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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
A Math Contest P5 - Good Arrays
Counting Subsequences
WC '01 P3 - Back to the Future
CCC '24 S2 - Heavy-Light Composition
CCC '11 S1 - English or French?
Problem
Category
Points
AC % ▴
Users
Champion Contest
Uncategorized
7
32.4%
175
TLE '17 Contest 7 P1 - Stargazing
TLE
3p
32.4%
257
Avocado Trees!
Uncategorized
5
32.5%
309
COCI '08 Contest 4 #5 Trezor
COCI
25p
32.5%
50
VMSS Pre-Windsor P2 - Get Off My Lawn
Uncategorized
3
32.5%
219
WC '17 Contest 1 S1 - On the Rocks
Woburn Challenge
5p
32.5%
88
COCI '11 Contest 1 #3 X3
COCI
7p
32.5%
42
ACM U of T Tryouts C1 D - Reverse Fox Hunt
ICPC
10
32.5%
64
CCO Preparation Test 6 P2 - An Easy Problem
Mock CCO
12p
32.5%
204
DWITE '10 R5 #2 - Safe from Rooks
DWITE
5
32.5%
212
COCI '13 Contest 3 #4 Kolinje
COCI
10p
32.5%
10
Another Contest 7 Problem 2 - Code Review
ACC
7p
32.5%
125
DMOPC '20 Contest 2 P1 - Laugh Graphs
DMOPC
5
32.5%
375
DMOPC '14 Contest 2 P4 - Deforestation
DMOPC
5p
32.5%
1795
COCI '07 Regional #2 Nikola
COCI
10
32.5%
217
WC '15 Contest 1 J2 - Grouping Recruits
Woburn Challenge
5
32.5%
166
CCC '04 J1 - Squares
CCC
3
32.5%
6136
BlueBook - Prime
BlueBook
3
32.5%
564
ECOO '19 R2 P4 - Tunnels
ECOO
12p
32.6%
7
OCC '19 S1 - Floor Planning
Uncategorized
3p
32.6%
60
Appleby Contest '19 P3 - A Recursion Problem
Uncategorized
5p
32.6%
258
CCC '22 S5 - Good Influencers
CCC
17p
32.6%
186
CCC '04 S1 - Fix
CCC
5
32.6%
1199
CCO '17 P5 - Professional Network
CCO
20p
32.6%
167
DMPG '17 S1 - Molly and Difference
DMOPC
5p
32.6%
320
COCI '13 Contest 4 #4 Guma
COCI
12p
32.6%
25
CCC '05 J4 - Cross Spiral
CCC
7p
32.6%
581
Strategic Arrays
Uncategorized
15p
32.6%
93
TLE '17 Contest 8 P5 - Battle Plan 2
TLE
20p
32.6%
40
Baltic OI '12 P1 - Brackets
Baltic OI
15p
32.7%
12
Appleby Contest '19 P5 - Matrix Operation
Uncategorized
10p
32.7%
304
TLE '16 Contest 7 P6 - Everyone Hates Reading
TLE
15
32.7%
65
COCI '17 Contest 1 #1 Cezar
COCI
3
32.7%
755
DMOPC '20 Contest 2 P3 - Roadrollification
DMOPC
10p
32.7%
124
Fair Competition
Olympiads School
5
32.7%
121
GFSSOC '15 Winter J1 - Festive Fardin
GFSSOC
3
32.7%
390
CCC '01 S1 - Keeping Score
CCC
5
32.7%
1504
Baltic OI '18 P6 - Paths
Baltic OI
15p
32.8%
99
COCI '21 Contest 3 #4 Ekoeko
COCI
15p
32.8%
41
DMOPC '14 Contest 7 P6 - Revenge of the Bins
DMOPC
20p
32.8%
115
COCI '23 Contest 1 #5 Mostovi
COCI
30p
32.8%
10
Baltic OI '19 P2 - Nautilus
Baltic OI
15p
32.8%
68
Revenge of the Digger
Uncategorized
20p
32.8%
62
BlueBook - Days
BlueBook
3
32.8%
261
Calendar Contest Problem 1 — Sexagenary Cycle
Seasonal
5
32.8%
68
BlueBook - Mode
BlueBook
3
32.8%
357
WC '01 Suicidal P6 - Blind Date
Woburn Challenge
20p
32.8%
10
Back To School '18: The Golden Porcupine
Seasonal
15p
32.8%
210
JOI '14 Open P1 - Factories
JOI
20p
32.9%
156
Waterloo 2023 Winter A - So I'll Max Out My Constructive Algorithm Skills
Waterloo Local
5
32.9%
23
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