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Hot problems
CCC '19 S2 - Pretty Average Primes
UACC 1 P3 - Cheeky Checkers
IOI '06 P2 - Pyramid
Lil' Jami
Factors
COCI '10 Contest 2 #2 Napor
CCC '11 S1 - English or French?
Problem
Category ▴
Points
AC %
Users
DMOPC '21 Contest 4 P3 - Palindromic Presents
DMOPC
12p
22.2%
163
DMOPC '18 Contest 2 P6 - Standing Ovation (Hard Version)
DMOPC
35
2.4%
1
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 P2 - Permutations & Primes
DMOPC
7
32.2%
313
DMOPC '21 Contest 5 P5 - Permutations & Primes
DMOPC
30p
10.9%
24
DMOPC '21 Contest 5 P3 - Permutations & Primes
DMOPC
12p
16.2%
148
DMOPC '21 Contest 5 P1 - Permutations & Primes
DMOPC
5p
22.2%
401
DMOPC '21 Contest 5 P4 - Permutations & Primes
DMOPC
17p
11.6%
70
DMOPC '21 Contest 5 P6 - Permutations & Primes
DMOPC
25p
6.2%
20
DMOPC '21 Contest 5 P5 - Permutations & Primes (Hard Version)
DMOPC
40p
1.5%
2
DMOPC '21 Contest 6 P5 - Contraband Game
DMOPC
25p
6.1%
11
DMOPC '21 Contest 6 P2 - Gacha Luck
DMOPC
7p
29.1%
295
DMOPC '21 Contest 6 P4 - Colourful Paths
DMOPC
15p
9.1%
98
DMOPC '21 Contest 7 P4 - Rocket Race
DMOPC
17p
7.1%
34
DMOPC '21 Contest 7 P5 - King's Commands
DMOPC
35p
6.3%
6
DMOPC '21 Contest 7 P2 - Knitting Scarves
DMOPC
7
24.3%
184
DMOPC '21 Contest 7 P6 - Rainbow Subgraphs
DMOPC
30p
14.6%
8
DMOPC '21 Contest 7 P1 - Chika Grids
DMOPC
5p
26.6%
285
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami
DMOPC
12p
15.5%
82
DMOPC '21 Contest 8 P1 - Peanut Planning
DMOPC
7p
19.7%
212
DMOPC '21 Contest 8 P5 - Tree Building
DMOPC
25p
9.2%
33
DMOPC '21 Contest 9 P5 - Chika Circle
DMOPC
20p
11.4%
25
DMOPC '21 Contest 8 P2 - Kanna Market
DMOPC
10p
21.8%
136
DMOPC '21 Contest 8 P6 - Castle Building
DMOPC
40p
8.7%
15
DMOPC '21 Contest 8 P4 - Grid Operations
DMOPC
25p
15.9%
17
DMOPC '21 Contest 8 P3 - Weaker Data
DMOPC
25p
6.0%
15
DMOPC '21 Contest 9 P4 - Ace of Diamonds
DMOPC
20p
20.0%
43
DMOPC '21 Contest 9 P3 - Terrible Trains
DMOPC
12p
22.2%
81
DMOPC '21 Contest 9 P2 - String Puzzle
DMOPC
7p
24.7%
152
DMOPC '21 Contest 9 P6 - Shortest Paths
DMOPC
30p
33.3%
10
DMOPC '21 Contest 9 P1 - Board Numbers
DMOPC
7p
17.5%
179
DMOPC '21 Contest 10 P2 - Cycle Sort
DMOPC
7p
11.5%
152
DMOPC '21 Contest 10 P3 - Peculiar Reflections
DMOPC
12p
14.2%
75
DMOPC '21 Contest 10 P4 - Bitwise Telephone
DMOPC
17p
3.7%
30
DMOPC '21 Contest 10 P5 - Number Theory
DMOPC
20p
43.5%
141
DMOPC '21 Contest 10 P6 - Median Replace
DMOPC
25p
18.9%
27
DMOPC '21 Contest 10 P1 - Japaneasy
DMOPC
5
36.4%
238
DMOPC '22 Contest 1 P6 - Linear Swap
DMOPC
30p
7.8%
9
DMOPC '22 Contest 2 P5 - Beautiful Bins
DMOPC
30
8.2%
11
DMOPC '22 Contest 1 P3 - Group Project
DMOPC
12p
14.0%
95
DMOPC '22 Contest 1 P1 - Up-down Sequence
DMOPC
5p
24.9%
263
DMOPC '22 Contest 1 P2 - Hat Swap
DMOPC
10p
24.0%
228
DMOPC '22 Contest 2 P3 - Good Permutations
DMOPC
12p
20.0%
122
DMOPC '22 Contest 1 P4 - Card Game
DMOPC
12p
15.9%
63
DMOPC '22 Contest 2 P6 - Yogyakarta Elevators
DMOPC
25p
9.1%
32
DMOPC '22 Contest 3 P3 - Ina's Takodachis
DMOPC
15p
5.7%
58
DMOPC '22 Contest 2 P1 - DMOPC Crisis
DMOPC
5p
15.5%
313
DMOPC '22 Contest 3 P6 - Compressibility
DMOPC
25p
8.0%
19
DMOPC '22 Contest 2 P4 - Falling Leaves
DMOPC
20p
24.3%
28
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