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Hot problems
Knapsack 4
IOI '04 P4 - Phidias
WC '17 Contest 3 J3 - Uncrackable
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist
DMOPC '18 Contest 1 P2 - Sorting
IOI '07 P4 - Miners
IOI '94 P1 - The Triangle
Problem
Category ▾
Points
AC %
Users
WC '16 Finals S1 - Cow-Bot Construction
Woburn Challenge
7p
34.3%
31
WC '15 Contest 2 J3 - Return of the Jedi
Woburn Challenge
5
28.0%
65
WC '18 Contest 2 S4 - Car Convergence Chaos
Woburn Challenge
25p
1.6%
2
WC '17 Contest 2 S2 - Don't Follow the Lights
Woburn Challenge
12p
40.0%
36
WC '17 Contest 4 J4 - Efficiency
Woburn Challenge
5
48.8%
68
WC '16 Contest 4 J1 - Anyone Can Be Anything
Woburn Challenge
5p
65.1%
85
WC '98 P6 - Return of the Plachta
Woburn Challenge
5
23.5%
145
WC '17 Contest 4 J3 - The Infinity Stones
Woburn Challenge
3p
58.5%
175
WC '01 Suicidal P2 - Temptation Island
Woburn Challenge
10
29.2%
28
WC '17 Contest 2 S3 - Battle of the Pelennor Fields
Woburn Challenge
12p
34.4%
30
WC '16 Contest 1 S3 - Tricky's Treats
Woburn Challenge
12p
33.5%
142
WC '18 Contest 4 S1 - World of StarCraft
Woburn Challenge
10p
48.8%
247
WC '15 Contest 3 J2 - Electroshock Therapy
Woburn Challenge
5
52.9%
88
WC '17 Finals S3 - Explosive Ordinance Disposal
Woburn Challenge
15p
24.4%
19
WC '01 P2 - The Island Of Dr. Strangelove
Woburn Challenge
10
38.5%
8
WC '98 P5 - Y2K
Woburn Challenge
10
33.8%
31
WC '01 P1 - The Rock
Woburn Challenge
7
77.2%
24
WC '99 Suicidal P2 - Good Hunting Will
Woburn Challenge
20p
0.5%
1
WC '01 Suicidal P5 - The Mole
Woburn Challenge
15p
15.1%
10
WC '97 P1 - Searching Quickly
Woburn Challenge
10
30.0%
10
WC '17 Contest 1 S2 - Ride the Rocket
Woburn Challenge
10p
30.3%
29
WC '99 Suicidal P5 - Star Wars
Woburn Challenge
15
37.7%
13
WC '16 Contest 4 S2 - Pawpsicles
Woburn Challenge
12p
30.6%
35
WC '01 P5 - The Man With The Golden Eye
Woburn Challenge
12
16.1%
16
WC '95 P4 - Wildcard
Woburn Challenge
10
40.4%
31
WC '17 Contest 2 J1 - The Rings of Power
Woburn Challenge
3
66.9%
302
WC '96 P3 - Hidden Geography
Woburn Challenge
5
32.0%
121
WC '16 Finals J1 - Fencing
Woburn Challenge
5p
59.6%
49
WC '17 Finals S2 - Cowmmunication Network
Woburn Challenge
12p
27.3%
51
WC '97 P3 - Stacks of Flapjacks
Woburn Challenge
15p
31.4%
8
WC '16 Finals S2 - Rational Recipes
Woburn Challenge
7p
32.2%
33
WC '99 Suicidal P4 - Good Ethan Hunt
Woburn Challenge
15
17.8%
18
WC '16 Finals S4 - Bug Infestation
Woburn Challenge
20p
13.7%
12
WC '98 P1 - Optical Recognition
Woburn Challenge
12
22.2%
4
WC '07 P5 - BitStrings
Woburn Challenge
10p
26.1%
32
WC '18 Contest 2 J3 - Seeing Double
Woburn Challenge
3p
58.6%
116
WC '02 P5 - Intercepted Cowmmunication
Woburn Challenge
5
35.5%
66
WC '16 Finals S5 - Bovine Grenadiers
Woburn Challenge
25p
10.3%
6
WC '17 Finals S1 - An Interspecific Army
Woburn Challenge
5p
54.6%
205
WC '16 Contest 2 S2 - Away Mission
Woburn Challenge
12p
23.4%
31
WC '18 Finals S1 - Behind the Scenes
Woburn Challenge
7p
38.9%
46
WC '18 Contest 3 S3 - Counterpicking
Woburn Challenge
15p
7.8%
13
WC '17 Contest 1 S1 - On the Rocks
Woburn Challenge
5p
32.5%
88
WC '16 Contest 3 J1 - The Elite N
Woburn Challenge
7p
18.6%
33
WC '15 Contest 2 S4 - The Force Awakens (Senior)
Woburn Challenge
30p
6.8%
13
WC '99 P4 - Goldfinger
Woburn Challenge
5
33.6%
97
WC '17 Contest 1 J1 - Canadian Accent
Woburn Challenge
3
66.1%
558
WC '16 Contest 1 S4 - TP
Woburn Challenge
12p
33.8%
31
WC '17 Contest 3 J4 - Meme Generator
Woburn Challenge
7
20.3%
21
WC '17 Contest 4 S1 - Wakandan Sabotage
Woburn Challenge
10p
19.1%
26
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