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Hot problems
COCI '08 Contest 3 #6 Najkraci
WC '01 P3 - Back to the Future
CCC '16 S4 - Combining Riceballs
GFSSOC '15 Winter S1 - OR-deal
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun
ECOO '20 P2 - Online Shopping
CCC '24 J4 - Troublesome Keys
Problem
Category
Points ▴
AC %
Users
DMOPC '13 Contest 3 P3 - Crossing Field
DMOPC
7p
21.8%
476
DMOPC '13 Contest 3 P2 - Phone Microwave
DMOPC
7p
27.2%
194
DMOPC '14 Contest 3 P3 - Not Enough Personnel!
DMOPC
7p
31.4%
387
DMOPC '14 Contest 6 P3 - Streetcars
DMOPC
7p
13.3%
65
DMOPC '14 Contest 7 P4 - Sand Triangle
DMOPC
7p
37.4%
220
DMOPC '15 Contest 1 P3 - Itami and Cipher
DMOPC
7p
28.2%
190
DMOPC '15 Contest 2 P3 - Origami
DMOPC
7p
16.3%
186
DMOPC '15 Contest 4 P3 - Lethal
DMOPC
7p
29.4%
134
DMOPC '15 Contest 3 P3 - Dimethylbenzene
DMOPC
7p
30.2%
307
DMOPC '15 Contest 5 P3 - All Your Base
DMOPC
7p
31.7%
113
DMOPC '15 Contest 6 P3 - Harvest
DMOPC
7p
14.1%
314
DMOPC '15 Contest 6 P6 - Graf Zeppelin
DMOPC
7p
13.9%
71
DMOPC '15 Contest 7 P1 - Kemonomimi Competition
DMOPC
7p
21.7%
119
DMOPC '15 Contest 7 P3 - Harbourmaster
DMOPC
7p
18.9%
80
DMOPC '16 Contest 1 P2 - Lines
DMOPC
7p
9.8%
71
DMOPC '16 Contest 1 P3 - Shoe Shopping
DMOPC
7
22.6%
425
DMOPC '16 Contest 2 P4 - Zeros
DMOPC
7p
12.4%
175
DMOPC '16 Contest 2 P2 - Ebola Outbreak
DMOPC
7p
20.5%
433
DMOPC '16 Contest 2 P3 - Queries
DMOPC
7
49.8%
157
DMOPC '16 Contest 4 P2 - Systests
DMOPC
7p
18.6%
386
DMOPC '17 Contest 1 P2 - Sharing Crayons
DMOPC
7p
18.2%
239
DMOPC '17 Contest 1 P3 - Hitchhiking Fun
DMOPC
7p
23.1%
335
DMOPC '17 Contest 3 P2 - Towers of Hanoi
DMOPC
7p
18.2%
82
DMOPC '17 Contest 4 P4 - Cops and Robbers
DMOPC
7p
20.9%
208
DMOPC '17 Contest 4 P2 - A Heavy Light Decomposition Problem
DMOPC
7p
12.3%
119
DMOPC '17 Contest 4 P3 - Third Place
DMOPC
7p
16.8%
140
DMOPC '17 Contest 5 P3 - Mimi and Primes
DMOPC
7p
13.5%
422
DMOPC '18 Contest 2 P4 - Damage Output
DMOPC
7p
22.0%
423
DMOPC '18 Contest 3 P2 - Bob and French Class
DMOPC
7p
37.7%
404
DMOPC '18 Contest 4 P2 - Dr. Henri and Responsibility
DMOPC
7p
20.8%
385
DMOPC '18 Contest 6 P2 - Enantiomers
DMOPC
7
16.9%
55
DMOPC '18 Contest 5 P2 - A Photography Problem
DMOPC
7
14.1%
127
DMOPC '18 Contest 5 P3 - A Familiar Problem
DMOPC
7p
18.3%
425
DMOPC '19 Contest 1 P2 - Good Writing
DMOPC
7
22.3%
214
DMOPC '19 Contest 2 P2 - Squares
DMOPC
7
48.9%
410
DMOPC '19 Contest 3 P2 - Generating Names
DMOPC
7p
27.0%
187
DMOPC '19 Contest 5 P4 - Cafeteria Confrontation Conundrum
DMOPC
7p
40.3%
168
DMOPC '19 Contest 7 P1 - Hydrocarbons
DMOPC
7
45.1%
264
DMOPC '19 Contest 6 P1 - Grade 9 Math
DMOPC
7
10.5%
226
DMOPC '19 Contest 6 P2 - Grade 10 Math
DMOPC
7
34.8%
336
DMOPC '20 Contest 1 P3 - Victor's Algorithm
DMOPC
7p
36.2%
293
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks
DMOPC
7p
13.1%
160
DMOPC '20 Contest 5 P2 - On The Clock
DMOPC
7p
18.2%
247
DMOPC '20 Contest 4 P2 - Beautiful Grids
DMOPC
7p
17.3%
153
DMOPC '20 Contest 6 P1 - Tug of War
DMOPC
7p
14.8%
175
DMOPC '20 Contest 6 P2 - Interpretive Art
DMOPC
7p
11.5%
118
DMOPC '20 Contest 7 P1 - Bob and Balance
DMOPC
7p
24.2%
183
DMOPC '21 Contest 1 P2 - Folding Clothes
DMOPC
7p
31.9%
188
DMOPC '21 Contest 2 P1 - Bosses
DMOPC
7p
18.1%
260
DMOPC '21 Contest 2 P2 - Scrambling Swaps
DMOPC
7p
23.8%
184
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