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Hot problems
CCC '24 S2 - Heavy-Light Composition
SAC '22 Code Challenge 5 P2 - Querying Extensions
Max's Anger Contest Series 2 P2 - Password Anger
CCC '12 S2 - Aromatic Numbers
The Cosmic Era P2 - Uneven Sand
CCC '20 J4 - Cyclic Shifts
CCC '13 J4 - Time on task
Problem
Category
Points ▴
AC %
Users
Mock CCC '19 Contest 2 S5 - Tudor Takes Pictures of Goats
Mock CCC
15
6.8%
14
CTU Open Contest 2018 - Split Game
ICPC
15
42.9%
9
CTU Open Contest 2018 - Escalators
ICPC
15
45.5%
8
CCO '96 P3 - Quadtrees
CCO
15
48.4%
84
CCO '96 P6 - Hoppers
CCO
15
15.5%
29
COCI '17 Contest 1 #5 Deda
COCI
15
39.9%
81
COCI '13 Contest 2 #5 Paleta
COCI
15p
11.0%
24
COCI '18 Contest 1 #4 Strah
COCI
15p
58.3%
54
COCI '15 Contest 6 #5 Krumpirko
COCI
15p
21.6%
36
COCI '18 Contest 2 #3 Deblo
COCI
15p
35.4%
27
COCI '18 Contest 2 #4 Maja
COCI
15p
22.0%
22
COCI '18 Contest 3 #3 Sajam
COCI
15p
32.4%
7
COCI '18 Contest 3 #4 NLO
COCI
15
31.8%
18
COCI '18 Contest 6 #4 Simfonija
COCI
15p
20.9%
38
COCI '18 Contest 5 #4 Parametriziran
COCI
15p
18.3%
34
Falling Snowflakes
Uncategorized
15p
40.7%
37
CEOI '17 P5 - Palindromic Partitions
CEOI
15p
29.9%
99
CEOI '18 P1 - Cloud Computing
CEOI
15p
34.0%
77
CEOI '18 P2 - Global Warming
CEOI
15p
30.0%
68
Wesley's Anger Contest 1 Problem 4 (Easy Version) - A Red-Black Tree Problem
WAC
15p
47.0%
50
K-Dimensional Grids
Uncategorized
15p
27.7%
21
CCO '99 P5 - Sum Of Products
CCO
15
4.3%
1
CCO '99 P6 - Fast Food
CCO
15
34.4%
10
CCO '00 P3 - The Game Of 31
CCO
15
54.5%
11
DMPG '19 S6 - A Strange Array
DMOPC
15p
14.6%
37
ECOO '19 R2 P3 - Ribbon
ECOO
15p
19.8%
13
Mock CCO '19 Contest 1 Problem 4 - A Chemistry Problem
Mock CCO
15p
14.9%
13
Mock CCO '19 Contest 1 Problem 6 - A Geometry Problem
Mock CCO
15p
27.2%
16
Mock CCO '19 Contest 2 Problem 1 - A Dynamic Connectivity Problem
Mock CCO
15p
31.3%
70
Mock CCO '19 Contest 2 Problem 2 - A Simulation Problem
Mock CCO
15p
10.7%
8
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem
Mock CCO
15p
5.5%
5
ECOO '19 R3 P3 - Wall
ECOO
15p
44.2%
4
ECOO '19 R3 P4 - Network
ECOO
15p
0.7%
1
A Floyd-Warshall Problem
Uncategorized
15
0.6%
2
Triway Cup '19 Summer D - Napping
Seasonal
15p
4.1%
6
CCO '19 P5 - Marshmallow Molecules
CCO
15p
26.6%
128
COCI '06 Regional #4 Circle
COCI
15
36.7%
24
Another Contest 5 Problem 4 - Tudor Interacts With Poop
ACC
15p
16.1%
26
CCO '01 P6 - Election Night
CCO
15
15.2%
47
Educational DP Contest AtCoder T - Permutation
Uncategorized
15
58.4%
116
Educational DP Contest AtCoder U - Grouping
Uncategorized
15
34.7%
83
Back To School '19: Heist Night
Seasonal
15p
14.4%
31
Back To School '19: Unstable Books
Seasonal
15p
29.9%
32
APIO '08 P3 - DNA
APIO
15p
30.8%
32
CEOI '16 P4 - Match
CEOI
15p
19.9%
22
IOI '19 P1 - Arranging Shoes
IOI
15p
16.4%
136
Please Help Me
Uncategorized
15
18.1%
52
Back From Summer '19 P6: Composite Zeyu
Seasonal
15p
37.6%
41
DMOPC '19 Contest 1 P4 - A Strange Graph
DMOPC
15p
9.7%
17
DMOPC '19 Contest 2 P4 - A Greedy Problem
DMOPC
15p
20.4%
83
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