User jianfeng

Points breakdown

10 / 10

AC | PY3

COCI '16 Contest 2 #3 Nizin

on Nov. 19, 2025, 10:12 p.m.

10pp

weighted 100% (10pp)

100 / 100

AC | PY3

New Year's '17 P1 - Mr. N and Presents

on Dec. 7, 2025, 6:30 p.m.

7pp

weighted 95% (6.6pp)

100 / 100

AC | PY3

The Cosmic Era P3 - Battle Positions

on Dec. 2, 2025, 10:09 p.m.

7pp

weighted 90% (6.3pp)

16 / 16

AC | PY3

CCC '14 S3 - The Geneva Confection

on Nov. 29, 2025, 5:28 p.m.

7pp

weighted 86% (6.0pp)

100 / 100

AC | PY3

UTS Open '18 P3 - Restaurants

on Nov. 12, 2025, 11:54 p.m.

7pp

weighted 81% (5.7pp)

3 / 3

AC | PY3

Postfix Notation

on Nov. 10, 2025, 11:26 p.m.

7pp

weighted 77% (5.4pp)

44 / 44

AC | PYPY3

ICPC PACNW 2016 C - Cameras

on Nov. 9, 2025, 5:52 p.m.

7pp

weighted 74% (5.1pp)

100 / 100

AC | PY3

Appleby Contest '19 P4 - Rectangles

on Nov. 3, 2025, 11:18 p.m.

7pp

weighted 70% (4.9pp)

40 / 40

AC | PY3

Back From Summer '17 P2: Crayola Lightsaber

on Oct. 28, 2025, 2:37 a.m.

7pp

weighted 66% (4.6pp)

240 / 240

AC | PY3

Count The Triplets

on Oct. 7, 2025, 1:25 a.m.

7pp

weighted 63% (4.4pp)

Problem	Score
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '03 S2 - Poetry	5 / 5
CCC '04 S1 - Fix	5 / 5
CCC '05 S1 - Snow Calls	5 / 5
CCC '06 J3 - Cell-Phone Messaging	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J4 - Boring Business	7 / 7
CCC '12 J4 - Big Bang Secrets	3 / 3
CCC '13 J2 - Rotating letters	3 / 3
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 '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 '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 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 '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
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 S2 - Good Groups	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	7 / 7
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S2 - Heavy-Light Composition	5 / 5
CCC '25 J3 - Product Codes	5 / 5
CCC '25 J4 - Sunny Days	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 J3 - Queens can't attack me!	5 / 5

Problem	Score
COCI '06 Contest 6 #3 Maraton	5 / 5
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '13 Contest 5 #3 Eksplozjia	5 / 10
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '18 Contest 5 #2 Jarvis	5 / 5
COCI '20 Contest 6 #1 Bold	5 / 5

Problem	Score
DMOPC '14 Contest 2 P4 - Deforestation	2.500 / 5
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '17 Contest 2 P2 - Balance	5 / 5
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5

Problem	Score
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '10 R5 #2 - Safe from Rooks	5 / 5

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

User jianfeng

Points breakdown

AAC (5 points)

BlueBook (3 points)

CCC (261 points)

Classics (3 points)

COCI (40 points)

DMOPC (44.500 points)

DWITE (15 points)

ECOO (10 points)

ICPC (7 points)

Mock CCC (55 points)

SAC Coding Challenge (17 points)

Seasonal (14 points)

TLE (5 points)

Uncategorized (65 points)

Woburn Challenge (5 points)

Problem	Score
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '22 Contest 1 J3 - String Crossing Maximization	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 '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 '18 Contest 1 J2 - A Substring Problem	3 / 3
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

Problem	Score
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 4 Junior P1 - Obligatory DeMello Problem	3 / 3
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem	3 / 3
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5

Problem	Score
Appleby Contest '19 P4 - Rectangles	7 / 7
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Another Sorting	5 / 5
Lexicographically Least Substring	5 / 5
BPC 1 S1 - Homework Questions	5 / 5
Cheerio Contest 1 J3 - Festival	5 / 5
Count The Triplets	7 / 7
Postfix Notation	7 / 7
Singularity Cup P1 - Maximum Permutation Product	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
UTS Open '18 P3 - Restaurants	7 / 7