Guru 2	3 / 3
MWC '15 #6 P1: Regpo	3 / 3

Problem	Score
SAC '22 Code Challenge 3 Junior P1 - Normal Problem	3 / 3
SAC '22 Code Challenge 3 Junior P2 - Normal Lines	3 / 3
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 P1 - Obligatory DeMello Problem	3 / 3
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem	3 / 3
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem	3 / 3

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '17: Wet Mud	10 / 10
Back To School '18: Letter Frequency	7 / 7
CCCJQR P3	7 / 7
Too Simple	7 / 7
New Year's '16 P3 - Arithmetic Snowman	5 / 5
New Year's '17 P1 - Mr. N and Presents	7 / 7
New Year's '18 P2 - Mimi and Christmas Cake	5 / 5

Problem	Score
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5
TLE '17 Contest 5 P1 - Guess the Number	3 / 3

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P1 - Darcy's Debilitating Demands	3 / 3
Appleby Contest '19 P4 - Rectangles	7 / 7
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Sum of Primes 2	5 / 5
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office?	3 / 3
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop	5 / 5
Another Sorting	5 / 5
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
PEG Test '14 - Earth	3 / 3
PEG Test '14 - Water	3 / 3
Avocado Trees!	5 / 5
Palindromic Integer Partition	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Binary	5 / 5
Boolean	3 / 3
BPC 1 S1 - Homework Questions	5 / 5
Stingy Candyman	10 / 10
3n+1	3 / 3
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	1.500 / 5
Dr. Anne Anderson Coding Contest 1 P4 - Lighting	5 / 5
Dr. Anne Anderson Coding Contest 1 P5 - Guessing Grades	0.400 / 7
Fast Bit Counting	3 / 3
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
PEG Test '11 - Cyclopian Puzzle	10 / 10
Hailstone Numbers	3 / 3
HCI '16 - Sentence Checker	3 / 3
Hello, World!	3 / 3
Word Scrambler	5 / 5
Inaho V	3 / 3
Infinity	3 / 3
Largest Permutation	7 / 7
Lil' Jami	5 / 5
Guess the Sequence	3 / 3
MMM '14 A - Distinct Prime Factors	7 / 7
Modulo Sort	5 / 5
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 4 P1 - Square Root Decomposition	3 / 3
OTHS Coding Competition 4 P2 - Furina's Rounding	5 / 5
OTHS Coding Competition 4 P3 - Photo	5 / 5
The Mirror	5 / 5
The Third Cellar	10 / 10
The Torture Chamber	15 / 15
Phantom's Python Challenge	35.880 / 40
Postfix Notation	7 / 7
Prime Factorization	5 / 5
Primes	3 / 3
Pulse	3 / 3
VMSS Pre-Windsor P3 - Composite Bag	3 / 3
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
RGPC '18 P3 - Chocolate Day	10 / 10
Richmond Green P2 - LOL	3 / 3
The Cosmic Era P1 - Ship	3 / 3
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Python Infinite Loop	7 / 7
STNBD P1 - Ren Ashbell	3 / 3
Sudoku Challenge	6.860 / 7
The Contest Contest 1 P1 - A Typical Codeforces Problem	5 / 5
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
Intertwined Strings	7 / 7
UTS Open '18 P3 - Restaurants	7 / 7
UTS Open '21 P1 - COVID Party	5 / 5
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7

Problem	Score
VM7WC '16 #1 Bronze - A New Prime Factorization	5 / 5
VM7WC '16 #4 Silver - Tests or Test Cases?	5 / 5
VM7WC '16 #5 Bronze - Jayden Watches Videos	3 / 3

Problem	Score
WC '18 Contest 2 S2 - Plutonium	12 / 12
WC '18 Contest 3 J4 - Leveling Up	7 / 7