User RyanjXu

Points breakdown

50 / 50

AC | PY3

Decoding

on March 2, 2025, 12:28 a.m.

20pp

weighted 100% (20pp)

5 / 5

AC | C++14

Good Debugging

on Jan. 17, 2025, 2:04 p.m.

17pp

weighted 95% (16pp)

16 / 16

AC | PY3

Please Help Me

on March 1, 2025, 5:00 p.m.

15pp

weighted 90% (14pp)

100 / 100

AC | PY2

Self-deception

on Jan. 13, 2025, 11:14 p.m.

15pp

weighted 86% (13pp)

100 / 100

AC | C++11

Fibonacci Sequence

on Jan. 10, 2025, 2:32 p.m.

15pp

weighted 81% (12pp)

935 / 935

AC | C++11

A Plus B (Hard)

on March 3, 2025, 1:48 a.m.

12pp

weighted 77% (9.3pp)

1 / 1

AC | C++11

Canada Day Contest 2021 - CCC Bad Haha

on March 2, 2025, 9:52 p.m.

12pp

weighted 74% (8.8pp)

100 / 100

AC | C++14

Segment Tree Practice 2

on Dec. 23, 2024, 6:58 a.m.

12pp

weighted 70% (8.4pp)

100 / 100

AC | C++14

Segment Tree Practice 1

on Dec. 20, 2024, 2:48 p.m.

12pp

weighted 66% (8.0pp)

100 / 100

AC | C++14

Dynamic Range Minimum Test

on Nov. 24, 2023, 7:12 p.m.

12pp

weighted 63% (7.6pp)

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 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 3 P2 - Monkey Potato	5 / 5

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Times Tables	3 / 3
BlueBook - Calculator	7 / 7
BlueBook - Multiple	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 '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 S2 - Fraction Action	5 / 5
CCC '03 J1 - Trident	3 / 3
CCC '03 J2 - Picture Perfect	3 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	7 / 15
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 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 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 '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 '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 '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 '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 '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 '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 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 '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	7 / 7
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 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 '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 '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 '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 '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 '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 '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 '20 S2 - Escape Room	10 / 10
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 '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 '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 S5 - Chocolate Bar Partition	2.667 / 20
CCC '25 J3 - Product Codes	5 / 5
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 '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '97 S1 - Sentences	5 / 5
CCC '98 S1 - Censor	5 / 5
CCC '99 S1 - Card Game	5 / 5
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 S1 - Finding number of pairs	7 / 7

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Modular Multiplicative Inverse	7 / 7
Quine	10 / 10
Unique Elements	3 / 3

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '06 Contest 1 #2 Herman	5 / 5
COCI '06 Contest 5 #1 Trik	3 / 3
COCI '08 Contest 1 #2 Ptice	5 / 5
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '09 Contest 4 #1 Autori	3 / 3
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '18 Contest 3 #1 Magnus	5 / 5
COCI '22 Contest 1 #1 Desni Klik	5 / 5

User RyanjXu

Points breakdown

AAC (28 points)

ACC (5 points)

BlueBook (16 points)

CCC (703 points)

CCO (7 points)

China NOI (5 points)

Classics (28 points)

COCI (44 points)

DMOPC (34 points)

ECOO (5 points)

ICPC (3 points)

Mock CCC (43 points)

SAC Coding Challenge (8 points)

Seasonal (60 points)

Uncategorized (366.636 points)

VM7WC (5 points)

Woburn Challenge (22 points)

YAC (5 points)

Problem	Score
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '15 Contest 4 P2 - The Big Clock	5 / 5
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 1 P0 - C.C. and Cheese-kun	3 / 3
DMOPC '18 Contest 2 P4 - Damage Output	7 / 7
DMOPC '20 Contest 3 P1 - Present Checking	5 / 5

Problem	Score
Mock CCC '22 Contest 1 J2 - Biking and Hiking	3 / 3
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
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 J3 - Pairing Gifts	5 / 5
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '15 S1 - Dupvoting	2 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 5 J1 - Looking for the CCC	3 / 3
Mock CCC '22 1 S1 - Big Mattress Tournament	5 / 5
Mock CCC '22 1 S2 - IU	5 / 5

Problem	Score
SAC '21 Code Challenge P2 - Littering	5 / 5
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem	3 / 3

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
CCCJQR P3	7 / 7
Miracle Sort	3 / 3
Piggy	7 / 7
Too Simple	7 / 7
Still Too Simple	10 / 10
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
16 BIT S/W ONLY	3 / 3
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P2 - The Love Letter	5 / 5
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
PEG Test '14 - Water	3 / 3
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
A Block Game	3 / 3
Boolean	3 / 3
Checker Number	7 / 7
Cheerio Contest 1 S3 - Stock Trading	7 / 7
3n+1	3 / 3
Comparing Arrays	3 / 15
Data Compression	5.736 / 15
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Dr. Anne Anderson Coding Contest 1 P2 - Pokemon Battles	3 / 3
Dr. Anne Anderson Coding Contest 1 P3 - The Unwritten Rules	5 / 5
Dr. Anne Anderson Coding Contest 1 P4 - Lighting	2.500 / 5
Dr. Anne Anderson Coding Contest 1 P5 - Guessing Grades	0.400 / 7
Please Help Me	15 / 15
A Game	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
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	2 / 20
Fibonacci Sequence	15 / 15
Flip the Switches	5 / 5
Troubling Triangles	7 / 7
Good Debugging	17 / 17
Hello, World!	3 / 3
Guess the Sequence	3 / 3
Multiplication Improvement	5 / 5
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 1 (Mock CCC) J4 - Railgun	7 / 7
OTHS Coding Competition 2 P3 - Tally Clicker	5 / 5
Postfix Notation	7 / 7
Primes	3 / 3
Pulse	3 / 3
Self-deception	15 / 15
Disclosure	10 / 10
Decoding	20 / 20
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Dynamic Range Minimum Test	12 / 12
Python Infinite Loop	7 / 7
The DMOJ Driveway	5 / 5
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
UACC 1 P1 - Bench Press Bob	3 / 3
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7

Problem	Score
WC '15 Contest 2 J1 - A New Hope	3 / 3
WC '16 Contest 1 J1 - A Spooky Season	3 / 3
WC '17 Contest 1 J2 - How's the Weather?	3 / 3
WC '17 Contest 1 S1 - On the Rocks	5 / 5
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '18 Contest 3 J1 - An Honest Day's Work	3 / 3