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Hot problems
CCC '24 J4 - Troublesome Keys
COCI '22 Contest 4 #1 7Krokods
CCC '24 S2 - Heavy-Light Composition
CCC '19 J3 - Cold Compress
CCC '24 J5 - Harvest Waterloo
COCI '23 Contest 5 #1 Zlagalica
CCC '24 S3 - Swipe
Problem
Category
Points
AC % ▾
Users
DMPG '16 B4 - The Gambler's Legacy
DMOPC
7p
30.3%
42
WC '17 Contest 1 S2 - Ride the Rocket
Woburn Challenge
10p
30.3%
29
Baltic OI '16 P6 - Swap
Baltic OI
15p
30.3%
7
WC '17 Contest 1 S3 - Crosscountry Canada
Woburn Challenge
15p
30.3%
33
WC '97 P4 - Typing
Woburn Challenge
5
30.3%
244
DWITE '12 R2 #1 - Sugar Rush
DWITE
3
30.3%
100
Triway Cup '19 Summer Junior P2 - Thanos Knows the Most
Seasonal
5
30.2%
70
DWITE '07 R3 #2 - There's An Essay In My Code
DWITE
5
30.2%
222
ACM U of T Tryouts C1 E - Foxling Feeding Frenzy
ICPC
7
30.2%
117
TLE '17 Contest 5 P1 - Guess the Number
TLE
3p
30.2%
284
Tree Tasks
Uncategorized
10
30.2%
193
UHCC1 P5 - Binary Triangles
Uncategorized
7p
30.2%
40
COCI '21 Contest 1 #2 Kamenčići
COCI
10p
30.2%
62
COCI '12 Contest 6 #4 Burek
COCI
12p
30.2%
17
Checkerboard Cut
Uncategorized
25p
30.1%
5
Back From Summer '19 P5: ABC123E
Seasonal
17p
30.1%
32
Educational DP Contest AtCoder V - Subtree
Uncategorized
20
30.1%
93
UTS Open '15 #6 - Tetrahedra
Uncategorized
40p
30.1%
26
COCI '20 Contest 5 #2 Po
COCI
7p
30.1%
123
CCO '07 P6 - Road Construction
CCO
20p
30.1%
177
CPC '21 Contest 1 P4 - AQT and Directed Graph
Uncategorized
12p
30.1%
250
DMOPC '15 Contest 3 P3 - Dimethylbenzene
DMOPC
7p
30.1%
306
Dynamic Range Minimum Test
Uncategorized
12
30.1%
410
DMOPC '15 Contest 2 P4 - Personal Assistant
DMOPC
12p
30.1%
244
Yet Another Contest 2 P5 - Mirror Maze
YAC
17p
30.1%
44
MWC '15 #5 P3: French Words
MWC
5p
30.0%
118
A Fenwick Tree Question
Olympiads School
15
30.0%
46
Mock CCC '14 J5 - Spacetime Surfer
Mock CCC
10
30.0%
83
DWITE '11 R3 #2 - Magical Ponds
DWITE
5
30.0%
8
Bitmask Magic
Uncategorized
15p
30.0%
22
WC '97 P1 - Searching Quickly
Woburn Challenge
10
30.0%
10
COI '12 #4 Spijuni
COCI
10p
30.0%
23
Baltic OI '14 P3 - Sequence
Baltic OI
30p
30.0%
4
VM7WC '16 #5 Silver - Jayden Eats Chocolate
VM7WC
7
30.0%
506
Mock CCC '22 Contest 2 J3 - Figure Skating Fun
Mock CCC
5p
30.0%
467
Dynamic Tree Test
Data Structure Tests
45
30.0%
32
Back To School '19: Unstable Books
Seasonal
15p
29.9%
32
CCC '17 J3 - Exactly Electrical
CCC
3p
29.9%
2354
CEOI '17 P5 - Palindromic Partitions
CEOI
15p
29.9%
99
NOI '11 P3 - Ali's Typewriter
China NOI
30p
29.9%
24
IOI '05 P6 - Rivers
IOI
20p
29.9%
283
Baltic OI '03 P5 - Lamps
Baltic OI
15p
29.9%
17
A Math Contest P7 - Factors
Uncategorized
10
29.9%
129
COCI '14 Contest 3 #3 Silueta
COCI
12p
29.9%
38
CCCJQR P4
Seasonal
0
29.9%
28
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
863
Non-space-separated
Uncategorized
10
29.9%
42
STNBD P3 - Rinslet Laurenfrost
Uncategorized
5p
29.8%
132
TLE '17 Contest 7 P2 - Airport Hopping
TLE
5p
29.8%
68
Appleby Contest '19 P2 - The Love Letter
Uncategorized
5p
29.8%
496
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