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Hot problems
WC '01 P3 - Back to the Future
DWITE '10 R3 #3 - Dominos Tiling
A Math Contest P5 - Good Arrays
GFSSOC '15 Winter S1 - OR-deal
Counting Subsequences
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun
DMOPC '21 Contest 8 P1 - Peanut Planning
Problem
Category
Points ▴
AC %
Users
DMOPC '14 Contest 1 P2 - Tiles
DMOPC
3p
54.5%
1275
DMOPC '14 Contest 1 P3 - New Students
DMOPC
3p
37.5%
877
DMOPC '14 Contest 2 P1 - Logging Log
DMOPC
3p
37.6%
780
DMOPC '14 Contest 3 P1 - Not Enough Users!
DMOPC
3p
48.6%
860
DMOPC '14 Exam Time P1 - French Homework
DMOPC
3
49.5%
472
DMOPC '14 Contest 4 P1 - New Key
DMOPC
3p
32.1%
209
DMOPC '14 Contest 4 P2 - Redirection
DMOPC
3p
44.3%
184
DMOPC '14 Contest 5 P1 - Core Drill
DMOPC
3p
58.5%
5019
DMOPC '14 Contest 5 P2 - Longest Tunnel
DMOPC
3p
64.9%
754
DMOPC '14 Contest 6 P1 - Finding Bessarion
DMOPC
3
23.0%
367
DMOPC '14 Contest 7 P1 - Flare
DMOPC
3p
55.7%
546
DMOPC '15 Contest 1 P1 - Itami and Manga
DMOPC
3p
48.3%
681
DMOPC '15 Contest 2 P2 - Admin War
DMOPC
3p
57.1%
485
DMOPC '15 Contest 2 P1 - Grumpy Dwarf
DMOPC
3p
21.7%
384
DMOPC '15 Contest 4 P1 - Dictionary
DMOPC
3p
49.4%
321
DMOPC '15 Contest 3 P1 - Quality Scenes
DMOPC
3p
17.6%
466
DMOPC '15 Contest 5 P1 - Gel Bananas
DMOPC
3p
14.7%
225
DMOPC '15 Contest 7 P2 - Not a Wall of Text
DMOPC
3p
50.0%
5701
DMOPC '16 Contest 1 P0 - C.C. and Cheese-kun
DMOPC
3p
37.7%
2818
DMOPC '16 Contest 1 P1 - A New Chapter
DMOPC
3p
42.4%
351
DMOPC '16 Contest 2 P1 - Seed Strategy
DMOPC
3
45.6%
335
DMOPC '16 Contest 3 P1 - Leading Basic Shots
DMOPC
3
54.5%
422
DMOPC '16 Contest 3 P0 - Negative Feedback
DMOPC
3
63.4%
507
DMOPC '17 Contest 2 P1 - 0-1 Knapsack
DMOPC
3
28.9%
375
DMOPC '17 Contest 2 P0 - Secrets
DMOPC
3
33.3%
433
DMOPC '17 Contest 3 P0 - 2-Satisfiability
DMOPC
3
50.2%
325
DMOPC '17 Contest 3 P1 - An Early Christmas Present
DMOPC
3p
62.4%
449
DMOPC '17 Contest 4 P0 - Catch
DMOPC
3
24.9%
197
DMOPC '17 Contest 5 P1 - IOI 101
DMOPC
3p
49.4%
477
DMOPC '17 Contest 5 P0 - Mimi and Pizza
DMOPC
3
39.1%
314
DMOPC '18 Contest 1 P0 - Sorting
DMOPC
3
46.7%
561
DMOPC '18 Contest 2 P0 - Mimi and Video Games
DMOPC
3
46.7%
422
DMOPC '18 Contest 2 P1 - Pumpkin Patches
DMOPC
3
57.8%
437
DMOPC '18 Contest 3 P0 - Bob and ICS Class
DMOPC
3p
47.1%
210
DMOPC '18 Contest 4 P1 - Dr. Henri and Differential Photometry
DMOPC
3p
37.1%
218
DMOPC '18 Contest 4 P0 - Dr. Henri and Seeing Stars
DMOPC
3p
37.3%
247
DMOPC '18 Contest 5 P0 - A Digital Art Problem
DMOPC
3
34.5%
215
DMOPC '18 Contest 5 P1 - A Painting Problem
DMOPC
3p
35.1%
189
DMOPC '18 Contest 6 P1 - DNA or RNA?
DMOPC
3
24.5%
373
DMOPC '18 Contest 6 P0 - SQL Queries
DMOPC
3
28.4%
166
DMOPC '19 Contest 1 P0 - Range Finding
DMOPC
3
61.0%
362
DMOPC '19 Contest 2 P0 - Roller Coaster
DMOPC
3
61.8%
312
DMOPC '19 Contest 3 P0 - What is it?
DMOPC
3
22.6%
213
DMOPC '19 Contest 4 P0 - Yikes
DMOPC
3p
48.3%
425
DMOPC '19 Contest 5 P0 - Concurrent Competitor Counting
DMOPC
3
68.2%
395
DMOPC '19 Contest 6 P0 - Trivial Math
DMOPC
3
64.8%
586
DMOPC '19 Contest 7 P0 - Contest Feedback
DMOPC
3
56.2%
364
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed
DMOPC
3
68.9%
525
DMOPC '20 Contest 5 P1 - Home Row
DMOPC
3
34.9%
447
DMOPC '21 Contest 6 P1 - Bigger Big Integer
DMOPC
3p
48.8%
501
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