User richardzhang

Problem	Score
APIO '07 P2 - Backup	25.0 / 25.0
APIO '08 P2 - Roads	20.0 / 20.0
APIO '09 P3 - The Great ATM Robbery	20.0 / 20.0
APIO '10 P1 - Commando	20.0 / 20.0
APIO '10 P2 - Patrol	20.0 / 20.0
APIO '12 P1 - Dispatching	17.0 / 17.0
APIO '13 P2 - Toll	35.0 / 35.0
APIO '14 P2 - Split the Sequence	25.0 / 25.0
APIO '15 P2 - Jakarta Skyscrapers	20.0 / 20.0
APIO '19 P3 - Street Lamps	7.0 / 35.0

Problem	Score
Baltic OI '17 P3 - Railway	17.0 / 17.0
Baltic OI '19 P2 - Nautilus	15.0 / 15.0

Problem	Score
Bubble Cup V8 B Bribes	20.0 / 20.0
Bubble Cup V9 D Potions homework	5.0 / 5.0

Problem	Score
CCC '00 J1 - Calendar	5.0 / 5.0
CCC '00 S3 - Surfing	7.0 / 7.0
CCC '00 S4 - Golf	10.0 / 10.0
CCC '00 S5 - Sheep and Coyotes	5.0 / 10.0
CCC '01 J1 - Dressing Up	3.0 / 3.0
CCC '01 J2 - Mod Inverse	3.0 / 3.0
CCC '01 S3 - Strategic Bombing	10.0 / 10.0
CCC '02 S4 - Bridge Crossing	10.0 / 10.0
CCC '03 J1 - Trident	3.0 / 3.0
CCC '03 S1 - Snakes and Ladders	5.0 / 5.0
CCC '03 S3 - Floor Plan	7.0 / 7.0
CCC '03 S4 - Substrings	15.0 / 15.0
CCC '03 S5 - Trucking Troubles	12.0 / 12.0
CCC '04 J1 - Squares	3.0 / 3.0
CCC '04 J2 - Terms of Office	3.0 / 3.0
CCC '04 J3 - Smile with Similes	3.0 / 3.0
CCC '05 J1 - The Cell Sell	3.0 / 3.0
CCC '05 J2 - RSA Numbers	3.0 / 3.0
CCC '05 J3 - Returning Home	5.0 / 5.0
CCC '05 J5 - Bananas	10.0 / 10.0
CCC '05 S1 - Snow Calls	5.0 / 5.0
CCC '05 S4 - Pyramid Message Scheme	10.0 / 10.0
CCC '05 S5 - Pinball Ranking	15.0 / 15.0
CCC '06 J1 - Canadian Calorie Counting	3.0 / 3.0
CCC '06 J4 - It's tough being a teen!	7.0 / 7.0
CCC '07 J1 - Who is in the Middle?	3.0 / 3.0
CCC '07 J2 - I Speak TXTMSG	3.0 / 3.0
CCC '07 J3 - Deal or No Deal Calculator	3.0 / 3.0
CCC '07 J5 - Keep on Truckin'	7.0 / 7.0
CCC '07 S2 - Boxes	5.0 / 5.0
CCC '07 S3 - Friends	10.0 / 10.0
CCC '07 S4 - Waterpark	7.0 / 7.0
CCC '07 S5 - Bowling for Numbers	10.0 / 10.0
CCC '08 J1 - Body Mass Index	3.0 / 3.0
CCC '08 J2 - Do the Shuffle	3.0 / 3.0
CCC '08 J3 - GPS Text Entry	3.0 / 3.0
CCC '08 J4 - From Prefix to Postfix	7.0 / 7.0
CCC '08 S1 - It's Cold Here!	5.0 / 5.0
CCC '08 S2 - Pennies in the Ring	5.0 / 5.0
CCC '08 S3 - Maze	7.0 / 7.0
CCC '09 J3 - Good Times	5.0 / 5.0
CCC '09 S1 - Cool Numbers	5.0 / 5.0
CCC '09 S3 - Degrees Of Separation	10.0 / 10.0
CCC '09 S4 - Shop and Ship	10.0 / 10.0
CCC '09 S5 - Wireless	15.0 / 15.0
CCC '10 J1 - What is n, Daddy?	3.0 / 3.0
CCC '10 J3 - Punchy	5.0 / 5.0
CCC '10 J4 - Global Warming	5.0 / 5.0
CCC '10 J5 - Knight Hop	7.0 / 7.0
CCC '10 S3 - Firehose	15.0 / 15.0
CCC '11 J1 - Which Alien?	3.0 / 3.0
CCC '11 J2 - Who Has Seen The Wind	5.0 / 5.0
CCC '11 J3 - Sumac Sequences	5.0 / 5.0
CCC '11 J4 - Boring Business	7.0 / 7.0
CCC '11 J5 - Unfriend	7.0 / 7.0
CCC '11 S1 - English or French?	5.0 / 5.0
CCC '11 S2 - Multiple Choice	5.0 / 5.0
CCC '11 S4 - Blood Distribution	10.0 / 10.0
CCC '12 J1 - Speed fines are not fine!	3.0 / 3.0
CCC '12 J2 - Sounds fishy!	3.0 / 3.0
CCC '12 J3 - Icon Scaling	3.0 / 3.0
CCC '12 S2 - Aromatic Numbers	5.0 / 5.0
CCC '12 S3 - Absolutely Acidic	7.0 / 7.0
CCC '12 S4 - A Coin Game	15.0 / 15.0
CCC '13 J1 - Next in line	3.0 / 3.0
CCC '13 J4 - Time on task	5.0 / 5.0
CCC '13 S1 - From 1987 to 2013	5.0 / 5.0
CCC '13 S2 - Bridge Transport	5.0 / 5.0
CCC '13 S3 - Chances of Winning	12.0 / 12.0
CCC '13 S4 - Who is Taller?	7.0 / 7.0
CCC '13 S5 - Factor Solitaire	15.0 / 15.0
CCC '14 J1 - Triangle Times	3.0 / 3.0
CCC '14 J2 - Vote Count	3.0 / 3.0
CCC '14 S1 - Party Invitation	5.0 / 5.0
CCC '14 S2 - Assigning Partners	5.0 / 5.0
CCC '14 S3 - The Geneva Confection	7.0 / 7.0
CCC '14 S4 - Tinted Glass Window	15.0 / 15.0
CCC '14 S5 - Lazy Fox	20.0 / 20.0
CCC '15 J1 - Special Day	3.0 / 3.0
CCC '15 J2 - Happy or Sad	3.0 / 3.0
CCC '15 J5 - π-day	10.0 / 10.0
CCC '15 S1 - Zero That Out	3.0 / 3.0
CCC '15 S2 - Jerseys	5.0 / 5.0
CCC '15 S3 - Gates	10.0 / 10.0
CCC '15 S4 - Convex Hull	15.0 / 15.0
CCC '15 S5 - Greedy For Pies	10.667 / 20.0
CCC '16 J1 - Tournament Selection	3.0 / 3.0
CCC '16 J2 - Magic Squares	3.0 / 3.0
CCC '16 J3 - Hidden Palindrome	5.0 / 5.0
CCC '16 S1 - Ragaman	3.0 / 3.0
CCC '16 S2 - Tandem Bicycle	5.0 / 5.0
CCC '16 S3 - Phonomenal Reviews	15.0 / 15.0
CCC '16 S4 - Combining Riceballs	15.0 / 15.0
CCC '16 S5 - Circle of Life	20.0 / 20.0
CCC '17 J1 - Quadrant Selection	3.0 / 3.0
CCC '17 J2 - Shifty Sum	3.0 / 3.0
CCC '17 J4 - Favourite Times	5.0 / 5.0
CCC '17 S1 - Sum Game	3.0 / 3.0
CCC '17 S2 - High Tide, Low Tide	5.0 / 5.0
CCC '17 S3 - Nailed It!	7.0 / 7.0
CCC '17 S4 - Minimum Cost Flow	17.0 / 17.0
CCC '17 S5 - RMT	20.0 / 20.0
CCC '18 J5 - Choose your own path	7.0 / 7.0
CCC '18 S1 - Voronoi Villages	3.0 / 3.0
CCC '18 S3 - RoboThieves	12.0 / 12.0
CCC '18 S4 - Balanced Trees	15.0 / 15.0
CCC '18 S5 - Maximum Strategic Savings	20.0 / 20.0
CCC '19 S2 - Pretty Average Primes	5.0 / 5.0
CCC '19 S3 - Arithmetic Square	4.5 / 12.0
CCC '19 S4 - Tourism	20.0 / 20.0
CCC '19 S5 - Triangle: The Data Structure	20.0 / 20.0
CCC '20 S1 - Surmising a Sprinter's Speed	3.0 / 3.0
CCC '20 S2 - Escape Room	10.0 / 10.0
CCC '20 S3 - Searching for Strings	9.0 / 12.0
CCC '20 S4 - Swapping Seats	12.0 / 12.0
CCC '20 S5 - Josh's Double Bacon Deluxe	17.0 / 17.0
CCC '97 S3 - Double Knockout Competition	5.0 / 5.0
CCCHK '08 J1 - Best fish	3.0 / 3.0
CCCHK '08 J2 - Lucky Number	3.0 / 3.0
CCCHK '15 J2 - What is the minimum area?	5.0 / 5.0
CCCHK '15 J4 - Where to build my house?	5.0 / 5.0
CCCHK '15 J5 - No friends in the same group.	3.0 / 15.0
CCCHK '15 S1 - Finding number of pairs	7.0 / 7.0

User richardzhang

Points breakdown

Authored problems (11)

ACM-ICPC (23.0 points)

APIO (209.0 points)

Baltic OI (32.0 points)

Bubble Cup (25.0 points)

CCC (899.2 points)

CCO (663.5 points)

CEOI (52.6 points)

China NOI (30.0 points)

Classics (42.0 points)

COCI (478.6 points)

CTF (3.0 points)

Data Structure Tests (134.0 points)

DMOPC (1056.7 points)

DWITE (51.0 points)

ECOO (32.6 points)

FHC (42.0 points)

Fun Math (150.0 points)

GFSSOC (35.8 points)

IOI (404.0 points)

JOI (105.0 points)

Mock CCC (65.5 points)

MWC (27.0 points)

Olympiads School (37.0 points)

Seasonal (294.1 points)

SIUCF (62.0 points)

TLE (95.0 points)

TSOC (26.0 points)

Uncategorized (1004.7 points)

VM7WC (52.0 points)

Problem	Category	Points
DMOPC '19 Contest 3 P2 - Generating Names	DMOPC	7p
DMOPC '19 Contest 4 P1 - Valid Strings	DMOPC	5p
DMOPC '19 Contest 4 P3 - Taking Cues	DMOPC	12p
DMOPC '19 Contest 5 P4 - Cafeteria Confrontation Conundrum	DMOPC	7p
DMOPC '19 Contest 6 P4 - Grade 12 Math	DMOPC	15p
DMOPC '19 Contest 7 P7 - Fluid Dynamics	DMOPC	35p
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	DMOPC	3
DMOPC '20 Contest 1 P3 - Victor's Algorithm	DMOPC	7p
DMOPC '20 Contest 2 P1 - Laugh Graphs	DMOPC	5
DMOPC '20 Contest 2 P3 - Roadrollification	DMOPC	10p
Strict Evaluation	Data Structure Tests	17

Problem	Score
CCO '05 P5 - Segments	10.0 / 10.0
CCO '07 P2 - Snowflakes	10.0 / 10.0
CCO '07 P6 - Road Construction	20.0 / 20.0
CCO '08 P6 - Landing	45.0 / 45.0
CCO '09 P4 - Bottle Caps	20.0 / 20.0
CCO '10 P3 - Wowow	20.0 / 20.0
CCO '11 P2 - Vampire Tunnels	14.0 / 15.0
CCO '11 P4 - Reorganization	15.0 / 15.0
CCO '11 P6 - Biggest (Zero Carbon) Footprint	7.5 / 15.0
CCO '12 P2 - The Hungary Games	15.0 / 15.0
CCO '12 P3 - Mhocskian Languages	20.0 / 20.0
CCO '13 P2 - Tourney	12.0 / 12.0
CCO '13 P3 - LHC	20.0 / 20.0
CCO '13 P4 - A Romantic Movie Outing	20.0 / 20.0
CCO '13 P5 - Transforming Comets	8.0 / 25.0
CCO '14 P2 - King Gruff	15.0 / 15.0
CCO '15 P4 - Cars on Ice	15.0 / 15.0
CCO '16 P3 - Legends	12.0 / 30.0
CCO '16 P6 - Pirates	25.0 / 25.0
CCO '18 P1 - Geese vs. Hawks	10.0 / 10.0
CCO '18 P4 - Gradient Descent	15.0 / 15.0
CCO '19 P3 - Winter Driving	30.0 / 30.0
CCO '19 P4 - Card Scoring	25.0 / 25.0
CCO '19 P5 - Marshmallow Molecules	15.0 / 15.0
CCO '96 P1 - Train Swapping	5.0 / 5.0
HopScotch	20.0 / 20.0
City Game	15.0 / 15.0
CCO Preparation Test 1 - K-th Rank Student	17.0 / 17.0
CCO Preparation Test 2 - Concatenation	17.0 / 17.0
CCO Preparation Test 3 - Packing Up	25.0 / 25.0
CCO Preparation Test 3 - Arrow	30.0 / 30.0
Dynamic MST	25.0 / 25.0
Mock CCO '17 Day 1 P3 - Connection	20.0 / 20.0
A Dynamic Connectivity Problem	15.0 / 15.0
Mock CCO '18 Contest 1 Problem 6 - A Combining Problem	6.0 / 15.0
Mock CCO '18 Contest 2 Problem 5 - Victor's Triangles	25.0 / 25.0
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10.0 / 10.0
Mock CCO '18 Contest 4 Problem 3 - Counterattack	15.0 / 15.0

Problem	Score
CEOI '16 P2 - Kangaroo	20.0 / 20.0
CEOI '17 P5 - Palindromic Partitions	15.0 / 15.0
CEOI '19 P5 - Magic Tree	0.6 / 20.0
CEOI '19 Practice P1 - Count Squares	7.0 / 7.0
CEOI '19 Practice P2 - Separator	10.0 / 10.0

Problem	Score
HopScotch II	15.0 / 15.0
Longest Increasing Subsequence	7.0 / 7.0
Quine	10.0 / 10.0
Unique Elements	3.0 / 3.0
Single Source Shortest Path	7.0 / 7.0

Problem	Score
COCI '06 Contest 2 #5 Stol	12.0 / 12.0
COCI '06 Contest 4 #4 Zbrka	12.0 / 12.0
COCI '06 Contest 6 #1 Prase	5.0 / 5.0
COCI '07 Contest 1 #2 PEG	5.0 / 5.0
COCI '07 Contest 1 #4 Zapis	15.0 / 15.0
COCI '07 Contest 2 #3 Prva	7.0 / 7.0
COCI '07 Contest 3 #2 Oktalni	3.0 / 3.0
COCI '07 Contest 4 #3 Lektira	5.0 / 5.0
COCI '07 Contest 4 #5 Poklon	9.0 / 15.0
COCI '08 Contest 2 #4 Svada	10.0 / 10.0
COCI '08 Contest 2 #5 Setnja	7.0 / 7.0
COCI '08 Contest 3 #3 Cross	10.0 / 10.0
COCI '08 Contest 3 #5 BST	20.0 / 20.0
COCI '08 Contest 4 #4 Slikar	17.0 / 17.0
COCI '08 Contest 5 #2 Jabuka	5.0 / 5.0
COCI '08 Contest 6 #2 Bazen	5.0 / 5.0
COCI '08 Contest 6 #4 Cuskija	10.0 / 10.0
COCI '09 Contest 2 #2 Rimski	5.0 / 5.0
COCI '09 Contest 5 #5 Program	12.0 / 12.0
COCI '13 Contest 1 #2 Kušač	2.5 / 5.0
COCI '13 Contest 1 #5 Organizator	15.0 / 15.0
COCI '13 Contest 2 #4 Putnik	12.0 / 12.0
COCI '14 Contest 1 #2 Klopka	5.0 / 5.0
COCI '14 Contest 1 #4 Mafija	15.0 / 15.0
COCI '14 Contest 2 #2 Utrka	5.0 / 5.0
COCI '14 Contest 4 #2 Pšenica	12.0 / 12.0
COCI '14 Contest 7 #3 ACM	12.0 / 12.0
COCI '14 Contest 7 #4 Janje	13.125 / 15.0
COCI '15 Contest 2 #4 Savez	15.0 / 15.0
COCI '15 Contest 3 #4 Slon	12.0 / 12.0
COCI '15 Contest 3 #5 Nekameleoni	20.0 / 20.0
COCI '15 Contest 4 #4 Chewbacca	12.0 / 12.0
COCI '15 Contest 4 #5 Galaksija	15.0 / 15.0
COCI '15 Contest 6 #5 Krumpirko	15.0 / 15.0
COCI '17 Contest 2 #4 San	12.0 / 12.0
COCI '18 Contest 1 #3 Cipele	10.0 / 10.0
COCI '18 Contest 4 #5 Akvizna	30.0 / 30.0
COCI '18 Contest 6 #4 Simfonija	15.0 / 15.0
COCI '18 Contest 6 #5 Mobitel	20.0 / 20.0
COCI '19 Contest 1 #2 Lutrija	12.0 / 12.0
COI '08 #2 Otoci	25.0 / 25.0

Problem	Score
Binary Indexed Tree Test	10.0 / 10.0
Disjoint Set Test	10.0 / 10.0
Segment Tree Test	12.0 / 12.0
Binary Search Tree Test	15.0 / 15.0
Dynamic Tree Test	45.0 / 45.0
Dynamic Tree Test (Easy)	25.0 / 25.0
Strict Evaluation	17.0 / 17.0

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7.0 / 7.0
DMOPC '13 Contest 3 P3 - Crossing Field	7.0 / 7.0
DMOPC '14 Contest 1 P2 - Tiles	3.0 / 3.0
DMOPC '14 Contest 1 P5 - Surprise Teleport	7.0 / 7.0
DMOPC '14 Contest 2 P2 - Cutting Logs	5.0 / 5.0
DMOPC '14 Contest 2 P4 - Deforestation	7.0 / 7.0
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10.0 / 10.0
DMOPC '14 Contest 2 P6 - Selective Cutting	12.0 / 12.0
DMOPC '14 Contest 3 P2 - Not Enough Rejudging!	5.0 / 5.0
DMOPC '14 Contest 3 P3 - Not Enough Personnel!	7.0 / 7.0
DMOPC '14 Contest 3 P4 - Not Enough Testers!	7.0 / 10.0
DMOPC '14 Contest 3 P5 - Not Enough Servers!	20.0 / 20.0
DMOPC '14 Contest 6 P2 - Longest Tunnel	3.0 / 3.0
DMOPC '14 Contest 6 P3 - Brotherly Sequence	4.5 / 5.0
DMOPC '14 Contest 7 P3 - Streetcars	7.0 / 7.0
DMOPC '14 Exam Time P5 - Happy Teachers	15.0 / 15.0
DMOPC '15 Contest 1 P6 - Lelei and Contest	17.0 / 17.0
DMOPC '15 Contest 2 P4 - Personal Assistant	12.0 / 12.0
DMOPC '15 Contest 2 P5 - Sysadmin	3.0 / 15.0
DMOPC '15 Contest 2 P6 - Manhattan Magnets	1.02 / 17.0
DMOPC '15 Contest 4 P4 - Great Sequence	3.0 / 10.0
DMOPC '15 Contest 5 P1 - Gel Bananas	3.0 / 3.0
DMOPC '15 Contest 6 P3 - Harvest	7.0 / 7.0
DMOPC '15 Contest 6 P4 - Line Graph	10.0 / 10.0
DMOPC '15 Contest 6 P5 - A Classic Problem	10.0 / 10.0
DMOPC '15 Contest 7 P5 - Ariadne's Thread	17.0 / 17.0
DMOPC '16 Contest 1 P4 - Tree Appraisal	15.0 / 15.0
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7.0 / 7.0
DMOPC '16 Contest 3 P3 - Phantom Fight	10.0 / 10.0
DMOPC '16 Contest 3 P6 - Long Lost Love	17.0 / 17.0
DMOPC '16 Contest 4 P1 - Fast Exponents	5.0 / 5.0
DMOPC '16 Contest 4 P2 - Systests	7.0 / 7.0
DMOPC '16 Contest 4 P4 - Molly and Manga Shopping	15.0 / 15.0
DMOPC '16 Contest 4 P6 - Molly and Flying Drones	15.0 / 15.0
DMOPC '17 Contest 1 P1 - Fujō Neko	3.0 / 3.0
DMOPC '17 Contest 1 P2 - Sharing Crayons	7.0 / 7.0
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7.0 / 7.0
DMOPC '17 Contest 1 P4 - Quests	12.0 / 12.0
DMOPC '17 Contest 1 P6 - Land of the Carrot Trees	20.0 / 20.0
DMOPC '17 Contest 2 P1 - 0-1 Knapsack	3.0 / 3.0
DMOPC '17 Contest 2 P3 - Bad Bunnies	7.0 / 7.0
DMOPC '17 Contest 5 P3 - Mimi and Primes	10.0 / 10.0
DMOPC '18 Contest 3 P2 - Bob and French Class	7.0 / 7.0
DMOPC '18 Contest 3 P4 - Bob and English Class	15.0 / 15.0
DMOPC '18 Contest 6 P0 - SQL Queries	3.0 / 3.0
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10.0 / 10.0
DMOPC '19 Contest 1 P2 - Good Writing	7.0 / 7.0
DMOPC '19 Contest 2 P4 - A Greedy Problem	15.0 / 15.0
DMOPC '19 Contest 3 P0 - What is it?	3.0 / 3.0
DMOPC '19 Contest 3 P2 - Generating Names	7.0 / 7.0
DMOPC '19 Contest 3 P3 - Majority	12.0 / 12.0
DMOPC '19 Contest 3 P4 - Same Colour Leaves	15.0 / 15.0
DMOPC '19 Contest 4 P0 - Yikes	3.0 / 3.0
DMOPC '19 Contest 4 P1 - Valid Strings	5.0 / 5.0
DMOPC '19 Contest 4 P2 - Pleasant Present	10.0 / 10.0
DMOPC '19 Contest 4 P3 - Taking Cues	12.0 / 12.0
DMOPC '19 Contest 4 P4 - Math Class	0.8 / 15.0
DMOPC '19 Contest 4 P5 - Financial Trouble	17.0 / 17.0
DMOPC '19 Contest 4 P6 - little_prince's Specialty Tea House	25.0 / 25.0
DMOPC '19 Contest 5 P0 - Concurrent Competitor Counting	3.0 / 3.0
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5.0 / 5.0
DMOPC '19 Contest 5 P2 - Charlie's Crazy Conquest	5.0 / 5.0
DMOPC '19 Contest 5 P3 - Captivating Construction Challenge	12.0 / 12.0
DMOPC '19 Contest 5 P4 - Cafeteria Confrontation Conundrum	7.0 / 7.0
DMOPC '19 Contest 5 P5 - Crazy Cyclic Coincidences	17.0 / 17.0
DMOPC '19 Contest 6 P1 - Grade 9 Math	7.0 / 7.0
DMOPC '19 Contest 6 P3 - Grade 11 Math	2.0 / 10.0
DMOPC '19 Contest 6 P4 - Grade 12 Math	15.0 / 15.0
DMOPC '19 Contest 6 P6 - Math is Difficult	3.8 / 25.0
DMOPC '19 Contest 7 P0 - Contest Feedback	3.0 / 3.0
DMOPC '19 Contest 7 P1 - Hydrocarbons	7.0 / 7.0
DMOPC '19 Contest 7 P2 - Dinner Party	10.0 / 10.0
DMOPC '19 Contest 7 P3 - Tree Pruning	12.0 / 12.0
DMOPC '19 Contest 7 P4 - Bob and Continued Fractions	20.0 / 20.0
DMOPC '19 Contest 7 P5 - Soriya's Programming Project	8.0 / 20.0
DMOPC '19 Contest 7 P6 - Bob Equilibrium	30.0 / 30.0
DMOPC '19 Contest 7 P7 - Fluid Dynamics	35.0 / 35.0
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3.0 / 3.0
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5.0 / 5.0
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7.0 / 7.0
DMOPC '20 Contest 1 P4 - Victor Makes Bank	17.0 / 17.0
DMOPC '20 Contest 1 P5 - Victor Takes Over Canada	17.0 / 17.0
DMOPC '20 Contest 1 P6 - Victor Identifies Software	25.0 / 25.0
DMOPC '20 Contest 2 P1 - Laugh Graphs	5.0 / 5.0
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	5.0 / 5.0
DMOPC '20 Contest 2 P3 - Roadrollification	10.0 / 10.0
DMOPC '20 Contest 2 P4 - Hungry Pigeons	15.0 / 15.0
DMOPC '20 Contest 3 P1 - Present Checking	5.0 / 5.0
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks	7.0 / 7.0
DMOPC '20 Contest 3 P3 - A Ring of Buckets	12.0 / 12.0
DMPG '15 G3 - Kinako Bread 2	9.0 / 30.0
DMPG '15 G4 - Spacetime Convergence Cannons	1.0 / 20.0
DMPG '15 G6 - Yōkan	25.0 / 25.0
DMPG '15 S4 - Signal Hill	10.0 / 10.0
DMPG '15 S5 - Black and White	10.0 / 10.0
DMPG '16 G6 - SAO Queries	30.0 / 30.0
DMPG '16 S5 - Pizza Bag	12.0 / 12.0
DMPG '17 B3 - Heroes	5.0 / 5.0
DMPG '17 B4 - Bad Sort	7.0 / 7.0
DMPG '17 G2 - Holy Grail War	17.0 / 17.0
DMPG '18 S1 - Mimi and Types	5.0 / 5.0
DMPG '18 S4 - Mimi and Prize	12.0 / 12.0
DMPG '19 B5 - Triangles	2.0 / 10.0
DMPG '19 B6 - Oddity	10.0 / 10.0
DMPG '19 G5 - Hunting the White Whale	8.6 / 20.0
DMPG '19 S1 - Candy Shop Tycoon	5.0 / 5.0
DMPG '19 S2 - Code Cracking Crisis	7.0 / 7.0
DMPG '19 S3 - Chemical Counting Capers	10.0 / 10.0

Problem	Score
DWITE '07 R2 #5 - Bridges In A Graph	7.0 / 7.0
DWITE '07 R4 #4 - Shortest path around	7.0 / 7.0
DWITE '10 R3 #3 - Dominos Tiling	10.0 / 10.0
DWITE '10 R5 #2 - Safe from Rooks	5.0 / 5.0
DWITE '11 R1 #2 - Penny Game	5.0 / 5.0
DWITE '11 R1 #5 - Tattarrattat	10.0 / 10.0
DWITE '11 R2 #5 - Portals Check	7.0 / 7.0

Problem	Score
ECOO '15 R1 P4 - Neanderthal Numbers	10.0 / 10.0
ECOO '16 R1 P3 - Railway Sort	2.4 / 7.0
ECOO '16 R2 P1 - Palindrome Panic	12.0 / 12.0
ECOO '17 R3 P4 - Ice Cream Beach	0.75 / 15.0
ECOO '19 R3 P4 - Network	7.5 / 15.0

Problem	Score
Homework	10.0 / 10.0
Autocomplete	10.0 / 10.0
Winning at Sports	12.0 / 12.0
Fighting the Zombie	10.0 / 10.0

Problem	Score
Rotations in 3 Dimensions	12.0 / 12.0
A Plus B	3.0 / 3.0
A Plus B (Hard)	15.0 / 15.0
A Times B	20.0 / 20.0
Binary	5.0 / 5.0
Matrix Determinant	15.0 / 15.0
Fibonacci Sequence	15.0 / 15.0
Fibonacci Sequence (Harder)	20.0 / 20.0
Infinity	3.0 / 3.0
The Odd Number	7.0 / 7.0
The Mirror	5.0 / 5.0
Prime Factorization	7.0 / 7.0
Strategic Arrays	6.0 / 15.0
XOR	7.0 / 7.0
XOR Sum	10.0 / 10.0

Problem	Score
Stalactites	6.8 / 17.0
Marathon	7.0 / 7.0
Raider	17.0 / 17.0
OR-deal	5.0 / 5.0

Problem	Score
IOI '00 P1 - Palindrome	10.0 / 10.0
IOI '01 P1 - Mobile Phones	15.0 / 15.0
IOI '02 P4 - Batch Scheduling	20.0 / 20.0
IOI '09 P4 - Raisins	10.0 / 10.0
IOI '09 P7 - Regions	20.0 / 20.0
IOI '10 P1 - Cluedo	5.0 / 5.0
IOI '11 P2 - Race	17.0 / 17.0
IOI '11 P5 - Dancing Elephants	40.0 / 40.0
IOI '13 P1 - Dreaming	15.0 / 15.0
IOI '13 P4 - Cave	10.0 / 10.0
IOI '13 P6 - Game	25.0 / 25.0
IOI '14 P2 - Wall	20.0 / 20.0
IOI '14 P3 - Game	20.0 / 20.0
IOI '14 P4 - Gondola	15.0 / 15.0
IOI '14 P5 - Friend	30.0 / 30.0
IOI '16 P1 - Detecting Molecules	15.0 / 15.0
IOI '16 P6 - Aliens	30.0 / 30.0
IOI '16 P6 - Aliens (Standard I/O)	30.0 / 30.0
IOI '18 P1 - Combo	15.0 / 15.0
IOI '19 P5 - Vision Program	20.0 / 20.0
IOI '94 P1 - The Triangle	7.0 / 7.0
IOI '98 P4 - Picture	15.0 / 15.0

Problem	Score
JOI '13 Open P2 - Synchronization	35.0 / 35.0
JOI '14 Open P1 - Factories	20.0 / 20.0
JOI '14 Open P6 - Secret	20.0 / 20.0
JOI '18 Spring Camp Day 1 P1 - Construction of Highway	30.0 / 30.0

Problem	Score
Mock CCC '20 S3 - SAM I Am	10.0 / 10.0
Kongou	18.7 / 40.0
Mock CCC '20 Contest 1 J3 - A Geometry Problem	2.8 / 3.0
Mock CCC '18 Contest 1 J1 - A String Problem	3.0 / 3.0
Mock CCC '18 Contest 2 J1 - An Arithmetic Problem	3.0 / 3.0
Mock CCC '18 Contest 3 J1 - A Sum Problem	3.0 / 3.0
Mock CCC '19 Contest 1 J2 - Pusheen OCR	3.0 / 3.0
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea	3.0 / 3.0
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea	3.0 / 3.0
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea	3.0 / 3.0
Mock CCC '19 Contest 2 J4 - Tudor Buys Some Cheesecake	3.0 / 3.0
Mock CCC '19 Contest 2 J5 - Tudor Drinks Even More Tea	10.0 / 10.0

Problem	Score
MWC '15 #1 P3: Dolls	3.0 / 3.0
MWC '15 #1 P5: Love Guru	7.0 / 7.0
MWC '15 #2 P2: Towering Towers	10.0 / 10.0
MWC '15 #4 P4: Dealing with Knots	7.0 / 7.0

Problem	Score
A Sum Problem	12.0 / 12.0
OCC '19 G1 - Top Coder	10.0 / 10.0
A Fenwick Tree Question	15.0 / 15.0

Problem	Score
Another Contest 4 Problem 1 - Identity Crisis	1.0 / 1.0
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm	1.0 / 1.0
Another Contest 4 Problem 4 - Another Isosceles Right Triangle	1.0 / 1.0
Back From Summer '17 P1: Pithy Passtimes	3.0 / 3.0
Back From Summer '19 P1: Winnie's Orphans	3.0 / 3.0
Back From Summer '19 P2: Straying From God's Light	7.0 / 7.0
Back From Summer '19 P3: ASDFGHJKL	3.0 / 10.0
Back to School '16: Cherry Tree	12.0 / 12.0
Back to School '16: Contest Practice	20.0 / 20.0
Back To School '17: 🅱aram🅱e	3.0 / 3.0
Back to School '17: New English	12.0 / 12.0
Back to School '17: Hot and Cold	20.0 / 20.0
Back To School '18: An FFT Problem	12.0 / 12.0
Back To School '19: H🅰️r🅰️mbe	3.0 / 3.0
Back To School '19: Parkour	5.0 / 5.0
Back To School '19: Chemistry	7.0 / 7.0
Back To School '19: A Circular Game	10.0 / 10.0
Death Gun	7.0 / 7.0
Dog Girls	10.0 / 20.0
MEC '16 P3 - Getting Good at Programming	10.0 / 10.0
MNYC '17: Hurontario	10.0 / 10.0
Scroll	1.0 / 1.0
Cameras	5.0 / 5.0
Solar Power	5.0 / 5.0
Race	3.0 / 3.0
The Return of A Plus B	0.1 / 1.0
TLE 2018-19 P5 - Pure Functional Programming	20.0 / 40.0
Too Simple	7.0 / 7.0
Is it a Tree?	7.0 / 7.0
Mine and Tree	30.0 / 30.0
Simon and Marcy	7.0 / 7.0
Arithmetic Snowman	7.0 / 7.0
Mr. N and Presents	7.0 / 7.0
Fibonacci Presents	10.0 / 10.0
Old Christmas Lights II	25.0 / 25.0

Problem	Score
Summer Institute '17 Contest 1 P4 - Clips of Video	20.0 / 20.0
Summer Institute '17 Contest 1 P9 - Safe Square	7.0 / 7.0
Summer Institute '17 Contest 3 P4 - Customs	15.0 / 15.0
Summer Institute '17 Contest 3 P5 - Balanced Cycles	20.0 / 20.0

Problem	Score
TLE '15 P4 - Olympiads Homework	12.0 / 12.0
TLE '16 Contest 4 P1 - Stack of Presents	5.0 / 5.0
TLE '16 Contest 5 P5 - Better Ranking List	1.0 / 20.0
TLE '16 Contest 7 P1 - Math Helper	1.5 / 5.0
TLE '16 Contest 7 P3 - NOR	4.0 / 10.0
TLE '16 Contest 7 P6 - Everyone Hates Reading	15.0 / 15.0
TLE '16 Contest 8 P5 - Prom Night	15.0 / 15.0
TLE '17 Contest 3 P5 - Hypercube Hotel	17.0 / 17.0
TLE '17 Contest 4 P3 - Fax's Christmas Dish	7.0 / 7.0
TLE '17 Contest 4 P6 - Fax's Christmas Bash	7.5 / 25.0
TLE '17 Contest 8 P3 - Curious Numbers	10.0 / 10.0

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7.0 / 7.0
TSOC '15 Contest 2 #5 - Bebiliths	7.0 / 7.0
TSOC '15 Contest 2 #6 - All-Out War!	5.0 / 5.0
Max and Cards	7.0 / 7.0

Problem	Score
16 BIT S/W ONLY	3.0 / 3.0
2-D Permutations	10.0 / 10.0
Another Contest 1 Problem 1 - Binary String Operations	25.0 / 25.0
Another Contest 4 Problem 0 - The April Fools Warmup Problem	1.0 / 1.0
A Coin Problem	12.0 / 12.0
A Harder Game	6.0 / 15.0
Alphabet Score	3.0 / 3.0
Troubling Times	5.0 / 5.0
A Noisy Class	7.0 / 7.0
Art Academy VII: A Mysterious Object	12.0 / 12.0
Big Deposits	7.0 / 7.0
List Minimum	3.0 / 3.0
List Minimum (Easy)	3.0 / 3.0
List Minimum (Hard)	5.0 / 5.0
Lexicographically Least Substring (Hard)	15.0 / 15.0
Fast Bit Duplication	10.0 / 10.0
Boolean	3.0 / 3.0
Expensive Chair Stacking	7.0 / 7.0
Champion Contest	7.0 / 7.0
Allen's Segments	17.0 / 17.0
CPC '19 Contest 1 P0 - Shoes	3.0 / 3.0
CPC '19 Contest 1 P1 - Distance	3.0 / 3.0
CPC '19 Contest 1 P2 - Luggage	7.0 / 7.0
CPC '19 Contest 1 P6 - Maintaining Some Coins	15.0 / 15.0
Discerning Discounts	3.0 / 3.0
Frog 1	7.0 / 7.0
Frog 2	7.0 / 7.0
Vacation	7.0 / 7.0
Knapsack 1	7.0 / 7.0
Knapsack 2	7.0 / 7.0
Longest Path	10.0 / 10.0
Coins	10.0 / 10.0
Sushi	12.0 / 12.0
Stones	10.0 / 10.0
Deque	10.0 / 10.0
Slimes	12.0 / 12.0
Independent Set	12.0 / 12.0
Digit Sum	15.0 / 15.0
Permutation	15.0 / 15.0
Frog 3	20.0 / 20.0
Fast Bit Counting	10.0 / 10.0
Figurines	20.0 / 20.0
GlobeX Cup '19 S1 - Planet Classification	5.0 / 5.0
GlobeX Cup '19 S2 - Predicting Collisions	7.0 / 7.0
GlobeX Cup '19 S3 - Ninjaclasher's Wrath	4.0 / 12.0
A Greedy Problem	5.0 / 5.0
Jumping	20.0 / 20.0
Cheapest Operation Ever	20.0 / 20.0
Sentence Checker	3.0 / 3.0
Hello, World!	1.0 / 1.0
Hello, World! (Hard)	1.0 / 1.0
A Glorious Challenge	5.0 / 5.0
Inaho V	3.0 / 3.0
Count The Triplets	7.0 / 7.0
K-Dimensional Grids	15.0 / 15.0
Kevin Needs Help	20.0 / 20.0
Knapsack 3	10.0 / 10.0
Lil' Jami	7.0 / 7.0
Fun in Föràg	15.0 / 15.0
Guess the Sequence	2.499 / 3.0
Kirito	20.0 / 20.0
Esdeath	15.0 / 15.0
Inaho	15.0 / 15.0
Akame	25.0 / 25.0
Mocking SpongeBob	3.0 / 3.0
OCC '19 S2 - Rimuru's Number Game	5.0 / 5.0
Path Finder	10.0 / 10.0
Power Eggs	15.0 / 15.0
SC2 Multitasking	3.0 / 3.0
Magical Bribery	7.0 / 7.0
Java	3.0 / 3.0
James' Rectangles	10.0 / 10.0
Rectangle Counting	17.0 / 17.0
RGPC '17 P1 - Circle Clicking!	5.0 / 5.0
RGPC '18 P1 - Giant Cookie	3.0 / 3.0
P4 - HEIGHT	7.0 / 7.0
RTE '16 J1 - Board Game	3.0 / 3.0
RTE '16 S3 - School Traversal	7.0 / 7.0
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma	17.0 / 17.0
Ship	3.0 / 3.0
Uneven Sand	5.0 / 5.0
Battle Positions	7.0 / 7.0
Freedom Appears!	7.0 / 7.0
GENESIS	20.0 / 20.0
Touching Segments	20.0 / 20.0
Jason's Theorem	10.0 / 10.0
Python Infinite Loop	7.0 / 7.0
A Simple Game	7.0 / 7.0
Ren Ashbell	3.0 / 3.0
Ellis Fahrengart	25.0 / 25.0
Terminus Est	35.0 / 35.0
Teleportation Tangle	7.0 / 7.0
THICC '17 P1 - Carol's Carnivorous Plants	3.0 / 5.0
Towers	3.0 / 3.0
UTS Open '15 #4 - Subway	17.0 / 17.0
UTS Open '15 #5 - Distribution Channel	17.0 / 17.0
UTS Open '15 #5 - Distribution Channel (Hard)	20.0 / 20.0
VPEX P1 - War on Two Fronts	3.0 / 3.0
VPEX P2 - Darcy Parties	3.0 / 3.0
VPEX P5 - Points Redistribution	20.0 / 20.0
Wesley's Anger Contest 3 Problem 1 - Snow Day Predictor	3.0 / 3.0
Wesley's Anger Contest 3 Problem 2 - Eat, Sleep, Code, Repeat	5.0 / 5.0
Wesley's Anger Contest 3 Problem 3 - Wesley Plays DDR	7.0 / 7.0
Wesley's Anger Contest 3 Problem 4 - Canadian Construction Crew	12.0 / 12.0
Wesley's Anger Contest 4 Problem 1 - Zeyu's Zany Zort	3.0 / 3.0
Wesley's Anger Contest 4 Problem 2 - Squirrel Election	7.0 / 7.0
Wesley's Anger Contest 4 Problem 7 - Squirrel Cities	2.2 / 25.0

Problem	Score
VMSS '15 #1 - Senpai, Help Me	5.0 / 5.0
VM7WC '15 #2 Gold - Uniting the Earth Empire	15.0 / 15.0
VM7WC '15 #3 Silver - Test Scores	5.0 / 5.0
VM7WC '16 #2 Gold - GGG	15.0 / 15.0
VM7WC '16 #3 Silver - Can Shahir even get there?!	5.0 / 5.0
VM7WC '16 #5 Gold - Jayden Studies Trees	7.0 / 7.0