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User ZW

  • About
  • Problems

98 problems solved
Rank by points: #3340
Total points: 194

View submissions

Points breakdown

15 / 15
AC | C++20
CCC '19 S5 - Triangle: The Data Structure
on Jan. 30, 2025, 3:31 p.m.
20pp
weighted 100% (20pp)
50 / 50
AC | PY3
NOI '99 P5 - Optimally Connected Subset
on Aug. 21, 2025, 6:56 p.m.
15pp
weighted 95% (14pp)
9 / 15
RTE | C++20
CCC '18 S5 - Maximum Strategic Savings
on Jan. 27, 2025, 4:43 p.m.
12pp
weighted 90% (11pp)
15 / 15
AC | PY3
CCC '13 S3 - Chances of Winning
on Jan. 22, 2025, 4:43 p.m.
10pp
weighted 86% (8.6pp)
15 / 30
TLE | PY3
CCC '19 J5 - Rule of Three
on Dec. 29, 2024, 4:35 p.m.
10pp
weighted 81% (8.1pp)
15 / 15
AC | C++20
CCC '20 S2 - Escape Room
on Dec. 28, 2024, 2:20 p.m.
10pp
weighted 77% (7.7pp)
15 / 15
AC | PY3
CCC '22 J5 - Square Pool
on Dec. 2, 2024, 3:02 p.m.
10pp
weighted 74% (7.4pp)
13 / 15
TLE | PY3
CCC '15 J5 - π-day
on Nov. 10, 2020, 2:59 a.m.
9pp
weighted 70% (6.1pp)
15 / 15
AC | PYPY3
CCC '25 J5 - Connecting Territories
on Aug. 22, 2025, 8:57 p.m.
7pp
weighted 66% (4.6pp)
15 / 15
AC | PY3
Mock CCC '14 J4 - Selecting Shifts
on Aug. 21, 2025, 11:25 p.m.
7pp
weighted 63% (4.4pp)
Load more...

CCC (375.001 points)

Problem Score
CCC '00 J1 - Calendar 5 / 5
CCC '00 J2 - 9966 3 / 3
CCC '02 J2 - AmeriCanadian 3 / 3
CCC '10 J1 - What is n, Daddy? 3 / 3
CCC '10 J2 - Up and Down 5 / 5
CCC '10 J3 - Punchy 5 / 5
CCC '11 J1 - Which Alien? 3 / 3
CCC '11 J2 - Who Has Seen The Wind 5 / 5
CCC '11 J3 - Sumac Sequences 5 / 5
CCC '11 J4 - Boring Business 7 / 7
CCC '11 S1 - English or French? 5 / 5
CCC '12 J1 - Speed fines are not fine! 3 / 3
CCC '12 J2 - Sounds fishy! 3 / 3
CCC '12 J3 - Icon Scaling 3 / 3
CCC '12 J4 - Big Bang Secrets 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 S3 - Chances of Winning 10 / 10
CCC '14 J1 - Triangle Times 3 / 3
CCC '14 J2 - Vote Count 3 / 3
CCC '14 J3 - Double Dice 3 / 3
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 1.667 / 5
CCC '15 J5 - π-day 8.667 / 10
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 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 '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 S5 - Maximum Strategic Savings 12 / 20
CCC '19 J1 - Winning Score 3 / 3
CCC '19 J2 - Time to Decompress 3 / 3
CCC '19 J3 - Cold Compress 5 / 5
CCC '19 J5 - Rule of Three 10 / 20
CCC '19 S1 - Flipper 3 / 3
CCC '19 S5 - Triangle: The Data Structure 20 / 20
CCC '20 J1 - Dog Treats 3 / 3
CCC '20 J2 - Epidemiology 3 / 3
CCC '20 J3 - Art 3 / 3
CCC '20 J4 - Cyclic Shifts 5 / 5
CCC '20 S2 - Escape Room 10 / 10
CCC '21 J1 - Boiling Water 3 / 3
CCC '21 J2 - Silent Auction 3 / 3
CCC '21 J3 - Secret Instructions 5 / 5
CCC '21 J4 - Arranging Books 7 / 7
CCC '21 S2 - Modern Art 7 / 7
CCC '22 J1 - Cupcake Party 3 / 3
CCC '22 J2 - Fergusonball Ratings 3 / 3
CCC '22 J3 - Harp Tuning 5 / 5
CCC '22 J5 - Square Pool 10 / 10
CCC '22 S2 - Good Groups 5 / 5
CCC '23 J1 - Deliv-e-droid 3 / 3
CCC '23 J2 - Chili Peppers 3 / 3
CCC '23 J3 - Special Event 5 / 5
CCC '23 J5 - CCC Word Hunt 4 / 10
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 4.667 / 10
CCC '25 J4 - Sunny Days 5 / 5
CCC '25 J5 - Connecting Territories 7 / 7

China NOI (15 points)

Problem Score
NOI '99 P5 - Optimally Connected Subset 15 / 15

DMOPC (5 points)

Problem Score
DMOPC '14 Contest 7 P2 - Tides 5 / 5

Mock CCC (72 points)

Problem Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem 3 / 3
Mock CCC '20 Contest 1 J2 - A Simplex Problem 3 / 3
Mock CCC '20 Contest 1 J3 - A Geometry Problem 3 / 3
Mock CCC '22 Contest 1 J1 - Square Root Decomposition 3 / 3
Mock CCC '22 Contest 1 J2 - Biking and Hiking 3 / 3
Mock CCC '22 Contest 1 J3 - String Crossing Maximization 7 / 7
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 '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 J4/S1 - Magical Magnetic Marbles 5 / 5
Mock CCC '14 J1 - Love Overdose 3 / 3
Mock CCC '14 J4 - Selecting Shifts 7 / 7
Mock CCC '15 J1 - 416 3 / 3
Mock CCC '15 J2 - Lowest Exam Mark 5 / 5
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort 5 / 5

Uncategorized (15 points)

Problem Score
Appleby Contest '19 P3 - A Recursion Problem 5 / 5
Hello, World! 3 / 3
Python Infinite Loop 7 / 7

VM7WC (5 points)

Problem Score
VM7WC '16 #3 Silver - Can Shahir even get there?! 5 / 5

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