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Random
Hot problems
WC '95 P4 - Wildcard
Pick It
Cheerio Contest 1 S2 - School Expansion
Max's Anger Contest Series 2 P3 - Array Anger
Appleby Contest '19 P5 - Matrix Operation
SAC '22 Code Challenge 5 P2 - Querying Extensions
Max's Anger Contest Series 2 P2 - Password Anger
Problem
Category
Points ▴
AC %
Users
COCI '06 Contest 6 #4 Kamen
COCI
15p
13.2%
44
COCI '06 Contest 6 #5 V
COCI
15p
20.3%
51
DMOPC '16 Contest 4 P6 - Molly and Flying Drones
DMOPC
15p
19.8%
150
Waterloo 2017 Winter D - Vera and Sorting
Waterloo Local
15
46.3%
29
DMPG '17 G5 - Vera and Pets
DMOPC
15p
25.0%
14
TLE '16 Contest 7 P2 - Judging
TLE
15p
14.2%
10
TLE '16 Contest 7 P6 - Everyone Hates Reading
TLE
15
32.7%
65
COCI '07 Contest 1 #4 Zapis
COCI
15p
13.3%
132
TC
Uncategorized
15p
10.8%
32
TLE '16 Contest 8 P5 - Prom Night
TLE
15p
23.1%
128
DMPG '17 G1 - FatalWhale and Candies
DMOPC
15p
13.1%
25
Mock CCO '17 Problem 4 - Guards
Mock CCO
15p
17.2%
52
COCI '07 Contest 2 #4 Turbo
COCI
15p
41.2%
133
COCI '07 Contest 2 #5 Kemija
COCI
15p
21.8%
59
COCI '07 Contest 3 #5 Cudak
COCI
15p
23.1%
142
COCI '07 Contest 4 #5 Poklon
COCI
15p
33.1%
174
COCI '07 Contest 5 #4 Avogadro
COCI
15p
27.8%
88
COCI '07 Contest 5 #5 Barica
COCI
15
33.3%
73
COCI '07 Contest 6 #4 George
COCI
15
52.9%
102
COCI '07 Contest 6 #5 Princeza
COCI
15
30.4%
51
COI '07 #3 Tamnica
COCI
15p
13.0%
29
DMPG '17 S5 - Bit Matrix
DMOPC
15p
35.8%
64
ECOO '17 R3 P4 - Ice Cream Beach
ECOO
15p
18.5%
36
ECOO '15 R3 P2 - Tiling Trouble
ECOO
15p
20.0%
2
THICC '17 P6 - Tunnels
Uncategorized
15p
24.5%
142
IOI '12 P3 - Crayfish Scrivener
IOI
15p
31.0%
82
COCI '08 Contest 5 #5 Tresnja
COCI
15
41.5%
36
COCI '08 Contest 6 #6 Slicice
COCI
15p
44.6%
47
Back To School '17: Sour Candy
Seasonal
15p
28.5%
81
COCI '08 Regional #4 Tablica
COCI
15
34.1%
24
COCI '08 Regional #5 Reljef
COCI
15
52.8%
20
A Harder Game
Uncategorized
15p
8.5%
31
TLE '17 Contest 1 P5 - Cake
TLE
15p
15.0%
26
DMOPC '17 Contest 1 P5 - Intimidating Arrays
DMOPC
15p
33.0%
118
Waterloo 2017 Fall E - English
Waterloo Local
15p
66.7%
4
Summer Institute '17 Contest 3 P4 - Customs
SIUCF
15
41.0%
23
DWITE '10 R5 #4 - New type of wordplay
DWITE
15
5.7%
14
DWITE '08 R5 #4 - Wiring the Server Room
DWITE
15
22.6%
12
ICPC PACNW 2016 G - Maximum Islands
ICPC
15
20.0%
5
ICPC PACNW 2016 J - Shopping
ICPC
15
23.4%
146
ICPC PACNW 2016 L - Windy Path
ICPC
15
22.6%
7
Summer Institute '17 Contest 1 P3 - CEO Queue
SIUCF
15
36.0%
6
DMOPC '17 Contest 2 P6 - Lazy Days
DMOPC
15p
15.4%
36
DMOPC '17 Contest 3 P5 - Picnic Planning
DMOPC
15
23.5%
14
Summer Institute '17 Contest 1 P5 - Crazy Math
SIUCF
15
27.8%
62
COCI '17 Contest 4 #5 Krov
COCI
15p
25.0%
12
TLE '17 Contest 4 P5 - Pascal's Tree
TLE
15p
12.1%
47
New Year's '18 P5 - Hanoi Heuristics
Seasonal
15p
5.4%
9
TLE '17 Contest 5 P4 - Cloning
TLE
15p
6.6%
18
RGPC '18 P4 - Higgs
Uncategorized
15p
18.4%
40
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