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Hot problems
COCI '13 Contest 1 #5 Organizator
CCC '24 S4 - Painting Roads
CCC '00 S1 - Slot Machines
CCC '21 S2 - Modern Art
CCC '13 S1 - From 1987 to 2013
COCI '08 Contest 3 #2 Kemija
IOI '06 P4 - The Valley of Mexico
Problem
Category
Points
AC %
Users
CCC '05 S4 - Pyramid Message Scheme
CCC
10
35.7%
855
CCC '05 S5 - Pinball Ranking
CCC
12p
19.4%
767
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.1%
7711
CCC '06 J2 - Roll the Dice
CCC
3
27.2%
3190
CCC '06 J3 - Cell-Phone Messaging
CCC
3
41.5%
1541
CCC '06 J4 - It's tough being a teen!
CCC
7
41.7%
1285
CCC '06 J5 - CCC Othello
CCC
10p
36.7%
242
CCC '06 S1 - Maternity
CCC
5
37.5%
1175
CCC '06 S2 - Attack of the CipherTexts
CCC
5
5.6%
277
CCC '06 S3 - Tin Can Telephone
CCC
12
20.6%
543
CCC '06 S4 - Groups
CCC
10
45.1%
347
CCC '06 S5 - Origin of Life
CCC
15
19.6%
128
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9734
CCC '07 J2 - I Speak TXTMSG
CCC
3
21.7%
2404
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
32.4%
3496
CCC '07 J4 - Anagram Checker
CCC
5
37.3%
2228
CCC '07 J5 - Keep on Truckin'
CCC
7
19.8%
1118
CCC '07 S1 - Federal Voting Age
CCC
3
36.1%
2400
CCC '07 S2 - Boxes
CCC
5
27.4%
1278
CCC '07 S3 - Friends
CCC
7
37.4%
1761
CCC '07 S4 - Waterpark
CCC
7
31.2%
1563
CCC '07 S5 - Bowling for Numbers
CCC
10p
30.2%
899
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5823
CCC '08 J2 - Do the Shuffle
CCC
3
43.1%
3692
CCC '08 J3 - GPS Text Entry
CCC
3
55.3%
1422
CCC '08 J4 - From Prefix to Postfix
CCC
7
42.9%
926
CCC '08 S1 - It's Cold Here!
CCC
5
37.6%
2256
CCC '08 S2 - Pennies in the Ring
CCC
5
30.8%
1227
CCC '08 S3 - Maze
CCC
7
29.3%
1623
CCC '08 S4 - Twenty-four
CCC
10
25.5%
867
CCC '08 S5 - Nukit
CCC
10p
37.3%
731
CCC '09 J1 - ISBN
CCC
3
47.3%
3885
CCC '09 J2 - Old Fishin' Hole
CCC
5
38.5%
1718
CCC '09 J3 - Good Times
CCC
5
20.4%
1461
CCC '09 J4 - Signage
CCC
7
29.1%
717
CCC '09 S1 - Cool Numbers
CCC
5
22.9%
2078
CCC '09 S2 - Lights Going On and Off
CCC
10
41.0%
927
CCC '09 S3 - Degrees Of Separation
CCC
10
28.0%
1398
CCC '09 S4 - Shop and Ship
CCC
10
20.9%
1051
CCC '09 S5 - Wireless
CCC
12p
35.2%
651
CCC '10 J1 - What is n, Daddy?
CCC
3p
29.4%
4023
CCC '10 J2 - Up and Down
CCC
5
22.0%
2164
CCC '10 J3 - Punchy
CCC
5
33.0%
1478
CCC '10 J4 - Global Warming
CCC
5p
22.7%
1099
CCC '10 J5 - Knight Hop
CCC
7
36.7%
2499
CCC '10 S1 - Computer Purchase
CCC
5
14.3%
1383
CCC '10 S2 - Huffman Encoding
CCC
5
53.3%
1674
CCC '10 S3 - Firehose
CCC
15p
18.9%
706
CCC '10 S4 - Animal Farm
CCC
15p
25.7%
542
CCC '10 S5 - Nutrient Tree
CCC
20p
19.8%
276
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