User jiahao_cao

Points breakdown

3 / 3

AC | PY3

Postfix Notation

on Oct. 30, 2025, 11:06 p.m.

7pp

weighted 100% (7.0pp)

100 / 100

AC | PY3

VM7WC '16 #1 Bronze - A New Prime Factorization

on April 13, 2026, 11:05 p.m.

5pp

weighted 95% (4.8pp)

100 / 100

AC | PY3

Prime Factorization

on April 7, 2026, 8:49 p.m.

5pp

weighted 90% (4.5pp)

100 / 100

AC | PY3

Next Prime

on April 6, 2026, 10:30 p.m.

5pp

weighted 86% (4.3pp)

15 / 15

AC | PY3

CCC '96 S3 - Pattern Generator

on April 5, 2026, 4:52 p.m.

5pp

weighted 81% (4.1pp)

30 / 30

AC | PY3

CCC '11 S1 - English or French?

on March 9, 2026, 9:40 p.m.

5pp

weighted 77% (3.9pp)

15 / 15

AC | PY3

CCC '13 S2 - Bridge Transport

on Feb. 2, 2026, 10:44 p.m.

5pp

weighted 74% (3.7pp)

15 / 15

AC | PY3

CCC '13 S1 - From 1987 to 2013

on Feb. 2, 2026, 9:46 p.m.

5pp

weighted 70% (3.5pp)

15 / 15

AC | PY3

CCC '13 J4 - Time on task

on Feb. 2, 2026, 9:39 p.m.

5pp

weighted 66% (3.3pp)

15 / 15

AC | PY3

CCC '19 J3 - Cold Compress

on Jan. 30, 2026, 1:06 a.m.

5pp

weighted 63% (3.2pp)

Problem	Score
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '12 J2 - Sounds fishy!	3 / 3
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 '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J3 - Rövarspråket	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 '17 S1 - Sum Game	3 / 3
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 '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 S1 - Crazy Fencing	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 '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 S1 - Positioning Peter's Paintings	3 / 3
CCC '26 J1 - Concert Tickets	3 / 3
CCC '26 J2 - Olympic Scores	3 / 3
CCC '26 J3 - Creative Candy Consumption	3 / 3
CCC '96 S3 - Pattern Generator	5 / 5
CCCHK '08 J3 - Phone book	5 / 5

Problem	Score
Next Prime	5 / 5
Unique Elements	3 / 3

Problem	Score
DMOPC '16 Contest 4 P2 - Systests	0.700 / 7
DMOPC '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5

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

Problem	Score
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	1 / 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	0.667 / 5

User jiahao_cao

Points breakdown

CCC (163 points)

Classics (8 points)

DMOPC (8.700 points)

DWITE (10 points)

ECOO (5 points)

Mock CCC (24.667 points)

SAC Coding Challenge (17 points)

TLE (5 points)

Uncategorized (17 points)

VM7WC (5 points)

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
Modulo Sort	5 / 5
Postfix Notation	7 / 7
Prime Factorization	5 / 5