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Random
Hot problems
CCC '19 S2 - Pretty Average Primes
UACC 1 P3 - Cheeky Checkers
Knapsack 4
IOI '06 P2 - Pyramid
Lil' Jami
CCC '24 J5 - Harvest Waterloo
COCI '10 Contest 2 #2 Napor
Problem
Category
Points
AC %
▴
Users
Primes 3
Uncategorized
15p
11.0%
76
You Might be a Redneck
Uncategorized
10p
8.8%
20
Pillaging
Uncategorized
10p
14.0%
35
Revenge of the Clocks
Uncategorized
15
50.0%
12
CCC '06 J5 - CCC Othello
CCC
10p
36.0%
228
Sum of Primes 2
Uncategorized
5p
21.4%
332
IOI '11 P1 - Tropical Garden (Standard I/O)
IOI
25p
11.8%
166
IOI '11 P2 - Race (Standard I/O)
IOI
17p
15.2%
528
IOI '11 P3 - Rice Hub (Standard I/O)
IOI
15p
19.5%
496
IOI '11 P4 - Crocodile's Underground City (Standard I/O)
IOI
17p
19.1%
374
IOI '11 P5 - Dancing Elephants (Standard I/O)
IOI
20p
10.6%
93
Path Finder 2: Electric Boogaloo
Uncategorized
15p
23.0%
26
ICPC NEERC Northern Subregional 2007 E - Elevator
ICPC
17
16.4%
74
Knapsack 4
ICPC
20
20.8%
56
CCO '03 P6 - Cheap Gas
CCO
20p
13.1%
79
ICPC SWERC 2017 A - Cakey McCakeFace
ICPC
5
39.6%
11
ICPC SWERC 2017 B - Table
ICPC
20
44.4%
3
ICPC SWERC 2017 C - Macarons
ICPC
17
28.6%
2
ICPC SWERC 2017 D - Candy Chain
ICPC
15
27.8%
17
ICPC SWERC 2017 F - Shattered Cake
ICPC
3
66.9%
55
ICPC SWERC 2017 G - Cordon Bleu
ICPC
17
50.0%
5
ICPC SWERC 2017 H - Kabobs
ICPC
35
27.3%
3
ICPC SWERC 2017 I - Burglary
ICPC
20
9.1%
1
IOI '04 P2 - Hermes (Hard)
IOI
20p
8.1%
9
IOI '12 P2 - Parachute Rings (Standard I/O)
IOI
25p
11.5%
111
IOI '12 P3 - Crayfish Scrivener (Standard I/O)
IOI
15p
16.8%
276
IOI '13 P1 - Dreaming (Standard I/O)
IOI
15p
18.5%
529
IOI '13 P2 - Art Class (Standard I/O)
IOI
20p
2.7%
89
IOI '13 P3 - Wombats (Standard I/O)
IOI
40p
9.5%
60
IOI '13 P5 - Robots (Standard I/O)
IOI
20p
15.0%
278
IOI '13 P6 - Game (Standard I/O)
IOI
17p
8.4%
150
IOI '14 P2 - Wall (Standard I/O)
IOI
20p
15.9%
286
IOI '14 P4 - Gondola (Standard I/O)
IOI
15
8.5%
222
IOI '14 P5 - Friend (Standard I/O)
IOI
30p
18.2%
188
IOI '14 P6 - Holiday (Standard I/O)
IOI
30
12.2%
132
IOI '15 P1 - Boxes with Souvenirs (Standard I/O)
IOI
15p
8.3%
188
IOI '15 P3 - Teams (Standard I/O)
IOI
35p
3.4%
37
IOI '15 P4 - Horses (Standard I/O)
IOI
15p
7.6%
162
IOI '15 P5 - Sorting (Standard I/O)
IOI
25p
18.6%
186
IOI '16 P1 - Detecting Molecules (Standard I/O)
IOI
12p
14.1%
230
IOI '16 P2 - Roller Coaster Railroad (Standard I/O)
IOI
35p
12.5%
25
IOI '16 P3 - Shortcut (Standard I/O)
IOI
40p
1.8%
7
IOI '16 P4 - Paint by Numbers (Standard I/O)
IOI
15p
10.0%
63
IOI '16 P6 - Aliens (Standard I/O)
IOI
30p
6.0%
62
Attraction
Uncategorized
10p
20.0%
74
CCC '02 S4 - Bridge Crossing (Hard)
CCC
20
8.6%
32
IOI '10 P6 - Traffic Congestion (Standard I/O)
IOI
10p
33.1%
415
IOI '10 P3 - Quality of Living (Standard I/O)
IOI
15p
28.0%
336
CCC '00 S5 - Sheep and Coyotes (Hard)
CCC
20
5.6%
21
ICPC PACNW 2010 I - Zombie Fences 2: Electric Boogaloo
ICPC
35p
11.8%
2
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