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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
WC '01 P3 - Back to the Future
A Math Contest P5 - Good Arrays
Counting Subsequences
GFSSOC '15 Winter S1 - OR-deal
CCC '11 S1 - English or French?
Problem
Category
Points
AC % ▾
Users
DMOPC '22 Contest 5 P6 - Threes and Twos
DMOPC
20p
20.0%
54
Yet Another Contest 7 P1 - Page Turning
YAC
5p
20.0%
276
DMOPC '19 Contest 4 P3 - Taking Cues
DMOPC
12p
20.0%
77
GlobeX Cup '18 S2 - Test Scores
Uncategorized
7p
20.0%
111
2-Dimensional Range Minimum Query
Classics
17p
19.9%
133
An Animal Contest 2 P4 - Koala Gambling
AAC
12
19.9%
198
DMPG '19 B6 - Oddity
DMOPC
10
19.9%
55
Mock CCC '18 Contest 1 S4 - A Graph Problem
Mock CCC
12p
19.9%
97
ACM U of T Tryouts C1 B - The Foxen's Treasure
ICPC
5
19.9%
136
DMOPC '21 Contest 8 P1 - Peanut Planning
DMOPC
7p
19.9%
213
GFSSOC '15 Winter S3 - PalinDrone
GFSSOC
7p
19.9%
208
NOI '05 P4 - CongCong and KoKo
China NOI
15p
19.9%
59
ECOO '19 R2 P3 - Ribbon
ECOO
15p
19.8%
13
DWITE '09 R1 #5 - Running In Circles
DWITE
7
19.8%
316
WC '18 Finals S3 - Screen Time
Woburn Challenge
15p
19.8%
23
TLE '16 Contest 7 P4 - Abstract Problem
TLE
10p
19.8%
152
Next Prime
Classics
5
19.8%
2185
NOI '09 P1 - Transformed Sequence
China NOI
20p
19.8%
37
DMOPC '21 Contest 9 P4 - Ace of Diamonds
DMOPC
20p
19.8%
44
DMOPC '20 Contest 4 P3 - Roving Roombas
DMOPC
12p
19.8%
182
RGPC '17 P3 - Intercept
Uncategorized
7
19.8%
43
BSSPC '21 S1 - Lakshy and Palindromic Rectangle
Uncategorized
5p
19.8%
184
Rectangle Counting
Uncategorized
17p
19.8%
64
WOSS Dual Olympiad 2022 S2: Festive Card Game
Seasonal
7p
19.8%
62
COCI '10 Contest 4 #4 Prosjek
COCI
7p
19.8%
16
Wesley's Anger Contest 6 Problem 8 - Crystal Disco
WAC
30p
19.8%
9
DMOPC '16 Contest 4 P6 - Molly and Flying Drones
DMOPC
15p
19.8%
150
Baltic OI '14 P6 - Senior Postmen
Baltic OI
15p
19.8%
14
ICPC ECNA 2016 B - Foosball Dynasty
ICPC
10
19.7%
12
Back To School '17: Wet Mud
Seasonal
10p
19.7%
329
COCI '08 Contest 5 #4 Lubenica
COCI
12p
19.7%
54
DMOPC '19 Contest 5 P5 - Crazy Cyclic Coincidences
DMOPC
17p
19.7%
43
CCC '10 S5 - Nutrient Tree
CCC
20p
19.7%
269
COCI '19 Contest 4 #2 Spiderman
COCI
7p
19.7%
51
CCC '04 S4 - Space Turtle
CCC
10p
19.7%
185
DWITE '08 R4 #5 - Blow your mind with 4th D
DWITE
7
19.7%
13
DMOPC '20 Contest 6 P4 - Land of the Carrot Trees II
DMOPC
17p
19.7%
36
APIO '16 P1 - Boat
APIO
20p
19.7%
51
Baltic OI '18 P1 - Love Polygon
Baltic OI
20p
19.7%
40
Appleby Contest '19 P4 - Rectangles
Uncategorized
7p
19.7%
202
Singularity Cup P6 - Explosive Breakout
Uncategorized
30p
19.7%
15
CCC '07 J5 - Keep on Truckin'
CCC
7
19.7%
1073
TLE '16 Contest 1 P6 - A Very Normal Test
TLE
25p
19.6%
22
SAC '22 Code Challenge 1 P4 - That Problem
SAC Coding Challenge
7p
19.6%
75
DMOPC '17 Contest 1 P6 - Land of the Carrot Trees
DMOPC
20p
19.6%
38
COCI '07 Contest 6 #3 Granica
COCI
10p
19.6%
243
Wesley's Anger Contest 5 Problem 3 - Super Squirrel Sisters
WAC
12p
19.6%
113
COI '10 #1 Sort
COCI
10p
19.6%
14
CCO '22 P6 - Good Game
CCO
35p
19.6%
12
APIO '10 P3 - Signaling
APIO
25p
19.6%
45
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