User stanwww

Points breakdown

15 / 15

AC | JAVA

CCC '16 S5 - Circle of Life

on May 1, 2025, 12:32 a.m.

20pp

weighted 100% (20pp)

100 / 100

AC | C++20

Fast Factorial Calculator 2

on Jan. 13, 2025, 11:07 p.m.

20pp

weighted 95% (19pp)

512 / 512

AC | JAVA

TLE 2018-19 P1 - Hello, World!

on Jan. 9, 2025, 8:36 p.m.

20pp

weighted 90% (18pp)

100 / 100

AC | JAVA8

Linked List

on Dec. 15, 2024, 7:40 p.m.

20pp

weighted 86% (17pp)

100 / 100

AC | JAVA

DMOPC '21 Contest 10 P5 - Number Theory

on Oct. 24, 2024, 12:12 p.m.

20pp

weighted 81% (16pp)

200 / 200

AC | C++17

A Times B

on Oct. 14, 2024, 5:38 p.m.

20pp

weighted 77% (15pp)

140 / 140

AC | JAVA

COCI '14 Contest 6 #5 Neo

on Aug. 22, 2025, 11:17 p.m.

17pp

weighted 74% (12pp)

100 / 100

AC | JAVA

TLE '16 Contest 8 P4 - Delivery Service

on June 6, 2025, 10:13 p.m.

17pp

weighted 70% (12pp)

100 / 100

AC | JAVA8

Fibonacci Sequence (Harder)

on March 26, 2025, 9:29 p.m.

17pp

weighted 66% (11pp)

100 / 100

AC | JAVA

DMOPC '20 Contest 6 P5 - Jennifer's Math Mystery

on March 21, 2025, 7:51 p.m.

17pp

weighted 63% (11pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
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 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P4 - Number Game	12 / 12
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 6 P2 - G-Pop	7 / 7
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Cost	3 / 3
BlueBook - Direction	3 / 3
BlueBook - Pay	3 / 3
BlueBook - Change	3 / 3
BlueBook - Times Tables	3 / 3
BlueBook - Max is Last	3 / 3
BlueBook - Interest	3 / 3
BlueBook - World Pop	3 / 3
BlueBook - Power Base	3 / 3
BlueBook - Powers of 2	3 / 3
BlueBook - Find the Character	3 / 3
BlueBook - Column of Numbers	3 / 3
BlueBook - Pop Explosion	3 / 3
BlueBook - Digits and Sums	3 / 3
BlueBook - Exact Divisors	3 / 3
BlueBook - 10 Primes on a Line	5 / 5
BlueBook - Bills Bills Bills	7 / 7
BlueBook - Max	3 / 3
BlueBook - Payment	3 / 3
BlueBook - Mode	3 / 3
BlueBook - Magic Square	3 / 3
BlueBook - Triangle	3 / 3
BlueBook - Sieve	5 / 5
BlueBook - Voting	3 / 3
BlueBook - Min	3 / 3
BlueBook - First Blank	3 / 3
BlueBook - Digits	3 / 3
BlueBook - Lower Case	3 / 3
BlueBook - Prime	3 / 3
BlueBook - Days	3 / 3
BlueBook - Grades	3 / 3
BlueBook - Leap Year	3 / 3
BlueBook - Calculator	7 / 7
BlueBook - Multiple	3 / 3
BlueBook - Equation	3 / 3

Problem	Score
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '03 P5 - Longest Substring	7 / 7
CCO '05 P4 - Primed Sequences	12 / 12
CCO '08 P5 - Candy	7 / 7
CCO '09 P6 - A Weighty Problem	12 / 12
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '12 P2 - The Hungary Games	15 / 15
CCO '14 P1 - Troyangles	10 / 10
CCO '15 P2 - Artskjid	15 / 15
CCO '16 P4 - O Canada	10 / 10
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '18 P2 - Wrong Answer	12 / 12
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '97 P1 - Palindromes	10 / 10
CCO '97 P2 - Alien Invasion	10 / 10
CCO '98 P2 - Message Deciphering	7 / 7

Problem	Score
CIW '25 P1 - Course Override	7 / 7
CIW '25 P2 - Chocolate Bar Partition 2	12 / 12

Problem	Score
Sorting	3 / 3
All Pairs Shortest Path	2 / 20
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
Longest Increasing Subsequence	10 / 10
Fast Matrix Multiplication	2.497 / 20
Modular Multiplicative Inverse	7 / 7
Quine	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

User stanwww

Points breakdown

AAC (50 points)

ACC (15 points)

BlueBook (120 points)

Bubble Cup (12 points)

CCC (1209 points)

CCO (174 points)

China NOI (11.050 points)

CIW (19 points)

Classics (64.497 points)

COCI (423 points)

CSPC (7 points)

CTF (23 points)

Data Structure Tests (27 points)

DMOPC (541 points)

DWITE (127 points)

ECOO (22 points)

EGOI (7 points)

FHC (20 points)

GFSSOC (69 points)

Google Code Jam (15 points)

Google Kick Start (12 points)

ICPC (21 points)

IOI (32 points)

JOI (10 points)

Mock CCC (229 points)

Mock CCO (54 points)

MWC (24 points)

Olympiads School (31.200 points)

SAC Coding Challenge (60 points)

Seasonal (182 points)

TLE (49 points)

TSOC (7 points)

Uncategorized (1254 points)

VM7WC (127 points)

WAC (5 points)

Waterloo Local (10 points)

Woburn Challenge (81 points)

YAC (39 points)

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 S3 - Surfing	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S2 - Spirals	5 / 5
CCC '01 S2 - Spirals (Exact Version)	7 / 7
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	10 / 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 S4 - Substrings	15 / 15
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 '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 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
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 '06 S1 - Maternity	5 / 5
CCC '06 S2 - Attack of the CipherTexts	5 / 5
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 J5 - Keep on Truckin'	7 / 7
CCC '07 S2 - Boxes	5 / 5
CCC '07 S3 - Friends	7 / 7
CCC '07 S4 - Waterpark	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
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 S3 - Maze	7 / 7
CCC '08 S5 - Nukit	10 / 10
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 '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 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 '10 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
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 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 '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 S4 - A Coin Game	15 / 15
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?	7 / 7
CCC '13 S5 - Factor Solitaire	15 / 15
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 '14 S4 - Tinted Glass Window	15 / 15
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 '15 S4 - Convex Hull	15 / 15
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 '16 S3 - Phonomenal Reviews	12 / 12
CCC '16 S4 - Combining Riceballs	15 / 15
CCC '16 S5 - Circle of Life	20 / 20
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 '17 S3 - Nailed It!	7 / 7
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 '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 J5 - Rule of Three	10 / 20
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 J4 - Cyclic Shifts (Hard)	12 / 12
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 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 '23 J1 - Deliv-e-droid	3 / 3
CCC '23 J3 - Special Event	5 / 5
CCC '23 J5 - CCC Word Hunt	10 / 10
CCC '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
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 J1 - Roller Coaster Ride	3 / 3
CCC '25 J2 - Donut Shop	3 / 3
CCC '25 J3 - Product Codes	5 / 5
CCC '25 J4 - Sunny Days	5 / 5
CCC '25 J5 - Connecting Territories	7 / 7
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '25 S3 - Pretty Pens	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '25 S5 - To-Do List	17 / 17
CCC '96 S3 - Pattern Generator	5 / 5
CCC '97 S5 - Long Division	10 / 10
CCC '98 S2 - Cross Number Puzzle	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 '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
CCCHK '15 S2 - Matching Problem	10 / 10
CCCHK '15 S4 - When to meet?	15 / 15
CCCHK '15 S5 - Can I pass the courses?	5 / 25

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '06 Contest 1 #4 Slikar	10 / 10
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 2 #5 Stol	12 / 12
COCI '06 Contest 3 #5 Bicikli	15 / 15
COCI '06 Contest 5 #5 Ivana	15 / 15
COCI '07 Contest 1 #4 Zapis	15 / 15
COCI '07 Contest 2 #3 Prva	7 / 7
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 3 #3 Cross	10 / 10
COCI '10 Contest 2 #2 Napor	5 / 5
COCI '10 Contest 3 #5 Diferencija	12 / 12
COCI '10 Contest 6 #4 Abeceda	10 / 10
COCI '10 Contest 7 #3 Gitara	7 / 7
COCI '10 Contest 7 #5 Kuglice	12 / 12
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 5 #2 Obilazak	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #2 Utrka	5 / 5
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 '14 Contest 6 #5 Neo	17 / 17
COCI '15 Contest 2 #2 Geppetto	7 / 7
COCI '15 Contest 4 #3 Deathstar	7 / 7
COCI '15 Contest 5 #4 Poplava	12 / 12
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 3 #2 Pohlepko	7 / 7
COCI '16 Contest 4 #3 Kas	10 / 10
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7
COCI '17 Contest 3 #4 Portal	12 / 12
COCI '18 Contest 2 #4 Maja	15 / 15
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '18 Contest 5 #2 Jarvis	5 / 5
COCI '20 Contest 1 #2 Bajka	7 / 7
COCI '20 Contest 3 #1 Knjige	7 / 7
COCI '20 Contest 5 #2 Po	7 / 7
COCI '20 Contest 5 #3 Magenta	12 / 12
COCI '20 Contest 6 #1 Bold	5 / 5
COCI '22 Contest 3 #4 Bomboni	12 / 12
COI '06 #1 Patrik	12 / 12
COCI '08 Regional #2 Majstor	5 / 5

Problem	Score
DMOJ Capture The Flag '20 G1 - Sanity Check	3 / 3
DMOJ Capture The Flag '20 G2 - Where's the flag?	3 / 3
DMOJ Capture The Flag '20 G3 - Git Gud	5 / 5
JSB '19 - P1	5 / 5
JSB '19 - P2	7 / 7

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
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	10 / 10
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 7 P1 - Flare	3 / 3
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
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	10 / 10
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 '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 2 P4 - Damage Output	7 / 7
DMOPC '18 Contest 3 P2 - Bob and French Class	7 / 7
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 5 P3 - A Familiar Problem	7 / 7
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '19 Contest 3 P0 - What is it?	3 / 3
DMOPC '19 Contest 3 P1 - Mode Finding	5 / 5
DMOPC '19 Contest 3 P4 - Same Colour Leaves	15 / 15
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 6 P0 - Trivial Math	3 / 3
DMOPC '19 Contest 6 P1 - Grade 9 Math	7 / 7
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 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 6 P3 - Bread Merchant	10 / 10
DMOPC '20 Contest 6 P5 - Jennifer's Math Mystery	17 / 17
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
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
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 9 P3 - Terrible Trains	12 / 12
DMOPC '22 Contest 1 P2 - Hat Swap	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
DMPG '15 S5 - Black and White	12 / 12
DMPG '17 B4 - Bad Sort	7 / 7
DMPG '17 B6 - Multiply and Surrender	7 / 7
DMPG '17 S2 - Anime Conventions	10 / 10
DMPG '18 G1 - Musical Chairs	10 / 10
DMPG '18 G5 - Triangles	15 / 15

Problem	Score
DWITE '02 R2 #2 - The Five M's of Stats 101	5 / 5
DWITE '02 R2 #3 - The Game of Life	7 / 7
DWITE '02 R2 #5 - Now I know my ABCs	5 / 5
DWITE '06 R5 #1 - Points on a Line	7 / 7
DWITE '06 R5 #2 - Floppy Disk	7 / 7
DWITE '06 R5 #5 - Prime Palindromes	10 / 10
DWITE '07 R1 #4 - Stacks of Blocks	5 / 5
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '07 R2 #5 - Bridges In A Graph	7 / 7
DWITE '07 R3 #1 - Yet Another Primes Question	5 / 5
DWITE '07 R3 #3 - Playlist	7 / 7
DWITE '08 R1 #4 - What is this Roman Numeral	7 / 7
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '08 R3 #5 - Now in 3D	7 / 7
DWITE '10 R2 #4 - Fractions to Decimal	7 / 7
DWITE '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R3 #4 - ABCA Maze	7 / 7
DWITE '11 R4 #2 - Prime Time	5 / 5
DWITE '12 R5 #3 - Triangle Count	7 / 7

Problem	Score
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5

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

Problem	Score
GFSSOC '15 Fall J3 - Equation Solver	5 / 5
GFSSOC '15 Fall J4 - Marathon	7 / 7
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S1 - T-Shirts	5 / 5
GFSSOC '15 Fall S3 - System(0);	10 / 10
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15
GFSSOC '15 Winter S1 - OR-deal	5 / 5
GFSSOC '15 Winter S4 - Starry Nights	12 / 12

Problem	Score
Google Code Jam '14 Round 1A Problem B - Full Binary Tree	10 / 10
Google Code Jam '22 Qualification Round Problem C - d1000000	5 / 5

Problem	Score
ICPC PACNW 2016 A - Alphabet	7 / 7
ICPC PACNW 2016 C - Cameras	7 / 7
ICPC PACNW 2016 H - Paint	7 / 7

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '24 P1 - Nile	15 / 15
IOI '94 P1 - The Triangle	7 / 7

Problem	Score
JOI '05 Final Round P2 - String	5 / 5
JOI '05 Final Round P3 - Square	5 / 5

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '20 Contest 1 J2 - A Simplex Problem	3 / 3
Mock CCC '20 Contest 1 J3 - A Geometry Problem	3 / 3
Mock CCC '20 Contest 1 J4 - A Binary Problem	5 / 5
Mock CCC '20 S1 - War	3 / 3
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube	3 / 3
Mock CCC '20 Contest 2 S3 - Tree Programming	10 / 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 1 J5 - New Year's Restrictions	7 / 7
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 J5 - Dominating the Olympics	10 / 10
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 '14 S1 - Reverse Find	5 / 5
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '15 J3 - Problem-setting Pandemonium	3 / 3
Mock CCC '15 J4 - Vox in Box	7 / 7
Mock CCC '15 J5 - Royal Guard	10 / 10
Mock CCC '18 Contest 1 J1 - A String Problem	3 / 3
Mock CCC '18 Contest 1 J2 - A Substring Problem	3 / 3
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 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 '18 Contest 3 J4/S2 - A Median Problem	5 / 5
Mock CCC '18 Contest 5 J1 - Looking for the CCC	3 / 3
Mock CCC '18 Contest 5 J2 - Smallest Mode	3 / 3
Mock CCC '18 Contest 5 J3/S1 - Median Triples	5 / 5
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort	5 / 5
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
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
Mock CCC '19 Contest 2 S1 - Tudor's Double Doors	3 / 3
Mock CCC '21 S2 - Colorful Strings	7 / 7
Mock CCC '22 1 S1 - Big Mattress Tournament	5 / 5
Mock CCC '22 1 S2 - IU	5 / 5
Mock CCC '22 1 S3 - IU	7 / 7
Valentine's Day '18 J3 - Are they cute?	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
CCO Preparation Test 6 P2 - An Easy Problem	12 / 12
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem	12 / 12
Mock CCO '18 Contest 4 Problem 3 - Counterattack	15 / 15

Problem	Score
MWC '15 #1 P5: Love Guru	7 / 7
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #3 P3: Bad News	7 / 7

Problem	Score
A Sum Problem	12 / 12
OCC '19 B1 - Darcy_Liu	3 / 3
Game of Honesty	15 / 15
Bad Cut	1.200 / 15

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 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 3 P3 - Bob Sort	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 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 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

Problem	Score
Back From Summer '17 P1: Pithy Pastimes	3 / 3
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '17: Wet Mud	10 / 10
Back To School '18: Letter Frequency	7 / 7
Canada Day Contest 2021 - Bob and Canada	7 / 7
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
CCCJQR P2	3 / 3
CCCJQR P3	7 / 7
Death Gun	7 / 7
Max's Anger Contest Series 2 P2 - Password Anger	5 / 5
Max's Anger Contest Series 2 P3 - Array Anger	7 / 7
MEC '16 P3 - Getting Good at Programming	10 / 10
Miracle Sort	3 / 3
Piggy	7 / 7
Sword Art Online Judge	7 / 7
Sword Art Online Judge 2	10 / 10
Sword Art Online Judge 3	7 / 7
Triway Cup '18 Summer B - Beautiful Water Pearl	7 / 7
TLE 2018-19 P1 - Hello, World!	20 / 20
Too Simple	7 / 7
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7
WOSS Dual Olympiad 2022 J1: Holiday Gifting	3 / 3
New Year's '17 P1 - Mr. N and Presents	7 / 7
New Year's '18 P2 - Mimi and Christmas Cake	5 / 5

Problem	Score
Factorial Calculator	7 / 7
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax	15 / 15
TLE '16 Contest 8 P4 - Delivery Service	17 / 17
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	10 / 10
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
A20 Gate	5 / 5
Triple Fat Ladies	5 / 5
Appleby Contest '19 P1 - Darcy's Debilitating Demands	3 / 3
Appleby Contest '19 P2 - The Love Letter	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
Appleby Contest '19 P4 - Rectangles	7 / 7
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Appleby Contest '20 P2 - Playful Playdoughs	5 / 5
Appleby Contest '20 P3 - Ridiculous String	10 / 10
ACSL '09 Practice P3 - Zeroes	10 / 10
A Harder Game	15 / 15
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 1 P5 - Hacking Grades	7 / 7
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Arcadia Computing Contest 2 P3 - Alternato	7 / 7
Arcadia Computing Contest 2 P4 - Choose Your Own Adventure!	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 '24 Practice Problem 1 - Jeffrey's Favorite Integer	3 / 3
A Noisy Class	7 / 7
Another Sorting	5 / 5
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
A Times B	20 / 20
Avocado Trees!	5 / 5
Palindromic Integer Partition	5 / 5
Big Deposits	7 / 7
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Lexicographically Least Substring	5 / 5
Lexicographically Least Substring (Hard)	15 / 15
String Finding	5 / 5
String Finding - Hacking	10 / 10
Binary	5 / 5
Boolean	3 / 3
BPC 1 S1 - Homework Questions	5 / 5
Back to School '24 P1 - Kicking	5 / 5
Stingy Candyman	10 / 10
Casino Crisis	12 / 12
Coin Change	7 / 7
Cheerio Contest 1 S3 - Stock Trading	7 / 7
Cheerio Contest 3 P4 - Bit Flips	12 / 12
3n+1	3 / 3
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
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
Dr. Anne Anderson Coding Contest 1 P6 - Designing An Academic Course Calendar	10 / 10
Dilhan's Computing Contest 1 P1 - The Cathedral of Learning	3 / 3
Age Demographic	5 / 5
German Nouns	5 / 5
More German Nouns	7 / 7
Please Help Me	15 / 15
Divide and Mod	3 / 3
Maximum Sum	7 / 7
A Game	10 / 10
Longest Increasing Subsequence	7 / 7
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 G - Longest Path	10 / 10
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder I - Coins	10 / 10
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder N - Slimes	12 / 12
Educational DP Contest AtCoder O - Matching	12 / 12
Exam Prep	7 / 7
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	20 / 20
Factors	7 / 7
Favorite Numbers	5 / 5
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
PEG Test '11 - Cyclopian Puzzle	10 / 10
Graph Contest 1 P2 - Shortest Path	5 / 5
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
Hello, World!	3 / 3
HHPC1 P2 - Yuniformity Challenge	10 / 10
Word Scrambler	5 / 5
Inaho V	3 / 3
Infinity	3 / 3
Count The Triplets	7 / 7
Knapsack 3	10 / 10
Largest Permutation	7 / 7
Lil' Jami	5 / 5
Linked List	20 / 20
Guess the Sequence	3 / 3
A Math Contest P5 - Good Arrays	7 / 7
Miniature Sudoku	7 / 7
MMM '14 A - Distinct Prime Factors	7 / 7
Modulo Sort	5 / 5
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt	10 / 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 2 P4 - Magic Barrier	5 / 5
OTHS Coding Competition 3 (Mock CCC) S1 - The 5th Laboratory	5 / 5
OTHS Coding Competition 3 (Mock CCC) S2 - Together Forever	7 / 7
OTHS Coding Competition 3 (Mock CCC) S3 - Domain Expansion	10 / 10
OTHS Coding Competition 4 P1 - Square Root Decomposition	3 / 3
OTHS Coding Competition 4 P2 - Furina's Rounding	5 / 5
OTHS Coding Competition 4 P3 - Photo	5 / 5
OTHS Coding Competition 4 P4 - Mathemagical Experiment	10 / 10
OTHS Coding Competition 4 P5 - Teleport	12 / 12
Path Finder	10 / 10
Path Finder 2: Electric Boogaloo	15 / 15
PIB '20 P2 - 2 + 2 = 5	5 / 5
Pick It	15 / 15
Postfix Notation	7 / 7
Prime Factorization	5 / 5
Primes	3 / 3
VMSS Pre-Windsor P1 - Java	3 / 3
VMSS Pre-Windsor P2 - Get Off My Lawn	3 / 3
VMSS Pre-Windsor P3 - Composite Bag	3 / 3
VMSS Pre-Windsor P4 - Character Analysis	5 / 5
VMSS Pre-Windsor P5 - Math Depression	5 / 5
VMSS Pre-Windsor P6 - You Can't Write Science Fiction Better Than This	7 / 7
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
RGPC '18 P3 - Chocolate Day	10 / 10
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma	15 / 15
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
The Cosmic Era P1 - Ship	3 / 3
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Creating a Sequence	3 / 3
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
Python Infinite Loop	7 / 7
Sleigh Ride	10 / 10
Bubble Sort	7 / 7
Coding Spree	7 / 7
STNBD P2 - Claire Elstein	12 / 12
Sudoku Challenge	7 / 7
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
Tree Tasks	10 / 10
Triple-Ended Queue	7 / 7
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
Intertwined Strings	7 / 7
UTS Open '18 P1 - Love Triangle	3 / 3
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P3 - Restaurants	7 / 7
UTS Open '18 P4 - Ianine's Lil Lab	10 / 10
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
UTS Open '24 P3 - LXghts Out	10 / 10
Valentine's Day '19 J3 - Love!	7 / 7
War	10 / 10
XOR	7 / 7

Problem	Score
VMSS '15 #1 - Senpai, Help Me	5 / 5
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '15 #2 Bronze - Recruits!	3 / 3
VM7WC '15 #2 Silver - 4 Nations, 1 Secret	10 / 10
VM7WC '15 #2 Gold - Uniting the Earth Empire	12 / 12
VM7WC '15 #3 Silver - Test Scores	5 / 5
VM7WC '15 #4 Gold - Chain Rule	10 / 10
VM7WC '16 #1 Bronze - A New Prime Factorization	5 / 5
VM7WC '16 #1 Silver - Project Feng: Multiple Statements	5 / 5
VM7WC '16 #2 Gold - GGG	15 / 15
VM7WC '16 #3 Bronze - Shahir-in-a-Box	3 / 3
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

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 '17 Contest 1 J4 - Canuck Detection	5 / 5
WC '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 2 S2 - Plutonium	12 / 12
WC '18 Contest 3 J4 - Leveling Up	7 / 7
WC '18 Contest 4 S1 - World of StarCraft	10 / 10
WC '95 P5 - Factorial Power	5 / 5
WC '96 P6 - Bases Multiplication	5 / 5
WC '97 P4 - Typing	5 / 5

Problem	Score
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 7 P1 - Page Turning	5 / 5
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5