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Hot problems
CCC '11 S1 - English or French?
CCC '04 J4 - Simple Encryption
CCC '22 J3 - Harp Tuning
CCC '22 S2 - Good Groups
CCC '17 S4 - Minimum Cost Flow
CCC '21 S1 - Crazy Fencing
DMPG '17 S2 - Anime Conventions
Problem
Category
Points
AC %
Users
DMOPC '21 Contest 10 P1 - Japaneasy
DMOPC
5
36.9%
232
DMOPC '21 Contest 10 P2 - Cycle Sort
DMOPC
7p
11.0%
134
DMOPC '21 Contest 10 P3 - Peculiar Reflections
DMOPC
12p
14.1%
72
DMOPC '21 Contest 10 P4 - Bitwise Telephone
DMOPC
17p
3.7%
29
DMOPC '21 Contest 10 P5 - Number Theory
DMOPC
20p
41.6%
115
DMOPC '21 Contest 10 P6 - Median Replace
DMOPC
25p
18.9%
27
DMOPC '21 Contest 1 P1 - Partial Game
DMOPC
5p
29.1%
410
DMOPC '21 Contest 1 P2 - Folding Clothes
DMOPC
7p
31.7%
184
DMOPC '21 Contest 1 P3 - Mystery DAG
DMOPC
12
14.6%
108
DMOPC '21 Contest 1 P4 - Uneven Forest
DMOPC
20
27.5%
47
DMOPC '21 Contest 1 P5 - Perfect Cross
DMOPC
25p
8.6%
9
DMOPC '21 Contest 1 P6 - Tree Jumping
DMOPC
25p
24.7%
11
DMOPC '21 Contest 2 P1 - Bosses
DMOPC
7p
18.0%
255
DMOPC '21 Contest 2 P2 - Scrambling Swaps
DMOPC
7p
24.0%
180
DMOPC '21 Contest 2 P3 - Divisions
DMOPC
12p
8.8%
76
DMOPC '21 Contest 2 P4 - Water Mechanics
DMOPC
15p
22.9%
54
DMOPC '21 Contest 2 P5 - Permutations
DMOPC
25p
15.4%
15
DMOPC '21 Contest 2 P6 - Strange Function
DMOPC
30p
13.2%
10
DMOPC '21 Contest 3 P1 - Sums & Differences
DMOPC
7p
18.0%
204
DMOPC '21 Contest 3 P2 - Weak Data
DMOPC
10p
11.9%
155
DMOPC '21 Contest 3 P3 - Hopping Frogs
DMOPC
15p
21.6%
52
DMOPC '21 Contest 3 P4 - Sorting Subsequences
DMOPC
20p
14.2%
32
DMOPC '21 Contest 3 P5 - Crowded Travels
DMOPC
20p
21.2%
18
DMOPC '21 Contest 3 P6 - Good Grids
DMOPC
30p
10.0%
7
DMOPC '21 Contest 4 P1 - Tree Shopping
DMOPC
7
16.0%
147
DMOPC '21 Contest 4 P2 - Festive Groups
DMOPC
7p
21.1%
165
DMOPC '21 Contest 4 P3 - Palindromic Presents
DMOPC
12p
22.1%
148
DMOPC '21 Contest 4 P4 - Christmas Graph
DMOPC
17p
31.9%
39
DMOPC '21 Contest 4 P5 - Graph Generator
DMOPC
20p
16.0%
17
DMOPC '21 Contest 4 P6 - Balanced Line
DMOPC
35p
4.5%
4
DMOPC '21 Contest 5 P1 - Permutations & Primes
DMOPC
5p
22.1%
394
DMOPC '21 Contest 5 P2 - Permutations & Primes
DMOPC
7
32.1%
302
DMOPC '21 Contest 5 P3 - Permutations & Primes
DMOPC
12p
16.0%
144
DMOPC '21 Contest 5 P4 - Permutations & Primes
DMOPC
17p
11.6%
69
DMOPC '21 Contest 5 P5 - Permutations & Primes
DMOPC
30p
11.0%
24
DMOPC '21 Contest 5 P5 - Permutations & Primes (Hard Version)
DMOPC
40p
1.5%
2
DMOPC '21 Contest 5 P6 - Permutations & Primes
DMOPC
25p
6.2%
20
DMOPC '21 Contest 6 P1 - Bigger Big Integer
DMOPC
3p
48.9%
482
DMOPC '21 Contest 6 P2 - Gacha Luck
DMOPC
7p
28.7%
286
DMOPC '21 Contest 6 P3 - An Art Problem
DMOPC
10p
22.0%
245
DMOPC '21 Contest 6 P4 - Colourful Paths
DMOPC
15p
9.0%
78
DMOPC '21 Contest 6 P5 - Contraband Game
DMOPC
25p
6.3%
11
DMOPC '21 Contest 7 P1 - Chika Grids
DMOPC
5p
25.8%
262
DMOPC '21 Contest 7 P2 - Knitting Scarves
DMOPC
7
24.1%
178
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami
DMOPC
12p
15.7%
73
DMOPC '21 Contest 7 P4 - Rocket Race
DMOPC
17p
7.2%
33
DMOPC '21 Contest 7 P5 - King's Commands
DMOPC
35p
6.5%
6
DMOPC '21 Contest 7 P6 - Rainbow Subgraphs
DMOPC
30p
14.6%
8
DMOPC '21 Contest 8 P1 - Peanut Planning
DMOPC
7p
19.6%
209
DMOPC '21 Contest 8 P2 - Kanna Market
DMOPC
10p
22.0%
132
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