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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
APIO '10 P1 - Commando
Counting Subsequences
A Math Contest P5 - Good Arrays
ECOO '13 R1 P1 - Take a Number
CCC '04 S2 - TopYodeller
CCC '24 J3 - Bronze Count
Problem
Category
Points
AC %
Users
CCC '16 S2 - Tandem Bicycle
CCC
5p
53.3%
3505
CCC '16 S3 - Phonomenal Reviews
CCC
12p
26.4%
1103
CCC '16 S4 - Combining Riceballs
CCC
15p
28.8%
947
CCC '16 S5 - Circle of Life
CCC
20p
22.5%
578
CCC '17 J1 - Quadrant Selection
CCC
3
60.6%
5589
CCC '17 J2 - Shifty Sum
CCC
3
54.3%
4585
CCC '17 J3 - Exactly Electrical
CCC
3p
29.9%
2379
CCC '17 J4 - Favourite Times
CCC
5p
23.4%
1572
CCC '17 S1 - Sum Game
CCC
3
47.4%
3210
CCC '17 S2 - High Tide, Low Tide
CCC
5
27.8%
2845
CCC '17 S3 - Nailed It!
CCC
7p
30.5%
1720
CCC '17 S4 - Minimum Cost Flow
CCC
17p
14.1%
771
CCC '17 S5 - RMT
CCC
20p
19.2%
245
CCC '18 J1 - Telemarketer or not?
CCC
3
40.1%
6896
CCC '18 J2 - Occupy parking
CCC
3
53.4%
5685
CCC '18 J3 - Are we there yet?
CCC
3
55.6%
3114
CCC '18 J5 - Choose your own path
CCC
7p
24.1%
1615
CCC '18 S1 - Voronoi Villages
CCC
3p
33.5%
3575
CCC '18 S2 - Sunflowers
CCC
5p
39.5%
2811
CCC '18 S3 - RoboThieves
CCC
12p
14.1%
1135
CCC '18 S4 - Balanced Trees
CCC
15p
16.9%
576
CCC '18 S5 - Maximum Strategic Savings
CCC
20p
26.8%
407
CCC '19 J1 - Winning Score
CCC
3
50.8%
7025
CCC '19 J2 - Time to Decompress
CCC
3
52.4%
3332
CCC '19 J3 - Cold Compress
CCC
5
46.2%
3165
CCC '19 J5 - Rule of Three
CCC
20p
0.7%
7
CCC '19 S1 - Flipper
CCC
3p
46.1%
3956
CCC '19 S2 - Pretty Average Primes
CCC
5p
25.9%
2359
CCC '19 S3 - Arithmetic Square
CCC
12p
13.6%
501
CCC '19 S4 - Tourism
CCC
20p
7.7%
249
CCC '19 S5 - Triangle: The Data Structure
CCC
20p
17.9%
359
CCC '20 J1 - Dog Treats
CCC
3
56.1%
4019
CCC '20 J2 - Epidemiology
CCC
3
27.1%
3712
CCC '20 J3 - Art
CCC
3p
42.9%
2367
CCC '20 J4 - Cyclic Shifts
CCC
5p
45.7%
2291
CCC '20 J4 - Cyclic Shifts (Hard)
CCC
12p
3.8%
36
CCC '20 S1 - Surmising a Sprinter's Speed
CCC
5p
42.8%
2047
CCC '20 S2 - Escape Room
CCC
10p
12.8%
1695
CCC '20 S2 - Escape Room (Hard)
CCC
15p
5.6%
55
CCC '20 S3 - Searching for Strings
CCC
12p
8.9%
843
CCC '20 S4 - Swapping Seats
CCC
12p
25.6%
491
CCC '20 S5 - Josh's Double Bacon Deluxe
CCC
17p
29.6%
258
CCC '21 J1 - Boiling Water
CCC
3p
53.7%
3170
CCC '21 J2 - Silent Auction
CCC
3p
51.2%
2759
CCC '21 J3 - Secret Instructions
CCC
5p
36.2%
2538
CCC '21 J4 - Arranging Books
CCC
7p
19.6%
1324
CCC '21 S1 - Crazy Fencing
CCC
5p
47.7%
2559
CCC '21 S2 - Modern Art
CCC
7p
29.0%
2253
CCC '21 S3 - Lunch Concert
CCC
10p
24.6%
1018
CCC '21 S4 - Daily Commute
CCC
12p
26.0%
585
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