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Hot problems
CCC '24 S2 - Heavy-Light Composition
APIO '10 P1 - Commando
Max's Anger Contest Series 2 P3 - Array Anger
Cheerio Contest 1 S2 - School Expansion
CCO '07 P2 - Snowflakes
CCC '15 S3 - Gates
DMOPC '21 Contest 1 P1 - Partial Game
Problem
Category ▴
Points
AC %
Users
Mock CCC '14 S3 - Spreadsheet Sorting
Mock CCC
7
49.0%
425
Mock CCC '14 S5 - Elimination Game
Mock CCC
15p
21.8%
56
Mock CCC '14 J2 - Rope Unfolding
Mock CCC
3
44.8%
283
Mock CCC '14 J5 - Spacetime Surfer
Mock CCC
10
30.0%
83
Mock CCC '14 S2 - Sleep Cycle
Mock CCC
7p
15.9%
103
Mock CCC '14 S1 - Reverse Find
Mock CCC
5
28.3%
226
Mock CCC '14 S4 - Roadtrip Tracking
Mock CCC
15p
9.0%
57
Mock CCC '14 J3 - Clock Hands
Mock CCC
5
17.2%
107
Mock CCC '14 J1 - Love Overdose
Mock CCC
3
21.9%
485
Mock CCC '14 J4 - Selecting Shifts
Mock CCC
7p
11.5%
52
Riolku's Mock CCC S3 - Mosey's Birthday
Mock CCC
12p
11.7%
63
Riolku's Mock CCC S4 - Clumsy Cindy
Mock CCC
12p
10.7%
70
Mock CCC '21 S2 - Colorful Strings
Mock CCC
7p
18.1%
219
Mock CCC '21 S1 - Edit Distance
Mock CCC
5p
35.0%
346
Mock CCC '21 S3 - Lexicographically Smallest Permutation Subsequence
Mock CCC
10p
8.4%
80
Mock CCC '21 S4 - Infinite Molecule
Mock CCC
12p
8.2%
29
Mock CCC '21 S5 - Clique and Independent Set
Mock CCC
25p
18.3%
11
Riolku's Mock CCC S2 - Keen Keener Sequence
Mock CCC
7p
15.4%
147
Riolku's Mock CCC S1 - Word Bot
Mock CCC
3p
32.2%
426
Riolku's Mock CCC S5 - Keen Keener Multiset
Mock CCC
25p
6.6%
13
Riolku's Mock CCC S2 - Keen Keener Sequence (Hard Version)
Mock CCC
12
10.7%
17
Mock CCC '22 1 S1 - Big Mattress Tournament
Mock CCC
5p
13.4%
206
Mock CCC '22 1 S2 - IU
Mock CCC
5p
21.4%
185
Mock CCC '22 1 S4 - Berkeley Math Tournament Statistics
Mock CCC
20p
8.7%
31
Mock CCC '22 1 S3 - IU
Mock CCC
7p
40.0%
194
Mock CCC '22 1 S5 - Berkeley Math Tournament Awards Ceremony
Mock CCC
35p
5.5%
7
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass
Mock CCC
5p
25.5%
177
Mock CCC '22 2 S2 - Kaguya Wants to Grow the Student Council
Mock CCC
10p
35.2%
105
Mock CCC '22 2 S3 - Kaguya Wants to Analyze the Academy Anthem
Mock CCC
12p
7.9%
40
Mock CCC '22 2 S4 - Kaguya Wants to Build a Great Wall
Mock CCC
15p
7.5%
8
Mock CCC '22 2 S5 - Kaguya Wants to go Window Shopping with Kei Shirogane
Mock CCC
30p
5.5%
5
Mock CCC '22 Contest 1 J1 - Square Root Decomposition
Mock CCC
3
40.9%
658
Mock CCC '22 Contest 1 J2 - Biking and Hiking
Mock CCC
3
35.0%
542
Mock CCC '22 Contest 1 J3 - String Crossing Maximization
Mock CCC
7p
12.7%
246
Mock CCC '22 Contest 1 J4 - Snowball Fight
Mock CCC
5p
16.7%
239
Mock CCC '22 Contest 1 J5 - New Year's Restrictions
Mock CCC
7p
24.9%
143
Mock CCC '22 Contest 2 J1 - Opening Ceremony
Mock CCC
3
48.3%
706
Mock CCC '22 Contest 2 J4 - Hockey Bracket
Mock CCC
7p
18.4%
194
Mock CCC '22 Contest 2 J2 - Snowboarding Championship
Mock CCC
3
35.7%
567
Mock CCC '22 Contest 2 J3 - Figure Skating Fun
Mock CCC
5p
30.1%
470
Mock CCC '22 Contest 2 J5 - Dominating the Olympics
Mock CCC
10
16.0%
76
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System
Mock CCC
3
34.9%
223
Mock CCC '23 1 S1 - Composite Fibonacci Numbers
Mock CCC
5p
13.0%
148
Mock CCC '23 1 S2 - Keenan Hates Triangles
Mock CCC
5p
22.9%
97
Mock CCC '23 1 S4 - Roger Says Yabe
Mock CCC
15p
7.2%
19
Mock CCC '23 1 S3 - Richard The Penguin
Mock CCC
10p
5.9%
27
Mock CCC '23 1 S5 - The Obligatory Data Structures Problem
Mock CCC
25p
14.0%
10
Mock CCC '23 Contest 1 J1 - Final Velocity
Mock CCC
3
66.3%
739
Mock CCC '23 Contest 1 J3 - Pairing Gifts
Mock CCC
5p
12.5%
243
Mock CCC '23 Contest 1 J4 - String Decryption
Mock CCC
5p
17.0%
166
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