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Hot problems
COCI '14 Contest 6 #4 Kratki
Educational DP Contest AtCoder L - Deque
Wesley's Anger Contest 1 Problem 5 - Rule of Four
CCO '23 P1 - Binaria
CCC '04 S4 - Space Turtle
CCOQR '16 - Stupendous Bowties
Educational DP Contest AtCoder B - Frog 2
Problem
Category
Points
AC % ▴
Users
Wesley's Anger Contest 4 Problem 3 - Squirrel Tag
WAC
12p
15.5%
73
WC '02 Suicidal P2 - Klingon Roulette
Woburn Challenge
10
15.6%
6
Baltic OI '11 P8 - Tree Mirroring
Baltic OI
35p
15.6%
7
COCI '08 Contest 2 #5 Setnja
COCI
7p
15.6%
91
TLE '17 Contest 1 P2 - Willson and Food
TLE
5p
15.6%
152
Path Finder
Uncategorized
10p
15.6%
98
Segment Tree Test
Data Structure Tests
15p
15.6%
341
TLE '16 Contest 5 P2 - Playing Piano
TLE
10p
15.6%
26
TLE '16 Contest 4 P5 - Buying Gifts
TLE
17p
15.6%
18
Matchings
POI
30p
15.6%
3
Permutation Sorting
Olympiads School
20p
15.6%
12
String Finding
Uncategorized
5
15.6%
420
Singularity Cup P1 - Maximum Permutation Product
Uncategorized
5p
15.6%
284
COCI '11 Contest 2 #4 KompičI
COCI
7p
15.6%
25
New Year's '16 P3 - Arithmetic Snowman
Seasonal
5p
15.7%
226
IOI '05 P4 - Birthday
IOI
12p
15.7%
141
DMPG '17 B1 - Whale and Soul
DMOPC
3
15.7%
177
BSSPC '21 J6 - Lakshy and Orz Trees
Uncategorized
12
15.7%
81
NOI '05 P6 - Lemon Tree Under the Moon
China NOI
30
15.7%
9
SAC '22 Code Challenge 5 P5 - Querying Rectangles
SAC Coding Challenge
15p
15.7%
36
NOI '10 P3 - Altitude
China NOI
20p
15.7%
14
NOI '03 P4 - Data Generator
China NOI
20p
15.7%
71
TSOC '16 Contest 2 #5 - Last Trip to Surface
TSOC
20
15.7%
17
Bubble Cup V9 A Cowboy Beblop at his computer
Bubble Cup
35
15.7%
8
CPC '21 Contest 1 P5 - AQT and Modern Art
Uncategorized
15p
15.8%
45
GFSSOC '15 Fall S4 - Mostly Talking
GFSSOC
15p
15.8%
375
CPC '19 Contest 1 P3 - Admiral Kuznetsov
Uncategorized
12p
15.8%
76
MWC '15 #8 P3: Draw Down
MWC
12p
15.8%
14
CCCHK '15 S3 - Symmetric Cross
CCC
12p
15.8%
19
Circular Numbers
Uncategorized
10
15.8%
11
Liars
Uncategorized
15p
15.8%
9
Yet Another Contest 1 P6 - Alchemy
YAC
20p
15.8%
14
JOI '14 Open P6 - Secret
JOI
17p
15.8%
116
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem
Mock CCO
12p
15.8%
28
NOI '10 P2 - Super Piano
China NOI
25p
15.8%
149
COCI '07 Contest 5 #2 Pascal
COCI
5
15.8%
188
CCO '03 P5 - Longest Substring
CCO
7p
15.8%
86
A Times B
Uncategorized
20p
15.8%
122
SAC '22 Code Challenge 3 P5 - Chat Corrections
SAC Coding Challenge
12p
15.8%
42
DMOPC '22 Contest 5 P3 - Sorted XOR
DMOPC
12p
15.9%
68
VM7WC '15 #3 Gold - Pollos
VM7WC
12
15.9%
48
Yet Another Contest 5 P3 - Potted Plants
YAC
12p
15.9%
65
Mock CCC '14 S2 - Sleep Cycle
Mock CCC
7p
15.9%
103
IOI '14 P2 - Wall (Standard I/O)
IOI
20p
15.9%
286
Wesley's Anger Contest 4 Problem 6 - Hungry Squirrels
WAC
25p
15.9%
21
DMOPC '22 Contest 1 P4 - Card Game
DMOPC
12p
15.9%
63
APIO '12 P2 - Guard
APIO
20p
15.9%
42
DMOPC '21 Contest 8 P4 - Grid Operations
DMOPC
25p
15.9%
17
Fast Factorial Calculator
Uncategorized
7
15.9%
540
NOI '06 P3 - Millennium Worm
China NOI
25p
15.9%
7
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