User justinzhu

Points breakdown

100 / 100

AC | C++11

LCC '21 Contest 2 S5 - Pretty Places

on Dec. 3, 2021, 11:50 p.m.

20pp

weighted 100% (20pp)

100 / 100

AC | PDE

LCC/Moose '19 Contest 3 S5 - Konnect

on Dec. 16, 2019, 5:07 p.m.

20pp

weighted 95% (19pp)

100 / 100

AC | C++11

LCC '18 Contest 2 S5 - Salaries

on Oct. 16, 2019, 10:49 p.m.

17pp

weighted 90% (15pp)

100 / 100

AC | C++11

LCC '21 Contest 6 S4 - String Counting

on May 26, 2022, 1:38 p.m.

15pp

weighted 86% (13pp)

100 / 100

AC | C++11

Larry's Array

on Nov. 10, 2020, 4:25 a.m.

15pp

weighted 81% (12pp)

100 / 100

AC | C++11

A Counting Problem

on April 20, 2020, 1:20 a.m.

15pp

weighted 77% (12pp)

100 / 100

AC | C++11

A Counting Problem 2

on April 13, 2020, 4:59 p.m.

15pp

weighted 74% (11pp)

100 / 100

AC | C++11

A Difference Array Problem

on Oct. 23, 2019, 4:41 p.m.

15pp

weighted 70% (10pp)

100 / 100

AC | PY3

A Tree Problem 2

on Oct. 13, 2019, 7:33 p.m.

15pp

weighted 66% (10.0pp)

10 / 10

AC | C++11

JDCC '17 Contest 3 S5 - Speed Interviewing

on Oct. 8, 2019, 1:10 p.m.

15pp

weighted 63% (9.5pp)

Problem	Score
A Factorial Problem	10 / 10
An Inversion Problem	10 / 10
A Plus B	2 / 2
A Two-Pointers Problem	7 / 7
A Two-Pointers Problem 2	12 / 12
Hello, World!	1 / 1
Fast Heavy-Light Decomposition	10 / 10

Problem	Score
Searching For Bread	7 / 7
Dim Sum!	3 / 3
Echolalia	1 / 1
Fizz Buzz	3 / 3
Month of Strings	3 / 3
Emag Eman	3 / 3
Pop Quiz!	3 / 3

Problem	Score
A Coin Problem	7 / 7
A Cookie Problem	7 / 7
A Difference Array Problem	15 / 15
Alan is taking the bus!	5 / 5
nicoella's Amazing Alts	3 / 3
Array Distances	7 / 7
A Sequence Problem	5 / 5
A Squirrel Problem	10 / 10
A Squirrel Problem 2	7 / 7
Component Sum	12 / 12
Bob & His Crops	3 / 3
A Unique List	3 / 3
Dynamic Programming	3 / 3
Larry's Shoes	10 / 10
Larry's Array	15 / 15
Larry and Nerdiness	1.100 / 15
Larryaaaaa	3 / 10
larREEEEEE	7 / 7
Extended Fibonacci	10 / 10
Favourite Numbers	7 / 7
Graph Theory 6	7 / 7
An Easy Score	5 / 5
1-Pile Nim	7 / 7
Over Optimization	3 / 3
Feynman Pairs	5 / 5
Parrots and Cookies	7 / 7
Retro Racing	5 / 5
Subarray Maximization	10 / 10
Tree Distance	12 / 12
Triangle Area	3 / 3
insignificant trolling	5 / 5
Unique Subsets	7 / 7

Problem	Score
Girls Invitational '18 S4 - Reppoh Ecarg	12 / 12
Girls Invitational '19 J1 - Ecalevol Triplets	3 / 3
Girls Invitational '19 J2 - Emily Who	3 / 3
Girls Invitational '19 S4 - Miniature Sudoku	12 / 12

Problem	Score
Phone Phun	3 / 3
'A' String	9 / 10
Maintaining an Array	7 / 7

User justinzhu

Points breakdown

Authored problems (17)

Classics (52 points)

Co-Ed (23 points)

Competitive (216.100 points)

Girls Invitational (30 points)

ICS3U (19 points)

JDCC (179 points)

LCC (454.600 points)

Uncategorized (513.264 points)

Problem	Category	Points
Art Academy	Uncategorized	5p
Art Academy VII: A Mysterious Object	Uncategorized	12p
Icebergs	Uncategorized	12
LCC '21 Contest 1 J1 - Costume Contest	LCC	3
LCC '21 Contest 1 S1 - Password Please	LCC	5
LCC '21 Contest 1 S3 - Balanced Binary Strings	LCC	7p
LCC '21 Contest 2 J2 - 1D Tic-Tac-Toe	Uncategorized	3
LCC '21 Contest 2 S1 - Oscar's Fizz Buzz	LCC	3
LCC '21 Contest 2 S5 - Pretty Places	Uncategorized	20p
LCC '21 Contest 3 J2 - Numbers to Alphabet	LCC	3
LCC '21 Contest 3 S1 - Meow	LCC	5p
LCC '21 Contest 3 S2 - Replacement Strings	LCC	5
LCC '21 Contest 3 S3 - Roundabout	LCC	10p
LCC '21 Contest 4 J3 - Ben's Gaming Addiction	LCC	5
LCC '21 Contest 5 J5 - Marble Groupings	LCC	7
LCC '21 Contest 6 J1 - Candy Shop	LCC	3
March Break Contest '22 Problem 6 - A Binary String Problem	Competitive	10

Problem	Score
JDCC '15 Contest 3 P3 - CCC	7 / 7
JDCC '15 Contest 3 P4 - Skiing	10 / 10
JDCC '15 Contest 3 P5 - Fireworks	10 / 10
JDCC '15 Contest 4 P1 - Palindromes	3 / 3
JDCC '15 Contest 4 P2 - Ants on a Log	7 / 7
JDCC '15 Contest 4 P4 - Roadwork	7 / 7
JDCC '15 Contest 5 P3 - Mazecrawler	10 / 10
JDCC '16 Contest 1 P1 - Euler	3 / 3
JDCC '16 Contest 1 P5 - Catchy Music	12 / 12
JDCC '16 Contest 2 P1 - Simplify	3 / 3
JDCC '16 Contest 2 P4 - Pokemon Woes	15 / 15
JDCC '16 Contest 3 P3 - Letter Swap	7 / 7
JDCC '16 Contest 3 P4 - Robot Dodgeball	10 / 10
JDCC '16 Contest 4 P1 - Vibberish or Cibberish?	5 / 5
JDCC '16 Contest 4 P3 - Big Integer Factorization	7 / 7
JDCC '17 Contest 1 J1 - Odd Times	3 / 3
JDCC '17 Contest 1 S3 - Great Odds	7 / 7
JDCC '17 Contest 1 S4 - A Ghost Oddity	10 / 10
JDCC '17 Contest 2 S4 - Sharing Presents	10 / 10
JDCC '17 Contest 3 J2 - Interview Seating	5 / 5
JDCC '17 Contest 3 S1 - <<<<3<33<333	3 / 3
JDCC '17 Contest 3 S4 - Interview Dominance	10 / 10
JDCC '17 Contest 3 S5 - Speed Interviewing	15 / 15

Problem	Score
LCC '18 Contest 1 J1 - Tall People	3 / 3
LCC '18 Contest 1 J5 - Minecraft	10 / 10
LCC '18 Contest 1 S1 - Class Picture	5 / 5
LCC '18 Contest 1 S4 - Birthday Problem	10 / 10
LCC '18 Contest 2 J1 - Derek and Snow	3 / 3
LCC '18 Contest 2 J2 - Consonants Consonance	3 / 3
LCC '18 Contest 2 J3 - Wrong Dere(c)k!	7 / 7
LCC '18 Contest 2 J5 - Tall People 2	7 / 7
LCC '18 Contest 2 S2 - False Report	5 / 5
LCC '18 Contest 2 S4 - Superprime	12 / 12
LCC '18 Contest 2 S5 - Salaries	17 / 17
LCC/Moose '18 Contest 3 J1 - Ninja Clashing	3 / 3
LCC/Moose '18 Contest 3 J2 - Dereck's Procrastination	3 / 3
LCC/Moose '18 Contest 3 S2 - Delivering Presents	7 / 7
LCC/Moose '18 Contest 3 S3 - Unwrapping Numbers	10 / 10
LCC/Moose '18 Contest 3 S4 - Christmas Tree	12 / 12
LCC '18 Contest 4 J2 - Dereck and Essays	3 / 3
LCC '18 Contest 4 J5 - Making Palindromes	7 / 7
LCC '18 Contest 4 S3 - Flight Plan	7 / 7
LCC '18 Contest 4 S4 - Car Range	10 / 10
LCC '18 Contest 5 J3 - Mr Tu's Zeros	5 / 5
LCC '18 Contest 5 J4 - How Many 5s?	7 / 7
LCC '18 Contest 5 S1 - QWERTY	5 / 5
LCC/Moose '19 Contest 1 J1 - Jaden Smith	3 / 3
LCC/Moose '19 Contest 1 J2 - A Car Problem	3 / 3
LCC/Moose '19 Contest 1 J3 - Emily and Timetable	5 / 5
LCC/Moose '19 Contest 1 S1 - Travel Conflicts	5 / 5
LCC/Moose '19 Contest 1 S2 - Siege	7 / 7
LCC/Moose '19 Contest 1 S3 - Chomp	12 / 12
LCC/Moose '19 Contest 1 S4 - Morphgrams	10 / 10
LCC/Moose '19 Contest 2 J4 - Missing Missiles	5 / 5
LCC/Moose '19 Contest 2 S1 - ?️eans	3 / 3
LCC/Moose '19 Contest 2 S4 - Autobattler	10 / 10
LCC/Moose '19 Contest 3 J3 - WELCOME TO MY MINE	5 / 5
LCC/Moose '19 Contest 3 S4 - Christmas Trees	12 / 12
LCC/Moose '19 Contest 3 S5 - Konnect	20 / 20
LCC/Moose '20 Contest 4 J2 - Column Counting	3 / 3
LCC/Moose '20 Contest 5 J5 - O-Mo-Te-Na-Si	7 / 7
LCC '21 Contest 1 J1 - Costume Contest	3 / 3
LCC '21 Contest 1 J2 - Spooky Words	5 / 5
LCC '21 Contest 1 J3 - Candy Collecting	5 / 5
LCC '21 Contest 1 J5 - Penelope's Pumpkins	7 / 7
LCC '21 Contest 1 S1 - Password Please	5 / 5
LCC '21 Contest 1 S2 - Tracy's Palindromes	5 / 5
LCC '21 Contest 1 S3 - Balanced Binary Strings	7 / 7
LCC '21 Contest 1 S5 - Beanland	10 / 10
LCC '21 Contest 2 J4 - Gaming	5 / 5
LCC '21 Contest 2 S1 - Oscar's Fizz Buzz	3 / 3
LCC '21 Contest 2 S2 - Oscar's Bagels	5 / 5
LCC '21 Contest 2 S3 - Gaming But Harder	7 / 7
LCC '21 Contest 2 S4 - Oscar and Aliens	12 / 12
LCC '21 Contest 3 J2 - Numbers to Alphabet	3 / 3
LCC '21 Contest 3 J3 - Tracy's WPM	4.600 / 5
LCC '21 Contest 3 J5 - Ball Picking	7 / 7
LCC '21 Contest 3 S1 - Meow	5 / 5
LCC '21 Contest 3 S2 - Replacement Strings	5 / 5
LCC '21 Contest 3 S3 - Roundabout	10 / 10
LCC '21 Contest 4 J2 - Knights	5 / 5
LCC '21 Contest 4 J3 - Ben's Gaming Addiction	5 / 5
LCC '21 Contest 4 J4 - Stacy the Space Rover	5 / 5
LCC '21 Contest 4 S1 - A New Season of Art	5 / 5
LCC '21 Contest 4 S3 - The Art of War	10 / 10
LCC '21 Contest 5 J4 - Fred's Fish	5 / 5
LCC '21 Contest 5 J5 - Marble Groupings	7 / 7
LCC '21 Contest 6 J1 - Candy Shop	3 / 3
LCC '21 Contest 6 S3 - Empire	10 / 10
LCC '21 Contest 6 S4 - String Counting	15 / 20

Problem	Score
A Base Problem	5 / 5
A Binary Problem	3 / 3
A Counting Problem	15 / 15
A Counting Problem 2	15 / 15
A Cycle Problem	5 / 5
A Dividing Problem	5 / 5
A Fraction Problem	5 / 5
A Harder Coin Problem	12 / 12
A King Problem	12 / 12
A Knapsack Problem	7 / 7
A Lazy Problem	5 / 5
A Loop Problem	3 / 3
A Maximization Problem	7 / 7
A Max Problem	3 / 3
An AQT Problem	7 / 7
An Array Problem	7 / 7
An MST Problem	10 / 10
A Palindrome Problem	3 / 3
A Path Problem	7 / 7
A Path Problem 2	12 / 12
A Prime Problem	5 / 5
A Product Problem	5 / 5
A Range Update Problem	7 / 7
A Rook Problem	10 / 10
Art Academy	5 / 5
Art Academy VI: The Last Stand	11 / 11
A Shady Problem	5 / 5
A Square Problem	7 / 7
A String Problem	5 / 5
A Subarray Problem 2	5 / 5
A Subtracting Problem	3 / 3
A Swapping Problem	5 / 5
A Ternary Problem	3 / 3
A Tree Problem	7 / 7
A Tree Problem 2	15 / 15
A Vector Problem	3 / 3
List Minimum	4 / 4
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Code Golf Challenge P1 - Product	3 / 3
Code Golf Challenge P2 - Summation	5 / 5
Code Golf Challenge P3 - Equation Madness	7 / 7
Code Golf Challenge P4 - Function Minimization	12 / 12
Dim Sum 5 - Not Sure I'm Glad To Be Alive	5.264 / 7
An Exponentiation Problem	5 / 5
Graph Theory	1 / 1
Graph Theory 2	3 / 3
Graph Theory 3	7 / 7
:hudab:	1 / 1
Icebergs	12 / 12
Inaho IV	7 / 7
Inaho V	3 / 3
LCC '21 Contest 2 J2 - 1D Tic-Tac-Toe	3 / 3
LCC '21 Contest 2 S5 - Pretty Places	20 / 20
LCC ‘21 Contest 5 S4 - Palindrome Queries	12 / 12
Mock CCC '19 Contest 1 J1 - Dividers	3 / 3
Mock CCC '19 Contest 1 J2 - CCO	3 / 3
Mock CCC '19 Contest 1 J5 - One-way Hopscotch	7 / 7
Mock CCC '19 Contest 1 S1 - A Complete Problem	5 / 5
Mock CCC '19 Contest 1 S2 - Strings	7 / 7
Mock CCC '19 Contest 1 S3 - Sum Maximization	10 / 10
Mock CCC '20 Contest 1 J1 - Loss	3 / 3
Mock CCC '20 Contest 1 J2 - Tie	3 / 3
Mock CCC '20 Contest 1 J3 - Win	5 / 5
Mock CCC '20 Contest 1 J4 - Immobile Phones	5 / 5
Mock CCC '20 Contest 1 J5 - A Trivial Problem	5 / 5
Middle Squares	5 / 5
MLE '19 Contest 2 P1 - FUN	7 / 7
MLE '19 Contest 2 P2 - Meta	12 / 12
MLE '19 Contest 4 P1 - Hi	3 / 3
MLE '19 Contest 4 P2 - Troll	3 / 3
MLE '19 Contest 4 P3 - Convex Hull Tree	3 / 3
MLE '19 Contest 4 P4 - Wesley	5 / 5
MLE '19 Contest 4 P5 - Geo	5 / 5
MLE '19 Contest 4 P6 - No	5 / 5
MLE '19 Contest 4 P7 - Desperate	5 / 5
MLE '19 Contest 4 P8 - IOI Game	7 / 7
Raytracing	15 / 15
Maintaining a Sequence	12 / 12
Maintaining a Sequence	3 / 3