User notlingfeng

Points breakdown

100 / 100

AC | PYPY3

HCI '16 - Cheapest Operation Ever

on July 5, 2025, 9:21 p.m.

20pp

weighted 100% (20pp)

15 / 15

AC | PYPY3

CCC '23 S4 - Minimum Cost Roads

on Oct. 5, 2025, 9:33 p.m.

15pp

weighted 95% (14pp)

100 / 100

AC | PY3

Yet Another Contest 3 P4 - Rumour

on May 20, 2025, 4:39 p.m.

15pp

weighted 90% (14pp)

100 / 100

AC | PY3

CEOI '18 P2 - Global Warming

on May 3, 2025, 2:30 a.m.

15pp

weighted 86% (13pp)

100 / 100

AC | PYPY3

VM7WC '16 #2 Gold - GGG

on April 21, 2024, 10:22 p.m.

15pp

weighted 81% (12pp)

100 / 100

AC | PY3

A Sum Problem

on Oct. 1, 2025, 1:11 p.m.

12pp

weighted 77% (9.3pp)

15 / 15

AC | PY3

CCC '25 S4 - Floor is Lava

on Sept. 21, 2025, 9:18 p.m.

12pp

weighted 74% (8.8pp)

100 / 100

AC | PYPY3

Back to School '24 P3 - Tournament

on Sept. 19, 2025, 12:19 a.m.

12pp

weighted 70% (8.4pp)

14 / 14

AC | PY3

WC '18 Finals S2 - Top Billing

on Aug. 14, 2025, 12:05 a.m.

12pp

weighted 66% (8.0pp)

100 / 100

AC | C++17

Educational DP Contest AtCoder S - Digit Sum

on Aug. 1, 2025, 5:16 p.m.

12pp

weighted 63% (7.6pp)

Problem	Score
Baltic OI '03 P4 - The Gangs	12 / 12
Baltic OI '07 P3 - Sound	10 / 10

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	5.800 / 7
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S2 - Spirals	5 / 5
CCC '01 S3 - Strategic Bombing	7 / 7
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 S3 - Floor Plan	7 / 7
CCC '04 S5 - Super Plumber	8 / 10
CCC '05 J4 - Cross Spiral	7 / 7
CCC '06 S1 - Maternity	5 / 5
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
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 S4 - Waterpark	7 / 7
CCC '08 J2 - Do the Shuffle	3 / 3
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	1.700 / 10
CCC '10 J5 - Knight Hop	7 / 7
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
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 S2 - Bridge Transport	5 / 5
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	1.900 / 7
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 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
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 '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 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	3.300 / 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 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S3 - Arithmetic Square	3 / 12
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	4.200 / 12
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 '22 J2 - Fergusonball Ratings	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 J5 - Square Pool	5.333 / 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 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 '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S4 - Minimum Cost Roads	15 / 15
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	6.067 / 7
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	12 / 12
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '97 S1 - Sentences	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '98 S1 - Censor	5 / 5
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 S2 - Matching Problem	2.500 / 10

Problem	Score
CCO '07 P2 - Snowflakes	10 / 10
CCO '10 P1 - Barking Dogs!	10 / 10
CCO '14 P1 - Troyangles	10 / 10
CCO '14 P4 - Where's That Fuel?	7 / 7
CCO '15 P4 - Cars on Ice	8.400 / 10
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '23 P1 - Binaria	12 / 12

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

Problem	Score
Sorting	3 / 3
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

User notlingfeng

Points breakdown

AAC (7 points)

ACC (7 points)

Baltic OI (22 points)

CCC (624.133 points)

CCO (64.400 points)

CEOI (22 points)

CIW (19 points)

Classics (30 points)

COCI (149.900 points)

Data Structure Tests (10 points)

DMOPC (84.100 points)

DWITE (27 points)

ECOO (8.250 points)

EGOI (4.480 points)

GFSSOC (5 points)

Google Code Jam (10 points)

ICPC (14 points)

IOI (23 points)

JOI (10 points)

Mock CCC (74.133 points)

Olympiads School (19 points)

SAC Coding Challenge (42 points)

Seasonal (42.100 points)

TLE (15 points)

TSOC (7 points)

Uncategorized (472.020 points)

VM7WC (35 points)

Woburn Challenge (27 points)

YAC (41 points)

Problem	Score
CEOI '18 P2 - Global Warming	15 / 15
CEOI '19 Practice P1 - Count Squares	7 / 7

Problem	Score
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '10 Contest 2 #2 Napor	5 / 5
COCI '10 Contest 7 #5 Kuglice	12 / 12
COCI '12 Contest 1 #4 Ljubomora	7 / 7
COCI '12 Contest 3 #3 Malcolm	7 / 7
COCI '12 Contest 5 #4 Hipercijevi	10 / 10
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 2 #4 Putnik	12 / 12
COCI '14 Contest 2 #3 Studentsko	2.400 / 12
COCI '14 Contest 5 #3 Traktor	7 / 7
COCI '14 Contest 6 #4 Kratki	10 / 10
COCI '15 Contest 2 #5 Vudu	4.500 / 15
COCI '16 Contest 2 #4 Prosječni	2 / 10
COCI '16 Contest 3 #2 Pohlepko	7 / 7
COCI '16 Contest 5 #4 Ronald	12 / 12
COCI '16 Contest 7 #3 Igra	6 / 10
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '18 Contest 1 #3 Cipele	10 / 10
COCI '20 Contest 6 #1 Bold	5 / 5
COCI '21 Contest 5 #1 Kemija	7 / 7
COCI '22 Contest 4 #1 7Krokods	5 / 5

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 2 P3 - Queries	7 / 7
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
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 P3 - Grade 11 Math	2 / 10
DMOPC '20 Contest 4 P3 - Roving Roombas	1.800 / 12
DMOPC '20 Contest 6 P1 - Tug of War	2.100 / 7
DMOPC '21 Contest 10 P3 - Peculiar Reflections	3.600 / 12
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 8 P1 - Peanut Planning	2.100 / 7
DMOPC '22 Contest 4 P2 - Fake Painting	10 / 10
DMOPC '23 Contest 1 P1 - Peak Grid	1.500 / 5

Problem	Score
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '08 R1 #4 - What is this Roman Numeral	7 / 7
DWITE '10 R3 #3 - Dominos Tiling	10 / 10
DWITE '10 R5 #2 - Safe from Rooks	5 / 5

Problem	Score
ECOO '19 R1 P1 - Free Shirts	3.250 / 5
ECOO '19 R2 P1 - Email	5 / 5

Problem	Score
EGOI '21 P1 - Zeros	1.540 / 7
EGOI '23 P1 - Inflation	2.940 / 7

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

Problem	Score
IOI '00 P1 - Palindrome	3 / 10
IOI '14 Practice Task 1 - Square	10 / 10
IOI '14 Practice Task 3 - Tile	10 / 10

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 J2 - A Simplex Problem	3 / 3
Mock CCC '20 Contest 1 J4 - A Binary Problem	5 / 5
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 1 J4 - Snowball Fight	1.333 / 5
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
Mock CCC '23 Contest 1 J3 - Pairing Gifts	5 / 5
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '24 Contest 1 S2 - Owen the Toucan	1.400 / 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 2 J3/S1 - An Array Problem	1.400 / 7
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 '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3

Problem	Score
SAC '22 Code Challenge 1 P3 - That Pool	7 / 7
SAC '22 Code Challenge 3 P1 - Hair Hazards	3 / 3
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 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 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
CCCJQR P2	3 / 3
Max's Anger Contest Series 2 P2 - Password Anger	5 / 5
Max's Anger Contest Series 2 P3 - Array Anger	2.100 / 7
MEC '16 P3 - Getting Good at Programming	4 / 10
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7
New Year's '18 P4 - The Polar Express	7 / 7

Problem	Score
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '17 Contest 8 P3 - Curious Numbers	10 / 10

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	10 / 10
Triple Fat Ladies	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
Appleby Contest '19 P4 - Rectangles	7 / 7
Appleby Contest '19 P5 - Matrix Operation	0.500 / 10
A Digit Problem	12 / 12
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 P5 - Hacking Grades	7 / 7
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Another Sorting	5 / 5
String Finding	5 / 5
BPC 1 S1 - Homework Questions	5 / 5
Back to School '24 P1 - Kicking	5 / 5
Back to School '24 P3 - Tournament	12 / 12
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 S2 - School Expansion	7 / 7
Cheerio Contest 1 S4 - Mystery Boxes	10 / 10
CPC '19 Contest 1 P2 - Luggage	7 / 7
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
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 J - Sushi	12 / 12
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder S - Digit Sum	12 / 12
HCI '16 - Oversleep	7 / 7
HCI '16 - Cheapest Operation Ever	20 / 20
HCI '16 - Xorpow	10 / 10
Hello, World!	3 / 3
Count The Triplets	7 / 7
A Math Contest P5 - Good Arrays	0.700 / 7
Modulo Sort	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 2 P3 - Tally Clicker	5 / 5
OTHS Coding Competition 2 P4 - Magic Barrier	5 / 5
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
Path Finder	10 / 10
Postfix Notation	7 / 7
Raytracing	10 / 10
Singularity Cup P1 - Maximum Permutation Product	5 / 5
SMAC 08/09 (Oct) #3 - Jumpscotch	10.800 / 12
Coding Spree	7 / 7
Sudoku Challenge	6.020 / 7
THICC '17 P5 - Smarties	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P3 - Cheeky Checkers	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
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

Problem	Score
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '16 #2 Gold - GGG	15 / 15
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #4 Silver - Tests or Test Cases?	5 / 5

Problem	Score
WC '01 P3 - Back to the Future	5 / 5
WC '17 Contest 4 S2 - Strange Travels	10 / 10
WC '18 Finals S2 - Top Billing	12 / 12

Problem	Score
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 3 P4 - Rumour	15 / 15
Yet Another Contest 5 P2 - Big Score	10 / 10
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 8 P1 - Permutation Sorting	1 / 5
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5