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Hot problems
Educational DP Contest AtCoder K - Stones
Educational DP Contest AtCoder I - Coins
DMOPC '20 Contest 4 P1 - Missing Numbers
CCC '12 S3 - Absolutely Acidic
CCC '21 J3 - Secret Instructions
DWITE '07 R3 #4 - The Convex Fence Company
CCC '24 J5 - Harvest Waterloo
Problem
Category
Points
AC % ▾
Users
IOI '95 P2 - Shopping Offers
IOI
15p
27.5%
42
An Animal Contest 1 P5 - Odd Alpacas
AAC
12p
27.5%
106
Google Code Jam '21 Qualification Round Problem C - Reversort Engineering
Google Code Jam
7p
27.5%
9
TSOC '15 Contest 1 #4 - Restaurant Of Secrets
TSOC
5p
27.5%
44
COCI '06 Regional #1 Bard
COCI
7
27.5%
268
IOI '01 P1 - Mobile Phones
IOI
15p
27.5%
702
Mock DWITE '09 P5 - Traffic Lights
Uncategorized
15p
27.5%
14
RGPC '18 P3 - Chocolate Day
Uncategorized
10
27.4%
265
CCC '15 J5 - π-day
CCC
10p
27.4%
1463
Valentine's Day '19 J3 - Love!
Uncategorized
7p
27.4%
323
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.4%
7204
Yet Another Contest 8 P2 - No More Modern Art
YAC
7p
27.4%
245
A Simple Minus
Uncategorized
10
27.4%
17
PIB '20 P4 - Ninjaclasher the Perfect Man
Uncategorized
25p
27.4%
6
Baltic OI '11 P6 - Plagiarism
Baltic OI
7p
27.4%
38
Baltic OI '13 P2 - Palindrome-Free Numbers
Baltic OI
15p
27.4%
85
VM7WC '15 #6 Gold - Agriphilosophical Data Slaves
VM7WC
7
27.4%
173
DMOPC '15 Contest 1 P4 - Itami and Candy
DMOPC
10p
27.4%
243
Back From Summer '17 P4: Pair Programming
Seasonal
12p
27.4%
50
ECOO '18 R1 P1 - Willow's Wild Ride
ECOO
5p
27.4%
620
NOI '01 P6 - Secret of the Meteorite
China NOI
15p
27.4%
26
CCC '15 S4 - Convex Hull
CCC
15p
27.4%
1159
Riddle Troll
Uncategorized
10
27.3%
17
Another Contest 4 Problem 8 - DMOJ!
ACC
0
27.3%
53
Lego
Uncategorized
15p
27.3%
13
WC '17 Finals S2 - Cowmmunication Network
Woburn Challenge
12p
27.3%
51
Monkey Bread
Uncategorized
7
27.3%
24
DMPG '17 S2 - Anime Conventions
DMOPC
7p
27.3%
656
CCC '00 S1 - Slot Machines
CCC
5
27.3%
4513
TLE '17 Contest 1 P1 - String Rounding
TLE
3p
27.3%
112
ICPC SWERC 2017 H - Kabobs
ICPC
35
27.3%
3
COCI '11 Contest 4 #6 Kriptogram
COCI
15p
27.3%
4
JOI '20 Spring Camp Day 3 P2 - Harvest
JOI
35p
27.3%
5
Max's Anger Contest Series 2 P5 - Job Anger
Seasonal
12p
27.3%
60
Google Code Jam '18 Round 1A Problem C - Edgy Baking
Google Code Jam
17p
27.3%
3
COCI '23 Contest 5 #4 Rolete
COCI
15p
27.3%
18
OCC '19 S2 - Rimuru's Number Game
Uncategorized
5
27.2%
399
DMOPC '13 Contest 3 P2 - Phone Microwave
DMOPC
7p
27.2%
194
DMPG '18 G1 - Musical Chairs
DMOPC
10p
27.2%
292
WC '18 Contest 4 J3 - Inventory
Woburn Challenge
5p
27.2%
32
Baltic OI '07 P6 - Sequence
Baltic OI
12p
27.2%
27
Caporegime
Uncategorized
10p
27.2%
34
Good Sets
Uncategorized
10p
27.2%
32
Mock CCO '19 Contest 1 Problem 6 - A Geometry Problem
Mock CCO
15p
27.2%
16
ACM U of T Tryouts C2 E - MVP
ICPC
15
27.2%
32
IOI '94 P4 - The Clocks
IOI
10
27.2%
121
CCC '06 J2 - Roll the Dice
CCC
3
27.1%
3035
ECOO '13 R1 P1 - Take a Number
ECOO
5p
27.1%
1182
A Math Contest P9 - Buy Some Get Some
Uncategorized
12
27.1%
55
TLE '17 Contest 1 P3 - Screensaver 2
TLE
7p
27.1%
69
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