User andrew_cao

Points breakdown

8 / 8

AC | PY3

VMSS Pre-Windsor P7 - Going Back to the Definitions

on April 22, 2026, 12:51 a.m.

7pp

weighted 100% (7.0pp)

40 / 40

AC | PY3

Back From Summer '17 P2: Crayola Lightsaber

on April 22, 2026, 12:21 a.m.

7pp

weighted 95% (6.6pp)

5 / 5

AC | PY3

Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!

on April 29, 2026, 1:31 a.m.

5pp

weighted 90% (4.5pp)

100 / 100

AC | PY3

The Cosmic Era P2 - Uneven Sand

on April 29, 2026, 12:43 a.m.

5pp

weighted 86% (4.3pp)

13 / 13

AC | PY3

COCI '09 Contest 3 #3 Sort

on April 21, 2026, 11:58 p.m.

5pp

weighted 81% (4.1pp)

100 / 100

AC | PY3

Adding Reversed Numbers

on April 21, 2026, 11:45 p.m.

5pp

weighted 77% (3.9pp)

5 / 5

AC | PY3

Modulo Sort

on April 21, 2026, 11:37 p.m.

5pp

weighted 74% (3.7pp)

100 / 100

AC | PY3

Another Sorting

on April 15, 2026, 12:38 a.m.

5pp

weighted 70% (3.5pp)

2 / 2

AC | PY3

Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos

on April 1, 2026, 12:32 a.m.

5pp

weighted 66% (3.3pp)

12 / 12

AC | PY3

COCI '08 Contest 1 #2 Ptice

on March 10, 2026, 11:29 p.m.

5pp

weighted 63% (3.2pp)

Problem	Score
CCC '01 S1 - Keeping Score	5 / 5
CCC '04 J1 - Squares	3 / 3
CCC '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '10 J2 - Up and Down	4 / 5
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '13 S1 - From 1987 to 2013	5 / 5
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S2 - Assigning Partners	5 / 5
CCC '15 J2 - Happy or Sad	3 / 3
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 J4 - Arrival Time	5 / 5
CCC '16 S1 - Ragaman	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '17 J3 - Exactly Electrical	0.600 / 3
CCC '18 J1 - Telemarketer or not?	3 / 3
CCC '18 J2 - Occupy parking	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 '22 J2 - Fergusonball Ratings	3 / 3
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 '25 J2 - Donut Shop	3 / 3
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

Problem	Score
COCI '06 Contest 2 #1 R2	3 / 3
COCI '06 Contest 5 #1 Trik	3 / 3
COCI '07 Contest 2 #1 Bijele	3 / 3
COCI '08 Contest 1 #2 Ptice	5 / 5
COCI '09 Contest 3 #3 Sort	5 / 5
COCI '09 Contest 4 #1 Autori	3 / 3
COCI '10 Contest 4 #1 Avion	3 / 3

Problem	Score
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '18 Contest 6 P1 - DNA or RNA?	3 / 3
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5

Problem	Score
Back From Summer '17 P1: Pithy Pastimes	3 / 3
Back From Summer '17 P2: Crayola Lightsaber	7 / 7

User andrew_cao

Points breakdown

CCC (100.600 points)

COCI (25 points)

DMOPC (14 points)

ECOO (5 points)

EGOI (2.940 points)

SAC Coding Challenge (5 points)

Seasonal (10 points)

Uncategorized (49 points)

Problem	Score
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!	5 / 5
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos	5 / 5
Another Sorting	5 / 5
PEG Test '14 - Water	3 / 3
Adding Reversed Numbers	5 / 5
Boolean	3 / 3
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Modulo Sort	5 / 5
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
The Cosmic Era P2 - Uneven Sand	5 / 5