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Hot problems
COCI '08 Contest 3 #6 Najkraci
WC '01 P3 - Back to the Future
CCC '16 S4 - Combining Riceballs
GFSSOC '15 Winter S1 - OR-deal
ECOO '20 P2 - Online Shopping
IOI '11 P2 - Race
CCC '20 S4 - Swapping Seats
Problem
Category
Points
AC %
▾
Users
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%
5786
CCC '08 S3 - Maze
CCC
7
29.3%
1564
CCC '03 S4 - Substrings
CCC
15p
7.7%
373
CCC '04 J1 - Squares
CCC
3
32.5%
6138
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
50.9%
1713
CCC '04 J5 - Fractals
CCC
10
35.7%
220
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9187
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%
1075
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
868
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5629
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
42.7%
891
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
25.5%
745
CCC '96 S4 - When in Rome
CCC
10
33.0%
570
CCC '13 S4 - Who is Taller?
CCC
7
16.8%
1235
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%
4026
CCC '10 J2 - Up and Down
CCC
5
21.8%
2057
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
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
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