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Hot problems
COCI '13 Contest 1 #5 Organizator
CCC '24 S4 - Painting Roads
CCC '00 S1 - Slot Machines
CCC '21 S2 - Modern Art
CCC '13 S1 - From 1987 to 2013
COCI '08 Contest 3 #2 Kemija
IOI '06 P4 - The Valley of Mexico
Problem
Category
Points
AC %
Users
CCCJQR P2
Seasonal
3
20.6%
147
CCCJQR P3
Seasonal
7
8.7%
168
CCCJQR P4
Seasonal
0
29.2%
29
CCCJQR P5
Seasonal
15p
20.9%
22
CCCHK '08 J1 - Best fish
CCC
3
38.8%
856
CCCHK '08 J2 - Lucky Number
CCC
3
26.5%
895
CCCHK '08 J3 - Phone book
CCC
5p
35.0%
687
CCCHK '08 J4 - Tic-tac-toe
CCC
5p
11.7%
118
CCCHK '15 J1 - Rock-paper-scissors
CCC
3
51.8%
879
CCCHK '15 J2 - What is the minimum area?
CCC
5
35.8%
282
CCCHK '15 J3 - Queens can't attack me!
CCC
5
51.0%
652
CCCHK '15 J4 - Where to build my house?
CCC
5
18.5%
287
CCCHK '15 J5 - No friends in the same group.
CCC
15p
9.7%
33
CCCHK '15 S1 - Finding number of pairs
CCC
7p
14.3%
162
CCCHK '15 S2 - Matching Problem
CCC
10p
5.6%
22
CCCHK '15 S3 - Symmetric Cross
CCC
12p
16.8%
23
CCCHK '15 S4 - When to meet?
CCC
15p
21.7%
10
CCCHK '15 S5 - Can I pass the courses?
CCC
25p
4.7%
6
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem
Mock CCC
3p
48.2%
858
Mock CCC '20 Contest 1 J2 - A Simplex Problem
Mock CCC
3p
52.5%
635
Mock CCC '20 Contest 1 J3 - A Geometry Problem
Mock CCC
3p
9.3%
302
Mock CCC '20 Contest 1 J4 - A Binary Problem
Mock CCC
5p
11.8%
220
Mock CCC '20 Contest 1 J5 - A Prime Problem
Mock CCC
12p
2.9%
23
Mock CCC '20 S1 - War
Mock CCC
3p
29.9%
487
Mock CCC '20 S2 - Flipper Redux
Mock CCC
7p
26.9%
304
Mock CCC '20 S3 - SAM I Am
Mock CCC
10p
12.7%
72
Mock CCC '20 S4 - Valentine's Day Shopping
Mock CCC
20p
7.9%
15
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube
Mock CCC
3p
54.3%
423
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP
Mock CCC
5p
28.2%
292
Mock CCC '20 Contest 2 S3 - Tree Programming
Mock CCC
10p
15.7%
83
Mock CCC '20 Contest 2 S4 - Rotational Arrays
Mock CCC
10p
11.8%
62
Mock CCC '20 Contest 2 S5 - Sticks
Mock CCC
20p
2.3%
4
Mock CCC '22 Contest 1 J1 - Square Root Decomposition
Mock CCC
3
39.6%
691
Mock CCC '22 Contest 1 J2 - Biking and Hiking
Mock CCC
3
34.5%
565
Mock CCC '22 Contest 1 J3 - String Crossing Maximization
Mock CCC
7p
12.4%
251
Mock CCC '22 Contest 1 J4 - Snowball Fight
Mock CCC
5p
16.8%
243
Mock CCC '22 Contest 1 J5 - New Year's Restrictions
Mock CCC
7p
24.9%
146
Mock CCC '22 Contest 2 J1 - Opening Ceremony
Mock CCC
3
47.5%
749
Mock CCC '22 Contest 2 J2 - Snowboarding Championship
Mock CCC
3
35.8%
602
Mock CCC '22 Contest 2 J3 - Figure Skating Fun
Mock CCC
5p
29.8%
488
Mock CCC '22 Contest 2 J4 - Hockey Bracket
Mock CCC
7p
18.3%
194
Mock CCC '22 Contest 2 J5 - Dominating the Olympics
Mock CCC
10
15.8%
90
Mock CCC '23 Contest 1 J1 - Final Velocity
Mock CCC
3
65.5%
818
Mock CCC '23 Contest 1 J2 - Healthy Schedule
Mock CCC
3
37.5%
622
Mock CCC '23 Contest 1 J3 - Pairing Gifts
Mock CCC
5p
12.8%
268
Mock CCC '23 Contest 1 J4 - String Decryption
Mock CCC
5p
17.0%
169
Mock CCC '23 Contest 1 J5 - Calculus Problem
Mock CCC
12p
10.1%
42
Mock CCC '24 Contest 1 J1 - Lemon Bathtub
Mock CCC
3
59.2%
566
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System
Mock CCC
3
32.9%
243
Mock CCC '24 Contest 1 J3 - RGB Words
Mock CCC
5p
12.7%
202
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