User 404

Points breakdown

15 / 15

AC | C++17

DMOPC '20 Contest 3 P5 - Tower of Power

on March 6, 2024, 4:31 a.m.

25pp

weighted 100% (25pp)

100 / 100

AC | C++17

COI '15 #4 Torrent

on Sept. 7, 2022, 9:19 p.m.

25pp

weighted 95% (24pp)

100 / 100

AC | C++17

Baltic OI '18 P5 - Genetics

on Sept. 7, 2022, 1:00 p.m.

25pp

weighted 90% (23pp)

100 / 100

AC | C++17

APIO '11 P1 - Table Coloring

on May 25, 2022, 11:15 p.m.

25pp

weighted 86% (21pp)

100 / 100

AC | C++17

Ray Needs Help

on Aug. 28, 2023, 5:53 p.m.

20pp

weighted 81% (16pp)

100 / 100

AC | C++17

Educational DP Contest AtCoder V - Subtree

on Dec. 4, 2022, 5:35 a.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++17

APIO '15 P3 - Palembang Bridges

on June 5, 2022, 8:57 p.m.

20pp

weighted 74% (15pp)

15 / 15

AC | C++17

CCC '15 S5 - Greedy For Pies

on Sept. 11, 2022, 6:56 p.m.

17pp

weighted 70% (12pp)

100 / 100

AC | C++17

IOI '11 P4 - Crocodile's Underground City (Standard I/O)

on May 31, 2022, 2:27 p.m.

17pp

weighted 66% (11pp)

15 / 15

AC | C++17

CCC '22 S4 - Good Triplets

on Feb. 21, 2024, 2:33 p.m.

15pp

weighted 63% (9.5pp)

Problem	Category	Points
WOSS Dual Olympiad 2023 J1: Minimum Price	Uncategorized	3
WOSS Dual Olympiad 2023 J2: 3 Numbers	Uncategorized	5
WOSS Dual Olympiad 2023 J3/S1: Moving Sand	Uncategorized	7
WOSS Dual Olympiad 2023 S2: Geese Attack	Uncategorized	10
WOSS Dual Olympiad 2023 S3: Flying	Uncategorized	15p
WOSS Dual Olympiad 2023 Team Round P1: Combining Candy Canes	Uncategorized	5
WOSS Dual Olympiad 2023 Team Round P2: Holding Eggnog	Uncategorized	7
WOSS Dual Olympiad 2023 Team Round P3: Choosing Edges	Uncategorized	12

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
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	1 / 10
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
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 4 P1 - Dasher's Digits	5 / 5
An Animal Contest 4 P2 - Lavish Lights	10 / 10
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 6 P2 - G-Pop	1.400 / 7
An Animal Contest 7 P1 - Squirrnect 4	3 / 3
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
Another Contest 9 Problem 1 - Black Room Boy	3 / 3
Another Contest 9 Problem 2 - Counting Down the Days	7 / 7

Problem	Score
APIO '11 P1 - Table Coloring	25 / 25
APIO '15 P3 - Palembang Bridges	20 / 20

Problem	Score
Baltic OI '03 P4 - The Gangs	12 / 12
Baltic OI '07 P6 - Sequence	1.200 / 12
Baltic OI '10 P3 - Printed Circuit Board	12 / 12
Baltic OI '18 P5 - Genetics	25 / 25
Baltic OI '19 P4 - Tom's Kitchen	15 / 15

User 404

Points breakdown

Authored problems (8)

AAC (88.400 points)

ACC (10 points)

APIO (45 points)

Baltic OI (65.200 points)

CCC (391.167 points)

CCO (51.800 points)

Classics (11 points)

COCI (146.045 points)

DMOPC (369.200 points)

FHC (15 points)

Google Code Jam (2.824 points)

ICPC (30 points)

IOI (63 points)

Mock CCC (84 points)

Olympiads School (7 points)

SAC Coding Challenge (51.600 points)

Seasonal (18.440 points)

TLE (15 points)

Uncategorized (610.983 points)

VM7WC (12 points)

WAC (24 points)

Waterloo Local (5 points)

Woburn Challenge (18 points)

YAC (123.700 points)

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S4 - Golf	7 / 7
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '03 S4 - Substrings	3 / 15
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '05 S3 - Quantum Operations	9 / 10
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S3 - Firehose	15 / 15
CCC '10 S4 - Animal Farm	15 / 15
CCC '11 S1 - English or French?	5 / 5
CCC '11 S4 - Blood Distribution	7.500 / 15
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S5 - Factor Solitaire	15 / 15
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '14 S4 - Tinted Glass Window	15 / 15
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 S2 - Tandem Bicycle	5 / 5
CCC '16 S4 - Combining Riceballs	15 / 15
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	11 / 17
CCC '18 J1 - Telemarketer or not?	3 / 3
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	12 / 12
CCC '18 S4 - Balanced Trees	15 / 15
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S3 - Arithmetic Square	9 / 12
CCC '19 S4 - Tourism	4 / 20
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	8.667 / 10
CCC '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S4 - Daily Commute	12 / 12
CCC '22 S2 - Good Groups	5 / 5
CCC '22 S3 - Good Samples	10 / 10
CCC '22 S4 - Good Triplets	15 / 15
CCC '23 S3 - Palindromic Poster	10 / 10

Problem	Score
CCO '03 P4 - Constrained Permutations	5 / 5
CCO '07 P2 - Snowflakes	10 / 10
CCO '11 P4 - Reorganization	7 / 7
CCO '15 P2 - Artskjid	15 / 15
CCO '16 P4 - O Canada	10 / 10
CCO '22 P1 - Alternating Heights	4.800 / 12

Problem	Score
COCI '06 Contest 5 #4 Liga	12 / 12
COCI '11 Contest 6 #5 Pastele	12 / 12
COCI '14 Contest 2 #2 Utrka	2.500 / 5
COCI '15 Contest 5 #4 Poplava	12 / 12
COCI '20 Contest 3 #3 Sateliti	1.545 / 17
COCI '20 Contest 4 #1 Pizza	5 / 5
COCI '21 Contest 6 #1 Med	5 / 5
COCI '21 Contest 6 #3 Naboj	10 / 10
COCI '23 Contest 1 #1 Sudoku	5 / 5
COCI '23 Contest 2 #1 Pahuljice	5 / 5
COCI '23 Contest 2 #2 Pingvin	7 / 7
COCI '23 Contest 2 #4 Kuglice	12 / 12
COCI '23 Contest 2 #5 Zatopljenje	15 / 15
COCI '23 Contest 4 #1 Bingo	5 / 5
COI '06 #1 Patrik	12 / 12
COI '15 #4 Torrent	25 / 25

Problem	Score
DMOPC '14 Contest 4 P4 - Sketchley Park	12 / 12
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	5 / 10
DMOPC '15 Contest 4 P5 - Scribe	15 / 15
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 1 P5 - Intimidating Arrays	15 / 15
DMOPC '17 Contest 5 P5 - XOR Bridges	15 / 15
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 5 P4 - An Art Gallery Problem	12 / 12
DMOPC '19 Contest 7 P0 - Contest Feedback	3 / 3
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
DMOPC '20 Contest 3 P5 - Tower of Power	25 / 25
DMOPC '21 Contest 10 P1 - Japaneasy	5 / 5
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 10 P4 - Bitwise Telephone	0.900 / 17
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 5 P1 - Permutations & Primes	0.500 / 5
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
DMOPC '21 Contest 6 P4 - Colourful Paths	15 / 15
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 8 P1 - Peanut Planning	7 / 7
DMOPC '21 Contest 8 P2 - Kanna Market	10 / 10
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMOPC '22 Contest 1 P2 - Hat Swap	10 / 10
DMOPC '22 Contest 1 P3 - Group Project	6 / 12
DMOPC '22 Contest 1 P4 - Card Game	1.800 / 12
DMOPC '22 Contest 2 P1 - DMOPC Crisis	5 / 5
DMOPC '22 Contest 2 P2 - Line Trace	7 / 7
DMOPC '22 Contest 2 P3 - Good Permutations	12 / 12
DMOPC '22 Contest 2 P6 - Yogyakarta Elevators	2.500 / 25
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '22 Contest 3 P2 - New Components	10 / 10
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
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
DMPG '15 B2 - Trunk in Trunk	5 / 5
DMPG '18 G2 - Gardening Fun	15 / 15
DMPG '19 S6 - A Strange Array	15 / 15

Problem	Score
ACM U of T Tryouts C3 F - A Pleasant Stroll	15 / 15
CTU Open Contest 2018 - Die	3 / 3
CTU Open Contest 2018 - Lighting	12 / 12

Problem	Score
IOI '00 P4 - Walls	12 / 12
IOI '06 P1 - Deciphering the Mayan Writing	7 / 7
IOI '09 P6 - Mecho	15 / 15
IOI '11 P4 - Crocodile's Underground City (Standard I/O)	17 / 17
IOI '95 Practice Task 2 - Word Chains	12 / 12

Problem	Score
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 1 J2 - Biking and Hiking	3 / 3
Mock CCC '22 Contest 1 J4 - Snowball Fight	5 / 5
Mock CCC '22 Contest 1 J5 - New Year's Restrictions	7 / 7
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 J4 - String Decryption	5 / 5
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles	5 / 5
Mock CCC '24 Contest 1 S2 - Owen the Toucan	7 / 7
Mock CCC '24 Contest 1 S3 - Optimal Split Point	8 / 10
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass	5 / 5
Mock CCC '23 1 S1 - Composite Fibonacci Numbers	5 / 5
Mock CCC '23 2 S1 - Composite Fibonacci Numbers	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 Junior P3 - Normal Probabilities	3 / 3
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 Junior P3 - Obligatory Triangle Problem	5 / 5
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem	2.100 / 7
SAC '22 Code Challenge 5 P1 - Querying Plants	3 / 3
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5
SAC '22 Code Challenge 5 P3 - Querying Presents	7 / 7
SAC '22 Code Challenge 5 P4 - Querying Intervals	10 / 10
SAC '22 Code Challenge 5 P5 - Querying Rectangles	4.500 / 15

Problem	Score
Piggy	6.440 / 7
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
WOSS Dual Olympiad 2021 S3: Late for Class!	1 / 10

Problem	Score
16 BIT S/W ONLY	3 / 3
2048	15 / 15
2spooky4me	7 / 7
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 P2 - The Love Letter	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
Appleby Contest '19 P4 - Rectangles	5.950 / 7
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Appleby Contest '20 P2 - Playful Playdoughs	5 / 5
A Coin Problem	12 / 12
ACSL '09 Practice P4 - Rank	7 / 7
A Plus B	3 / 3
Another Random Contest 1 P1 - Chessgame	5 / 5
Another Random Contest 1 P2 - Two Sequences	1.400 / 7
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 J2 - Cake	3 / 3
BPC 1 J3 - Group Project	5 / 5
BPC 1 J4 - Assignment of the Year	1 / 10
BPC 1 S1 - Homework Questions	5 / 5
BSSPC '22 P1 - Bubble Tea Tracker	3 / 3
BSSPC '22 P2 - Rhyming Numbers	3 / 3
BSSPC '22 P3 - Searching for Seats	5 / 5
BSSPC '22 P4 - Exec Pieing	5 / 5
BSSPC '22 P5 - Derrick and Orz Trees	7 / 7
BSSPC '22 P6 - Permutations & Primogems	10 / 10
BSSPC '22 P7 - Exec Team Applications	4 / 10
Back to School '24 P1 - Kicking	5 / 5
Back to School '24 P2 - Cheating	10 / 10
Back to School '24 P3 - Tournament	12 / 12
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 1 J2 - Phys Ed Class	3 / 3
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 J5 - Arithmetic Sequence	10 / 10
Cheerio Contest 1 S1/J4 - Going to School	5 / 5
Cheerio Contest 1 S2 - School Expansion	7 / 7
Cheerio Contest 1 S3 - Stock Trading	7 / 7
Cheerio Contest 1 S4 - Mystery Boxes	10 / 10
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
Cheerio Contest 3 P3 - Everything Array	4.800 / 12
3n+1	3 / 3
Comparing Arrays	15 / 15
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
CPC '21 Contest 1 P5 - AQT and Modern Art	15 / 15
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder Q - Flowers	15 / 15
Educational DP Contest AtCoder V - Subtree	20 / 20
Fibonacci Sequence	13.500 / 15
Geography Class	5 / 5
GlobeX Cup '19 S1 - Planet Classification	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
Longest Balanced Subsequence	4.500 / 15
A Math Contest P1 - Arrays	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance	3 / 3
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 1 (Mock CCC) J4 - Railgun	7 / 7
OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt	10 / 10
Primes	3 / 3
Primes 2	7.500 / 15
Ray Needs Help	20 / 20
Raytracing	1.333 / 10
Spring Coding Bowl '22 P1 - Student Numbers	3 / 3
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Singularity Cup P3 - Interplanetary Travel	15 / 15
Jason's Theorem	10 / 10
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
SGS Programming Challenge P2 - Vending Machine in Lunch	10 / 10
SGS Programming Challenge P3 - Tree in Biology Class	1.500 / 15
SGS Programming Challenge P4 - Toy in Psychology Class	2.500 / 17
Python Infinite Loop	7 / 7
The Contest Contest 1 P1 - A Typical Codeforces Problem	5 / 5
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
UHCC1 P5 - Binary Triangles	7 / 7
VPEX P1 - War on Two Fronts	3 / 3
WOSS Dual Olympiad 2023 J1: Minimum Price	3 / 3
WOSS Dual Olympiad 2023 J2: 3 Numbers	5 / 5
WOSS Dual Olympiad 2023 J3/S1: Moving Sand	7 / 7
WOSS Dual Olympiad 2023 S2: Geese Attack	10 / 10
WOSS Dual Olympiad 2023 S3: Flying	15 / 15
WOSS Dual Olympiad 2023 Team Round P1: Combining Candy Canes	5 / 5
WOSS Dual Olympiad 2023 Team Round P2: Holding Eggnog	7 / 7
WOSS Dual Olympiad 2023 Team Round P3: Choosing Edges	12 / 12

Problem	Score
Wesley's Anger Contest 5 Problem 1 - Matryoshka Acorns	5 / 5
Wesley's Anger Contest 5 Problem 2 - MATH 137 at Squirreloo	7 / 7
Wesley's Anger Contest 5 Problem 3 - Super Squirrel Sisters	12 / 12

Problem	Score
WC '18 Contest 3 J3 - R	3 / 3
WC '18 Finals S3 - Screen Time	15 / 15

Problem	Score
Yet Another Contest 1 P1 - Mixed Doubles	7 / 7
Yet Another Contest 1 P2 - A Boring Problem	10 / 10
Yet Another Contest 1 P3 - Fluke	10 / 10
Yet Another Contest 2 P1 - Betting	1.500 / 5
Yet Another Contest 2 P4 - No More Arithmetic	7.500 / 15
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 3 P3 - Topography	7.500 / 15
Yet Another Contest 3 P4 - Rumour	15 / 15
Yet Another Contest 4 P1 - Snap	5 / 5
Yet Another Contest 4 P2 - Alchemy 2	7 / 7
Yet Another Contest 5 P1 - Number Pyramid	0.700 / 7
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 6 P2 - No More Telemarketers	2.100 / 7
Yet Another Contest 6 P3 - No More Cell Phone Messaging	2.500 / 10
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 7 P4 - Paparazzi	3.400 / 17
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7
Yet Another Contest 8 P3 - Herobrine	4.800 / 12
Yet Another Contest 8 P4 - Fluke 2	2.700 / 15