User HenryYi

Points breakdown

100 / 100

AC | C++11

NOI '21 P1 - Light Heavy Edges

on Dec. 3, 2021, 3:22 a.m.

25pp

weighted 100% (25pp)

25 / 25

AC | C++11

CCO '16 P6 - Pirates

on Sept. 17, 2021, 2:59 a.m.

25pp

weighted 95% (24pp)

100 / 100

AC | C++11

APIO '07 P2 - Backup

on Aug. 21, 2021, 7:20 p.m.

25pp

weighted 90% (23pp)

100 / 100

AC | C++11

JOI '16 Open P3 - Skyscraper

on Aug. 14, 2021, 9:44 p.m.

25pp

weighted 86% (21pp)

100 / 100

AC | C++11

APIO '14 P2 - Split the Sequence

on July 4, 2021, 8:07 p.m.

25pp

weighted 81% (20pp)

125 / 125

AC | C++11

CCO Preparation Test 3 P2 - Packing Up

on July 4, 2021, 8:07 p.m.

25pp

weighted 77% (19pp)

100 / 100

AC | C++11

Lemon Tree

on Aug. 20, 2022, 5:06 p.m.

20pp

weighted 74% (15pp)

100 / 100

AC | C++11

UTS Open '15 #5 - Distribution Channel

on July 9, 2022, 5:03 p.m.

20pp

weighted 70% (14pp)

30 / 30

AC | C++11

CCC '19 S4 - Tourism

on Jan. 26, 2022, 8:08 p.m.

20pp

weighted 66% (13pp)

15 / 15

AC | C++11

CCC '19 S5 - Triangle: The Data Structure

on Jan. 10, 2022, 3:16 a.m.

20pp

weighted 63% (13pp)

Problem	Category	Points
Another Random Contest 1 P2 - Two Sequences	Uncategorized	7p
Another Random Contest 1 P4 - Bracket Query	Uncategorized	15p

Problem	Score
An Animal Contest 1 P2 - Alpaca Racing	5 / 5
An Animal Contest 1 P3 - Happy Alpacas	7 / 7
An Animal Contest 1 P4 - Alpaca Arrays	10 / 10
An Animal Contest 2 P2 - Koala Party	5 / 5
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 2 P4 - Koala Gambling	12 / 12
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
An Animal Contest 5 P4 - Number Game	3 / 12
An Animal Contest 6 P1 - Workout Routine	5 / 5

Problem	Score
Another Contest 2 Problem 2 - Poutine	10 / 10
Another Contest 2 Problem 3 - Poutine	15 / 15
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 7 Problem 3 - Network Connections	10 / 10
Another Contest 8 Problem 2 - Unnecessary Trash Push	3 / 3
Another Contest 8 Problem 3 - Replay Double Ignition	10 / 10
Another Contest 8 Problem 4 - Up and Down	15 / 15
Another Contest 8 Problem 5 - U-Turn Finesse	15 / 15

Problem	Score
APIO '07 P2 - Backup	25 / 25
APIO '09 P3 - The Great ATM Robbery	20 / 20
APIO '10 P1 - Commando	20 / 20
APIO '14 P2 - Split the Sequence	25 / 25

Problem	Score
Baltic OI '17 P6 - Cat in a tree	15 / 15
Baltic OI '18 P2 - Martian DNA	10 / 10
Baltic OI '19 P4 - Tom's Kitchen	15 / 15

User HenryYi

Points breakdown

Authored problems (2)

AAC (85 points)

ACC (81 points)

APIO (90 points)

Baltic OI (40 points)

Bubble Cup (17 points)

CCC (402.200 points)

CCO (188.800 points)

CEOI (22 points)

China NOI (50 points)

COCI (182 points)

Data Structure Tests (37 points)

DMOPC (292.800 points)

DWITE (10 points)

ECOO (21 points)

GFSSOC (17 points)

ICPC (25 points)

IOI (84.310 points)

JOI (45 points)

Mock CCC (17 points)

Mock CCO (55 points)

Olympiads School (24 points)

SAC Coding Challenge (10 points)

Seasonal (47 points)

SIUCF (20 points)

TLE (35 points)

TSOC (5 points)

Uncategorized (515.393 points)

VM7WC (12 points)

WAC (7 points)

Woburn Challenge (48 points)

Problem	Score
CCC '03 S4 - Substrings	9 / 15
CCC '04 S1 - Fix	5 / 5
CCC '04 S3 - Spreadsheet	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '06 S3 - Tin Can Telephone	12 / 12
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 S5 - Switch	4.800 / 12
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 S3 - Chances of Winning	10 / 10
CCC '14 S3 - The Geneva Confection	1.400 / 7
CCC '14 S4 - Tinted Glass Window	1 / 15
CCC '15 J5 - π-day	10 / 10
CCC '15 S3 - Gates	5 / 10
CCC '15 S5 - Greedy For Pies	17 / 17
CCC '16 S3 - Phonomenal Reviews	2.400 / 12
CCC '16 S5 - Circle of Life	20 / 20
CCC '17 S3 - Nailed It!	5.600 / 7
CCC '17 S5 - RMT	20 / 20
CCC '18 S4 - Balanced Trees	15 / 15
CCC '18 S5 - Maximum Strategic Savings	20 / 20
CCC '19 S3 - Arithmetic Square	12 / 12
CCC '19 S4 - Tourism	20 / 20
CCC '19 S5 - Triangle: The Data Structure	20 / 20
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S4 - Swapping Seats	12 / 12
CCC '20 S5 - Josh's Double Bacon Deluxe	17 / 17
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 '21 S4 - Daily Commute	12 / 12
CCC '21 S5 - Math Homework	15 / 15
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 '22 S4 - Good Triplets	15 / 15

Problem	Score
CCO '05 P5 - Segments	10 / 10
CCO '12 P1 - Choose Your Own Arithmetic	7 / 7
CCO '12 P4 - Editor Distance	10 / 10
CCO '13 P1 - All Your Base Belong to Palindromes	10 / 10
CCO '13 P2 - Tourney	12 / 12
CCO '13 P3 - LHC	12 / 12
CCO '16 P6 - Pirates	25 / 25
CCO '17 P4 - Rainfall Storage	20 / 20
CCO '18 P4 - Gradient Descent	15 / 15
CCO '19 P1 - Human Error	10 / 10
CCO '20 P2 - Exercise Deadlines	15 / 15
CCO '21 P1 - Swap Swap Sort	17 / 17
CCO '21 P5 - Bread First Search	8.800 / 20
CCO '22 P2 - Rainy Markets	17 / 17

Problem	Score
CEOI '18 P1 - Cloud Computing	15 / 15
CEOI '19 Practice P1 - Count Squares	7 / 7

Problem	Score
NOI '00 P5 - Frogs Crossing the River	10 / 10
NOI '01 P1 - Food Chain	15 / 15
NOI '21 P1 - Light Heavy Edges	25 / 25

Problem	Score
COCI '06 Contest 4 #4 Zbrka	12 / 12
COCI '07 Contest 3 #5 Cudak	15 / 15
COCI '10 Contest 7 #3 Gitara	7 / 7
COCI '10 Contest 7 #4 Poštar	12 / 12
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 2 #4 Putnik	2 / 12
COCI '13 Contest 4 #2 Gmo	5 / 5
COCI '13 Contest 4 #3 Sumo	10 / 10
COCI '13 Contest 4 #4 Guma	12 / 12
COCI '15 Contest 5 #3 Perica	10 / 10
COCI '15 Contest 5 #4 Poplava	12 / 12
COCI '16 Contest 1 #4 Mag	15 / 15
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 3 #1 Imena	3 / 3
COCI '18 Contest 1 #3 Cipele	10 / 10
COCI '18 Contest 6 #3 Sličice	10 / 10
COCI '18 Contest 6 #4 Simfonija	15 / 15
COCI '19 Contest 6 #5 Trener	15 / 15

Problem	Score
Binary Indexed Tree Test	10 / 10
Segment Tree Test	12 / 15
Binary Search Tree Test	15 / 15

Problem	Score
DMOPC '16 Contest 1 P5 - Blood Tubes	2.400 / 12
DMOPC '18 Contest 1 P4 - Sorting	12 / 12
DMOPC '18 Contest 2 P5 - Another Sequence Problem	15 / 15
DMOPC '18 Contest 3 P4 - Bob and English Class	15 / 15
DMOPC '18 Contest 5 P5 - A Hat Problem	10 / 20
DMOPC '19 Contest 3 P3 - Majority	4.800 / 12
DMOPC '19 Contest 3 P4 - Same Colour Leaves	15 / 15
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 1 P4 - Victor Makes Bank	17 / 17
DMOPC '20 Contest 4 P2 - Beautiful Grids	7 / 7
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 5 P2 - On The Clock	1.400 / 7
DMOPC '20 Contest 5 P4 - Slacking Off	15 / 15
DMOPC '21 Contest 10 P1 - Japaneasy	5 / 5
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 1 P2 - Folding Clothes	7 / 7
DMOPC '21 Contest 1 P3 - Mystery DAG	12 / 12
DMOPC '21 Contest 1 P4 - Uneven Forest	20 / 20
DMOPC '21 Contest 3 P1 - Sums & Differences	7 / 7
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMOPC '21 Contest 3 P3 - Hopping Frogs	15 / 15
DMOPC '21 Contest 3 P4 - Sorting Subsequences	20 / 20
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
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	10 / 10
DMPG '18 S5 - Mimi and Division	15 / 15
DMPG '19 G5 - Hunting the White Whale	13.200 / 20

Problem	Score
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '21 P1 - Many Messages	3 / 3
ECOO '21 P2 - DNA Derren	3 / 3
ECOO '21 P3 - Quintessential Questions	3 / 3
ECOO '21 P4 - Chris' Candy	7 / 7

Problem	Score
ICPC NAQ 2015 G - Safe Passage	10 / 10
ICPC NAQ 2016 D - Brackets	15 / 15

Problem	Score
IOI '01 P1 - Mobile Phones	15 / 15
IOI '02 P4 - Batch Scheduling	20 / 20
IOI '11 P2 - Race	7.310 / 17
IOI '18 P1 - Combo	15 / 15
IOI '98 P3 - Party Lamps	12 / 12
IOI '98 P4 - Picture	15 / 15

Problem	Score
JOI '14 Open P1 - Factories	20 / 20
JOI '16 Open P3 - Skyscraper	25 / 25

Problem	Score
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem	10 / 10

Problem	Score
CCO Preparation Test 3 P2 - Packing Up	25 / 25
Mock CCO '18 Contest 2 Problem 5 - Victor's Triangles	20 / 20
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10

Problem	Score
SAC '22 Code Challenge 4 P2 - Obligatory String Problem	5 / 5
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem	5 / 5

Problem	Score
Back To School '17: Hot and Cold	20 / 20
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
Halloween '14 P3 - Dog Girls	15 / 15

Problem	Score
TLE '16 Contest 4 P4 - Christmas Tree Building	15 / 15
TLE '16 Contest 5 P5 - Better Ranking List	20 / 20

Problem	Score
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Appleby Contest '20 P2 - Playful Playdoughs	5 / 5
Appleby Contest '20 P3 - Ridiculous String	4 / 10
A Plus B	3 / 3
Another Random Contest 1 P1 - Chessgame	5 / 5
Another Random Contest 1 P3 - Physics Olympics	7 / 7
Another Random Contest 1 P5 - A Strange Country	15 / 15
Another Random Contest 1 P6 - Smash Bros	15 / 15
Attraction	10 / 10
PEG Test '14 - Balance	5 / 5
Boxlings	12.857 / 15
Brap Lesh Mafia	5 / 5
Fast Search	15 / 15
Battleships	7.500 / 10
Building	10 / 10
Castle Invasion	10 / 10
Checkerboard Summation (Easy)	12 / 12
Checkerboard Summation (Hard)	15 / 15
Comparing Arrays	3 / 15
CPC '21 Contest 1 P3 - AQT and Circles	10 / 10
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
CPC '21 Contest 1 P5 - AQT and Modern Art	15 / 15
Counting Subsequences	10 / 10
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder R - Walk	15 / 15
Educational DP Contest AtCoder Z - Frog 3	20 / 20
Exam Prep	7 / 7
Fibonacci Sequence	15 / 15
GlobeX Cup '18 S Sample - Chair Stacking	7 / 7
King Graff's Trip	8.036 / 15
HCI '16 - Oversleep	7 / 7
HCI '16 - Cheapest Operation Ever	20 / 20
Lemon Tree	20 / 20
RTE '16 S3 - School Traversal	7 / 7
Sales	20 / 20
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
SGS Programming Challenge P2 - Vending Machine in Lunch	10 / 10
SGS Programming Challenge P4 - Toy in Psychology Class	17 / 17
Skyscrapers	9 / 15
THICC '17 P5 - Smarties	7 / 7
Tree Tasks	10 / 10
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
UCC Coding Competition '21 P4 - Trampoline Jump	7 / 7
UCC Coding Competition '21 P5 - Woodcutting Game	10 / 10
UTS Open '15 #5 - Distribution Channel	20 / 20
UTS Open '21 P3 - Latin Class	10 / 10
William and Summation	7 / 7
A Very Coordinated Christmas	4 / 7

Problem	Score
WC '15 Finals S2 - Hydration	10 / 10
WC '16 Contest 3 S2 - Training Regimen	12 / 12
WC '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 2 S1 - Laser Grid	7 / 7
WC '18 Contest 3 S2 - Gym Tour	12 / 12