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Hot problems
CCC '23 J3 - Special Event
CCC '24 S2 - Heavy-Light Composition
Max's Anger Contest Series 2 P3 - Array Anger
Max's Anger Contest Series 2 P2 - Password Anger
Cheerio Contest 1 S2 - School Expansion
The Cosmic Era P2 - Uneven Sand
CCO '07 P2 - Snowflakes
Problem
Category
Points
AC %
▴
Users
CCO '03 P5 - Longest Substring
CCO
7p
15.8%
86
CCO '03 P2 - Concentration Cards
CCO
15
36.1%
31
CCO '05 P6 - Windows
CCO
30p
14.2%
28
CCO '05 P4 - Primed Sequences
CCO
12p
12.6%
92
CCO '03 P1 - BFed
CCO
10
25.4%
61
CCO '03 P4 - Constrained Permutations
CCO
5
49.8%
163
CCO '08 P2 - King & Weber
CCO
10p
17.6%
69
CCO '03 P6 - Cheap Gas
CCO
20p
13.1%
79
CCO '21 P1 - Swap Swap Sort
CCO
17p
16.8%
152
CCO '21 P2 - Weird Numeral System
CCO
17p
12.1%
87
CCO '21 P3 - Through Another Maze Darkly
CCO
25p
20.5%
49
CCO '21 P4 - Travelling Merchant
CCO
25p
19.0%
54
CCO '21 P5 - Bread First Search
CCO
20p
23.0%
63
CCO '21 P6 - Loop Town
CCO
50p
4.7%
13
CCO '01 P4 - Breaking Level (Standard I/O)
CCO
12
7.8%
36
CCO '05 P3 - That's News To Me
CCO
20
0.0%
0
CCO '22 P2 - Rainy Markets
CCO
17p
18.6%
104
CCO '22 P3 - Double Attendance
CCO
25p
7.4%
28
CCO '22 P4 - Bi-ing Lottery Treekets
CCO
20p
20.5%
30
CCO '22 P5 - Phone Plans
CCO
20p
12.8%
33
CCO '23 P1 - Binaria
CCO
12p
23.2%
171
CCO '23 P2 - Real Mountains
CCO
17p
13.8%
68
CCO '22 P1 - Alternating Heights
CCO
12p
27.6%
138
CCO '22 P6 - Good Game
CCO
35p
19.6%
12
CCO '23 P3 - Line Town
CCO
30p
9.9%
22
CCO '23 P4 - Flip it and Stick it
CCO
17p
6.8%
53
CCO '23 P5 - Travelling Trader
CCO
30p
7.9%
17
CCO '23 P6 - Triangle Collection
CCO
25p
16.7%
18
The Contest Contest 1 P5 - A Typical CCO Problem
Uncategorized
20p
4.2%
24
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