User weihe

Points breakdown

100 / 100

AC | C++20

HCI '16 - Cheapest Operation Ever

on July 9, 2024, 5:56 p.m.

20pp

weighted 100% (20pp)

41 / 41

AC | C++20

Summer Institute '17 Contest 3 P5 - Balanced Cycles

on May 11, 2024, 9:37 p.m.

20pp

weighted 95% (19pp)

150 / 150

AC | C++20

CCO '07 P6 - Road Construction

on Feb. 28, 2024, 1:23 a.m.

20pp

weighted 90% (18pp)

15 / 15

AC | C++20

CCC '16 S5 - Circle of Life

on Oct. 31, 2023, 12:52 a.m.

20pp

weighted 86% (17pp)

100 / 100

AC | C++20

Back From Summer '17 P6: Crowded Cities

on Oct. 5, 2023, 1:04 a.m.

20pp

weighted 81% (16pp)

15 / 15

AC | C++20

CCC '23 S5 - The Filter

on Sept. 27, 2023, 12:50 a.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++20

IOI '11 P2 - Race (Standard I/O)

on May 18, 2024, 7:57 p.m.

17pp

weighted 74% (12pp)

100 / 100

AC | C++20

Educational DP Contest AtCoder Y - Grid 2

on March 8, 2024, 2:30 p.m.

17pp

weighted 70% (12pp)

5 / 5

AC | C++20

Good Debugging

on Dec. 1, 2023, 2:25 a.m.

17pp

weighted 66% (11pp)

100 / 100

AC | C++20

DMOPC '15 Contest 1 P6 - Lelei and Contest

on Nov. 23, 2023, 8:34 p.m.

17pp

weighted 63% (11pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P2 - Alpaca Racing	5 / 5
An Animal Contest 1 P5 - Odd Alpacas	12 / 12
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 2 P2 - Koala Party	5 / 5
An Animal Contest 2 P5 - Koala Carnival	15 / 15
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
An Animal Contest 4 P1 - Dasher's Digits	5 / 5
An Animal Contest 4 P2 - Lavish Lights	10 / 10
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 7 P1 - Squirrnect 4	3 / 3

Problem	Score
Another Contest 2 Problem 3 - Poutine	15 / 15
Another Contest 3 Problem 1 - Diverse Arrays	7 / 7
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 8 Problem 1 - Trash Push	3 / 3

Problem	Score
Baltic OI '01 P5 - Mars Maps	13.500 / 15
Baltic OI '01 P6 - Teleports	10 / 10
Baltic OI '03 P5 - Lamps	15 / 15
Baltic OI '07 P3 - Sound	10 / 10
Baltic OI '10 P4 - Matching Bins	7 / 7
Baltic OI '14 P2 - Three Friends	7 / 7
Baltic OI '15 P3 - Network	15 / 15
Baltic OI '17 P6 - Cat in a tree	15 / 15

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S3 - Surfing	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S2 - Spirals	5 / 5
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S3 - Blindfold	10 / 15
CCC '02 S4 - Bridge Crossing	10 / 10
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	10 / 10
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 '04 S2 - TopYodeller	5 / 5
CCC '04 S5 - Super Plumber	10 / 10
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 '05 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J3 - Cell-Phone Messaging	3 / 3
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '06 S1 - Maternity	5 / 5
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J2 - I Speak TXTMSG	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '07 S2 - Boxes	5 / 5
CCC '07 S3 - Friends	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
CCC '08 J1 - Body Mass Index	2.812 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 J4 - From Prefix to Postfix	7 / 7
CCC '08 S1 - It's Cold Here!	3.300 / 5
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S2 - Lights Going On and Off	10 / 10
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '09 S5 - Wireless	12 / 12
CCC '10 J4 - Global Warming	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '10 S3 - Firehose	15 / 15
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J4 - Boring Business	7 / 7
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 '11 S5 - Switch	12 / 12
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 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	2.300 / 7
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 '14 S4 - Tinted Glass Window	15 / 15
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 '15 S4 - Convex Hull	15 / 15
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 '16 S3 - Phonomenal Reviews	12 / 12
CCC '16 S4 - Combining Riceballs	15 / 15
CCC '16 S5 - Circle of Life	20 / 20
CCC '17 J4 - Favourite Times	5 / 5
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '17 S3 - Nailed It!	7 / 7
CCC '17 S4 - Minimum Cost Flow	17 / 17
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 '18 S3 - RoboThieves	10 / 10
CCC '18 S4 - Balanced Trees	15 / 15
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 '19 S3 - Arithmetic Square	12 / 12
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 '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
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 '21 S3 - Lunch Concert	10 / 10
CCC '21 S4 - Daily Commute	12 / 12
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 '22 S3 - Good Samples	10 / 10
CCC '22 S4 - Good Triplets	15 / 15
CCC '23 J3 - Special Event	5 / 5
CCC '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
CCC '23 S5 - The Filter	20 / 20
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 '24 S4 - Painting Roads	12 / 12
CCC '25 J4 - Sunny Days	5 / 5
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '96 S3 - Pattern Generator	5 / 5
CCC '97 S1 - Sentences	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '97 S3 - Double Knockout Competition	5 / 5
CCC '98 S1 - Censor	5 / 5
CCC '98 S2 - Cross Number Puzzle	5 / 5
CCC '99 S1 - Card Game	5 / 5
CCC '99 S2 - Year 2000	7 / 7
CCOQR '16 - Stupendous Bowties	10 / 10
CCCHK '08 J3 - Phone book	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
CCO '03 P4 - Constrained Permutations	5 / 5
CCO '05 P5 - Segments	10 / 10
CCO '07 P2 - Snowflakes	10 / 10
CCO '07 P6 - Road Construction	20 / 20
CCO '10 P2 - Tree Pruning	15 / 15
CCO '10 P3 - Wowow	15 / 15
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '12 P2 - The Hungary Games	15 / 15
CCO '13 P3 - LHC	12 / 12
CCO '14 P1 - Troyangles	10 / 10
CCO '15 P2 - Artskjid	15 / 15
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '99 P2 - Common Words	10 / 10
CCO '99 P6 - Fast Food	15 / 15

User weihe

Points breakdown

AAC (87 points)

ACC (28 points)

APIO (8 points)

Baltic OI (92.500 points)

CCC (1109.412 points)

CCO (179 points)

CEOI (17 points)

Classics (47 points)

COCI (473.827 points)

Data Structure Tests (35 points)

DMOPC (690 points)

DWITE (68 points)

ECOO (70 points)

EGOI (27.200 points)

FHC (30 points)

GFSSOC (40.100 points)

ICPC (51 points)

IOI (77 points)

Mock CCC (140.333 points)

Mock CCO (25 points)

MWC (17 points)

Olympiads School (15 points)

SAC Coding Challenge (101 points)

Seasonal (159.700 points)

SIUCF (20 points)

TLE (63 points)

TSOC (41 points)

Uncategorized (1017.023 points)

VM7WC (116 points)

WAC (11 points)

Waterloo Local (10 points)

Woburn Challenge (66 points)

YAC (62 points)

Problem	Score
CEOI '19 Practice P1 - Count Squares	7 / 7
CEOI '19 Practice P2 - Separator	10 / 10

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
HopScotch II	12 / 12
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 2 #5 Stol	12 / 12
COCI '06 Contest 5 #5 Ivana	13.636 / 15
COCI '07 Contest 1 #4 Zapis	15 / 15
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '07 Contest 4 #5 Poklon	15 / 15
COCI '07 Contest 6 #2 Semafori	7 / 7
COCI '07 Contest 6 #3 Granica	10 / 10
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 6 #4 Cuskija	10 / 10
COCI '10 Contest 2 #2 Napor	5 / 5
COCI '10 Contest 3 #5 Diferencija	12 / 12
COCI '10 Contest 5 #5 Dvoniz	1.600 / 12
COCI '11 Contest 1 #4 Ples	10 / 10
COCI '11 Contest 5 #2 Eko	5 / 5
COCI '12 Contest 3 #3 Malcolm	7 / 7
COCI '12 Contest 5 #4 Hipercijevi	10 / 10
COCI '13 Contest 5 #1 Lozinka	3 / 3
COCI '13 Contest 5 #2 Obilazak	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #3 Studentsko	12 / 12
COCI '14 Contest 3 #4 Coci	15 / 15
COCI '14 Contest 5 #3 Traktor	7 / 7
COCI '14 Contest 6 #4 Kratki	10 / 10
COCI '15 Contest 2 #2 Geppetto	7 / 7
COCI '15 Contest 2 #4 Savez	1.500 / 15
COCI '15 Contest 2 #5 Vudu	15 / 15
COCI '15 Contest 4 #3 Deathstar	7 / 7
COCI '15 Contest 7 #1 Nizovi	5 / 5
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '16 Contest 1 #4 Mag	15 / 15
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 4 #2 Kartomat	5 / 5
COCI '16 Contest 6 #3 Turnir	7 / 7
COCI '16 Contest 7 #2 Uzastopni	7 / 7
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7
COCI '17 Contest 1 #5 Deda	15 / 15
COCI '17 Contest 2 #2 ZigZag	5 / 5
COCI '18 Contest 1 #3 Cipele	10 / 10
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '18 Contest 5 #2 Jarvis	5 / 5
COCI '19 Contest 5 #2 Političari	7 / 7
COCI '19 Contest 5 #4 Putovanje	15 / 15
COCI '20 Contest 1 #2 Bajka	7 / 7
COCI '20 Contest 4 #2 Vepar	10 / 10
COCI '20 Contest 5 #2 Po	7 / 7
COCI '20 Contest 6 #1 Bold	5 / 5
COCI '20 Contest 6 #3 Anagramistica	1.091 / 12
COCI '21 Contest 5 #1 Kemija	7 / 7
COCI '21 Contest 6 #3 Naboj	10 / 10
COCI '22 Contest 4 #1 7Krokods	5 / 5
COCI '22 Contest 4 #5 Vrsta	12 / 12
COCI '23 Contest 4 #1 Bingo	5 / 5
COI '06 #1 Patrik	12 / 12
COCI '08 Regional #2 Majstor	5 / 5

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

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P2 - Phone Microwave	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 2 P6 - Selective Cutting	12 / 12
DMOPC '14 Contest 3 P3 - Not Enough Personnel!	7 / 7
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P3 - Golden Lily	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 5 P3 - Brotherly Sequence	5 / 5
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 2 P3 - Origami	7 / 7
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 4 P4 - Great Sequence	10 / 10
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 1 P5 - Blood Tubes	12 / 12
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '16 Contest 4 P3 - Carnival Phantasm	10 / 10
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 1 P4 - Quests	12 / 12
DMOPC '17 Contest 2 P2 - Balance	5 / 5
DMOPC '17 Contest 2 P3 - Bad Bunnies	10 / 10
DMOPC '17 Contest 4 P4 - Cops and Robbers	7 / 7
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '17 Contest 5 P2 - Mimi and Binary	5 / 5
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 2 P1 - Pumpkin Patches	3 / 3
DMOPC '18 Contest 2 P2 - Booster Cushions	5 / 5
DMOPC '18 Contest 2 P3 - Thanksgiving Feast	10 / 10
DMOPC '18 Contest 2 P4 - Damage Output	7 / 7
DMOPC '18 Contest 3 P2 - Bob and French Class	7 / 7
DMOPC '18 Contest 3 P4 - Bob and English Class	15 / 15
DMOPC '18 Contest 4 P2 - Dr. Henri and Responsibility	7 / 7
DMOPC '18 Contest 4 P3 - Dr. Henri and Ionization	10 / 10
DMOPC '18 Contest 4 P4 - Dr. Henri and Lab Data	12 / 12
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 2 P1 - Box and Whiskers	5 / 5
DMOPC '19 Contest 3 P2 - Generating Names	7 / 7
DMOPC '19 Contest 3 P3 - Majority	12 / 12
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 4 P3 - Roving Roombas	12 / 12
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 5 P2 - On The Clock	7 / 7
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 1 P2 - Folding Clothes	7 / 7
DMOPC '21 Contest 2 P1 - Bosses	7 / 7
DMOPC '21 Contest 2 P2 - Scrambling Swaps	7 / 7
DMOPC '21 Contest 3 P1 - Sums & Differences	7 / 7
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMOPC '21 Contest 4 P1 - Tree Shopping	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 6 P3 - An Art Problem	10 / 10
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 8 P1 - Peanut Planning	7 / 7
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '21 Contest 9 P2 - String Puzzle	7 / 7
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMOPC '22 Contest 1 P2 - Hat Swap	10 / 10
DMOPC '22 Contest 2 P1 - DMOPC Crisis	5 / 5
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 4 P2 - Fake Painting	10 / 10
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMPG '15 S5 - Black and White	12 / 12
DMPG '16 S5 - Pizza Bag	12 / 12
DMPG '17 S2 - Anime Conventions	10 / 10
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '07 R3 #2 - There's An Essay In My Code	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '09 R1 #3 - That Missing Number	5 / 5
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '10 R3 #3 - Dominos Tiling	10 / 10
DWITE '11 R2 #5 - Portals Check	7 / 7
DWITE '11 R4 #2 - Prime Time	5 / 5
DWITE '12 R1 #4 - Trick or Tree'ing	5 / 5
DWITE '12 R2 #4 - Magic Trick	7 / 7

Problem	Score
ECOO '12 R1 P4 - Boggled	7 / 7
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '14 R1 P3 - Word Search	7 / 7
ECOO '15 R1 P1 - When You Eat Your Smarties	5 / 5
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '17 R3 P2 - Family Trees	7 / 7
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R1 P2 - L-Systems Go	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P1 - Music with Mimi	3 / 3
ECOO '20 P2 - Online Shopping	5 / 5
ECOO '21 P1 - Many Messages	3 / 3
ECOO '21 P2 - DNA Derren	3 / 3
ECOO '21 P3 - Quintessential Questions	3 / 3

Problem	Score
EGOI '21 P1 - Zeros	7 / 7
EGOI '21 P2 - Luna Likes Love	12 / 12
EGOI '22 P5 - Data Centers	1.200 / 10
EGOI '23 P1 - Inflation	7 / 7

Problem	Score
Facebook Hacker Cup '15 Round 1 P1 - Homework	10 / 10
Facebook Hacker Cup '15 Round 1 P2 - Autocomplete	10 / 10
Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort	10 / 10

Problem	Score
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S2 - Hearth	5 / 5
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15
GFSSOC '15 Fall S5 - Raider	5.100 / 17
GFSSOC '15 Winter S1 - OR-deal	5 / 5

Problem	Score
ACM U of T Tryouts C1 A - Rock Paper Scissors Fox	3 / 3
ICPC NEERC 2010 K - Graph Oddity	12 / 12
ICPC PACNW 2016 A - Alphabet	7 / 7
ICPC PACNW 2016 C - Cameras	7 / 7
ICPC PACNW 2016 H - Paint	7 / 7
ICPC PACNW 2016 J - Shopping	15 / 15

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '01 P1 - Mobile Phones	15 / 15
IOI '09 P4 - Raisins	10 / 10
IOI '11 P2 - Race (Standard I/O)	17 / 17
IOI '13 P1 - Dreaming (Standard I/O)	15 / 15
IOI '14 Practice Task 1 - Square	10 / 10

Problem	Score
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '20 Contest 2 S3 - Tree Programming	1.333 / 10
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 1 J3 - String Crossing Maximization	7 / 7
Mock CCC '22 Contest 1 J4 - Snowball Fight	5 / 5
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
Mock CCC '22 Contest 2 J4 - Hockey Bracket	7 / 7
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '24 Contest 1 J5 - Mathland	4 / 10
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 '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '15 S1 - Dupvoting	5 / 5
Mock CCC '15 S2 - Problem-setting Pandemonium	5 / 5
Mock CCC '18 Contest 1 J3/S1 - A Math Problem	5 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem	7 / 7
Mock CCC '18 Contest 1 S4 - A Graph Problem	12 / 12
Mock CCC '18 Contest 3 J4/S2 - A Median Problem	5 / 5
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '22 1 S1 - Big Mattress Tournament	5 / 5
Mock CCC '22 1 S2 - IU	5 / 5
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids	7 / 7

Problem	Score
CCO Preparation Test 5 P1 - City Game	15 / 15
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10

Problem	Score
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #3 P3: Bad News	7 / 7

Problem	Score
Fair Competition	5 / 5
Lemon Game	7 / 7
OCC '19 B1 - Darcy_Liu	3 / 3

Problem	Score
SAC '22 Code Challenge 1 P3 - That Pool	7 / 7
SAC '22 Code Challenge 3 Junior P1 - Normal Problem	3 / 3
SAC '22 Code Challenge 3 Junior P2 - Normal Lines	3 / 3
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 3 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 3 P2 - Unicycle License	5 / 5
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem	3 / 3
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 Junior P4 - Obligatory Permutation Problem	7 / 7
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
SAC '22 Code Challenge 4 P4 - Obligatory Subarray Problem	10 / 10
SAC '22 Code Challenge 5 Junior P1 - Monkey, Type!	3 / 3
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5
SAC '22 Code Challenge 5 Junior P4 - Course Requirements	7 / 7
SAC '22 Code Challenge 5 P1 - Querying Plants	3 / 3
SAC '22 Code Challenge 5 P4 - Querying Intervals	10 / 10

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back From Summer '17 P6: Crowded Cities	20 / 20
Back To School '16: Harambe	3 / 3
Back To School '16: Cherry Tree	12 / 12
Back To School '17: Wet Mud	10 / 10
Back To School '18: Letter Frequency	0.700 / 7
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
Death Gun	7 / 7
Max's Anger Contest Series 1 P2 - Wesley's Anger Contest 7 P1 - Enraged	5 / 5
Max's Anger Contest Series 2 P1 - Directed Anger	3 / 3
Max's Anger Contest Series 2 P2 - Password Anger	5 / 5
Max's Anger Contest Series 2 P3 - Array Anger	7 / 7
Max's Anger Contest Series 2 P5 - Job Anger	12 / 12
MEC '16 P3 - Getting Good at Programming	10 / 10
MNYC '17: Hurontario	10 / 10
Triway Cup '18 Summer B - Beautiful Water Pearl	7 / 7
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7
New Year's '16 P3 - Arithmetic Snowman	5 / 5
New Year's '16 P6 - Cake Balancing	3 / 15
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
TLE '15 P1 - Power Rankings	5 / 5
TLE '16 Contest 2 P2 - Packing Microwaves	5 / 5
TLE '16 Contest 4 P1 - Stack of Presents	5 / 5
TLE '16 Contest 4 P4 - Christmas Tree Building	15 / 15
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax	8 / 15
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5
TLE '17 Contest 4 P2 - Microwave Buttons	5 / 5
TLE '17 Contest 7 P1 - Stargazing	3 / 3
TLE '17 Contest 7 P3 - Countless Calculator Computations	7 / 7

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
TSOC '15 Contest 2 #6 - All-Out War!	15 / 15
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7
TSOC '16 Contest 1 #6 - Joey and Biology	12 / 12

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	10 / 10
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Appleby Contest '19 P4 - Rectangles	7 / 7
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Sum of Primes 2	5 / 5
A Noisy Class	7 / 7
Another Sorting	5 / 5
A Plus B	3 / 3
Avocado Trees!	5 / 5
Palindromic Integer Partition	5 / 5
Big Deposits	7 / 7
List Minimum	3 / 3
Lexicographically Least Substring	5 / 5
Lexicographically Least Substring (Hard)	15 / 15
String Finding	5 / 5
Boxlings	12.857 / 15
Fast Search	15 / 15
Battleships	10 / 10
BSSPC '21 S1 - Lakshy and Palindromic Rectangle	5 / 5
BSSPC '21 S2 - Hacker Soup	7 / 7
BSSPC '21 S3 - James's Egirl Discord Status	7 / 7
Building	2 / 10
Coin Change	7 / 7
Champion Contest	7 / 7
Checkerboard Summation (Easy)	12 / 12
Checkerboard Summation (Hard)	15 / 15
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 S1/J4 - Going to School	5 / 5
Cheerio Contest 1 S2 - School Expansion	7 / 7
Cheerio Contest 1 S4 - Mystery Boxes	3.333 / 10
Chores	7 / 7
3n+1	3 / 3
CPC '19 Contest 1 P1 - Distance	3 / 3
CPC '19 Contest 1 P2 - Luggage	7 / 7
CPC '19 Contest 1 P3 - Admiral Kuznetsov	12 / 12
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Maximum Sum	7 / 7
A Game	10 / 10
Counting Subsequences	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 E - Knapsack 2	7 / 7
Educational DP Contest AtCoder F - LCS	7 / 7
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder N - Slimes	12 / 12
Educational DP Contest AtCoder O - Matching	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder Q - Flowers	15 / 15
Educational DP Contest AtCoder Y - Grid 2	17 / 17
Exam Prep	7 / 7
Flip the Switches	5 / 5
PEG Test '11 - Cyclopian Puzzle	10 / 10
Geography Class	5 / 5
Good Strategy	10 / 10
Good Debugging	17 / 17
King Graff's Defense	15 / 15
Graph Contest 2 P1 - Connected Components	7 / 7
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 2 P3 - Trees	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P2 - Shortest Path	10 / 10
Graph Contest 3 P3 - Cable TV	7 / 7
Hardcore Grinding	5 / 5
HCI '16 - Oversleep	7 / 7
HCI '16 - Cheapest Operation Ever	20 / 20
Hello, World!	3 / 3
HHPC1 P1 - Yielding the Longest Substring	5 / 5
HHPC1 P2 - Yuniformity Challenge	3 / 10
ICHB Selection Contest '17 Problem 3 - Parallel Universe	12 / 12
Word Scrambler	5 / 5
Count The Triplets	7 / 7
Knapsack 3	10 / 10
Levve Loves Segment Trees	15 / 15
Magic Bits	10 / 10
A Math Contest P5 - Good Arrays	7 / 7
MMM '14 A - Distinct Prime Factors	7 / 7
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 1 (Mock CCC) J4 - Railgun	7 / 7
Path Finder	10 / 10
Pick It	15 / 15
Pie	3 / 3
Postfix Notation	7 / 7
Prime Factorization	5 / 5
Primes	3 / 3
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Raytracing	3.333 / 10
James' Rectangles	10 / 10
RGPC '18 P3 - Chocolate Day	10 / 10
RTE '16 S3 - School Traversal	7 / 7
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Dynamic Range Minimum Test	12 / 12
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
Sleigh Ride	10 / 10
SMAC 08/09 (Oct) #3 - Jumpscotch	12 / 12
Coding Spree	7 / 7
The DMOJ Driveway	5 / 5
Segment Tree Practice 3	15 / 15
Cute String Merging	7.500 / 15
A Subarray Problem	7 / 7
Subway Routes	12 / 12
THICC '17 P5 - Smarties	7 / 7
Tree Tasks	10 / 10
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P3 - Cheeky Checkers	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '21 P1 - Counterfeit Detection	3 / 3
UCC Coding Competition '21 P2 - Emerald Exchange	5 / 5
UCC Coding Competition '21 P3 - Long Pizza	5 / 5
Intertwined Strings	7 / 7
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P4 - Ianine's Lil Lab	10 / 10
UTS Open '21 P3 - Latin Class	10 / 10
Valentine's Day '19 J3 - Love!	7 / 7
XOR Minimum	17 / 17

Problem	Score
VMSS '15 #2 - Tomb Robbing	7 / 7
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '15 #2 Silver - 4 Nations, 1 Secret	10 / 10
VM7WC '15 #5 Gold - Tree Planting	12 / 12
VM7WC '16 #1 Bronze - A New Prime Factorization	5 / 5
VM7WC '16 #2 Gold - GGG	15 / 15
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #3 Gold - Hello, Officer.	10 / 10
VM7WC '16 #4 Silver - Tests or Test Cases?	5 / 5
VM7WC '16 #4 Gold - Restoring Reputation	10 / 10
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7
VM7WC '16 #6 Bronze - The Most Important Skill in Biology	3 / 3
VM7WC '16 #6 Gold - Cold War Telecom	10 / 10

Problem	Score
Wesley's Anger Contest Reject 4 - GPS	3 / 10
Wesley's Anger Contest Reject 2 - 🥕suba	3 / 3
Wesley's Anger Contest Reject 5 - Two Permutations	5 / 5

Problem	Score
WC '01 P3 - Back to the Future	5 / 5
WC '07 P3 - Strategy Meeting	10 / 10
WC '15 Finals S2 - Hydration	10 / 10
WC '16 Contest 1 S3 - Tricky's Treats	12 / 12
WC '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 3 S2 - Gym Tour	12 / 12
WC '18 Finals J1 - Conditional Contracts	5 / 5
WC '96 P6 - Bases Multiplication	5 / 5

Problem	Score
Yet Another Contest 1 P2 - A Boring Problem	10 / 10
Yet Another Contest 2 P1 - Betting	5 / 5
Yet Another Contest 2 P2 - Secret Sequence	7 / 7
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 3 P4 - Rumour	15 / 15
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10