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Hot problems
CCC '24 S2 - Heavy-Light Composition
CCC '19 S2 - Pretty Average Primes
IOI '94 P1 - The Triangle
APIO '10 P2 - Patrol
CCC '17 J4 - Favourite Times
UHCC1 P2 - String
DMOPC '20 Contest 4 P1 - Missing Numbers
Problem
Category
Points
AC % ▴
Users
RGPC '17 P4 - Snow Day
Uncategorized
10p
14.4%
102
DMPG '19 G5 - Hunting the White Whale
DMOPC
20p
14.4%
70
Wesley's Anger Contest Reject 3 - Christmas Carols
WAC
25p
14.4%
13
DMOPC '19 Contest 6 P3 - Grade 11 Math
DMOPC
10p
14.4%
119
CCO '07 P2 - Snowflakes
CCO
10
14.4%
968
An Animal Contest 4 P2 - Lavish Lights
AAC
10
14.4%
210
Baltic OI '04 P1 - Ships
Baltic OI
7p
14.4%
12
New Year's '15 P5 - Message to Mars
Seasonal
20p
14.4%
52
Back To School '19: Heist Night
Seasonal
15p
14.4%
31
Recurrence Solver
Uncategorized
15p
14.4%
15
IOI '20 P6 - Stations
IOI
20p
14.5%
22
TLE '16 Contest 4 P4 - Christmas Tree Building
TLE
15p
14.5%
177
DWITE '11 R1 #3 - Take a Walk
DWITE
10
14.5%
18
Cheerio Contest 2 P4 - Modulus Finding
Uncategorized
7p
14.5%
18
CCO '18 P4 - Gradient Descent
CCO
15p
14.5%
251
Temple Construction
Uncategorized
20p
14.5%
4
Foxlings
Uncategorized
10p
14.5%
76
COCI '13 Contest 6 #5 Hash
COCI
15p
14.5%
14
Baltic OI '18 P5 - Genetics
Baltic OI
25p
14.5%
45
MCIPC Contest 1 P4 - Snack Line
Uncategorized
7p
14.5%
14
ECOO '18 R3 P4 - Circular Cities
ECOO
15p
14.5%
6
DMOPC '23 Contest 1 P6 - Sky Clearing Up
DMOPC
35p
14.6%
4
Dynamic Sum
Uncategorized
15
14.6%
16
COCI '19 Contest 1 #4 Trobojnica
COCI
15p
14.6%
6
DMOPC '21 Contest 7 P6 - Rainbow Subgraphs
DMOPC
30p
14.6%
8
DMPG '19 S6 - A Strange Array
DMOPC
15p
14.6%
37
Back To School '19: FFT Fun
Seasonal
20p
14.6%
16
TLE '15 P3 - Poetry
TLE
10p
14.6%
42
CCC '99 S2 - Year 2000
CCC
7
14.6%
105
TLE '16 Contest 1 P3 - Joey and Chemistry
TLE
7p
14.6%
30
COCI '21 Contest 4 #4 Parkovi
COCI
25p
14.6%
21
MALD Contest 1 P6 - Scratch Cat and Painting
Uncategorized
17p
14.6%
13
Clique
Uncategorized
15p
14.6%
57
Another Contest 2 Problem 1 - Poutine
ACC
15
14.6%
106
Facebook Hacker Cup '15 Round 3 P2 - Lunch Scheduling
FHC
15p
14.6%
7
DMOPC '15 Contest 5 P1 - Gel Bananas
DMOPC
3p
14.7%
225
NOI '08 P5 - Candy Rain
China NOI
30p
14.7%
10
ACSL '09 Practice P1 - Kansas
Uncategorized
7
14.7%
67
Baltic OI '01 P5 - Mars Maps
Baltic OI
15p
14.7%
29
TLE '16 Contest 3 P3 - Mysterious Package
TLE
10p
14.7%
33
ECOO '16 R2 P1 - Palindrome Panic
ECOO
12p
14.7%
88
WC '15 Contest 3 S3 - Rescue Mission
Woburn Challenge
15p
14.7%
12
WC '16 Contest 3 S4 - Replay Value
Woburn Challenge
15p
14.7%
22
Facebook Hacker Cup '14 Final Round P3 - Fortunate Wheels
Uncategorized
40
14.7%
9
Double Doors Regional P3 - Tudor and the Pusheens
Uncategorized
7
14.7%
368
HCI '16 - Stacker
Uncategorized
15p
14.7%
31
Wesley's Anger Contest 1 Problem 6 - Colourful Cactus Ordeal
WAC
25p
14.8%
8
Baltic OI '01 P4 - Knights
Baltic OI
17p
14.8%
8
A Combining Problem
Uncategorized
20
14.8%
19
Primes 2
Uncategorized
15p
14.8%
277
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