User jiahao_cao

Points breakdown

3 / 3

AC | PY3

Postfix Notation

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

7pp

weighted 100% (7.0pp)

15 / 15

AC | PY3

CCC '25 J4 - Sunny Days

on Jan. 16, 2026, 9:55 p.m.

5pp

weighted 95% (4.8pp)

15 / 15

AC | PY3

CCC '25 J3 - Product Codes

on Jan. 16, 2026, 9:54 p.m.

5pp

weighted 90% (4.5pp)

15 / 15

AC | PY3

CCC '24 J3 - Bronze Count

on Jan. 15, 2026, 9:33 p.m.

5pp

weighted 86% (4.3pp)

5 / 5

AC | PYPY3

Modulo Sort

on Dec. 18, 2025, 10:47 p.m.

5pp

weighted 81% (4.1pp)

15 / 15

AC | PY3

Mock CCC '22 Contest 2 J3 - Figure Skating Fun

on Nov. 20, 2025, 2:42 a.m.

5pp

weighted 77% (3.9pp)

15 / 15

AC | PY3

CCC '16 J4 - Arrival Time

on Nov. 7, 2025, 2:03 p.m.

5pp

weighted 74% (3.7pp)

15 / 15

AC | PY3

CCC '16 J3 - Hidden Palindrome

on Nov. 6, 2025, 10:50 p.m.

5pp

weighted 70% (3.5pp)

15 / 15

AC | PY3

CCC '22 S2 - Good Groups

on Oct. 31, 2025, 1:56 a.m.

5pp

weighted 66% (3.3pp)

20 / 20

AC | PY3

CCC '15 J3 - Rövarspråket

on Oct. 28, 2025, 11:44 p.m.

5pp

weighted 63% (3.2pp)

Problem	Score
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

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

User jiahao_cao

Points breakdown

CCC (99 points)

Classics (3 points)

DMOPC (8 points)

DWITE (10 points)

ECOO (5 points)

Mock CCC (24.667 points)

SAC Coding Challenge (17 points)

TLE (5 points)

Uncategorized (12 points)

Problem	Score
CCC '08 J2 - Do the Shuffle	3 / 3
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 J3 - Bronze Count	5 / 5
CCC '25 J3 - Product Codes	5 / 5
CCC '25 J4 - Sunny Days	5 / 5
CCCHK '08 J3 - Phone book	5 / 5