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Hot problems
COCI '14 Contest 6 #4 Kratki
CCO '23 P1 - Binaria
ACSL '09 Practice P4 - Rank
Educational DP Contest AtCoder B - Frog 2
CCO '23 P2 - Real Mountains
TLE '16 Contest 7 P5 - Shortest Path Faster Algorithm
IOI '00 P1 - Palindrome
Problem
Category
Points
AC % ▾
Users
A Very Coordinated Christmas
Uncategorized
7p
34.5%
115
COCI '07 Contest 6 #6 Cestarine
COCI
20
34.5%
63
WC '18 Contest 4 S2 - Farming Simulator
Woburn Challenge
15p
34.4%
55
COCI '08 Contest 6 #1 Buka
COCI
5
34.4%
397
CCO '99 P6 - Fast Food
CCO
15
34.4%
10
COCI '11 Contest 6 #6 Košare
COCI
15p
34.4%
74
WC '17 Contest 2 S3 - Battle of the Pelennor Fields
Woburn Challenge
12p
34.4%
30
Baltic OI '09 P1 - Beetle
Baltic OI
15
34.4%
39
Baltic OI '17 P3 - Railway
Baltic OI
17p
34.4%
75
DWITE '10 R2 #3 - Escape and Loot
DWITE
5
34.4%
95
MWC '15 #2 P3: Breaking Ice
MWC
5
34.3%
59
ACM U of T Tryouts C3 E - A Brief Expedition
ICPC
10
34.3%
67
COI '10 #3 Rijeka
COCI
10p
34.3%
20
Waterloo 2016 Fall C - Wizard of Odds
Waterloo Local
5
34.3%
9
WC '16 Finals S1 - Cow-Bot Construction
Woburn Challenge
7p
34.3%
31
CCO '14 P4 - Where's That Fuel?
CCO
7p
34.3%
385
The Cosmic Era P5 - GENESIS
Uncategorized
20
34.2%
121
Educational DP Contest AtCoder M - Candies
Uncategorized
12
34.2%
265
COCI '09 Contest 4 #3 IKS
COCI
7
34.2%
68
Bubble Cup V8 H Bots
Bubble Cup
12
34.2%
335
COCI '16 Contest 7 #2 Uzastopni
COCI
7p
34.2%
56
COCI '08 Regional #4 Tablica
COCI
15
34.1%
24
Meta
Classics
12p
34.1%
12
HHPC1 P5 - Yunity Grouping Objects
Uncategorized
17p
34.1%
12
DMOPC '22 Contest 2 P2 - Line Trace
DMOPC
7p
34.1%
167
Palindromic Integer Partition
Uncategorized
5p
34.1%
299
CCC '00 S2 - Babbling Brooks
CCC
7
34.1%
2528
Power Eggs
Uncategorized
15
34.1%
93
ACSL '09 Contest 3 Senior - Pinochle
Uncategorized
10p
34.1%
3
OCC '19 G1 - Top Coder
Olympiads School
10p
34.1%
43
Back To School '19: H🅰️r🅰️mbe
Seasonal
3
34.1%
258
Dynamic Tree Test (Easy)
Data Structure Tests
25p
34.0%
52
JOI '21 Open P2 - Financial Report
JOI
25p
34.0%
13
Baltic OI '02 P2 - Tennis Club
Baltic OI
12p
34.0%
13
New Year's '16 P4 - DIY Christmas Tree
Seasonal
10p
34.0%
65
X Diagonal
Uncategorized
5p
34.0%
8
IOI '98 P3 - Party Lamps
IOI
12p
34.0%
168
Flip the Switches
Uncategorized
5
34.0%
347
Facebook Hacker Cup '15 Round 1 P1 - Homework
FHC
10
34.0%
642
COCI '09 Contest 6 #3 Dosadan
COCI
5
34.0%
43
ECOO '15 R1 P4 - Neanderthal Numbers
ECOO
10p
34.0%
208
CEOI '18 P1 - Cloud Computing
CEOI
15p
34.0%
77
JOI '18 Spring Camp Day 1 P1 - Construction of Highway
JOI
30p
34.0%
28
CCO '10 P1 - Barking Dogs!
CCO
10
33.9%
232
WC '99 P1 - The Matrix
Woburn Challenge
7
33.9%
44
Graph Contest 3 P1 - Travelling Salesmen
Uncategorized
7
33.9%
298
COCI '10 Contest 5 #4 Honi
COCI
10p
33.9%
31
Bubble Sort
Uncategorized
7
33.9%
789
CCO '01 P3 - Partitions
CCO
12
33.9%
63
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4580
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