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Hot problems
Educational DP Contest AtCoder I - Coins
SAC '22 Code Challenge 5 P2 - Querying Extensions
Wesley's Anger Contest Reject 5 - Two Permutations
DMOPC '21 Contest 9 P3 - Terrible Trains
Max's Anger Contest Series 2 P2 - Password Anger
DMOPC '21 Contest 1 P1 - Partial Game
CCO '99 P4 - Maple Roundup
Problem
Category
Points
AC % ▾
Users
COCI '08 Contest 3 #5 BST
COCI
20p
26.7%
156
JSB '19 - P2
CTF
7
26.7%
16
DMOPC '15 Contest 4 P5 - Scribe
DMOPC
15p
26.7%
38
CCC '13 S2 - Bridge Transport
CCC
5
26.7%
2056
CCC '18 S5 - Maximum Strategic Savings
CCC
20p
26.7%
406
CCC '15 S2 - Jerseys
CCC
5p
26.7%
1956
GFSS Christmas Challenge P4 - Coal Counting
GFSSOC
7p
26.7%
58
DMPG '15 B3 - Picking Berries
DMOPC
3p
26.7%
162
ICPC NEERC 2010 F - Factorial Simplification
ICPC
15p
26.7%
4
COI '18 #2 Ljepotica
COCI
15p
26.7%
7
DMOPC '21 Contest 7 P1 - Chika Grids
DMOPC
5p
26.6%
285
BlueBook - 10 Primes on a Line
BlueBook
5
26.6%
423
Fast Search
Uncategorized
15p
26.6%
104
CCC '12 S3 - Absolutely Acidic
CCC
7
26.6%
1855
CCC '23 S2 - Symmetric Mountains
CCC
7p
26.6%
813
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem
SAC Coding Challenge
5p
26.6%
171
DMPG '16 G2 - Kabane Apocalypse
DMOPC
20p
26.5%
16
CCO '99 P1 - You Can't Get There From Here
CCO
7
26.5%
16
SAC '22 Code Challenge 5 Junior P5 - English Summative
SAC Coding Challenge
10p
26.5%
79
Chores
Uncategorized
7
26.5%
82
DMOPC '14 Contest 7 P5 - Aurora
DMOPC
10p
26.5%
63
ECOO '14 R1 P1 - Martian Time
ECOO
5p
26.5%
76
Cheerio Contest 2 P5 - Subsequence Queries
Uncategorized
7p
26.5%
23
JOI '22 Spring Camp Day 1 P1 - Jail
JOI
30p
26.5%
5
CCO '19 P5 - Marshmallow Molecules
CCO
15p
26.5%
128
Mock CCC '20 S2 - Flipper Redux
Mock CCC
7p
26.5%
280
LKP '18 Contest 1 P2 - Observing Frogs
Uncategorized
5p
26.4%
172
VMSS '15 #0 - Head Data Slave Applications
VM7WC
10
26.4%
46
CCC '14 S3 - The Geneva Confection
CCC
7p
26.4%
2807
CCC '16 S3 - Phonomenal Reviews
CCC
12p
26.4%
1104
MMM '14 A - Distinct Prime Factors
Uncategorized
7
26.4%
226
Good Debugging
Uncategorized
17
26.4%
129
Amplitude Hackathon '23 Problem 6 - Journeys
Uncategorized
10p
26.4%
12
CCO Preparation Test 5 P1 - City Game
Mock CCO
15
26.4%
202
NOI '06 P4 - Maximum Profit
China NOI
20p
26.4%
80
DMPG '18 S2 - Mimi and K-uteness
DMOPC
7p
26.4%
181
WC '17 Contest 4 S3 - Guardians of the Cash
Woburn Challenge
15p
26.4%
17
Subarray Search
Uncategorized
7
26.4%
32
DWITE '10 R5 #5 - Cube World
DWITE
12
26.3%
111
Yet Another Contest 2 P2 - Secret Sequence
YAC
7p
26.3%
132
VMSS '15 #5 - Jeffrey and Frank and a Lack of Roads
VM7WC
12
26.3%
67
ACM-ICPC World Finals 2007 Problem J - Tunnels
ICPC
40
26.3%
11
Balkan OI '11 P6 - Trapezoids
Balkan OI
20p
26.3%
22
Baltic OI '02 P1 - Speed Limits
Baltic OI
12p
26.3%
16
NOI '23 P2 - Osmanthus Tree
China NOI
25p
26.3%
5
TLE '17 Contest 3 P2 - Sectors
TLE
3p
26.3%
96
JOI '14 Open P5 - Pinball
JOI
25p
26.3%
91
Yet Another Contest 4 P2 - Alchemy 2
YAC
7p
26.3%
164
TLE '16 Contest 1 P1 - Buying Paper
TLE
3p
26.3%
124
CCO '98 P1 - Fibonacci Numbers
CCO
7
26.2%
158
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