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Hot problems
CCC '24 S2 - Heavy-Light Composition
SAC '22 Code Challenge 5 P2 - Querying Extensions
Max's Anger Contest Series 2 P2 - Password Anger
CCC '12 S2 - Aromatic Numbers
The Cosmic Era P2 - Uneven Sand
CCC '20 J4 - Cyclic Shifts
CCC '13 J4 - Time on task
Problem
Category
Points ▴
AC %
Users
NOI '01 P3 - The Clever Typist
China NOI
15p
31.1%
39
NOI '98 P4 - Scarf Cutting
China NOI
15p
24.5%
8
NOI '99 P4 - Chessboard Division
China NOI
15p
20.3%
14
NOI '01 P6 - Secret of the Meteorite
China NOI
15p
27.4%
26
NOI '98 P2 - Free Pizza
China NOI
15p
17.7%
12
NOI '14 P4 - Zoo
China NOI
15p
27.8%
77
NOI '05 P4 - CongCong and KoKo
China NOI
15p
19.9%
59
NOI '97 P5 - Building Game
China NOI
15p
27.1%
23
NOI '08 P1 - Masquerade Party
China NOI
15p
9.1%
23
Good Code
Uncategorized
15
12.3%
24
NOI '99 P5 - Optimally Connected Subset
China NOI
15p
72.0%
18
NOI '02 P1 - Legend of the Galactic Heroes
China NOI
15p
20.3%
74
NOI '03 P1 - Stick Game
China NOI
15p
21.1%
21
NOI '07 P1 - Social Network
China NOI
15p
33.4%
83
NOI '12 P1 - Random Number Generator
China NOI
15p
24.8%
60
NOI '02 P5 - New Tetris
China NOI
15p
4.1%
3
Boxlings
Uncategorized
15p
16.9%
43
IOI '95 P4 - Letter Game
IOI
15p
26.9%
33
IOI '95 Practice Task 1 - Fence Factory
IOI
15p
21.7%
10
IOI '95 P5 - Street Race
IOI
15p
24.1%
39
IOI '95 P2 - Shopping Offers
IOI
15p
27.5%
42
IOI '95 P1 - Packing Rectangles
IOI
15p
45.3%
26
IOI '98 P6 - Polygon
IOI
15
32.0%
61
IOI '98 P5 - Camelot
IOI
15p
40.6%
51
IOI '98 P2 - Starry Night
IOI
15
41.3%
28
IOI '99 P5 - Flatten
IOI
15p
21.8%
16
IOI '99 P4 - Traffic Lights
IOI
15
31.1%
28
COCI '09 Contest 4 #6 Palacinke
COCI
15
41.2%
24
IOI '00 P5 - Post Office
IOI
15p
40.6%
183
IOI '00 P2 - Car Parking
IOI
15p
17.7%
53
IOI '02 P1 - The Troublesome Frog
IOI
15p
16.5%
78
IOI '04 P5 - Farmer
IOI
15p
13.3%
210
IOI '04 P1 - Artemis
IOI
15p
6.9%
68
IOI '03 Practice Task 1 - Balancing Act
IOI
15
46.6%
125
IOI '04 P2 - Hermes
IOI
15p
23.5%
188
ACSL '09 Practice P7 - Cube
Uncategorized
15
16.1%
27
ICPC NEERC 2010 F - Factorial Simplification
ICPC
15p
26.7%
4
ICPC NEERC 2010 E - Evacuation Plan
ICPC
15p
12.7%
6
ICPC NEERC 2010 D - Dome of Circus
ICPC
15p
25.7%
6
ICPC NEERC 2010 H - Hands of Poker
ICPC
15p
37.5%
3
SMAC 08/09 (Nov) #3 - Factor Game
Uncategorized
15
23.9%
49
SMAC 08/09 (Oct) #4 - Daycare
Uncategorized
15p
4.5%
20
CCO '03 P2 - Concentration Cards
CCO
15
36.1%
31
King Graff's Trip
Uncategorized
15p
8.2%
47
King Graff's Defense
Uncategorized
15p
8.5%
59
Mock CCC '14 S5 - Elimination Game
Mock CCC
15p
21.8%
56
Mock CCC '14 S4 - Roadtrip Tracking
Mock CCC
15p
9.0%
57
COCI '09 Contest 5 #4 Zuma
COCI
15
46.5%
71
Median Modulo
Uncategorized
15p
7.3%
7
Data Compression
Uncategorized
15p
0.0%
0
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