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Hot problems
APIO '10 P1 - Commando
COCI '08 Contest 3 #6 Najkraci
CCC '24 J5 - Harvest Waterloo
TSS Club Fair 2017 Problem B
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
DWITE '10 R3 #3 - Dominos Tiling
Problem
Category
Points ▾
AC %
Users
CCC '24 S3 - Swipe
CCC
10p
17.5%
172
CCC '14 S3 - The Geneva Confection
CCC
7p
26.4%
2812
CCC '06 J4 - It's tough being a teen!
CCC
7
41.5%
1242
CCC '11 J4 - Boring Business
CCC
7
27.8%
1508
CCC '08 S3 - Maze
CCC
7
29.3%
1563
CCC '07 J5 - Keep on Truckin'
CCC
7
19.7%
1073
CCC '08 J4 - From Prefix to Postfix
CCC
7
42.8%
888
CCC '13 S4 - Who is Taller?
CCC
7
16.8%
1233
CCC '10 J5 - Knight Hop
CCC
7
36.6%
2406
CCC '09 J4 - Signage
CCC
7
29.2%
685
CCC '12 S3 - Absolutely Acidic
CCC
7
26.7%
1863
CCC '12 S5 - Mouse Journey
CCC
7
45.6%
1818
CCC '11 J5 - Unfriend
CCC
7
46.8%
1003
CCC '03 S3 - Floor Plan
CCC
7
27.8%
1954
CCC '07 S3 - Friends
CCC
7
37.5%
1703
CCC '07 S4 - Waterpark
CCC
7
30.9%
1502
Mock CCC '15 J4 - Vox in Box
Mock CCC
7p
18.3%
79
CCCJQR P3
Seasonal
7
8.7%
158
CCC '05 J4 - Cross Spiral
CCC
7p
32.6%
581
CCC '96 S2 - Divisibility by 11
CCC
7
6.8%
179
CCC '96 S5 - Maximum Distance
CCC
7
25.4%
417
CCC '01 S3 - Strategic Bombing
CCC
7
38.7%
1458
CCC '00 S4 - Golf
CCC
7
24.5%
2308
CCC '98 S3 - Mars Rover
CCC
7p
16.5%
161
CCC '99 S2 - Year 2000
CCC
7
14.6%
105
CCC '99 S3 - Divided Fractals
CCC
7
16.5%
68
CCC '00 S2 - Babbling Brooks
CCC
7
34.1%
2537
CCC '00 S3 - Surfing
CCC
7
17.5%
621
TLE '16 Contest 6 (Mock CCC) J4 - Ski Rentals
TLE
7p
21.2%
29
CCC '17 S3 - Nailed It!
CCC
7p
30.5%
1720
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem
Mock CCC
7p
21.6%
122
Mock CCC '18 Contest 2 J3/S1 - An Array Problem
Mock CCC
7p
16.1%
372
Mock CCC '18 Contest 2 J4/S2 - A Geometry Problem
Mock CCC
7p
17.5%
122
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity
Mock CCC
7p
40.9%
487
CCC '18 J5 - Choose your own path
CCC
7p
24.1%
1614
CCC '01 S2 - Spirals (Exact Version)
CCC
7
8.3%
105
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat
Mock CCC
7p
17.1%
235
Mock CCC '20 S2 - Flipper Redux
Mock CCC
7p
26.5%
280
Mock CCC '14 S3 - Spreadsheet Sorting
Mock CCC
7
49.0%
425
Mock CCC '14 S2 - Sleep Cycle
Mock CCC
7p
15.9%
103
Mock CCC '14 J4 - Selecting Shifts
Mock CCC
7p
11.5%
52
CCCHK '15 S1 - Finding number of pairs
CCC
7p
13.7%
143
Mock CCC '21 S2 - Colorful Strings
Mock CCC
7p
18.1%
219
Riolku's Mock CCC S2 - Keen Keener Sequence
Mock CCC
7p
15.4%
147
CCC '21 J4 - Arranging Books
CCC
7p
19.6%
1324
CCC '21 S2 - Modern Art
CCC
7p
29.0%
2253
Mock CCC '22 1 S3 - IU
Mock CCC
7p
40.0%
194
Mock CCC '22 Contest 1 J3 - String Crossing Maximization
Mock CCC
7p
12.6%
247
Mock CCC '22 Contest 1 J5 - New Year's Restrictions
Mock CCC
7p
24.9%
143
Mock CCC '22 Contest 2 J4 - Hockey Bracket
Mock CCC
7p
18.4%
194
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