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Random
Hot problems
CCC '24 S2 - Heavy-Light Composition
Educational DP Contest AtCoder G - Longest Path
DWITE '10 R3 #3 - Dominos Tiling
EGOI '23 P4 - Bikes vs Cars
Linked List
CCC '20 S4 - Swapping Seats
A Math Contest P5 - Good Arrays
Problem
Category
Points
AC %
▾
Users
DMOPC '19 Contest 2 P4 - A Greedy Problem
DMOPC
15p
20.4%
83
DMOPC '19 Contest 1 P6 - Bob and Binary Strings
DMOPC
25p
6.0%
11
DMOPC '19 Contest 1 P2 - Good Writing
DMOPC
7
22.0%
205
DMOPC '19 Contest 1 P5 - Broken String
DMOPC
17
9.0%
32
DMOPC '19 Contest 1 P3 - Simple Math
DMOPC
12
18.4%
45
Baltic OI '06 P1 - Bitwise Expressions
Baltic OI
15p
37.8%
9
DMOPC '19 Contest 2 P1 - Box and Whiskers
DMOPC
5
16.5%
250
Baltic OI '13 P6 - Vim
Baltic OI
20p
17.6%
3
Baltic OI '19 P6 - Olympiads
Baltic OI
20p
20.3%
34
Baltic OI '13 P2 - Palindrome-Free Numbers
Baltic OI
15p
27.4%
85
DMOPC '19 Contest 2 P5 - Connections
DMOPC
20
6.9%
12
DMOPC '19 Contest 2 P3 - Selection
DMOPC
12
38.7%
163
Baltic OI '13 P5 - Tracks in the Snow
Baltic OI
12p
29.7%
85
Angie and Functions
Uncategorized
20p
23.6%
15
Wesley's Anger Contest 2 Problem 1 - OCT 31 = DEC 25?
WAC
3
51.2%
207
Wesley's Anger Contest 2 Problem 2 - Costume Shopping
WAC
10
11.6%
49
Wesley's Anger Contest 2 Problem 3 - Pumpkin Counting
WAC
15
22.6%
29
Wesley's Anger Contest 2 Problem 4 - The Ninth Triangle of the Underworld
WAC
20
14.1%
11
Wesley's Anger Contest 2 Problem 5 - Oober Treats
WAC
25
21.6%
10
Wesley's Anger Contest 2 Problem 6 - Haunted Houses
WAC
30
33.3%
6
DMOPC '19 Contest 4 P1 - Valid Strings
DMOPC
5p
35.9%
537
DMOPC '19 Contest 7 P4 - Bob and Continued Fractions
DMOPC
20p
20.9%
108
COCI '19 Contest 1 #1 Trol
COCI
5p
21.9%
54
COCI '19 Contest 1 #3 Džumbus
COCI
20p
21.1%
30
Wesley's Anger Contest 3 Problem 3 - Wesley Plays DDR
WAC
7p
20.0%
360
VPEX P3 - Coding Club
Uncategorized
12p
4.7%
25
COCI '19 Contest 2 #4 Popcount
COCI
20p
12.0%
3
COCI '19 Contest 2 #5 Zvijezda
COCI
20p
24.0%
31
DMOPC '19 Contest 4 P3 - Taking Cues
DMOPC
12p
20.0%
77
DMOPC '19 Contest 4 P2 - Pleasant Present
DMOPC
10p
18.0%
121
Art Academy IV: Alice's Blazing Fury
Uncategorized
30p
12.2%
4
2-Dimensional Range Minimum Query
Classics
17p
19.9%
133
Wesley's Anger Contest 3 Problem 1 - Snow Day Predictor
WAC
3
53.8%
334
Art Academy V: Ruin
Uncategorized
12p
25.1%
46
다른 콘테스트 6 문제 5 - Fan Death
ACC
0
6.0%
28
Wesley's Anger Contest 1 Problem 4 (Hard Version) - A Red-Black Tree Problem
WAC
17
23.4%
13
DMOPC '19 Contest 4 P0 - Yikes
DMOPC
3p
48.3%
425
Wesley's Anger Contest 3 Problem 7 - Mirrors
WAC
25p
7.2%
9
Wesley's Anger Contest 3 Problem 5 - Triangle: The Root of All Evil
WAC
15p
11.3%
40
Wesley's Anger Contest 3 Problem 6 - Zeyu's Sadness Contest 1
WAC
30p
7.5%
8
Wesley's Anger Contest 3 Problem 2 - Eat, Sleep, Code, Repeat
WAC
5p
28.8%
197
Figurines
Uncategorized
20
21.1%
29
Wesley's Anger Contest 3 Problem 4 - Canadian Construction Crew
WAC
12p
20.4%
81
Mock CCC '20 Contest 2 S4 - Rotational Arrays
Mock CCC
10p
11.8%
61
COCI '19 Contest 5 #1 Emacs
COCI
5p
46.0%
281
COCI '19 Contest 5 #2 Političari
COCI
7p
30.6%
92
COCI '19 Contest 5 #3 Matching
COCI
35p
20.0%
5
COCI '19 Contest 5 #4 Putovanje
COCI
15p
37.3%
100
COCI '19 Contest 5 #5 Zapina
COCI
10p
58.2%
93
Mock CCC '20 Contest 1 J3 - A Geometry Problem
Mock CCC
3p
9.2%
291
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