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Hot problems
CCC '24 S2 - Heavy-Light Composition
APIO '10 P1 - Commando
SAC '22 Code Challenge 5 P2 - Querying Extensions
CCC '12 S2 - Aromatic Numbers
Max's Anger Contest Series 2 P3 - Array Anger
CCO '07 P2 - Snowflakes
CCC '15 S3 - Gates
Problem
Category
Points
AC % ▴
Users
COCI '19 Contest 5 #1 Emacs
COCI
5p
46.0%
281
Lexicographically Least Substring
Uncategorized
5
46.0%
616
ECOO '15 R3 P1 - Just the Factoradics, Ma'am
ECOO
7p
46.0%
35
Facebook Hacker Cup '15 Round 1 P4 - Corporate Gifting
FHC
17
46.0%
88
COCI '20 Contest 3 #2 Vlak
COCI
10p
46.0%
49
CCC '19 S1 - Flipper
CCC
3p
46.0%
3954
COCI '08 Contest 4 #2 Datum
COCI
3
46.0%
323
COCI '08 Contest 2 #1 Kornislav
COCI
5
46.1%
398
DWITE '09 R3 #1 - Quiz Time
DWITE
3
46.1%
97
COCI '23 Contest 2 #2 Pingvin
COCI
7p
46.1%
36
COCI '14 Contest 7 #1 Teta
COCI
5p
46.1%
99
CTU Open Contest 2017 - Ice Cream Samples
ICPC
12
46.2%
5
CTU Open Contest 2017 - Go Northwest!
ICPC
7
46.2%
9
COCI '13 Contest 6 #4 Kružnice
COCI
12p
46.2%
14
COI '12 #3 Snjeguljica
COCI
17p
46.2%
21
Google Code Jam '21 Qualification Round Problem B - Moons and Umbrellas
Google Code Jam
7p
46.2%
6
CCC '19 J3 - Cold Compress
CCC
5
46.2%
3157
VMSS Pre-Pre-Windsor P2 - Big Chess
Uncategorized
3
46.2%
416
DWITE '09 R5 #4 - Kind of like OCR
DWITE
7
46.3%
18
Tree Paths
Uncategorized
12p
46.3%
9
DWITE '11 R5 #4 - Cube World
DWITE
12
46.3%
70
Waterloo 2017 Winter D - Vera and Sorting
Waterloo Local
15
46.3%
29
CTU Open Contest 2017 - Punching Power
ICPC
15
46.3%
15
DWITE '10 R3 #3 - Dominos Tiling
DWITE
10
46.3%
266
TSOC '15 Contest 2 #5 - Bebiliths
TSOC
5p
46.4%
209
ECOO '20 P2 - Online Shopping
ECOO
5p
46.4%
370
IOI '09 P5 - Garage
IOI
7
46.4%
532
NOI '08 P3 - Hiring Employees
China NOI
25p
46.4%
41
Cheerio Contest 1 S5 - Coin Game
Uncategorized
15p
46.4%
35
Waterloo 2017 Fall A - Art
Waterloo Local
3p
46.4%
108
ICPC ECNA 2016 C - The Key to Cryptography
ICPC
7
46.4%
61
COCI '08 Regional #6 Cvjetici
COCI
12
46.5%
180
COCI '09 Contest 5 #4 Zuma
COCI
15
46.5%
71
CCC '06 S4 - Groups
CCC
10
46.5%
328
Checkerboard Summation (Hard)
Uncategorized
15p
46.5%
243
DWITE '09 R2 #1 - Angles
DWITE
5
46.6%
18
COCI '14 Contest 5 #3 Traktor
COCI
7p
46.6%
278
GlobeX Cup '18 S Sample - Chair Stacking
Uncategorized
7p
46.6%
127
IOI '03 Practice Task 1 - Balancing Act
IOI
15
46.6%
125
ECOO '15 R2 P3 - Lucas' Other Tower
ECOO
10p
46.7%
308
ECOO '14 R3 P1 - Substitute Teacher
ECOO
5p
46.7%
21
CCO '97 P5 - Space Aliens
CCO
10
46.7%
3
CCO '98 P6 - Derek's Dilemma
CCO
12
46.7%
4
COCI '17 Contest 7 #4 Clickbait
COCI
15p
46.7%
6
COCI '13 Contest 3 #5 Parovi
COCI
12p
46.7%
16
COCI '11 Contest 5 #1 Križaljka
COCI
3p
46.7%
54
NOI '23 P4 - Trade
China NOI
20p
46.7%
7
DMOPC '18 Contest 1 P0 - Sorting
DMOPC
3
46.7%
561
DMOPC '18 Contest 2 P0 - Mimi and Video Games
DMOPC
3
46.7%
422
CERC '07 B - Strange Billboard
ICPC
10p
46.8%
39
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