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Hot problems
CCC '24 J5 - Harvest Waterloo
CCC '15 S3 - Gates
Knapsack 4
DMOPC '19 Contest 4 P1 - Valid Strings
Educational DP Contest AtCoder C - Vacation
ICPC PACNW 2016 A - Alphabet
CCO '10 P2 - Tree Pruning
Problem
Category
Points
AC %
Users ▾
CCCHK '15 S3 - Symmetric Cross
CCC
12p
15.8%
19
Baltic OI '19 P5 - Necklace
Baltic OI
17p
11.7%
19
Digger
Uncategorized
15p
16.2%
19
CCC '00 S5 - Sheep and Coyotes (Hard)
CCC
20
4.3%
19
COCI '10 Contest 2 #4 Knjige
COCI
5p
36.2%
19
COCI '10 Contest 4 #3 Astro
COCI
7p
44.0%
19
COCI '12 Contest 2 #2 Krizaljka
COCI
5p
51.4%
19
COCI '17 Contest 5 #5 Pictionary
COCI
17p
44.0%
19
NOI '20 P4 - Dish
China NOI
20p
7.6%
19
COCI '21 Contest 1 #5 Volontiranje
COCI
25p
20.2%
19
Yet Another Contest 1 P5 - Hopping Kangaroos
YAC
17p
12.3%
19
Baltic OI '08 P6 - Gloves
Baltic OI
17p
13.0%
19
Baltic OI '10 P5 - Candies
Baltic OI
17p
25.9%
19
COI '14 #2 Kovanice
COCI
15p
12.4%
19
Spy Tree
Uncategorized
15p
21.9%
19
DMOPC '22 Contest 3 P6 - Compressibility
DMOPC
25p
8.0%
19
Mock CCC '23 1 S4 - Roger Says Yabe
Mock CCC
15p
7.2%
19
Google Code Jam '22 Qualification Round Problem C - d1000000
Google Code Jam
5p
52.4%
19
Amplitude Hackathon '23 Problem 5 - Partition Assignment
Uncategorized
7p
22.5%
19
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!
Uncategorized
5p
14.6%
19
COCI '23 Contest 4 #4 Putovanje
COCI
20p
10.7%
19
CCC '24 S5 - Chocolate Bar Partition
CCC
20p
9.5%
19
COCI '14 Contest 3 #6 Kamioni
COCI
30p
15.1%
18
CEOI '14 P2 - Fangorn
CEOI
20p
28.3%
18
TSOC '16 Contest 2 #2 - Oh My!
TSOC
10
15.3%
18
ECOO '16 R2 P4 - Hop, Skip and Jump
ECOO
12p
27.9%
18
COCI '15 Contest 3 #4 Slon
COCI
12p
8.9%
18
TLE '16 Contest 4 P5 - Buying Gifts
TLE
17p
15.6%
18
HCI '16 - Totient
Uncategorized
12p
28.8%
18
Google Kickstart '17 Round A Problem A - Square Counting
Google Kick Start
12p
20.6%
18
ECOO '17 R3 P3 - Region Selection
ECOO
12p
37.0%
18
ECOO '12 R2 P3 - Airport Radar
ECOO
10p
14.0%
18
DWITE '12 R2 #2 - Word Arithmetic
DWITE
5
30.9%
18
DWITE '11 R2 #4 - Bear Trees
DWITE
10
21.3%
18
DWITE '10 R2 #4 - Fractions to Decimal
DWITE
7
37.7%
18
DWITE '09 R5 #4 - Kind of like OCR
DWITE
7
46.3%
18
DWITE '11 R1 #3 - Take a Walk
DWITE
10
14.5%
18
DWITE '09 R2 #1 - Angles
DWITE
5
46.6%
18
DWITE '08 R1 #5 - Moving Stuff in Boxes
DWITE
7
43.5%
18
TLE '17 Contest 5 P4 - Cloning
TLE
15p
6.6%
18
COCI '15 Contest 6 #3 Pianino
COCI
10
28.9%
18
COCI '18 Contest 3 #4 NLO
COCI
15
31.8%
18
COCI '18 Contest 5 #1 Titlovi
COCI
5
40.8%
18
CCO '98 P5 - Text Segmentation
CCO
10
23.7%
18
NOI '99 P5 - Optimally Connected Subset
China NOI
15p
72.0%
18
ACSL '09 Practice P5 - Fax
Uncategorized
12p
29.3%
18
SMAC 08/09 (Nov) #4 - Infinite Degrees
Uncategorized
12p
25.3%
18
WC '16 Contest 4 S4 - Hopps and Wilde on the Case
Woburn Challenge
15p
13.4%
18
WC '16 Contest 2 S4 - Diplomacy
Woburn Challenge
17p
13.9%
18
WC '99 Suicidal P4 - Good Ethan Hunt
Woburn Challenge
15
17.8%
18
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