User lazerclaw321

Points breakdown

210 / 210

AC | PYPY3

Next Prime (Hard)

on Sept. 17, 2025, 1:48 a.m.

15pp

weighted 100% (15pp)

100 / 100

AC | PY3

ECOO '18 R2 P3 - Factorial

on Aug. 11, 2025, 7:06 p.m.

12pp

weighted 95% (11pp)

935 / 935

AC | C++20

A Plus B (Hard)

on Aug. 1, 2025, 8:43 p.m.

12pp

weighted 90% (11pp)

15 / 15

AC | PY3

CCC '13 S3 - Chances of Winning

on Sept. 30, 2025, 3:14 p.m.

10pp

weighted 86% (8.6pp)

100 / 100

AC | PY3

Graph Contest 3 P2 - Shortest Path

on Sept. 29, 2025, 3:30 p.m.

10pp

weighted 81% (8.1pp)

25 / 25

AC | C++20

CCO '03 P1 - BFed

on Sept. 26, 2025, 12:34 a.m.

10pp

weighted 77% (7.7pp)

16 / 16

AC | PYPY3

CCC '09 S4 - Shop and Ship

on Sept. 10, 2025, 12:55 a.m.

10pp

weighted 74% (7.4pp)

25 / 25

AC | PY3

CCO '01 P1 - The Monkey Dance

on Sept. 7, 2025, 11:30 p.m.

10pp

weighted 70% (7.0pp)

100 / 100

MLE | PY3

DWITE '06 R5 #5 - Prime Palindromes

on Aug. 23, 2025, 8:02 p.m.

10pp

weighted 66% (6.6pp)

100 / 100

AC | PY3

Facebook Hacker Cup '15 Round 1 P1 - Homework

on Aug. 22, 2025, 11:14 p.m.

10pp

weighted 63% (6.3pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	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 S4 - Golf	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S4 - Bridge Crossing	2 / 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 S5 - Trucking Troubles	9.375 / 10
CCC '04 J1 - Squares	3 / 3
CCC '04 J2 - Terms of Office	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 J5 - Bananas	10 / 10
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	3 / 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 '08 S5 - Nukit	10 / 10
CCC '09 J1 - ISBN	3 / 3
CCC '09 J4 - Signage	7 / 7
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
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 '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 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
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 '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J5 - π-day	10 / 10
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S3 - Gates	0.333 / 10
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 '16 S3 - Phonomenal Reviews	4.800 / 12
CCC '16 S4 - Combining Riceballs	3 / 15
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 '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 '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 '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 S2 - Escape Room	8.667 / 10
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
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 S1 - Good Fours and Good Fives	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 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 '25 J1 - Roller Coaster Ride	3 / 3
CCC '25 J2 - Donut Shop	3 / 3
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '25 S3 - Pretty Pens	3.333 / 10
CCC '25 S4 - Floor is Lava	1.600 / 12
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '96 S4 - When in Rome	10 / 10
CCC '97 S1 - Sentences	5 / 5
CCC '99 S2 - Year 2000	7 / 7

Problem	Score
CCO '00 P4 - Packet Routing	7 / 7
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '03 P1 - BFed	10 / 10
CCO '03 P5 - Longest Substring	7 / 7
CCO '98 P1 - Fibonacci Numbers	7 / 7

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P1 - Sharing is Caring	5 / 5
DMOPC '13 Contest 3 P3 - Crossing Field	7 / 7
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 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P1 - Logging Log	3 / 3
DMOPC '14 Contest 2 P2 - Cutting Logs	5 / 5
DMOPC '14 Contest 2 P3 - Sawmill	7 / 7
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 2 P5 - Sawmill Scheme	4 / 10
DMOPC '14 Contest 3 P1 - Not Enough Users!	3 / 3
DMOPC '14 Contest 3 P2 - Not Enough Rejudging!	5 / 5
DMOPC '14 Contest 3 P3 - Not Enough Personnel!	7 / 7
DMOPC '14 Contest 3 P4 - Not Enough Testers!	7 / 10
DMOPC '14 Contest 4 P1 - New Key	3 / 3
DMOPC '14 Contest 4 P2 - Redirection	3 / 3
DMOPC '14 Contest 4 P3 - Golden Lily	10 / 10
DMOPC '14 Contest 4 P4 - Sketchley Park	3.600 / 12
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '14 Contest 5 P2 - Longest Tunnel	3 / 3
DMOPC '14 Contest 5 P3 - Brotherly Sequence	5 / 5
DMOPC '14 Contest 5 P4 - Kittan's Dilemma	2 / 10
DMOPC '14 Contest 6 P1 - Finding Bessarion	3 / 3
DMOPC '14 Contest 7 P1 - Flare	3 / 3
DMOPC '14 Contest 7 P3 - Globally Unique Shells	5 / 5
DMOPC '14 Contest 7 P4 - Sand Triangle	7 / 7
DMOPC '14 Exam Time P1 - French Homework	3 / 3
DMOPC '14 Exam Time P2 - Physics Duel	5 / 5
DMOPC '14 Exam Time P4 - Exam Delay	10 / 10
DMOPC '15 Contest 2 P3 - Origami	7 / 7
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5

User lazerclaw321

Points breakdown

AAC (6 points)

CCC (533.108 points)

CCO (41 points)

Classics (33 points)

CSPC (3 points)

Data Structure Tests (10 points)

DMOPC (178.600 points)

DWITE (28 points)

ECOO (12 points)

FHC (10 points)

GFSSOC (10 points)

IOI (7 points)

JOI (9 points)

Mock CCC (7 points)

Seasonal (5.700 points)

Uncategorized (221.950 points)

VM7WC (5 points)

Problem	Score
DWITE '06 R5 #5 - Prime Palindromes	10 / 10
DWITE '07 R1 #1 - Vanilla Primes	3 / 3
DWITE '07 R2 #1 - Not Quite Prime	5 / 5
DWITE '07 R3 #1 - Yet Another Primes Question	5 / 5
DWITE '09 R7 #2 - Sum of Primes	5 / 5

Problem	Score
GFSSOC '17 J2 - Admission Average	3 / 3
GFSSOC '15 Fall J4 - Marathon	7 / 7

Problem	Score
JOI '05 Final Round P1 - Questionnaire	3 / 3
JOI '05 Final Round P2 - String	5 / 5
JOI '05 Final Round P3 - Square	1 / 5

Problem	Score
New Year's '18 P2 - Mimi and Christmas Cake	5 / 5
New Year's '18 P4 - The Polar Express	0.700 / 7

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	10 / 10
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
ACSL '09 Practice P4 - Rank	7 / 7
Arcadia Computing Contest 2 P5 - lp0 is on fire!	10 / 10
Sum of Primes 2	5 / 5
Alphabet Score	3 / 3
Amplitude Hackathon Summer '25 Problem 1 - AI (Easy)	3 / 3
Amplitude Hackathon Summer '25 Problem 2 - AI (Also Easy)	3 / 3
Amplitude Hackathon Summer '25 Problem 4 - Regina the Social Media Manager	3.500 / 7
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
Art Academy II: The Grand Escape	0.700 / 7
Adding Reversed Numbers	5 / 5
Big Deposits	7 / 7
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
String Finding	5 / 5
Binary	5 / 5
Coin Change	7 / 7
3n+1	3 / 3
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Fast Factorial Calculator	7 / 7
Fibonacci Sequence	3 / 15
Troubling Triangles	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P2 - Shortest Path	10 / 10
HHPC1 P4 - Yet Another A+B Problem	10 / 10
Knapsack 3	0.500 / 10
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 4 P1 - Square Root Decomposition	3 / 3
OTHS Coding Competition 4 P2 - Furina's Rounding	2.500 / 5
OTHS Coding Competition 4 P3 - Photo	5 / 5
Prime Factorization	5 / 5
Primes 2	0.750 / 15
The Cosmic Era P2 - Uneven Sand	5 / 5
Python Infinite Loop	7 / 7