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Hot problems
WC '01 P3 - Back to the Future
DWITE '10 R3 #3 - Dominos Tiling
A Math Contest P5 - Good Arrays
GFSSOC '15 Winter S1 - OR-deal
Counting Subsequences
DMOPC '21 Contest 8 P1 - Peanut Planning
CCC '13 S1 - From 1987 to 2013
Problem
Category
Points
AC %
▴
Users
Guess the Sequence
Uncategorized
3p
5.9%
187
CCC '11 J1 - Which Alien?
CCC
3
35.6%
6393
CCC '05 J1 - The Cell Sell
CCC
3
8.0%
1454
CCC '05 J2 - RSA Numbers
CCC
3
40.8%
2981
CCC '05 J3 - Returning Home
CCC
5
37.2%
2364
CCC '05 J5 - Bananas
CCC
10
21.6%
1471
CCC '06 J2 - Roll the Dice
CCC
3
27.1%
3042
CCC '06 S5 - Origin of Life
CCC
15
18.6%
119
CCC '06 J3 - Cell-Phone Messaging
CCC
3
41.4%
1468
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.4%
7230
CCC '11 J2 - Who Has Seen The Wind
CCC
5
25.7%
1867
CCC '11 J3 - Sumac Sequences
CCC
5
43.3%
2878
CCC '06 J4 - It's tough being a teen!
CCC
7
41.5%
1243
CCC '11 J4 - Boring Business
CCC
7
27.8%
1510
CCC '06 S1 - Maternity
CCC
5
37.5%
1147
CCC '06 S2 - Attack of the CipherTexts
CCC
5
5.2%
239
CCC '06 S3 - Tin Can Telephone
CCC
12
20.8%
528
CCC '06 S4 - Groups
CCC
10
46.5%
328
CCC '11 S1 - English or French?
CCC
5
35.5%
5784
CCC '08 S3 - Maze
CCC
7
29.3%
1564
CCC '03 S4 - Substrings
CCC
15p
7.7%
372
CCC '04 J1 - Squares
CCC
3
32.5%
6137
CCC '04 J2 - Terms of Office
CCC
3
37.4%
3515
CCC '04 J3 - Smile with Similes
CCC
3
57.8%
3976
CCC '04 J4 - Simple Encryption
CCC
5
51.0%
1711
CCC '04 J5 - Fractals
CCC
10
35.7%
220
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9186
CCC '07 J2 - I Speak TXTMSG
CCC
3
21.7%
2290
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
33.0%
3266
CCC '07 J5 - Keep on Truckin'
CCC
7
19.7%
1074
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
868
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5628
CCC '08 J2 - Do the Shuffle
CCC
3
43.3%
3442
CCC '08 J3 - GPS Text Entry
CCC
3
56.0%
1342
CCC '08 J4 - From Prefix to Postfix
CCC
7
42.8%
890
CCC '08 S5 - Nukit
CCC
10p
37.1%
708
CCC '08 S1 - It's Cold Here!
CCC
5
37.4%
2181
CCC '08 S2 - Pennies in the Ring
CCC
5
30.5%
1184
CCC '08 S4 - Twenty-four
CCC
10
25.4%
744
CCC '96 S4 - When in Rome
CCC
10
33.0%
570
CCC '13 S4 - Who is Taller?
CCC
7
16.8%
1234
CCC '05 S1 - Snow Calls
CCC
5
43.3%
2278
CCC '05 S2 - Mouse Move
CCC
5
37.3%
1686
CCC '10 J1 - What is n, Daddy?
CCC
3
30.8%
4025
CCC '10 J2 - Up and Down
CCC
5
21.8%
2056
CCC '10 J3 - Punchy
CCC
5
33.0%
1399
CCC '10 J4 - Global Warming
CCC
5p
22.5%
1057
CCC '10 J5 - Knight Hop
CCC
7
36.5%
2407
CCC '09 J2 - Old Fishin' Hole
CCC
5
39.1%
1591
CCC '09 J3 - Good Times
CCC
5
20.3%
1385
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