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Hot problems
CCC '16 S4 - Combining Riceballs
Appleby Contest '19 P5 - Matrix Operation
Cheerio Contest 1 S2 - School Expansion
WC '96 P6 - Bases Multiplication
CCCHK '15 J4 - Where to build my house?
DMOPC '23 Contest 1 P1 - Peak Grid
Max's Anger Contest Series 2 P3 - Array Anger
Problem ▾
Category
Points
AC %
Users
CCC '23 S2 - Symmetric Mountains
CCC
7p
26.5%
814
CCC '23 S1 - Trianglane
CCC
5p
32.0%
1718
CCC '23 J5 - CCC Word Hunt
CCC
10p
24.1%
531
CCC '23 J3 - Special Event
CCC
5p
38.0%
1295
CCC '23 J2 - Chili Peppers
CCC
3p
53.5%
1632
CCC '23 J1 - Deliv-e-droid
CCC
3p
55.5%
1731
CCC '22 S5 - Good Influencers
CCC
17p
32.6%
186
CCC '22 S4 - Good Triplets
CCC
15p
28.5%
310
CCC '22 S3 - Good Samples
CCC
10p
18.3%
656
CCC '22 S2 - Good Groups
CCC
5p
26.1%
1560
CCC '22 S1 - Good Fours and Good Fives
CCC
5p
39.4%
2130
CCC '22 J5 - Square Pool
CCC
10p
20.5%
462
CCC '22 J3 - Harp Tuning
CCC
5p
33.2%
1497
CCC '22 J2 - Fergusonball Ratings
CCC
3
47.5%
2680
CCC '22 J1 - Cupcake Party
CCC
3
55.3%
2928
CCC '21 S5 - Math Homework
CCC
15p
24.5%
418
CCC '21 S4 - Daily Commute
CCC
12p
26.0%
585
CCC '21 S3 - Lunch Concert
CCC
10p
24.5%
1017
CCC '21 S2 - Modern Art
CCC
7p
28.9%
2252
CCC '21 S1 - Crazy Fencing
CCC
5p
47.7%
2558
CCC '21 J4 - Arranging Books
CCC
7p
19.6%
1324
CCC '21 J3 - Secret Instructions
CCC
5p
36.1%
2517
CCC '21 J2 - Silent Auction
CCC
3p
51.2%
2759
CCC '21 J1 - Boiling Water
CCC
3p
53.7%
3165
CCC '20 S5 - Josh's Double Bacon Deluxe
CCC
17p
29.6%
258
CCC '20 S4 - Swapping Seats
CCC
12p
25.6%
490
CCC '20 S3 - Searching for Strings
CCC
12p
8.9%
841
CCC '20 S2 - Escape Room (Hard)
CCC
15p
5.6%
55
CCC '20 S2 - Escape Room
CCC
10p
12.8%
1694
CCC '20 S1 - Surmising a Sprinter's Speed
CCC
5p
42.8%
2047
CCC '20 J4 - Cyclic Shifts (Hard)
CCC
12p
3.8%
36
CCC '20 J4 - Cyclic Shifts
CCC
5p
45.7%
2290
CCC '20 J3 - Art
CCC
3p
42.9%
2367
CCC '20 J2 - Epidemiology
CCC
3
27.1%
3705
CCC '20 J1 - Dog Treats
CCC
3
56.1%
4017
CCC '19 S5 - Triangle: The Data Structure
CCC
20p
17.9%
358
CCC '19 S4 - Tourism
CCC
20p
7.7%
248
CCC '19 S3 - Arithmetic Square
CCC
12p
13.6%
501
CCC '19 S2 - Pretty Average Primes
CCC
5p
25.9%
2357
CCC '19 S1 - Flipper
CCC
3p
46.0%
3954
CCC '19 J5 - Rule of Three
CCC
20p
0.7%
7
CCC '19 J3 - Cold Compress
CCC
5
46.2%
3158
CCC '19 J2 - Time to Decompress
CCC
3
52.4%
3328
CCC '19 J1 - Winning Score
CCC
3
50.8%
7012
CCC '18 S5 - Maximum Strategic Savings
CCC
20p
26.8%
407
CCC '18 S4 - Balanced Trees
CCC
15p
16.9%
576
CCC '18 S3 - RoboThieves
CCC
12p
14.1%
1135
CCC '18 S2 - Sunflowers
CCC
5p
39.5%
2807
CCC '18 S1 - Voronoi Villages
CCC
3p
33.5%
3566
CCC '18 J5 - Choose your own path
CCC
7p
24.1%
1613
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