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Hot problems
WC '01 P3 - Back to the Future
GFSSOC '15 Winter S1 - OR-deal
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun
DWITE '10 R3 #3 - Dominos Tiling
APIO '10 P1 - Commando
Counting Subsequences
Cheerio Contest 1 S4 - Mystery Boxes
Problem
Category
Points
AC % ▴
Users
ECOO '13 R2 P3 - Last Robot Standing
ECOO
7p
45.0%
7
COCI '13 Contest 4 #6 Utrka
COCI
20p
45.0%
4
Google Code Jam '22 Qualification Round Problem A - Punched Cards
Google Code Jam
3p
45.0%
14
CCC '13 J2 - Rotating letters
CCC
3
45.0%
4842
DMOPC '19 Contest 7 P1 - Hydrocarbons
DMOPC
7
45.1%
264
COCI '09 Contest 1 #3 Dobra
COCI
7
45.1%
113
Creating a Sequence
Uncategorized
3p
45.1%
100
COCI '10 Contest 4 #6 Hrpa
COCI
15p
45.1%
35
COCI '14 Contest 1 #2 Klopka
COCI
5p
45.2%
340
COCI '07 Contest 3 #1 Cetiri
COCI
3
45.2%
438
Lyndon's Golf Contest 1 P1 - As Easy As ABC
Uncategorized
0p
45.2%
176
CEOI '22 P2 - Homework
CEOI
15p
45.2%
70
DMOPC '18 Contest 3 P1 - Bob and Music Class
DMOPC
5
45.2%
101
NOI '17 P2 - Queue
China NOI
20p
45.3%
9
XOR Sum
Uncategorized
10
45.3%
234
IOI '95 P1 - Packing Rectangles
IOI
15p
45.3%
26
COCI '08 Contest 2 #2 Reseto
COCI
5
45.3%
303
Cheerio Contest 1 S1/J4 - Going to School
Uncategorized
5p
45.3%
142
HCI '16 - Oversleep
Uncategorized
7p
45.3%
528
COCI '07 Contest 6 #2 Semafori
COCI
7
45.4%
317
TSOC '16 Contest 1 #1 - Vasile and Haircuts
TSOC
3
45.4%
433
ICPC NAQ 2016 C - Big Truck
ICPC
10
45.4%
73
GFSSOC '15 Fall Practice P3 - Bruno and Beads
GFSSOC
5p
45.4%
134
BSSPC '22 P2 - Rhyming Numbers
Uncategorized
3
45.4%
411
CTU Open Contest 2018 - Escalators
ICPC
15
45.5%
8
WC '98 P2 - The Hutts Strike Back
Woburn Challenge
10
45.5%
8
Counting Problem
Uncategorized
17
45.5%
5
COCI '06 Contest 2 #5 Stol
COCI
12p
45.5%
383
K-th Minimum Number
Uncategorized
17
45.5%
32
Cheerio Contest 1 J3 - Festival
Uncategorized
5
45.5%
188
DMOPC '16 Contest 2 P1 - Seed Strategy
DMOPC
3
45.6%
335
COCI '06 Contest 2 #2 ABC
COCI
3
45.6%
868
CCC '12 S5 - Mouse Journey
CCC
7
45.6%
1820
Valentine's Day '18 S4 - Coastal California Cities
Mock CCC
7p
45.6%
43
DWITE '11 R4 #3 - Breaking Bonds
DWITE
7
45.7%
20
An Extraordinarily Coordinated Christmas
Uncategorized
10p
45.7%
104
COCI '06 Contest 3 #2 N-puzzle
COCI
5
45.7%
408
CCC '20 J4 - Cyclic Shifts
CCC
5p
45.7%
2293
DMOPC '13 Contest 3 P5 - A Romantic Dinner
DMOPC
10p
45.8%
388
Another Contest 4 Problem 4 - Another Isosceles Right Triangle
ACC
0
45.8%
118
CCC '13 S1 - From 1987 to 2013
CCC
5
45.8%
3931
COCI '17 Contest 3 #2 Programiranje
COCI
7p
45.9%
37
WC '18 Contest 3 J2 - Net Weight
Woburn Challenge
5p
45.9%
257
ACSL '09 Practice P4 - Rank
Uncategorized
7
45.9%
855
CCC '16 J3 - Hidden Palindrome
CCC
5
45.9%
2562
Educational DP Contest AtCoder A - Frog 1
Uncategorized
7
45.9%
1178
DWITE '08 R5 #3 - Working Directory
DWITE
7
45.9%
16
Baltic OI '15 P2 - Editor
Baltic OI
25p
45.9%
9
DMOPC '14 Exam Time P2 - Physics Duel
DMOPC
5p
46.0%
125
COCI '19 Contest 5 #1 Emacs
COCI
5p
46.0%
281
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