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Random
Hot problems
COCI '23 Contest 5 #5 Trokut
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity
ECOO '19 R1 P1 - Free Shirts
CCC '23 J3 - Special Event
CCC '16 S4 - Combining Riceballs
Tree Tasks
CCC '19 S5 - Triangle: The Data Structure
Problem
Category
Points
AC %
Users
DMPG '16 G4 - Araxxi
DMOPC
15p
20.8%
57
DMPG '16 S4 - MMORPG II
DMOPC
12p
31.6%
41
DMPG '16 S5 - Pizza Bag
DMOPC
12p
24.0%
311
DMPG '16 S6 - Black and White II
DMOPC
15p
24.4%
11
DMPG '17 G1 - FatalWhale and Candies
DMOPC
15p
13.2%
25
DMPG '17 G5 - Vera and Pets
DMOPC
15p
24.8%
15
DMPG '17 S4 - Artillery Battery
DMOPC
15p
9.1%
9
DMPG '17 S5 - Bit Matrix
DMOPC
15p
35.8%
64
DMPG '17 S6 - Brackets, Braces, and Boxes
DMOPC
12p
10.4%
30
DMPG '18 G2 - Gardening Fun
DMOPC
15p
46.1%
31
DMPG '18 G4 - Variation
DMOPC
15p
29.4%
27
DMPG '18 G5 - Triangles
DMOPC
15p
20.5%
29
DMPG '18 S4 - Mimi and Prize
DMOPC
12p
21.8%
83
DMPG '18 S5 - Mimi and Division
DMOPC
15p
16.3%
174
DMPG '19 G1 - Camera Calibration Challenge
DMOPC
12p
7.9%
21
DMPG '19 G4 - Carpet Cleaning Chore
DMOPC
12p
13.0%
10
DMPG '19 S4 - Confusing Crossword Conundrum
DMOPC
12p
13.6%
39
DMPG '19 S5 - Secret Sort
DMOPC
12p
13.3%
7
DMPG '19 S6 - A Strange Array
DMOPC
15p
14.5%
38
Educational DP Contest AtCoder J - Sushi
Uncategorized
12
54.5%
229
Educational DP Contest AtCoder M - Candies
Uncategorized
12
34.5%
289
Educational DP Contest AtCoder N - Slimes
Uncategorized
12
47.4%
427
Educational DP Contest AtCoder O - Matching
Uncategorized
12
57.2%
372
Educational DP Contest AtCoder P - Independent Set
Uncategorized
12
36.1%
330
Educational DP Contest AtCoder Q - Flowers
Uncategorized
15
50.4%
291
Educational DP Contest AtCoder R - Walk
Uncategorized
15
61.1%
145
Deemo's Problem
Uncategorized
15
13.6%
108
Educational DP Contest AtCoder S - Digit Sum
Uncategorized
12
32.8%
139
Educational DP Contest AtCoder T - Permutation
Uncategorized
15
59.0%
122
Educational DP Contest AtCoder U - Grouping
Uncategorized
15
36.0%
91
Segment Tree Test
Data Structure Tests
15p
15.9%
351
Binary Search Tree Test
Data Structure Tests
15
38.5%
204
DWITE '08 R5 #4 - Wiring the Server Room
DWITE
15
22.6%
12
DWITE '09 R2 #5 - Portals Redux
DWITE
12
36.0%
23
DWITE '09 R3 #5 - Up To Four Colours
DWITE
12
61.7%
38
DWITE '09 R7 #4 - What is this Algebra?
DWITE
12
23.9%
19
DWITE '10 R5 #4 - New type of wordplay
DWITE
15
5.6%
16
DWITE '10 R5 #5 - Cube World
DWITE
12
26.2%
114
DWITE '11 R4 #5 - Comet Vomit
DWITE
12
48.0%
15
DWITE '11 R5 #4 - Cube World
DWITE
12
46.8%
75
Dynamic Sum
Uncategorized
15
13.9%
17
ICPC ECNA 2000 A - Picnic Planning
ICPC
15
5.1%
4
ICPC ECNA 2000 B - Poly-polygonal Numbers
ICPC
12
14.7%
5
ICPC ECNA 2000 E - Checker's Check
ICPC
15
14.0%
5
ICPC ECNA 2005 A - ACM (ACronym Maker)
ICPC
12
20.4%
28
ICPC ECNA 2005 C - The Game of Efil
ICPC
12
51.4%
16
ICPC ECNA 2005 E - Reliable Nets
ICPC
15
21.4%
45
ICPC ECNA 2005 F - Square Count
ICPC
15
35.9%
21
ICPC ECNA 2016 G - That's One Hanoi-ed Teacher
ICPC
15
47.8%
16
ICPC ECNA 2016 H - Vin Diagrams
ICPC
15
50.0%
15
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