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Hot problems
CCC '15 S3 - Gates
CCC '16 S4 - Combining Riceballs
CCC '23 J3 - Special Event
ECOO '19 R1 P1 - Free Shirts
Mock CCC '20 Contest 1 J4 - A Binary Problem
Problem
Category
Points
AC %
Users
Mock CCC '15 S3 - The Tachyon Trap
Mock CCC
12p
18.7%
66
Mock CCC '15 S4 - Ice Pillars
Mock CCC
15p
28.9%
107
Mock DWITE '09 P4 - Lights Out!
Uncategorized
15p
22.2%
36
Mock DWITE '09 P5 - Traffic Lights
Uncategorized
15p
27.5%
14
Mock ECOO '14 P1 - Do You Want to Build a Snowman?
ECOO
12
8.5%
56
Monkey Cards
Uncategorized
12
31.5%
29
Monkey Motel
Uncategorized
12p
21.5%
23
Moses Needs Help
Uncategorized
12p
16.8%
14
MWC '15 #7 P3: Blue and Green
MWC
15p
15.0%
38
MWC '15 #8 P3: Draw Down
MWC
12p
15.6%
15
ICPC NAQ 2016 B - Arcade!
ICPC
15
26.2%
13
ICPC NAQ 2016 D - Brackets
ICPC
15
16.4%
65
ICPC NAQ 2016 L - Unusual Darts
ICPC
15
13.2%
12
Mock CCC '22 2 S3 - Kaguya Wants to Analyze the Academy Anthem
Mock CCC
12p
7.8%
41
Mock CCC '22 2 S4 - Kaguya Wants to Build a Great Wall
Mock CCC
15p
7.5%
8
Mock CCC '23 1 S4 - Roger Says Yabe
Mock CCC
15p
7.2%
20
Mock CCC '23 2 S4 - Roger Says Yabe
Mock CCC
15p
19.0%
7
Mock CCC '18 Contest 1 S4 - A Graph Problem
Mock CCC
12p
20.2%
103
Mock CCC '18 Contest 1 S5 - A Palindrome Problem
Mock CCC
15p
8.5%
18
Mock CCC '18 Contest 2 S4 - A Tree Problem
Mock CCC
12p
17.4%
66
Mock CCC '18 Contest 2 S5 - A Link/Cut Tree Problem
Mock CCC
15p
23.0%
94
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri
Mock CCC
12p
5.2%
54
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume
Mock CCC
12
17.7%
102
Mock CCC '19 Contest 2 S5 - Tudor Takes Pictures of Goats
Mock CCC
15
6.8%
14
Mock CCC '21 S4 - Infinite Molecule
Mock CCC
12p
8.1%
29
Mock CCO '18 Contest 1 Problem 6 - A Combining Problem
Mock CCO
15p
17.5%
81
Mock CCO '18 Contest 2 Problem 1 - Victor Runs
Mock CCO
15p
16.0%
46
Mock CCO '18 Contest 3 Problem 1 - Roger Meets For DMPG
Mock CCO
15p
10.1%
13
Mock CCO '18 Contest 3 Problem 5 - Roger Outsources DMOJ Work
Mock CCO
15p
12.1%
10
Mock CCO '18 Contest 4 Problem 1 - Mining for Minerals
Mock CCO
15p
13.6%
41
Mock CCO '18 Contest 4 Problem 2 - Sunken Colonies
Mock CCO
15p
43.5%
38
Mock CCO '18 Contest 4 Problem 3 - Counterattack
Mock CCO
15p
23.6%
287
Mock CCO '18 Contest 4 Problem 4 - Time Travel
Mock CCO
15p
28.5%
57
Mock CCO '18 Contest 4 Problem 6 - Splitting Drones
Mock CCO
15p
33.8%
40
ICPC NEERC 2010 D - Dome of Circus
ICPC
15p
24.7%
8
ICPC NEERC 2010 E - Evacuation Plan
ICPC
15p
12.5%
7
ICPC NEERC 2010 F - Factorial Simplification
ICPC
15p
26.1%
5
ICPC NEERC 2010 H - Hands of Poker
ICPC
15p
37.5%
3
ICPC NEERC 2010 K - Graph Oddity
ICPC
12p
30.6%
21
ICPC NEERC 2014 I - Improvements
ICPC
15
30.8%
4
NOI '00 P2 - Program Parser
China NOI
12p
16.0%
13
NOI '01 P1 - Food Chain
China NOI
15p
25.7%
91
NOI '01 P3 - The Clever Typist
China NOI
15p
27.9%
41
NOI '01 P4 - Applications of Arctangent
China NOI
15
29.0%
87
NOI '01 P5 - Equation Solutions
China NOI
15p
8.5%
69
NOI '01 P6 - Secret of the Meteorite
China NOI
15p
19.6%
26
NOI '02 P1 - Legend of the Galactic Heroes
China NOI
15p
20.9%
78
NOI '02 P2 - Naughty Kid
China NOI
15p
22.4%
15
NOI '02 P5 - New Tetris
China NOI
15p
4.1%
3
NOI '03 P1 - Stick Game
China NOI
15p
21.4%
24
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