User justin_g_20

Points breakdown

100 / 100

AC | C++20

IOI '18 P2 - Seats

on July 11, 2025, 8:23 a.m.

40pp

weighted 100% (40pp)

280 / 280

AC | C++11

IOI '07 P6 - Training

on March 13, 2025, 3:18 a.m.

40pp

weighted 95% (38pp)

94 / 100

AC | PYPY3

Phantom's Python Challenge

on Aug. 31, 2025, 12:09 p.m.

38pp

weighted 90% (34pp)

100 / 100

AC | C++20

APIO '19 P3 - Street Lamps

on May 13, 2025, 3:37 a.m.

35pp

weighted 86% (30pp)

100 / 100

AC | C++11

JOI '13 Open P2 - Synchronization

on Nov. 16, 2023, 1:13 p.m.

35pp

weighted 81% (29pp)

100 / 100

AC | C++11

Baltic OI '11 P8 - Tree Mirroring

on July 20, 2023, 1:05 p.m.

35pp

weighted 77% (27pp)

350 / 360

MLE | C++20

IOI '08 P3 - Fish

on June 2, 2025, 11:23 a.m.

34pp

weighted 74% (25pp)

100 / 100

AC | C++20

IOI '18 P3 - Werewolf

on July 11, 2025, 10:50 a.m.

30pp

weighted 70% (21pp)

10 / 10

AC | C++20

COCI '16 Contest 2 #6 Burza

on July 9, 2025, 6:10 a.m.

30pp

weighted 66% (20pp)

100 / 100

AC | C++20

APIO '17 P1 - Land of the Rainbow Gold

on June 18, 2025, 1:14 p.m.

30pp

weighted 63% (19pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P2 - Koala Party	5 / 5
An Animal Contest 2 P4 - Koala Gambling	12 / 12
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 3 P4 - Monkey Mayhem	7 / 7
An Animal Contest 3 P5 - Monkey Canoe	12 / 12

Problem	Score
Another Contest 5 Problem 1 - Goat Fence	3 / 3
Another Contest 7 Problem 1 - Lonely Users	3 / 3

Problem	Score
APIO '07 P3 - Zoo	20 / 20
APIO '09 P1 - Digging for Oil	20 / 20
APIO '09 P2 - The Siruseri Convention Centre	17.500 / 25
APIO '09 P3 - The Great ATM Robbery	10 / 20
APIO '10 P1 - Commando	20 / 20
APIO '11 P1 - Table Coloring	25 / 25
APIO '12 P1 - Dispatching	17 / 17
APIO '14 P2 - Split the Sequence	25 / 25
APIO '16 P1 - Boat	20 / 20
APIO '17 P1 - Land of the Rainbow Gold	30 / 30
APIO '19 P3 - Street Lamps	35 / 35
APIO '22 P2 - Game	25 / 25

Problem	Score
Baltic OI '07 P2 - Sorting	12 / 40
Baltic OI '07 P3 - Sound	10 / 10
Baltic OI '11 P8 - Tree Mirroring	35 / 35
Baltic OI '13 P5 - Tracks in the Snow	3 / 12
Baltic OI '17 P1 - Political Development	25 / 25
Baltic OI '17 P2 - Toll	20 / 20
Baltic OI '17 P3 - Railway	17 / 17
Baltic OI '19 P3 - Alpine Valley	20 / 20
Baltic OI '19 P4 - Tom's Kitchen	15 / 15

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S4 - Golf	7 / 7
CCC '00 S5 - Sheep and Coyotes	5 / 10
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 J1 - Trident	3 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S2 - Poetry	2.500 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	9 / 15
CCC '03 S5 - Trucking Troubles	9.375 / 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 S3 - Spreadsheet	10 / 10
CCC '04 S4 - Space Turtle	10 / 10
CCC '05 J1 - The Cell Sell	2.200 / 3
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J2 - Roll the Dice	3 / 3
CCC '06 S3 - Tin Can Telephone	12 / 12
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J2 - I Speak TXTMSG	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	2.812 / 3
CCC '08 S1 - It's Cold Here!	2.500 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '09 J1 - ISBN	3 / 3
CCC '09 S4 - Shop and Ship	10 / 10
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J5 - Knight Hop	7 / 7
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J2 - Who Has Seen The Wind	5 / 5
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
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 '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 S5 - Factor Solitaire	15 / 15
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 '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 J4 - Wait Time	5 / 5
CCC '15 J5 - π-day	10 / 10
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
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 J2 - Magic Squares	1.500 / 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 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 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 S5 - Maximum Strategic Savings	20 / 20
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J5 - Rule of Three	0.700 / 20
CCC '19 S1 - Flipper	3 / 3
CCC '20 J1 - Dog Treats	3 / 3
CCC '20 S5 - Josh's Double Bacon Deluxe	17 / 17
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 S2 - Modern Art	4.667 / 7
CCC '96 S5 - Maximum Distance	0.700 / 7
CCC '97 S1 - Sentences	5 / 5
CCC '99 S4 - A Knightly Pursuit	12 / 12
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
CCCHK '15 J2 - What is the minimum area?	5 / 5

User justin_g_20

Points breakdown

AAC (57 points)

ACC (6 points)

APIO (264.500 points)

Baltic OI (157 points)

CCC (632.954 points)

CCO (72.500 points)

CEOI (103.900 points)

China NOI (95 points)

Classics (18 points)

COCI (95.200 points)

Data Structure Tests (10 points)

DMOPC (118.700 points)

ECOO (10 points)

EGOI (10 points)

GFSSOC (14.200 points)

ICPC (26 points)

IOI (855.958 points)

JOI (433.650 points)

Mock CCC (12 points)

Olympiads School (25 points)

SAC Coding Challenge (25.700 points)

Seasonal (69.700 points)

TLE (8 points)

TSOC (5 points)

Uncategorized (381.250 points)

VM7WC (3 points)

WAC (17.950 points)

Woburn Challenge (6 points)

YAC (43.400 points)

Problem	Score
CCO '10 P3 - Wowow	15 / 15
CCO '13 P4 - A Romantic Movie Outing	20 / 20
CCO '15 P2 - Artskjid	7.500 / 15
CCO '17 P3 - Vera and Modern Art	30 / 30

Problem	Score
CEOI '09 P2 - Harbingers	25 / 25
CEOI '16 P2 - Kangaroo	20 / 20
CEOI '17 P4 - Building Bridges	20 / 20
CEOI '19 P4 - Amusement Park	18.900 / 30
CEOI '19 P5 - Magic Tree	20 / 20

Problem	Score
NOI '03 P4 - Data Generator	20 / 20
NOI '10 P2 - Super Piano	25 / 25
NOI '14 P6 - Ticket Purchase	30 / 30
NOI '15 P2 - Software Package Manager	20 / 20

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '13 Contest 6 #6 Graškrižja	17 / 17
COCI '16 Contest 2 #6 Burza	30 / 30
COCI '22 Contest 5 #1 Kalendar	5 / 5
COCI '22 Contest 5 #2 Diskurs	12 / 12
COCI '22 Contest 5 #4 Slastičarnica	15 / 15
COI '08 #2 Otoci	10 / 25
COI '19 #1 Paint	3.200 / 40

Problem	Score
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '14 Contest 7 P1 - Flare	3 / 3
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '19 Contest 6 P0 - Trivial Math	3 / 3
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	1 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	0.500 / 5
DMOPC '20 Contest 4 P2 - Beautiful Grids	2.100 / 7
DMOPC '20 Contest 4 P3 - Roving Roombas	1.800 / 12
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 6 P1 - Tug of War	7 / 7
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 4 P1 - Tree Shopping	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 4 P3 - Palindromic Presents	4.800 / 12
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMOPC '23 Contest 1 P3 - Colour Scheme	12 / 12
DMOPC '23 Contest 1 P4 - Wandering Walk	2.500 / 17
DMOPC '23 Contest 1 P5 - Perfect Matching	5 / 25
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
GFSSOC '17 J1 - Ramen and Studying	1.500 / 3
GFSSOC '15 Fall S3 - System(0);	10 / 10
GFSSOC '15 Winter J2 - Purchasing Presents	2.700 / 3

Problem	Score
ACM U of T Tryouts C1 A - Rock Paper Scissors Fox	3 / 3
ACM U of T Tryouts C3 B - A Careful Reply	3 / 3
Knapsack 4	20 / 20

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '00 P5 - Post Office	15 / 15
IOI '01 P1 - Mobile Phones	14.250 / 15
IOI '01 P3 - Twofive	25 / 25
IOI '03 P6 - Seeing the Boundary	20 / 20
IOI '03 Practice Task 1 - Balancing Act	15 / 15
IOI '07 P2 - Flood	25 / 25
IOI '07 P3 - Sails	25 / 25
IOI '07 P6 - Training	40 / 40
IOI '08 P2 - Islands	25 / 25
IOI '08 P3 - Fish	34.028 / 35
IOI '08 P4 - Teleporters	25 / 25
IOI '09 P2 - Hiring	4.080 / 12
IOI '09 P3 - POI	7 / 7
IOI '09 P7 - Regions	20 / 20
IOI '09 P8 - Salesman	25 / 25
IOI '10 P3 - Quality of Living	15 / 15
IOI '11 P2 - Race	17 / 17
IOI '11 P2 - Race (Standard I/O)	17 / 17
IOI '11 P5 - Dancing Elephants (Standard I/O)	19.400 / 20
IOI '12 P3 - Crayfish Scrivener	15 / 15
IOI '12 P3 - Crayfish Scrivener (Standard I/O)	15 / 15
IOI '12 P6 - Jousting Tournament	17 / 17
IOI '12 P6 - Jousting Tournament (Standard I/O)	17 / 17
IOI '13 P1 - Dreaming (Standard I/O)	4.800 / 15
IOI '13 P5 - Robots	20 / 20
IOI '13 P5 - Robots (Standard I/O)	20 / 20
IOI '13 P6 - Game	25 / 25
IOI '13 P6 - Game (Standard I/O)	17 / 17
IOI '14 P2 - Wall	20 / 20
IOI '14 P2 - Wall (Standard I/O)	20 / 20
IOI '14 P5 - Friend	2.400 / 30
IOI '14 P6 - Holiday (Standard I/O)	30 / 30
IOI '15 P4 - Horses	15 / 15
IOI '15 P5 - Sorting	25 / 25
IOI '15 P5 - Sorting (Standard I/O)	25 / 25
IOI '17 P2 - Wiring	25 / 25
IOI '18 P2 - Seats	40 / 40
IOI '18 P3 - Werewolf	30 / 30
IOI '18 P4 - Mechanical Doll	20 / 20
IOI '18 P5 - Highway Tolls	30 / 30
IOI '20 P2 - Connecting Supertrees	15 / 15
IOI '99 P1 - Little Shop of Flowers	10 / 10

Problem	Score
JOI '13 Open P2 - Synchronization	35 / 35
JOI '13 Open P3 - Watching	15 / 15
JOI '14 Open P1 - Factories	20 / 20
JOI '14 Open P2 - Fortune Telling 2	25 / 25
JOI '14 Open P5 - Pinball	25 / 25
JOI '14 Open P6 - Secret	17 / 17
JOI '16 Final P1 - Foehn Phenomena	10 / 10
JOI '17 Final P5 - Snake Escaping	25 / 25
JOI '18 Spring Camp Day 1 P1 - Construction of Highway	30 / 30
JOI '19 Open P1 - Triple Jump	30 / 30
JOI '19 Open P2 - Remittance	30 / 30
JOI '20 Spring Camp Day 4 P1 - Capital City	20 / 20
JOI '21 Open P1 - Crossing	20 / 20
JOI '21 Open P2 - Financial Report	25 / 25
JOI '21 Spring Camp Day 4 P1 - Event Hopping 2	30 / 30
JOI '22 Final P1 - Intercastellar	10 / 10
JOI '22 Open P1 - Seesaw	17 / 17
JOI '22 Open P2 - Giraffes	20.650 / 35
JOI '22 Open P3 - School Road	17 / 17
JOI '23 Open P3 - Garden	12 / 12

Problem	Score
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube	3 / 3
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card	3 / 3
Mock CCC '19 Contest 1 J2 - Pusheen OCR	3 / 3
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea	3 / 3

Problem	Score
SAC '21 Code Challenge P5 - Friends of Friends	7 / 7
SAC '22 Code Challenge 1 P1 - That Teacher	3 / 3
SAC '22 Code Challenge 1 P2 - That Circle	3 / 3
SAC '22 Code Challenge 1 P3 - That Pool	0.700 / 7
SAC '22 Code Challenge 2 P2 - Cookie Sprinkler	5 / 5
SAC '22 Code Challenge 2 P3 - Rating Choices	7 / 7

Problem	Score
Calendar Contest Problem 1 — Sexagenary Cycle	5 / 5
Calendar Contest Problem 3 — Classical Maya	10 / 10
Miracle Sort	3 / 3
Too Simple	7 / 7
Still Too Simple	10 / 10
World Tour Contest Problem 4 — W Szczebrzeszynie chrząszcz brzmi w trzcinie	8.700 / 15
WOSS Dual Olympiad 2021 J1: Water Classification	3 / 3
WOSS Dual Olympiad 2021 J2/S1: Secret Formula	3 / 3
WOSS Dual Olympiad 2021 J3: Frisbee Golf	5 / 5
New Year's '15 P5 - Message to Mars	15 / 20

Problem	Score
TLE '16 Contest 1 P2 - Heavy-Light Decomposition	5 / 5
TLE '16 Contest 3 P1 - Hapax Legomenon	3 / 3

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Mirrored Pairs	3 / 3
A Plus B	3 / 3
A Times B	0.400 / 20
PEG Test '14 - Earth	3 / 3
PEG Test '14 - Water	3 / 3
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Boolean	3 / 3
Back to School '24 P1 - Kicking	5 / 5
Back to School '24 P2 - Cheating	10 / 10
Back to School '24 P3 - Tournament	12 / 12
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
CPC '21 Contest 1 P3 - AQT and Circles	2.500 / 10
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Double Doors Regional P1 - Tudor Gets a Goat	3 / 3
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder Z - Frog 3	20 / 20
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	1 / 20
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
GlobeX Cup '18 J Sample - Farming Simulator	5 / 5
Hello, World!	3 / 3
HHPC1 P1 - Yielding the Longest Substring	5 / 5
HHPC1 P2 - Yuniformity Challenge	10 / 10
HHPC1 P4 - Yet Another A+B Problem	10 / 10
Joshua Needs Help	10 / 10
MMCC '15 P1 - Inaho	1.500 / 15
OTHS Coding Competition 2 P1 - Chess Pieces	3 / 3
OTHS Coding Competition 2 P2 - Ghoul Investigators	3 / 3
OTHS Coding Competition 2 P3 - Tally Clicker	5 / 5
OTHS Coding Competition 2 P4 - Magic Barrier	5 / 5
OTHS Coding Competition 2 P5 - Coffee Jelly	7 / 7
Phantom's Python Challenge	37.600 / 40
Prime Factorization	5 / 5
Primes 2	0.750 / 15
Self-deception	15 / 15
Disclosure	10 / 10
QCC P0 - Thermometer	3 / 3
QCC P2 - Online School	5 / 5
QCC P3 - Cohorts	0.500 / 10
QCC P4 - Genetic Sequencing	5 / 5
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Jason's Theorem	10 / 10
Python Infinite Loop	7 / 7
Segment Tree Practice 4	17 / 17
UCC Coding Competition '20 P1 - Snowstorm	3 / 3
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
UTS Open '15 #6 - Tetrahedra	25 / 25

Problem	Score
Wesley's Anger Contest 5 Problem 1 - Matryoshka Acorns	5 / 5
Wesley's Anger Contest 6 Problem 1 - Timbit Sales	3 / 3
Wesley's Anger Contest 6 Problem 2 - Cheap Christmas Lights	5 / 5
Wesley's Anger Contest 6 Problem 4 - Runway Lights	1.200 / 12
Wesley's Anger Contest 6 Problem 5 - Canadian Christmas Cactus	3.750 / 15

Problem	Score
WC '17 Contest 1 J1 - Canadian Accent	3 / 3
WC '17 Contest 2 J2 - Breeding an Army	3 / 3

Problem	Score
Yet Another Contest 1 P1 - Mixed Doubles	7 / 7
Yet Another Contest 1 P2 - A Boring Problem	2 / 10
Yet Another Contest 1 P3 - Fluke	10 / 10
Yet Another Contest 4 P1 - Snap	5 / 5
Yet Another Contest 4 P2 - Alchemy 2	7 / 7
Yet Another Contest 4 P3 - Canadian Cactus Competition	2.400 / 12
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5