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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
A Math Contest P5 - Good Arrays
WC '01 P3 - Back to the Future
Counting Subsequences
CCC '24 S2 - Heavy-Light Composition
CCC '11 S1 - English or French?
Problem
Category
Points
AC % ▴
Users
DMOPC '15 Contest 3 P6 - Gala
DMOPC
30p
11.3%
22
DMPG '17 G6 - Vera and Ice Cream Cake
DMOPC
20p
11.3%
6
TLE '17 Contest 7 P6 - Base Bombing
TLE
25p
11.3%
4
MEC '16 P6 - Instruments of the Ghostwriters
Seasonal
10p
11.3%
15
An Animal Contest 7 P6 - S-Squirrel?
AAC
20p
11.4%
7
IOI '03 P5 - Amazing Robots
IOI
20
11.4%
38
IOI '17 P6 - Ancient Books
IOI
25p
11.4%
30
DMOPC '19 Contest 4 P5 - Financial Trouble
DMOPC
17p
11.4%
40
IOI '15 P4 - Horses
IOI
15p
11.4%
102
Another Contest 8 Problem 4 - Up and Down
ACC
15
11.4%
46
Another Contest 6 Problem 10 - Putting the Pieces Together
ACC
0p
11.4%
14
ACSL '09 Practice P6 - Expression
Uncategorized
10p
11.4%
29
NOIP '99 P3 - Traveller's Budget
China NOI
12p
11.4%
13
COCI '14 Contest 6 #3 Meteor
COCI
7p
11.4%
50
NOIP '99 P4 - Stamp Face Value Design
China NOI
12p
11.4%
10
DMOPC '20 Contest 1 P5 - Victor Takes Over Canada
DMOPC
17p
11.4%
94
COI '20 #1 Autobahn
COCI
15p
11.4%
28
A Simple Mean
Uncategorized
7
11.5%
39
APIO '14 P2 - Split the Sequence
APIO
25p
11.5%
142
Mock CCC '15 J2 - Lowest Exam Mark
Mock CCC
5p
11.5%
419
DMOPC '21 Contest 10 P2 - Cycle Sort
DMOPC
7p
11.5%
152
Balkan OI '11 P1 - Two Circles
Balkan OI
30p
11.5%
11
DMOPC '19 Contest 3 P5 - Festival
DMOPC
20
11.5%
23
TLE '16 Contest 2 P4 - Harambe's Noble Quest
TLE
15p
11.5%
29
DMOPC '20 Contest 6 P2 - Interpretive Art
DMOPC
7p
11.5%
118
CSPC '15 #4 - Reading Logs
CSPC
5
11.5%
22
ICPC ECNA 2000 D - Stacking Cubes
ICPC
7
11.5%
5
NOI '00 P2 - Program Parser
China NOI
12p
11.5%
10
Mock CCC '23 2 S5 - The Obligatory Data Structures Problem
Mock CCC
25p
11.5%
4
DMOPC '23 Contest 1 P5 - Perfect Matching
DMOPC
25p
11.5%
14
IOI '12 P2 - Parachute Rings (Standard I/O)
IOI
25p
11.5%
111
Mock CCC '14 J4 - Selecting Shifts
Mock CCC
7p
11.5%
52
The Odd Number
Uncategorized
7
11.5%
365
2spooky4me
Uncategorized
7
11.6%
447
Baltic OI '18 P4 - Alternating Current
Baltic OI
25p
11.6%
7
MNYC '16: Moore's Law
Seasonal
5p
11.6%
51
WC '98 P4 - GATTACA
Woburn Challenge
20p
11.6%
6
Wesley's Anger Contest 2 Problem 2 - Costume Shopping
WAC
10
11.6%
49
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles
Mock CCC
5p
11.6%
255
MCIPC Contest 2 P6 - Block Tower
Uncategorized
12p
11.6%
9
DMOPC '21 Contest 5 P4 - Permutations & Primes
DMOPC
17p
11.6%
70
DMPG '19 S3 - Chemical Counting Capers
DMOPC
10p
11.6%
50
DMPG '17 G3 - Brackets, Braces, Boxes, and Arrows
DMOPC
25
11.6%
12
DMOPC '21 Contest 9 P5 - Chika Circle
DMOPC
20p
11.7%
25
COCI '06 Contest 5 #6 Dvaput
COCI
15p
11.7%
157
WC '18 Contest 1 S3 - Reach for the Top
Woburn Challenge
12p
11.7%
118
Another Contest 6 Problem 16 - Boolean (Hard)
ACC
0p
11.7%
71
Riolku's Mock CCC S3 - Mosey's Birthday
Mock CCC
12p
11.7%
63
Baltic OI '19 P5 - Necklace
Baltic OI
17p
11.7%
19
IOI '18 P5 - Highway Tolls
IOI
30p
11.7%
14
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