User Tinyfold

Points breakdown

100 / 100

AC | C++20

TLE 2018-19 P5 - Pure Functional Programming

on Dec. 26, 2025, 1:45 a.m.

40pp

weighted 100% (40pp)

100 / 100

AC | PYPY3

Phantom's Python Challenge

on May 24, 2025, 6:53 p.m.

40pp

weighted 95% (38pp)

100 / 100

AC | C++20

Root Solver

on Dec. 29, 2025, 10:10 p.m.

30pp

weighted 90% (27pp)

100 / 100

AC | C++20

IOI '14 P5 - Friend (Standard I/O)

on Sept. 23, 2025, 8:04 p.m.

30pp

weighted 86% (26pp)

100 / 100

AC | C++20

IOI '14 P5 - Friend

on Sept. 23, 2025, 8:01 p.m.

30pp

weighted 81% (24pp)

25 / 25

AC | C++20

CCO '19 P3 - Winter Driving

on June 27, 2025, 2:15 a.m.

30pp

weighted 77% (23pp)

100 / 100

AC | C++20

APIO '10 P3 - Signaling

on Feb. 1, 2026, 1:07 a.m.

25pp

weighted 74% (18pp)

100 / 100

AC | C++20

COCI '09 Contest 6 #6 Gremlini

on Jan. 8, 2026, 3:11 a.m.

25pp

weighted 70% (17pp)

100 / 100

AC | C++20

IOI '20 P4 - Packing Biscuits

on Dec. 10, 2025, 1:32 p.m.

25pp

weighted 66% (17pp)

100 / 100

AC | C++20

New Year's '18 P6 - Old Christmas Lights II

on Nov. 13, 2025, 1:02 p.m.

25pp

weighted 63% (16pp)

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 6 P2 - G-Pop	7 / 7

Problem	Score
Another Contest 2 Problem 1 - Poutine	15 / 15
Another Contest 2 Problem 3 - Poutine	15 / 15
Another Contest 3 Problem 1 - Diverse Arrays	7 / 7
Another Contest 3 Problem 4 - Range Updates and Range Queries	15 / 15
Another Contest 9 Problem 2 - Counting Down the Days	7 / 7

Problem	Score
APIO '09 P1 - Digging for Oil	20 / 20
APIO '09 P3 - The Great ATM Robbery	20 / 20
APIO '10 P3 - Signaling	25 / 25
APIO '11 P1 - Table Coloring	25 / 25
APIO '12 P1 - Dispatching	17 / 17
APIO '15 P1 - Bali Sculptures	20 / 20
APIO '15 P2 - Jakarta Skyscrapers	20 / 20

Problem	Score
Baltic OI '01 P1 - Postman	10 / 10
Baltic OI '01 P5 - Mars Maps	15 / 15
Baltic OI '02 P1 - Speed Limits	12 / 12
Baltic OI '02 P4 - Bicriterial Routing	12 / 12
Baltic OI '03 P4 - The Gangs	12 / 12
Baltic OI '07 P3 - Sound	10 / 10
Baltic OI '09 P5 - Triangulation	20 / 20
Baltic OI '11 P1 - Growing Trees	20 / 20
Baltic OI '14 P2 - Three Friends	7 / 7
Baltic OI '19 P2 - Nautilus	15 / 15

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Times Tables	3 / 3
BlueBook - Digits	3 / 3
BlueBook - Multiple	3 / 3

User Tinyfold

Points breakdown

Authored problems (1)

AAC (16 points)

ACC (59 points)

APIO (147 points)

Baltic OI (133 points)

BlueBook (12 points)

Bubble Cup (29 points)

CCC (2025 points)

CCO (489 points)

CEOI (55 points)

China NOI (87 points)

CIW (44 points)

Classics (96 points)

COCI (702 points)

CTF (12 points)

Data Structure Tests (57 points)

DMOPC (461 points)

DWITE (21 points)

ECOO (32 points)

EGOI (35 points)

FHC (10 points)

GFSSOC (26 points)

Google Code Jam (10 points)

ICPC (24 points)

IOI (526 points)

JOI (166 points)

Mock CCC (107 points)

Mock CCO (94 points)

MWC (17 points)

Olympiads School (31 points)

Seasonal (140 points)

SIUCF (20 points)

TLE (77 points)

TSOC (3 points)

Uncategorized (1480.200 points)

VM7WC (51 points)

Woburn Challenge (54 points)

YAC (93 points)

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 '00 S3 - Surfing	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '00 S5 - Sheep and Coyotes	10 / 10
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 '01 S2 - Spirals (Exact Version)	7 / 7
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '01 S5 - Post's Correspondence Problem	10 / 10
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J1 - 0123456789 (Hard)	5 / 5
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S3 - Blindfold	15 / 15
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '02 S4 - Bridge Crossing (Hard)	20 / 20
CCC '02 S5 - Follow the Bouncing Ball	10 / 10
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 '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	15 / 15
CCC '03 S5 - Trucking Troubles	10 / 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 J4 - Simple Encryption	5 / 5
CCC '04 J5 - Fractals	10 / 10
CCC '04 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '04 S3 - Spreadsheet	10 / 10
CCC '04 S4 - Space Turtle	10 / 10
CCC '04 S5 - Super Plumber	10 / 10
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 '05 S2 - Mouse Move	5 / 5
CCC '05 S3 - Quantum Operations	10 / 10
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 J3 - Cell-Phone Messaging	3 / 3
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '06 J5 - CCC Othello	10 / 10
CCC '06 S1 - Maternity	5 / 5
CCC '06 S2 - Attack of the CipherTexts	5 / 5
CCC '06 S3 - Tin Can Telephone	12 / 12
CCC '06 S4 - Groups	10 / 10
CCC '06 S5 - Origin of Life	15 / 15
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 J5 - Keep on Truckin'	7 / 7
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '07 S2 - Boxes	5 / 5
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	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 '08 S1 - It's Cold Here!	5 / 5
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '08 S5 - Nukit	10 / 10
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 '09 S1 - Cool Numbers	5 / 5
CCC '09 S2 - Lights Going On and Off	10 / 10
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '09 S5 - Wireless	12 / 12
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 J4 - Global Warming	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '10 S3 - Firehose	15 / 15
CCC '10 S4 - Animal Farm	15 / 15
CCC '10 S5 - Nutrient Tree	20 / 20
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 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 S4 - Blood Distribution	15 / 15
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 S4 - A Coin Game	15 / 15
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 '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 S4 - Tinted Glass Window	15 / 15
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	3 / 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 '17 S5 - RMT	20 / 20
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 J5 - Choose your own path	7 / 7
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	10 / 10
CCC '18 S4 - Balanced Trees	15 / 15
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 J3 - Cold Compress	5 / 5
CCC '19 J5 - Rule of Three	10 / 20
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S3 - Arithmetic Square	12 / 12
CCC '19 S4 - Tourism	20 / 20
CCC '19 S5 - Triangle: The Data Structure	20 / 20
CCC '20 J1 - Dog Treats	3 / 3
CCC '20 J2 - Epidemiology	3 / 3
CCC '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 J4 - Cyclic Shifts (Hard)	12 / 12
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S2 - Escape Room (Hard)	15 / 15
CCC '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
CCC '20 S5 - Josh's Double Bacon Deluxe	17 / 17
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
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 J1 - Cupcake Party	3 / 3
CCC '22 J2 - Fergusonball Ratings	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 J5 - Square Pool	10 / 10
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
CCC '22 S5 - Good Influencers	17 / 17
CCC '23 J1 - Deliv-e-droid	3 / 3
CCC '23 J2 - Chili Peppers	3 / 3
CCC '23 J3 - Special Event	5 / 5
CCC '23 J5 - CCC Word Hunt	10 / 10
CCC '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
CCC '23 S5 - The Filter	20 / 20
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	7 / 7
CCC '24 J5 - Harvest Waterloo	7 / 7
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S2 - Heavy-Light Composition	5 / 5
CCC '24 S3 - Swipe	10 / 10
CCC '24 S4 - Painting Roads	12 / 12
CCC '24 S5 - Chocolate Bar Partition	20 / 20
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 '25 S3 - Pretty Pens	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '25 S5 - To-Do List	17 / 17
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '96 S2 - Divisibility by 11	7 / 7
CCC '96 S3 - Pattern Generator	5 / 5
CCC '96 S4 - When in Rome	10 / 10
CCC '96 S5 - Maximum Distance	7 / 7
CCC '97 S1 - Sentences	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '97 S3 - Double Knockout Competition	5 / 5
CCC '97 S4 - Dynamic Dictionary Coding	5 / 5
CCC '97 S5 - Long Division	10 / 10
CCC '98 S1 - Censor	5 / 5
CCC '98 S2 - Cross Number Puzzle	5 / 5
CCC '98 S3 - Mars Rover	7 / 7
CCC '98 S4 - Lottery	10 / 10
CCC '98 S5 - Mountain Passage	10 / 10
CCC '99 S1 - Card Game	5 / 5
CCC '99 S2 - Year 2000	7 / 7
CCC '99 S3 - Divided Fractals	7 / 7
CCC '99 S4 - A Knightly Pursuit	12 / 12
CCC '99 S5 - Letter Arithmetic	12 / 12
CCOQR '16 - Stupendous Bowties	10 / 10
CCOQR '16 - Through A Maze Darkly	20 / 20
CCOQR '16 - Data Structure	15 / 15
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '08 J4 - Tic-tac-toe	5 / 5
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
CCCHK '15 J2 - What is the minimum area?	5 / 5
CCCHK '15 J3 - Queens can't attack me!	5 / 5
CCCHK '15 J4 - Where to build my house?	5 / 5
CCCHK '15 J5 - No friends in the same group.	15 / 15
CCCHK '15 S1 - Finding number of pairs	7 / 7
CCCHK '15 S2 - Matching Problem	10 / 10
CCCHK '15 S3 - Symmetric Cross	12 / 12
CCCHK '15 S4 - When to meet?	15 / 15

Problem	Score
CCO '01 P4 - Breaking Level (Standard I/O)	12 / 12
CCO '02 P5 - Connect The Campus	12 / 12
CCO '03 P4 - Constrained Permutations	5 / 5
CCO '04 P1 - Scribble	5 / 5
CCO '06 P1 - CN Tower	5 / 5
CCO '07 P2 - Snowflakes	10 / 10
CCO '08 P5 - Candy	7 / 7
CCO '09 P6 - A Weighty Problem	12 / 12
CCO '10 P3 - Wowow	15 / 15
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '11 P2 - Vampire Tunnels	15 / 15
CCO '11 P4 - Reorganization	7 / 7
CCO '12 P2 - The Hungary Games	15 / 15
CCO '12 P6 - The Winds Of War	12 / 12
CCO '13 P6 - Repetitivity	25 / 25
CCO '14 P1 - Troyangles	10 / 10
CCO '14 P4 - Where's That Fuel?	7 / 7
CCO '15 P2 - Artskjid	15 / 15
CCO '15 P4 - Cars on Ice	10 / 10
CCO '16 P5 - Zombie Apocalypse	15 / 15
CCO '17 P5 - Professional Network	20 / 20
CCO '18 P2 - Wrong Answer	12 / 12
CCO '19 P2 - Sirtet	20 / 20
CCO '19 P3 - Winter Driving	30 / 30
CCO '19 P5 - Marshmallow Molecules	15 / 15
CCO '19 P6 - Bad Codes	20 / 20
CCO '20 P4 - Travelling Salesperson	25 / 25
CCO '21 P1 - Swap Swap Sort	17 / 17
CCO '21 P2 - Weird Numeral System	17 / 17
CCO '21 P5 - Bread First Search	20 / 20
CCO '23 P2 - Real Mountains	17 / 17
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '25 P1 - Asteroid Mining	15 / 15
CCO '96 P1 - Train Swapping	5 / 5
CCO '97 P2 - Alien Invasion	10 / 10
CCO '98 P6 - Derek's Dilemma	12 / 12

Problem	Score
CEOI '16 P2 - Kangaroo	20 / 20
CEOI '17 P4 - Building Bridges	20 / 20
CEOI '18 P2 - Global Warming	15 / 15

Problem	Score
NOI '01 P1 - Food Chain	15 / 15
NOI '04 P1 - The Depressed Cashier	20 / 20
NOI '08 P1 - Masquerade Party	15 / 15
NOI '10 P2 - Super Piano	25 / 25
NOI '15 P1 - Automated Program Analyzer	12 / 12

Problem	Score
CIW '25 P1 - Course Override	7 / 7
CIW '25 P2 - Chocolate Bar Partition 2	12 / 12
CIW '25 P4 - Hit the Griddy	10 / 10
CIW '25 P5 - Polling Stations	15 / 15

Problem	Score
2-Dimensional Range Minimum Query	17 / 17
Sorting	3 / 3
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
HopScotch II	12 / 12
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Modular Multiplicative Inverse	7 / 7
Quine	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 2 #4 Sjecišta	7 / 7
COCI '06 Contest 2 #5 Stol	12 / 12
COCI '06 Contest 3 #5 Bicikli	15 / 15
COCI '06 Contest 4 #2 Skener	3 / 3
COCI '06 Contest 4 #5 Jogurt	12 / 12
COCI '06 Contest 5 #1 Trik	3 / 3
COCI '07 Contest 2 #5 Kemija	15 / 15
COCI '07 Contest 6 #4 George	15 / 15
COCI '08 Contest 1 #2 Ptice	5 / 5
COCI '08 Contest 1 #3 Mravojed	10 / 10
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '08 Contest 4 #4 Slikar	17 / 17
COCI '09 Contest 1 #5 Genijalac	12 / 12
COCI '09 Contest 2 #6 Pasijans	15 / 15
COCI '09 Contest 3 #5 Patuljci	17 / 17
COCI '09 Contest 4 #4 Ograda	15 / 15
COCI '09 Contest 4 #5 Kaboom	12 / 12
COCI '09 Contest 5 #4 Zuma	15 / 15
COCI '09 Contest 6 #4 Xor	15 / 15
COCI '09 Contest 6 #6 Gremlini	25 / 25
COCI '09 Contest 7 #4 Svemir	12 / 12
COCI '09 Contest 7 #5 Kraljevi	15 / 15
COCI '10 Contest 2 #5 Lunapark	15 / 15
COCI '10 Contest 2 #6 Crni	12 / 12
COCI '10 Contest 3 #5 Diferencija	12 / 12
COCI '10 Contest 4 #5 Dugovi	12 / 12
COCI '10 Contest 6 #4 Abeceda	10 / 10
COCI '10 Contest 7 #3 Gitara	7 / 7
COCI '10 Contest 7 #5 Kuglice	12 / 12
COCI '11 Contest 2 #4 KompičI	7 / 7
COCI '11 Contest 3 #4 Robot	7 / 7
COCI '11 Contest 6 #4 Rez	10 / 10
COCI '11 Contest 6 #6 Košare	15 / 15
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 1 #4 Lopov	15 / 15
COCI '13 Contest 3 #1 Riječi	5 / 5
COCI '14 Contest 3 #4 Coci	15 / 15
COCI '14 Contest 5 #1 Funghi	3 / 3
COCI '14 Contest 6 #4 Kratki	10 / 10
COCI '14 Contest 6 #5 Neo	17 / 17
COCI '14 Contest 7 #3 ACM	12 / 12
COCI '15 Contest 4 #3 Deathstar	7 / 7
COCI '15 Contest 4 #4 Chewbacca	12 / 12
COCI '15 Contest 5 #4 Poplava	12 / 12
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '16 Contest 3 #2 Pohlepko	7 / 7
COCI '16 Contest 4 #3 Kas	10 / 10
COCI '16 Contest 5 #4 Ronald	12 / 12
COCI '16 Contest 6 #5 Sirni	15 / 15
COCI '17 Contest 2 #3 Doktor	10 / 10
COCI '17 Contest 5 #2 Spirale	7 / 7
COCI '17 Contest 5 #4 Karte	15 / 15
COCI '18 Contest 1 #3 Cipele	10 / 10
COCI '18 Contest 1 #4 Strah	15 / 15
COCI '18 Contest 3 #1 Magnus	5 / 5
COCI '18 Contest 4 #1 Elder	5 / 5
COCI '19 Contest 3 #3 Drvca	15 / 15
COCI '20 Contest 3 #1 Knjige	7 / 7
COCI '20 Contest 5 #2 Po	7 / 7
COCI '20 Contest 5 #3 Magenta	12 / 12
COCI '20 Contest 6 #3 Anagramistica	12 / 12
COI '06 #1 Patrik	12 / 12
COCI '07 Regional #4 Jednakost	12 / 12
COCI '08 Regional #2 Majstor	5 / 5

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 C1 - All the bases!	3 / 3

Problem	Score
Disjoint Set Test	10 / 10
Segment Tree Test	15 / 15
Binary Search Tree Test	15 / 15
Strict Evaluation	17 / 17

Problem	Score
DMOPC '14 Contest 1 P1 - Median Mark	5 / 5
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '14 Contest 2 P1 - Logging Log	3 / 3
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10 / 10
DMOPC '14 Contest 3 P1 - Not Enough Users!	3 / 3
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '14 Exam Time P1 - French Homework	3 / 3
DMOPC '14 Exam Time P6 - Math Homework	15 / 15
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 5 P5 - World Line Convergence	15 / 15
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '15 Contest 7 P5 - Ariadne's Thread	17 / 17
DMOPC '16 Contest 1 P0 - C.C. and Cheese-kun	3 / 3
DMOPC '16 Contest 4 P4 - Molly and Manga Shopping	15 / 15
DMOPC '17 Contest 1 P4 - Quests	12 / 12
DMOPC '18 Contest 1 P3 - Sorting	12 / 12
DMOPC '18 Contest 4 P3 - Dr. Henri and Ionization	10 / 10
DMOPC '18 Contest 6 P5 - Quadrat Sampling	20 / 20
DMOPC '19 Contest 1 P3 - Simple Math	12 / 12
DMOPC '19 Contest 2 P4 - A Greedy Problem	15 / 15
DMOPC '19 Contest 3 P4 - Same Colour Leaves	15 / 15
DMOPC '19 Contest 4 P3 - Taking Cues	12 / 12
DMOPC '19 Contest 7 P5 - Soriya's Programming Project	20 / 20
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
DMOPC '20 Contest 6 P3 - Bread Merchant	10 / 10
DMOPC '21 Contest 10 P3 - Peculiar Reflections	12 / 12
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 9 P2 - String Puzzle	7 / 7
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 4 P2 - Fake Painting	10 / 10
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P3 - Sorted XOR	12 / 12
DMPG '15 S5 - Black and White	12 / 12
DMPG '15 S6 - Apples to Oranges	17 / 17
DMPG '16 S5 - Pizza Bag	12 / 12
DMPG '17 G2 - Holy Grail War	17 / 17
DMPG '18 S5 - Mimi and Division	15 / 15

Problem	Score
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '09 R6 #4 - Time for Change	7 / 7
DWITE '12 R5 #3 - Triangle Count	7 / 7

Problem	Score
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '17 R2 P3 - Lunch Time	12 / 12
ECOO '17 R3 P4 - Ice Cream Beach	15 / 15

Problem	Score
EGOI '22 P2 - Lego Wall	15 / 15
EGOI '23 P2 - Padel Prize Pursuit	10 / 10
EGOI '23 P5 - Carnival General	10 / 10

Problem	Score
GFSSOC '14 Winter J1 - Flying Plushies	3 / 3
GFSSOC '14 Winter J2 - Wow much parking lot	3 / 3
GFSSOC '14 Winter J3 - Waiting	3 / 3
GFSSOC '15 Fall S5 - Raider	17 / 17

Problem	Score
ICPC NEERC Northern Subregional 2007 E - Elevator	17 / 17
ICPC PACNW 2016 H - Paint	7 / 7

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '00 P2 - Car Parking	15 / 15
IOI '00 P4 - Walls	12 / 12
IOI '04 P4 - Phidias	10 / 10
IOI '07 P3 - Sails	25 / 25
IOI '08 P1 - Type Printer	12 / 12
IOI '09 P3 - POI	7 / 7
IOI '09 P5 - Garage	7 / 7
IOI '09 P6 - Mecho	10 / 10
IOI '09 P7 - Regions	20 / 20
IOI '10 P1 - Cluedo	5 / 5
IOI '10 P5 - Memory	5 / 5
IOI '10 P6 - Traffic Congestion	10 / 10
IOI '10 P6 - Traffic Congestion (Standard I/O)	10 / 10
IOI '11 P1 - Tropical Garden	25 / 25
IOI '11 P1 - Tropical Garden (Standard I/O)	25 / 25
IOI '11 P2 - Race	17 / 17
IOI '11 P2 - Race (Standard I/O)	17 / 17
IOI '13 P1 - Dreaming	15 / 15
IOI '13 P1 - Dreaming (Standard I/O)	15 / 15
IOI '14 P4 - Gondola	15 / 15
IOI '14 P4 - Gondola (Standard I/O)	15 / 15
IOI '14 P5 - Friend	30 / 30
IOI '14 P5 - Friend (Standard I/O)	30 / 30
IOI '14 Practice Task 3 - Tile	10 / 10
IOI '15 P5 - Sorting	25 / 25
IOI '15 P5 - Sorting (Standard I/O)	25 / 25
IOI '15 P6 - Towns	10 / 40
IOI '18 P1 - Combo	15 / 15
IOI '20 P4 - Packing Biscuits	25 / 25
IOI '25 P1 - Souvenirs	25 / 25
IOI '94 P1 - The Triangle	7 / 7
IOI '96 P3 - Network of Schools	12 / 12
IOI '99 P1 - Little Shop of Flowers	10 / 10

Problem	Score
JOI '05 Final Round P1 - Questionnaire	3 / 3
JOI '05 Final Round P2 - String	5 / 5
JOI '05 Final Round P3 - Square	5 / 5
JOI '05 Final Round P4 - String of Rings	7 / 7
JOI '05 Final Round P5 - Sheets	15 / 15
JOI '13 Open P3 - Watching	15 / 15
JOI '14 Open P1 - Factories	20 / 20
JOI '14 Open P6 - Secret	17 / 17
JOI '16 Final P1 - Foehn Phenomena	10 / 10
JOI '17 Final P4 - Commuter Pass	15 / 15
JOI '19 Final P3 - Collecting Stamps 3	15 / 15
JOI '20 Open P3 - Power Plant	15 / 15
JOI '22 Final P2 - Self Study	12 / 12
JOI '23 Open P3 - Garden	12 / 12

Problem	Score
Mock CCC '22 Contest 2 J5 - Dominating the Olympics	10 / 10
Mock CCC '14 S4 - Roadtrip Tracking	15 / 15
Mock CCC '18 Contest 1 S4 - A Graph Problem	12 / 12
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	7 / 7
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem	10 / 10
Mock CCC '18 Contest 2 S4 - A Tree Problem	12 / 12
Mock CCC '18 Contest 3 S4 - A Graph Problem	10 / 10
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri	12 / 12
Mock CCC '21 S4 - Infinite Molecule	12 / 12

Problem	Score
CCO Preparation Test 5 P1 - City Game	15 / 15
CCO Preparation Test 6 P2 - An Easy Problem	12 / 12
CCO Preparation Test 6 P3 - HopScotch	20 / 20
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem	12 / 12
Mock CCO '18 Contest 2 Problem 5 - Victor's Triangles	20 / 20
Mock CCO '18 Contest 4 Problem 3 - Counterattack	15 / 15

Problem	Score
MWC '15 #1 P5: Love Guru	7 / 7
MWC '15 #2 P2: Towering Towers	10 / 10

Problem	Score
A Sum Problem	12 / 12
OCC '19 S3 - NAN Language	7 / 7
OCC '19 S4 - Playing with Numbers	12 / 12

Problem	Score
Back To School '17: 🅱aram🅱e	3 / 3
Canada Day Contest 2021 - Bob and Canada	7 / 7
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
CCCJQR P2	3 / 3
CCCJQR P3	7 / 7
Halloween '14 P1 - Rabbit Girls	3 / 3
Miracle Sort	3 / 3
MNYC '16: King Modulus	3 / 3
Piggy	7 / 7
TLE 2018-19 P5 - Pure Functional Programming	40 / 40
Too Simple	7 / 7
New Year's '15 P1 - Invitation Devastation	3 / 3
New Year's '16 P7 - Old Christmas Lights	17 / 17
New Year's '18 P6 - Old Christmas Lights II	25 / 25

Problem	Score
TLE '16 Contest 3 P5 - LAN Party	15 / 15
TLE '16 Contest 4 P4 - Christmas Tree Building	15 / 15
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax	15 / 15
TLE '16 Contest 8 P2 - Dank Meme	3 / 3
TLE '16 Contest 8 P3 - Fool's Sequence	12 / 12
TLE '16 Contest 8 P4 - Delivery Service	17 / 17

Problem	Score
16 BIT S/W ONLY	3 / 3
2048	15 / 15
2-D Permutations	10 / 10
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
A20 Gate	5 / 5
Triple Fat Ladies	5 / 5
AAAA 1 P1 - Even-Odd Sort	7 / 7
AAAA 1 P2 - Heavy-Light Composition	7 / 7
AAAA 1 P3 - Topographical Sort	12 / 12
Appleby Contest '19 P5 - Matrix Operation	10 / 10
ACSL '09 Practice P4 - Rank	7 / 7
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 1 P5 - Hacking Grades	7 / 7
Alphabet Score	3 / 3
Andrew Needs Help	12 / 12
A Plus B	3 / 3
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Lexicographically Least Substring	5 / 5
Lexicographically Least Substring (Hard)	15 / 15
String Finding	5 / 5
String Finding - Hacking	10 / 10
Bit Combinations	7 / 7
Boolean	3 / 3
BSSPC '21 S3 - James's Egirl Discord Status	7 / 7
Back to School '24 P3 - Tournament	12 / 12
Back to School '24 P4 - Candidates	15 / 15
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 S4 - Mystery Boxes	10 / 10
3n+1	3 / 3
CPC '19 Contest 1 P2 - Luggage	7 / 7
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Please Help Me	15 / 15
Dominoes	25 / 25
Maximum Sum	7 / 7
A Game	10 / 10
Longest Increasing Subsequence	7 / 7
Counting Subsequences	10 / 10
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Educational DP Contest AtCoder C - Vacation	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Educational DP Contest AtCoder E - Knapsack 2	7 / 7
Educational DP Contest AtCoder F - LCS	7 / 7
Educational DP Contest AtCoder G - Longest Path	10 / 10
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder I - Coins	10 / 10
Educational DP Contest AtCoder J - Sushi	12 / 12
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder N - Slimes	12 / 12
Educational DP Contest AtCoder O - Matching	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder Q - Flowers	15 / 15
Educational DP Contest AtCoder R - Walk	15 / 15
Educational DP Contest AtCoder Y - Grid 2	17 / 17
Fast Factorial Calculator	7 / 7
Fast Bit Counting	3 / 3
Fibonacci Sequence	15 / 15
Firebending	3 / 3
Good Debugging	17 / 17
Good Aim	10 / 10
Good Inflation	20 / 20
King Graff's Trip	15 / 15
Graph Contest 1 P1 - Counting Paths	10 / 10
Graph Contest 1 P2 - Shortest Path	5 / 5
Graph Contest 1 P3 - Counting Cycles	10 / 10
Graph Contest 2 P1 - Connected Components	7 / 7
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 2 P3 - Trees	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P2 - Shortest Path	10 / 10
Graph Contest 3 P3 - Cable TV	7 / 7
Hardcore Grinding	5 / 5
Hailstone Numbers	3 / 3
HCI '16 - Foodie	7 / 7
HCI '16 - Oversleep	7 / 7
HCI '16 - Cheapest Operation Ever	20 / 20
Hello, World!	3 / 3
Hello, World! (Harder)	24.200 / 40
Infinity	3 / 3
Knapsack 3	10 / 10
K-th Minimum Number	17 / 17
Levve Loves Segment Trees	15 / 15
Liars	15 / 15
Lil' Jami	5 / 5
Linked List	20 / 20
LKP '18 Contest 2 P1 - Food Lines	3 / 3
Guess the Sequence	3 / 3
A Math Contest P1 - Arrays	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P3 - LIS Reconstruction	7 / 7
A Math Contest P4 - Circle Cutting	7 / 7
A Math Contest P5 - Good Arrays	7 / 7
A Math Contest P6 - Global Maximum	10 / 10
A Math Contest P7 - Factors	10 / 10
A Math Contest P8 - Permutation Counting	12 / 12
MMCC '15 P1 - Inaho	15 / 15
The Odd Number	7 / 7
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
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
OTHS Coding Competition 4 P4 - Mathemagical Experiment	10 / 10
OTHS Coding Competition 4 P5 - Teleport	12 / 12
Path Finder	10 / 10
Phantom's Python Challenge	40 / 40
Prime Bag	20 / 20
Prime Factorization	5 / 5
Primes	3 / 3
Primes 2	15 / 15
Primes 3	15 / 15
Pulse	3 / 3
Self-deception	15 / 15
Ray Needs Help	20 / 20
Root Solver	30 / 30
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma	15 / 15
The Cosmic Era P1 - Ship	3 / 3
The Cosmic Era P4 - Freedom Appears!	7 / 7
Dynamic Range Minimum Test	12 / 12
Python Infinite Loop	7 / 7
SMAC 08/09 (Oct) #3 - Jumpscotch	12 / 12
Stacked	7 / 7
STNBD P1 - Ren Ashbell	3 / 3
STNBD P2 - Claire Elstein	12 / 12
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Segment Tree Practice 3	15 / 15
Segment Tree Practice 4	17 / 17
Tall	15 / 15
THICC '17 P5 - Smarties	7 / 7
Threes	3 / 3
Towers	3 / 3
Tropical Bananas	10 / 10
UACC 1 P3 - Cheeky Checkers	7 / 7
UHCC1 P5 - Binary Triangles	7 / 7
UTS Open '15 #3 - Pogo	25 / 25
UTS Open '18 P3 - Restaurants	7 / 7
UTS Open '18 P4 - Ianine's Lil Lab	10 / 10
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P4 - Political Espionage	12 / 12
Valentine's Day '19 J3 - Love!	7 / 7
VPEX P5 - Points Redistribution	20 / 20
James' XOR Update	12 / 12
Zeroes	15 / 15

Problem	Score
VM7WC '15 #1 Bronze - Goon	3 / 3
VM7WC '15 #2 Bronze - Recruits!	3 / 3
VM7WC '15 #2 Gold - Uniting the Earth Empire	12 / 12
VM7WC '15 #4 Bronze - Melanie's Cradles	3 / 3
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #5 Silver - Jayden Plays Video Games	15 / 15
VM7WC '16 #6 Gold - Cold War Telecom	10 / 10

Problem	Score
WC '15 Contest 2 J1 - A New Hope	3 / 3
WC '16 Contest 1 J1 - A Spooky Season	3 / 3
WC '16 Contest 3 S2 - Training Regimen	12 / 12
WC '17 Contest 1 J1 - Canadian Accent	3 / 3
WC '17 Contest 1 J2 - How's the Weather?	3 / 3
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '17 Contest 4 S2 - Strange Travels	10 / 10
WC '18 Contest 3 J1 - An Honest Day's Work	3 / 3
WC '18 Contest 3 S2 - Gym Tour	12 / 12

Problem	Score
Yet Another Contest 1 P4 - No More Searching	12 / 12
Yet Another Contest 2 P2 - Secret Sequence	7 / 7
Yet Another Contest 3 P2 - Work Experience	10 / 10
Yet Another Contest 3 P4 - Rumour	15 / 15
Yet Another Contest 5 P2 - Big Score	10 / 10
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 7 P3 - No More Math Homework	12 / 12
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7