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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
APIO '10 P1 - Commando
ECOO '13 R1 P1 - Take a Number
CCC '24 J5 - Harvest Waterloo
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
A Math Contest P5 - Good Arrays
Problem ▾
Category
Points
AC %
Users
CCC '10 S4 - Animal Farm
CCC
15p
25.6%
529
CCC '10 S3 - Firehose
CCC
15p
18.6%
651
CCC '10 S2 - Huffman Encoding
CCC
5
53.6%
1576
CCC '10 S1 - Computer Purchase
CCC
5
14.1%
1326
CCC '10 J5 - Knight Hop
CCC
7
36.6%
2406
CCC '10 J4 - Global Warming
CCC
5p
22.5%
1057
CCC '10 J3 - Punchy
CCC
5
33.0%
1398
CCC '10 J2 - Up and Down
CCC
5
21.8%
2054
CCC '10 J1 - What is n, Daddy?
CCC
3
30.8%
4023
CCC '09 S5 - Wireless
CCC
12p
34.8%
622
CCC '09 S4 - Shop and Ship
CCC
10
21.0%
1034
CCC '09 S3 - Degrees Of Separation
CCC
10
28.0%
1349
CCC '09 S2 - Lights Going On and Off
CCC
10
40.6%
902
CCC '09 S1 - Cool Numbers
CCC
5
22.8%
2027
CCC '09 J4 - Signage
CCC
7
29.2%
685
CCC '09 J3 - Good Times
CCC
5
20.3%
1385
CCC '09 J2 - Old Fishin' Hole
CCC
5
39.1%
1591
CCC '09 J1 - ISBN
CCC
3
47.3%
3696
CCC '08 S5 - Nukit
CCC
10p
37.1%
708
CCC '08 S4 - Twenty-four
CCC
10
25.5%
744
CCC '08 S3 - Maze
CCC
7
29.3%
1564
CCC '08 S2 - Pennies in the Ring
CCC
5
30.5%
1184
CCC '08 S1 - It's Cold Here!
CCC
5
37.5%
2181
CCC '08 J4 - From Prefix to Postfix
CCC
7
42.8%
888
CCC '08 J3 - GPS Text Entry
CCC
3
56.0%
1341
CCC '08 J2 - Do the Shuffle
CCC
3
43.3%
3440
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5627
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
868
CCC '07 S4 - Waterpark
CCC
7
30.9%
1502
CCC '07 S3 - Friends
CCC
7
37.5%
1703
CCC '07 S2 - Boxes
CCC
5
27.5%
1214
CCC '07 S1 - Federal Voting Age
CCC
3
36.2%
2329
CCC '07 J5 - Keep on Truckin'
CCC
7
19.7%
1073
CCC '07 J4 - Anagram Checker
CCC
5
37.2%
2131
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
33.0%
3259
CCC '07 J2 - I Speak TXTMSG
CCC
3
21.7%
2290
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9183
CCC '06 S5 - Origin of Life
CCC
15
18.6%
119
CCC '06 S4 - Groups
CCC
10
46.5%
328
CCC '06 S3 - Tin Can Telephone
CCC
12
20.8%
528
CCC '06 S2 - Attack of the CipherTexts
CCC
5
5.2%
239
CCC '06 S1 - Maternity
CCC
5
37.5%
1147
CCC '06 J5 - CCC Othello
CCC
10p
36.0%
229
CCC '06 J4 - It's tough being a teen!
CCC
7
41.5%
1242
CCC '06 J3 - Cell-Phone Messaging
CCC
3
41.4%
1467
CCC '06 J2 - Roll the Dice
CCC
3
27.1%
3041
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.4%
7228
CCC '05 S5 - Pinball Ranking
CCC
12p
19.5%
741
CCC '05 S4 - Pyramid Message Scheme
CCC
10
35.7%
819
CCC '05 S3 - Quantum Operations
CCC
10p
34.8%
440
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