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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
WC '17 Contest 1 S2 - Ride the Rocket
Woburn Challenge
10p
30.3%
29
WC '17 Contest 1 S1 - On the Rocks
Woburn Challenge
5p
32.9%
85
WC '17 Contest 1 J4 - Canuck Detection
Woburn Challenge
5p
38.0%
118
WC '17 Contest 1 J3 - Stanley
Woburn Challenge
3
52.5%
162
WC '17 Contest 1 J2 - How's the Weather?
Woburn Challenge
3
68.5%
3670
WC '17 Contest 1 J1 - Canadian Accent
Woburn Challenge
3
66.2%
556
WC '16 Finals S5 - Bovine Grenadiers
Woburn Challenge
25p
10.3%
6
WC '16 Finals S4 - Bug Infestation
Woburn Challenge
20p
13.7%
12
WC '16 Finals S3 - Privacy
Woburn Challenge
12p
55.4%
75
WC '16 Finals S2 - Rational Recipes
Woburn Challenge
7p
32.2%
33
WC '16 Finals S1 - Cow-Bot Construction
Woburn Challenge
7p
34.3%
31
WC '16 Finals J2 - Enigmoo
Woburn Challenge
5p
25.9%
31
WC '16 Finals J1 - Fencing
Woburn Challenge
5p
59.6%
49
WC '16 Contest 4 S4 - Hopps and Wilde on the Case
Woburn Challenge
15p
13.4%
18
WC '16 Contest 4 S3 - Night Howlers
Woburn Challenge
15p
20.6%
32
WC '16 Contest 4 S2 - Pawpsicles
Woburn Challenge
12p
30.6%
35
WC '16 Contest 4 S1 - Parking Duty
Woburn Challenge
10p
19.3%
25
WC '16 Contest 4 J2 - You're Dead!
Woburn Challenge
7p
31.3%
43
WC '16 Contest 4 J1 - Anyone Can Be Anything
Woburn Challenge
5p
65.1%
85
WC '16 Contest 3 S4 - Replay Value
Woburn Challenge
15p
14.7%
22
WC '16 Contest 3 S3 - Puzzle Rooms
Woburn Challenge
15p
4.7%
6
WC '16 Contest 3 S2 - Training Regimen
Woburn Challenge
12p
28.4%
103
WC '16 Contest 3 S1 - Cutting Edge
Woburn Challenge
7p
10.1%
28
WC '16 Contest 3 J2 - Pokéwarehouses
Woburn Challenge
7p
12.5%
17
WC '16 Contest 3 J1 - The Elite N
Woburn Challenge
7p
18.6%
33
WC '16 Contest 2 S4 - Diplomacy
Woburn Challenge
17p
13.9%
18
WC '16 Contest 2 S3 - Turbolift Testing
Woburn Challenge
15p
13.0%
17
WC '16 Contest 2 S2 - Away Mission
Woburn Challenge
12p
23.4%
31
WC '16 Contest 2 S1 - Most Illogical
Woburn Challenge
10p
29.0%
63
WC '16 Contest 2 J2 - EHC
Woburn Challenge
7p
11.1%
26
WC '16 Contest 2 J1 - The Perfect Mate
Woburn Challenge
3
27.8%
99
WC '16 Contest 1 S4 - TP
Woburn Challenge
12p
33.8%
31
WC '16 Contest 1 S3 - Tricky's Treats
Woburn Challenge
12p
33.6%
142
WC '16 Contest 1 S2 - Alucard's Quest
Woburn Challenge
10p
27.7%
66
WC '16 Contest 1 S1 - Hide and Seek
Woburn Challenge
10p
10.5%
31
WC '16 Contest 1 J2 - Frankenstein's Monster
Woburn Challenge
5
8.7%
75
WC '16 Contest 1 J1 - A Spooky Season
Woburn Challenge
3
47.5%
4519
WC '15 Finals S5 - Supply Chain
Woburn Challenge
30p
9.8%
2
WC '15 Finals S4 - Server Hacking
Woburn Challenge
20p
26.8%
25
WC '15 Finals S3 - Driving Range
Woburn Challenge
15p
19.3%
13
WC '15 Finals S2 - Hydration
Woburn Challenge
10p
26.9%
116
WC '15 Finals S1 - Fuzzbiz
Woburn Challenge
7p
20.3%
22
WC '15 Finals J2 - The Oxford Comma
Woburn Challenge
5
18.0%
46
WC '15 Finals J1 - Vertical Posting
Woburn Challenge
3
44.7%
241
WC '15 Contest 4 S4 - Stakeout
Woburn Challenge
20p
12.4%
15
WC '15 Contest 4 S3 - Coded Paper
Woburn Challenge
17p
20.4%
20
WC '15 Contest 4 S2 - World Tour
Woburn Challenge
12p
29.2%
30
WC '15 Contest 4 S1 - Shootout
Woburn Challenge
7p
31.0%
39
WC '15 Contest 4 J4 - Target Practice
Woburn Challenge
12p
26.4%
40
WC '15 Contest 4 J2 - Mission Briefing
Woburn Challenge
3
39.3%
124
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