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Hot problems
CCC '21 J3 - Secret Instructions
DMOPC '20 Contest 4 P1 - Missing Numbers
CCC '24 S2 - Heavy-Light Composition
COCI '06 Regional #3 Firefly
ECOO '19 R1 P1 - Free Shirts
ACSL '09 Practice P4 - Rank
CCC '12 S3 - Absolutely Acidic
Problem
Category
Points
AC % ▾
Users
DMOPC '22 Contest 5 P6 - Threes and Twos
DMOPC
20p
20.0%
54
DMOPC '19 Contest 4 P3 - Taking Cues
DMOPC
12p
20.0%
77
DMOPC '21 Contest 9 P4 - Ace of Diamonds
DMOPC
20p
20.0%
43
DMOPC '17 Contest 5 P2 - Mimi and Binary
DMOPC
5p
19.8%
260
DMOPC '20 Contest 4 P3 - Roving Roombas
DMOPC
12p
19.8%
181
DMOPC '16 Contest 4 P6 - Molly and Flying Drones
DMOPC
15p
19.8%
150
DMOPC '19 Contest 5 P5 - Crazy Cyclic Coincidences
DMOPC
17p
19.7%
43
DMOPC '20 Contest 6 P4 - Land of the Carrot Trees II
DMOPC
17p
19.7%
36
DMOPC '21 Contest 8 P1 - Peanut Planning
DMOPC
7p
19.7%
212
DMOPC '17 Contest 1 P6 - Land of the Carrot Trees
DMOPC
20p
19.6%
38
DMOPC '19 Contest 5 P2 - Charlie's Crazy Conquest
DMOPC
5
19.3%
444
DMOPC '22 Contest 5 P2 - Absolutely Even
DMOPC
7p
19.3%
164
DMOPC '16 Contest 4 P3 - Carnival Phantasm
DMOPC
10
19.2%
239
DMOPC '20 Contest 7 P2 - Alice and Tiles
DMOPC
10p
19.1%
57
DMOPC '14 Contest 7 P2 - Tides
DMOPC
5p
19.1%
727
DMOPC '15 Contest 3 P5 - Total Annihilation
DMOPC
15p
19.0%
98
DMOPC '16 Contest 3 P6 - Long Lost Love
DMOPC
17p
18.9%
37
DMOPC '20 Contest 6 P3 - Bread Merchant
DMOPC
10p
18.9%
116
DMOPC '17 Contest 3 P3 - N-Kat
DMOPC
10p
18.9%
84
DMOPC '15 Contest 7 P3 - Harbourmaster
DMOPC
7p
18.9%
80
DMOPC '21 Contest 10 P6 - Median Replace
DMOPC
25p
18.8%
28
DMOPC '15 Contest 1 P6 - Lelei and Contest
DMOPC
17p
18.7%
391
DMOPC '14 Contest 1 P6 - Biology Homework
DMOPC
17p
18.7%
33
DMOPC '17 Contest 5 P5 - XOR Bridges
DMOPC
15p
18.7%
52
DMOPC '18 Contest 1 P6 - Sorting
DMOPC
20p
18.7%
30
DMOPC '19 Contest 7 P2 - Dinner Party
DMOPC
10
18.6%
143
DMOPC '14 Contest 3 P4 - Not Enough Testers!
DMOPC
10p
18.6%
416
DMOPC '16 Contest 4 P2 - Systests
DMOPC
7p
18.6%
383
DMOPC '19 Contest 7 P6 - Bob Equilibrium
DMOPC
30p
18.6%
51
DMOPC '18 Contest 4 P5 - Dr. Henri and Wormholes
DMOPC
25p
18.5%
53
DMOPC '22 Contest 4 P2 - Fake Painting
DMOPC
10p
18.5%
89
DMOPC '18 Contest 2 P2 - Booster Cushions
DMOPC
5p
18.3%
188
DMOPC '18 Contest 5 P3 - A Familiar Problem
DMOPC
7p
18.3%
425
DMOPC '17 Contest 3 P2 - Towers of Hanoi
DMOPC
7p
18.2%
82
DMOPC '20 Contest 5 P2 - On The Clock
DMOPC
7p
18.2%
247
DMOPC '21 Contest 2 P1 - Bosses
DMOPC
7p
18.1%
260
DMOPC '21 Contest 3 P1 - Sums & Differences
DMOPC
7p
18.0%
205
DMOPC '17 Contest 1 P2 - Sharing Crayons
DMOPC
7p
18.0%
235
DMOPC '18 Contest 6 P4 - Tank
DMOPC
10
18.0%
126
DMOPC '19 Contest 4 P2 - Pleasant Present
DMOPC
10p
18.0%
121
DMOPC '22 Contest 5 P5 - Twos and Threes
DMOPC
25
18.0%
17
DMOPC '20 Contest 1 P4 - Victor Makes Bank
DMOPC
17p
18.0%
148
DMOPC '22 Contest 3 P2 - New Components
DMOPC
10p
17.9%
161
DMOPC '19 Contest 1 P3 - Simple Math
DMOPC
12
17.8%
41
DMOPC '15 Contest 3 P1 - Quality Scenes
DMOPC
3p
17.7%
466
DMOPC '20 Contest 5 P5 - Slacking Off Again
DMOPC
20p
17.6%
32
DMOPC '19 Contest 7 P5 - Soriya's Programming Project
DMOPC
20p
17.5%
118
DMOPC '21 Contest 9 P1 - Board Numbers
DMOPC
7p
17.5%
179
DMOPC '15 Contest 2 P6 - Manhattan Magnets
DMOPC
17p
17.4%
69
DMOPC '20 Contest 4 P2 - Beautiful Grids
DMOPC
7p
17.3%
153
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