User HappyCrossword

Points breakdown

41 / 41

AC | PY3

Google Code Jam '10 Round 1A Problem C - Number Game

on June 22, 2024, 12:05 a.m.

20pp

weighted 100% (20pp)

100 / 100

AC | PY3

Fibonacci Sequence

on Dec. 20, 2024, 2:51 a.m.

15pp

weighted 95% (14pp)

100 / 100

AC | PY3

IOI '09 Practice Task 3 - Museum

on June 20, 2024, 4:32 a.m.

15pp

weighted 90% (14pp)

210 / 210

AC | PYPY3

Next Prime (Hard)

on June 9, 2024, 2:35 p.m.

15pp

weighted 86% (13pp)

70 / 100

TLE | PY3

COCI '08 Contest 1 #4 Jez

on July 2, 2024, 4:55 p.m.

14pp

weighted 81% (11pp)

100 / 100

AC | PY3

CPC '21 Contest 1 P4 - AQT and Directed Graph

on Oct. 14, 2024, 2:20 a.m.

12pp

weighted 77% (9.3pp)

100 / 100

AC | PYPY3

Educational DP Contest AtCoder M - Candies

on Oct. 6, 2024, 2:09 p.m.

12pp

weighted 74% (8.8pp)

10 / 10

AC | PY3

DWITE '09 R7 #4 - What is this Algebra?

on June 25, 2024, 10:27 p.m.

12pp

weighted 70% (8.4pp)

10 / 10

AC | PY3

COCI '12 Contest 1 #5 Snaga

on June 25, 2024, 1:28 a.m.

12pp

weighted 66% (8.0pp)

10 / 10

AC | PY3

IOI '00 P1 - Palindrome

on Nov. 2, 2025, 2:48 a.m.

10pp

weighted 63% (6.3pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P3 - Happy Alpacas	7 / 7
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Find the Character	3 / 3
BlueBook - Digits and Sums	3 / 3
BlueBook - Max	3 / 3
BlueBook - Mode	3 / 3

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 '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
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 '04 J1 - Squares	3 / 3
CCC '04 J2 - Terms of Office	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 S1 - Fix	5 / 5
CCC '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 J3 - Returning Home	5 / 5
CCC '05 J5 - Bananas	10 / 10
CCC '05 S1 - Snow Calls	5 / 5
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 '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 S1 - Federal Voting Age	3 / 3
CCC '07 S3 - Friends	7 / 7
CCC '08 J1 - Body Mass Index	2.812 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 J3 - GPS Text Entry	3 / 3
CCC '08 S1 - It's Cold Here!	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '09 J1 - ISBN	3 / 3
CCC '09 J2 - Old Fishin' Hole	5 / 5
CCC '10 J1 - What is n, Daddy?	2.800 / 3
CCC '10 J2 - Up and Down	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
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 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 '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 S2 - Aromatic Numbers	5 / 5
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 '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 '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J3 - Rövarspråket	5 / 5
CCC '16 J1 - Tournament Selection	3 / 3
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 S1 - Ragaman	3 / 3
CCC '16 S2 - Tandem Bicycle	5 / 5
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '17 J3 - Exactly Electrical	3 / 3
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
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 S1 - Voronoi Villages	3 / 3
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
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 S1 - Surmising a Sprinter's Speed	5 / 5
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	4.200 / 7
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
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 '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 '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	5 / 5
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 '25 J1 - Roller Coaster Ride	3 / 3
CCC '25 J2 - Donut Shop	3 / 3
CCC '25 J4 - Sunny Days	4.333 / 5
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '96 S3 - Pattern Generator	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '08 J3 - Phone book	3 / 5
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
CCCHK '15 J3 - Queens can't attack me!	5 / 5

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
Quine	10 / 10
Unique Elements	3 / 3

Problem	Score
COCI '07 Contest 2 #3 Prva	7 / 7
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '07 Contest 6 #3 Granica	10 / 10
COCI '08 Contest 1 #4 Jez	14 / 20
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '12 Contest 1 #5 Snaga	12 / 12
COCI '14 Contest 2 #1 Mobitel	5 / 5
COCI '14 Contest 5 #3 Traktor	7 / 7
COCI '15 Contest 2 #2 Geppetto	7 / 7
COCI '18 Contest 4 #2 Wand	7 / 7

User HappyCrossword

Points breakdown

AAC (24 points)

BlueBook (15 points)

CCC (546.145 points)

Classics (36 points)

COCI (81 points)

DMOPC (148.700 points)

DWITE (55 points)

ECOO (20.500 points)

FHC (10 points)

GFSSOC (41 points)

Google Code Jam (20 points)

ICPC (10 points)

IOI (25 points)

Mock CCC (71 points)

MWC (5 points)

SAC Coding Challenge (29 points)

Seasonal (37 points)

TLE (13 points)

Uncategorized (349.170 points)

VM7WC (10 points)

Woburn Challenge (22 points)

Problem	Score
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '16 Contest 4 P5 - Migrant Mascot	5 / 10
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P2 - Sharing Crayons	7 / 7
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 3 P1 - An Early Christmas Present	3 / 3
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun	5 / 5
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 2 P4 - Damage Output	0.700 / 7
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	5 / 5
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMPG '16 B1 - BFS	3 / 3
DMPG '17 S2 - Anime Conventions	10 / 10

Problem	Score
DWITE '06 R5 #5 - Prime Palindromes	10 / 10
DWITE '07 R1 #4 - Stacks of Blocks	5 / 5
DWITE '07 R2 #1 - Not Quite Prime	5 / 5
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '09 R7 #4 - What is this Algebra?	12 / 12
DWITE '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R4 #2 - Prime Time	5 / 5
DWITE '12 R1 #1 - Candy Piles	3 / 3

Problem	Score
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '19 R1 P2 - L-Systems Go	3.500 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5

Problem	Score
GFSS Christmas Challenge P1 - Arithmetic Operators	3 / 3
GFSS Christmas Challenge P2 - Height Inspection	3 / 3
GFSS Christmas Challenge P3 - Candy Distribution	5 / 5
GFSS Christmas Challenge P4 - Coal Counting	7 / 7
GFSSOC '14 Winter J1 - Flying Plushies	3 / 3
GFSSOC '15 Fall J1 - CodeFights	3 / 3
GFSSOC '15 Fall J4 - Marathon	7 / 7
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '20 S2 - Flipper Redux	7 / 7
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 2 J1 - Opening Ceremony	3 / 3
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '23 Contest 1 J2 - Healthy Schedule	3 / 3
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	1 / 5
Mock CCC '18 Contest 1 J2 - A Substring Problem	3 / 3
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	7 / 7
Mock CCC '18 Contest 3 J1 - A Sum Problem	3 / 3
Mock CCC '18 Contest 3 J2 - A Palindrome Problem	3 / 3
Mock CCC '18 Contest 3 J3/S1 - A String Problem	5 / 5
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri	3 / 3
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids	7 / 7

Problem	Score
SAC '22 Code Challenge 3 Junior P3 - Normal Probabilities	3 / 3
SAC '22 Code Challenge 3 Junior P4 - Normal Conversions	5 / 5
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 P1 - Obligatory Car Problem	3 / 3
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 '18: Letter Frequency	7 / 7
CCCJQR P2	3 / 3
Halloween '14 P1 - Rabbit Girls	3 / 3
Piggy	7 / 7
Too Simple	7 / 7
New Year's '16 P1 - Late Christmas Shopping	3 / 3
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5
TLE '17 Contest 5 P1 - Guess the Number	3 / 3

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
A Plus B	3 / 3
Palindromic Integer Partition	5 / 5
List Minimum (Easy)	0.840 / 3
Boolean	3 / 3
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 J2 - Cake	3 / 3
BPC 1 S1 - Homework Questions	5 / 5
BSSPC '21 J1 - Eggy's New Clothes	3 / 3
Back to School '24 P1 - Kicking	5 / 5
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
3n+1	3 / 3
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Age Demographic	5 / 5
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 M - Candies	12 / 12
Fast Factorial Calculator	7 / 7
Fibonacci Sequence	15 / 15
PEG Test '11 - Cyclopian Puzzle	10 / 10
GlobeX Cup '18 J1 - Rounding Errors	3 / 3
A Greedy Problem	5 / 5
HCI '16 - Oversleep	7 / 7
Hello, World!	3 / 3
Word Scrambler	5 / 5
Count The Triplets	7 / 7
Largest Permutation	7 / 7
Mocking SpongeBob	3 / 3
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 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
Path Finder	10 / 10
Prime Factorization	5 / 5
Primes 2	3.750 / 15
Rat In A Maze	5 / 5
RGPC '18 P3 - Chocolate Day	10 / 10
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Python Infinite Loop	7 / 7
Sudoku Challenge	6.580 / 7
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UHCC1 P1 - PONG!	3 / 3
UHCC1 P2 - String	5 / 5
Intertwined Strings	7 / 7
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P3 - Restaurants	7 / 7
VPEX P0 - Pizza	3 / 3

Problem	Score
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #4 Silver - Tests or Test Cases?	5 / 5

Problem	Score
WC '15 Contest 2 J1 - A New Hope	3 / 3
WC '15 Contest 3 J1 - Battle Predictions	3 / 3
WC '15 Contest 4 J1 - Telling Time	3 / 3
WC '15 Finals J1 - Vertical Posting	3 / 3
WC '17 Contest 1 J2 - How's the Weather?	3 / 3
WC '18 Contest 1 S2 - Essay Generator	7 / 7