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Hot problems
IOI '14 P2 - Wall (Standard I/O)
WC '17 Contest 3 J3 - Uncrackable
CCO '20 P2 - Exercise Deadlines
APIO '16 P1 - Boat
CCC '20 S2 - Escape Room
COCI '15 Contest 2 #3 Artur
TSOC '15 Contest 1 #5 - Giant Ants
Problem
Category
Points
AC %
Users
16 BIT S/W ONLY
Uncategorized
3
36.9%
3107
2048
Uncategorized
15
3.6%
117
2-D Permutations
Uncategorized
10p
24.1%
221
2-Dimensional Range Minimum Query
Classics
17p
18.7%
163
2spooky4me
Uncategorized
7
12.5%
588
Rotations in 3 Dimensions
Uncategorized
12
34.4%
152
Mispelling
Uncategorized
3
11.6%
1682
Mirrored Pairs
Uncategorized
3
25.7%
1512
A20 Gate
Uncategorized
5
30.8%
305
Triple Fat Ladies
Uncategorized
5
29.4%
1820
Sorting
Classics
3
46.4%
4546
An Animal Contest 1 P1 - Alpaca Shapes
AAC
3p
39.5%
3103
An Animal Contest 1 P2 - Alpaca Racing
AAC
5p
8.0%
708
An Animal Contest 1 P3 - Happy Alpacas
AAC
7p
20.3%
616
An Animal Contest 1 P4 - Alpaca Arrays
AAC
10p
12.0%
307
An Animal Contest 1 P5 - Odd Alpacas
AAC
12p
27.1%
150
An Animal Contest 1 P6 - Alpaca Distancing
AAC
12p
19.9%
153
An Animal Contest 2 P0 - Koala Matchmaking
AAC
3
47.3%
1447
An Animal Contest 2 P1 - Koala Konundrum
AAC
5
43.4%
605
An Animal Contest 2 P2 - Koala Party
AAC
5p
16.9%
350
An Animal Contest 2 P3 - Koala Balloons
AAC
12p
14.9%
248
An Animal Contest 2 P4 - Koala Gambling
AAC
12
21.3%
242
An Animal Contest 2 P5 - Koala Carnival
AAC
15p
33.6%
116
An Animal Contest 2 P6 - Koala Transport System
AAC
17p
21.7%
90
An Animal Contest 3 P1 - Monkey Shopping
AAC
3
30.6%
1374
An Animal Contest 3 P2 - Monkey Potato
AAC
5p
18.7%
650
An Animal Contest 3 P3 - Monkey Market
AAC
7
20.9%
474
An Animal Contest 3 P4 - Monkey Mayhem
AAC
7
29.3%
286
An Animal Contest 3 P5 - Monkey Canoe
AAC
12p
18.2%
160
An Animal Contest 3 P6 - Monkey Station
AAC
17
11.8%
52
An Animal Contest 3 P7 - Monkey Lasers
AAC
25p
7.0%
15
An Animal Contest 3 P7 - Monkey Lasers (Up Version)
AAC
25p
19.6%
9
An Animal Contest 3 P8 - Monkey Retirement
AAC
25p
3.5%
11
An Animal Contest 4 P1 - Dasher's Digits
AAC
5p
20.6%
347
An Animal Contest 4 P2 - Lavish Lights
AAC
10
14.4%
258
An Animal Contest 4 P3 - Snowy Slopes
AAC
10
21.0%
159
An Animal Contest 4 P4 - Reindeer Racing
AAC
10p
6.2%
89
An Animal Contest 4 P6 - Cozy Cottages
AAC
20
16.4%
22
An Animal Contest 5 P1 - Bamboo Cookies
AAC
3p
44.0%
726
An Animal Contest 5 P2 - Permutations & Products
AAC
5p
14.5%
329
An Animal Contest 5 P2 (Hard Version) - Permutations & Primes
AAC
10
11.1%
62
An Animal Contest 5 P3 - Ski Resort
AAC
10
12.5%
196
An Animal Contest 5 P4 - Number Game
AAC
12p
7.8%
56
An Animal Contest 5 P5 - Counting Rectangles
AAC
15p
11.9%
60
An Animal Contest 5 P6 - Larry Finally Uses His Magical Powers
AAC
25p
13.3%
63
An Animal Contest 6 P1 - Workout Routine
AAC
5p
15.5%
340
An Animal Contest 6 P2 - G-Pop
AAC
7p
10.5%
160
An Animal Contest 6 P3 - OAC
AAC
12p
13.7%
135
An Animal Contest 6 P4 - Buffet
AAC
20p
7.1%
31
An Animal Contest 6 P5 - Rock Painting
AAC
20p
12.1%
19
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