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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
WC '01 P3 - Back to the Future
A Math Contest P5 - Good Arrays
GFSSOC '15 Winter S1 - OR-deal
Counting Subsequences
CCC '11 S1 - English or French?
Problem
Category
Points
AC %
▴
Users
CCC '09 J4 - Signage
CCC
7
29.2%
686
CCC '09 S3 - Degrees Of Separation
CCC
10
28.0%
1349
CCC '09 S1 - Cool Numbers
CCC
5
22.8%
2027
CCC '09 S2 - Lights Going On and Off
CCC
10
40.6%
902
CCC '09 S4 - Shop and Ship
CCC
10
21.0%
1034
CCC '09 S5 - Wireless
CCC
12p
34.8%
622
Breaking the Friend Chain
Uncategorized
7
28.9%
185
The Game of Nim
Uncategorized
12p
29.5%
29
CCC '14 S4 - Tinted Glass Window
CCC
15p
29.2%
673
CCC '07 S1 - Federal Voting Age
CCC
3
36.2%
2330
A Times B
Uncategorized
20p
15.8%
124
XOR
Uncategorized
7
41.5%
350
Segment Tree Test
Data Structure Tests
15p
15.6%
343
CCC '14 S5 - Lazy Fox
CCC
20p
17.9%
456
CCC '13 S2 - Bridge Transport
CCC
5
26.7%
2059
CCC '13 S5 - Factor Solitaire
CCC
15p
42.8%
735
Pick It
Uncategorized
15
48.6%
369
CCC '12 S1 - Don't pass me the ball!
CCC
3
56.3%
2241
CCC '12 S2 - Aromatic Numbers
CCC
5
53.4%
1717
CCC '12 S3 - Absolutely Acidic
CCC
7
26.7%
1863
CCC '12 S4 - A Coin Game
CCC
15
27.1%
458
CCC '12 S5 - Mouse Journey
CCC
7
45.6%
1820
Python Infinite Loop
Uncategorized
7p
17.3%
1879
IOI '13 P4 - Cave
IOI
10p
18.6%
311
CCC '11 J5 - Unfriend
CCC
7
46.8%
1003
CCC '11 S3 - Alice Through the Looking Glass
CCC
10p
36.0%
1196
CCC '11 S5 - Switch
CCC
12p
18.3%
415
Halloween '14 P1 - Rabbit Girls
Seasonal
3p
21.3%
538
Halloween '14 P3 - Dog Girls
Seasonal
15p
12.3%
76
Halloween '14 P4 - Fox Girls
Seasonal
20p
7.0%
54
Binary
Uncategorized
5
24.1%
889
The Torture Chamber
Uncategorized
15
16.9%
239
Phantom's Python Challenge
Uncategorized
40p
0.8%
10
The Cosmic Era P4 - Freedom Appears!
Uncategorized
7
18.2%
143
The Cosmic Era P3 - Battle Positions
Uncategorized
7
30.5%
988
DMOPC '13 Contest 1 P5 - Math on Titan
DMOPC
15p
17.0%
40
DMOPC '13 Contest 1 P4 - AFK
DMOPC
7p
26.0%
802
More German Nouns
Uncategorized
7
9.2%
54
The Cosmic Era P1 - Ship
Uncategorized
3
29.1%
1111
The Cosmic Era P2 - Uneven Sand
Uncategorized
5
24.6%
926
CCC '10 S1 - Computer Purchase
CCC
5
14.1%
1326
CCC '10 S2 - Huffman Encoding
CCC
5
53.6%
1576
CCC '10 S3 - Firehose
CCC
15p
18.6%
651
CCC '10 S4 - Animal Farm
CCC
15p
25.6%
529
CCC '10 S5 - Nutrient Tree
CCC
20p
19.7%
269
DMOPC '13 Contest 3 P5 - A Romantic Dinner
DMOPC
10p
45.8%
388
DMOPC '13 Contest 3 P4 - Snowman
DMOPC
15p
12.5%
34
DMOPC '13 Contest 3 P3 - Crossing Field
DMOPC
7p
21.8%
476
DMOPC '13 Contest 3 P1 - Sharing is Caring
DMOPC
5p
34.9%
306
DMOPC '13 Contest 3 P2 - Phone Microwave
DMOPC
7p
27.2%
194
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