User suoe

Points breakdown

30 / 30

AC | PYPY3

CCC '19 S4 - Tourism

on April 3, 2026, 4:25 p.m.

20pp

weighted 100% (20pp)

100 / 100

AC | C++20

NOI '04 P1 - The Depressed Cashier

on March 30, 2026, 6:20 a.m.

20pp

weighted 95% (19pp)

41 / 41

AC | PYPY3

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

on Jan. 30, 2026, 6:31 a.m.

20pp

weighted 90% (18pp)

25 / 25

AC | C++11

CCO '17 P4 - Rainfall Storage

on May 22, 2024, 2:17 p.m.

20pp

weighted 86% (17pp)

25 / 25

AC | C++11

CCO '19 P2 - Sirtet

on May 8, 2024, 10:29 p.m.

20pp

weighted 81% (16pp)

100 / 100

AC | C++11

DMPG '17 G2 - Holy Grail War

on May 5, 2024, 11:02 p.m.

17pp

weighted 77% (13pp)

25 / 25

AC | C++11

CCO '23 P4 - Flip it and Stick it

on May 2, 2024, 11:39 p.m.

17pp

weighted 74% (12pp)

100 / 100

AC | PYPY3

Waterloo 2022 Fall B - Lightbulbs

on April 3, 2026, 4:04 a.m.

15pp

weighted 70% (10pp)

15 / 15

AC | PYPY3

CCC '12 S4 - A Coin Game

on March 21, 2026, 4:21 a.m.

15pp

weighted 66% (10.0pp)

120 / 120

AC | C++20

IOI '07 P4 - Miners

on March 17, 2026, 9:43 p.m.

15pp

weighted 63% (9.5pp)

Problem	Score
An Animal Contest 1 P3 - Happy Alpacas	7 / 7
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 2 P4 - Koala Gambling	12 / 12
An Animal Contest 2 P5 - Koala Carnival	15 / 15
An Animal Contest 3 P4 - Monkey Mayhem	7 / 7
An Animal Contest 4 P2 - Lavish Lights	10 / 10
An Animal Contest 5 P2 - Permutations & Products	5 / 5

Problem	Score
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '08 S1 - It's Cold Here!	3 / 3
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '10 S2 - Huffman Encoding	1.700 / 5
CCC '10 S4 - Animal Farm	15 / 15
CCC '12 S4 - A Coin Game	15 / 15
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S5 - Factor Solitaire	15 / 15
CCC '15 S3 - Gates	10 / 10
CCC '17 S3 - Nailed It!	7 / 7
CCC '18 S3 - RoboThieves	10 / 10
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S4 - Tourism	20 / 20
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
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 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 '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
CCC '23 S5 - The Filter	4 / 20
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	2.667 / 20
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '26 S4 - Minecarts	10 / 15

Problem	Score
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '07 P2 - Snowflakes	10 / 10
CCO '11 P3 - Spies Like Us	10 / 10
CCO '13 P3 - LHC	1.440 / 12
CCO '14 P1 - Troyangles	10 / 10
CCO '16 P1 - Field Trip	10 / 10
CCO '16 P2 - Splitting Hares	15 / 15
CCO '16 P3 - Legends	6 / 30
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '17 P4 - Rainfall Storage	20 / 20
CCO '18 P4 - Gradient Descent	15 / 15
CCO '19 P2 - Sirtet	20 / 20
CCO '20 P1 - A Game with Grundy	10 / 10
CCO '20 P2 - Exercise Deadlines	15 / 15
CCO '21 P1 - Swap Swap Sort	7.480 / 17
CCO '22 P1 - Alternating Heights	12 / 12
CCO '23 P1 - Binaria	12 / 12
CCO '23 P2 - Real Mountains	2.040 / 17
CCO '23 P4 - Flip it and Stick it	17 / 17
CCO '24 P1 - Treasure Hunt	10 / 10

Problem	Score
Sorting	3 / 3
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '09 Contest 1 #5 Genijalac	12 / 12
COCI '11 Contest 3 #3 Pogodak	10 / 10
COCI '15 Contest 1 #3 Baloni	10 / 10
COCI '19 Contest 1 #5 Zoo	12 / 12
COCI '20 Contest 6 #3 Anagramistica	12 / 12
COCI '23 Contest 4 #1 Bingo	5 / 5
COCI '23 Contest 4 #2 Knjige	7 / 7

User suoe

Points breakdown

AAC (73 points)

ACC (15 points)

Baltic OI (7 points)

CCC (366.367 points)

CCO (219.960 points)

China NOI (20 points)

Classics (13 points)

COCI (68 points)

Data Structure Tests (50 points)

DMOPC (168.800 points)

ECOO (10 points)

EGOI (17 points)

Google Code Jam (20 points)

ICPC (14 points)

IOI (131.750 points)

Mock CCC (32 points)

Mock CCO (24.600 points)

MWC (10 points)

Olympiads School (68.300 points)

POI (12 points)

SAC Coding Challenge (15 points)

Seasonal (61 points)

TLE (15 points)

Uncategorized (437.250 points)

VM7WC (5 points)

Waterloo Local (15 points)

Woburn Challenge (12 points)

YAC (27 points)

Problem	Score
Binary Indexed Tree Test	10 / 10
Disjoint Set Test	10 / 10
Segment Tree Test	15 / 15
Binary Search Tree Test	15 / 15

Problem	Score
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P4 - Deforestation	7 / 7
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '16 Contest 2 P3 - Queries	7 / 7
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 3 P2 - Towers of Hanoi	7 / 7
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '21 Contest 4 P3 - Palindromic Presents	12 / 12
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 8 P2 - Kanna Market	10 / 10
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMPG '15 S4 - Signal Hill	10 / 10
DMPG '15 S6 - Apples to Oranges	3.400 / 17
DMPG '16 S5 - Pizza Bag	4.200 / 12
DMPG '17 B5 - Hackathons	4.200 / 7
DMPG '17 G2 - Holy Grail War	17 / 17
DMPG '18 B6 - House of Cards	7 / 7

Problem	Score
EGOI '22 P5 - Data Centers	10 / 10
EGOI '23 P1 - Inflation	7 / 7

Problem	Score
CTU Open Contest 2017 - Go Northwest!	7 / 7
ICPC PACNW 2016 A - Alphabet	7 / 7

Problem	Score
IOI '07 P4 - Miners	15 / 15
IOI '09 P6 - Mecho	10 / 10
IOI '10 P3 - Quality of Living	15 / 15
IOI '10 P3 - Quality of Living (Standard I/O)	15 / 15
IOI '11 P3 - Rice Hub	15 / 15
IOI '11 P3 - Rice Hub (Standard I/O)	15 / 15
IOI '13 P1 - Dreaming	15 / 15
IOI '13 P1 - Dreaming (Standard I/O)	15 / 15
IOI '14 Practice Task 1 - Square	10 / 10
IOI '19 P1 - Arranging Shoes	6.750 / 15

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles	5 / 5
Mock CCC '24 Contest 1 S2 - Owen the Toucan	7 / 7
Mock CCC '24 Contest 1 S3 - Optimal Split Point	2 / 10
Mock CCC '18 Contest 3 S4 - A Graph Problem	10 / 10

Problem	Score
CCO Preparation Test 5 P1 - City Game	15 / 15
CCO Preparation Test 6 P2 - An Easy Problem	9.600 / 12

Problem	Score
Bob's Function	5.100 / 17
Bob's Bitwise Operation	1.700 / 17
Dan's Monkeys	10 / 20
Bob's Longest Common Path	7.200 / 25
The Subset	4 / 20
Least Multiple	3.500 / 10
Circular Swap	3.800 / 25
Adjacent Pairs	15 / 15
Permutation Sorting	6 / 20
Tree Journey	12 / 12

Problem	Score
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
Halloween '14 P2 - Cat Girls	12 / 12
Max's Anger Contest Series 1 P1 - Hunger Bar	3 / 3
Max's Anger Contest Series 1 P2 - Wesley's Anger Contest 7 P1 - Enraged	5 / 5
Max's Anger Contest Series 1 P3 - Divide and Connor	7 / 7
Miracle Sort	3 / 3
Piggy	7 / 7
Tree Cutting	12 / 12

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	5 / 10
2spooky4me	7 / 7
Triple Fat Ladies	5 / 5
AAAA 1 P1 - Even-Odd Sort	7 / 7
Appleby Contest '19 P4 - Rectangles	1.050 / 7
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Appleby Contest '20 P3 - Ridiculous String	4 / 10
A Coin Problem	12 / 12
A Plus B	3 / 3
List Minimum (Easy)	3 / 3
String Finding	5 / 5
Fast Search	15 / 15
Back to School '24 P1 - Kicking	5 / 5
Back to School '24 P2 - Cheating	10 / 10
Back to School '24 P3 - Tournament	12 / 12
Coin Change	7 / 7
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Comparing Arrays	3 / 15
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
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	5 / 5
Dr. Anne Anderson Coding Contest 1 P5 - Guessing Grades	7 / 7
Distinct Shapes	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 G - Longest Path	10 / 10
Educational DP Contest AtCoder I - Coins	10 / 10
Fast Factorial Calculator	7 / 7
Hello, World!	3 / 3
HHPC1 P1 - Yielding the Longest Substring	5 / 5
HHPC1 P2 - Yuniformity Challenge	3 / 10
HHPC1 P4 - Yet Another A+B Problem	5 / 10
A Math Contest P2 - Subsequence Sum	5 / 5
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
Path Finder	1.500 / 10
Presents	10 / 10
Primes	3 / 3
Scansion	10 / 10
Singularity Cup P1 - Maximum Permutation Product	1 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Dynamic Range Minimum Test	12 / 12
Python Infinite Loop	7 / 7
Bubble Sort	7 / 7
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
The Contest Contest 1 P1 - A Typical Codeforces Problem	5 / 5
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
The Contest Contest 1 P5 - A Typical CCO Problem	1 / 20
TSS Club Fair 2017 Problem B	7 / 7
UHCC1 P1 - PONG!	3 / 3
UHCC1 P2 - String	5 / 5
UHCC1 P3 - Busy Elevator	5 / 5
UHCC1 P4 - Manhattan Distance	7 / 7
UHCC1 P5 - Binary Triangles	7 / 7
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
UTS Open '24 P4 - Political Espionage	11.700 / 12
WOSS Dual Olympiad 2023 J3/S1: Moving Sand	7 / 7
WOSS Dual Olympiad 2023 S2: Geese Attack	10 / 10

Problem	Score
Yet Another Contest 1 P1 - Mixed Doubles	7 / 7
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5