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Hot problems
Educational DP Contest AtCoder K - Stones
Educational DP Contest AtCoder I - Coins
DMOPC '20 Contest 4 P1 - Missing Numbers
CCC '12 S3 - Absolutely Acidic
CCC '21 J3 - Secret Instructions
DWITE '07 R3 #4 - The Convex Fence Company
CCC '24 J5 - Harvest Waterloo
Problem
Category
Points
AC %
▴
Users
An Animal Contest 6 P6 - Generous Grizzly Gift Giving
AAC
35p
10.4%
7
DMOPC '21 Contest 6 P2 - Gacha Luck
DMOPC
7p
29.1%
295
DMOPC '21 Contest 6 P4 - Colourful Paths
DMOPC
15p
9.1%
98
Baltic OI '11 P1 - Growing Trees
Baltic OI
20p
23.2%
26
Baltic OI '11 P2 - Ice Cream
Baltic OI
5p
35.7%
53
Baltic OI '11 P3 - Switch the Lamp On
Baltic OI
12p
24.7%
20
Baltic OI '11 P4 - Treasures and Vikings
Baltic OI
15p
37.7%
18
Wesley's Anger Contest 6 Problem 6 (Hard Version) - Santa's Candy Factory
WAC
20p
5.8%
17
Baltic OI '11 P5 - Meetings
Baltic OI
25p
8.3%
3
Yet Another Contest 2 P4 - No More Arithmetic
YAC
15p
15.1%
51
COCI '09 Contest 7 #6 Restoran
COCI
20p
16.4%
4
An Animal Contest 6 P3 - OAC
AAC
12p
13.4%
107
An Animal Contest 6 P4 - Buffet
AAC
20p
7.4%
29
COI '19 #1 Paint
COCI
40p
6.5%
8
COI '19 #2 Pastiri
COCI
35p
3.9%
4
An Animal Contest 6 P2 - G-Pop
AAC
7p
10.7%
123
COI '19 #3 Semafor
COCI
20p
16.7%
1
COI '19 #4 Zagrade
COCI
15p
21.5%
17
DMOPC '21 Contest 7 P4 - Rocket Race
DMOPC
17p
7.1%
34
CCC '22 S1 - Good Fours and Good Fives
CCC
5p
39.4%
2127
CCC '22 S2 - Good Groups
CCC
5p
26.1%
1556
CCC '22 S3 - Good Samples
CCC
10p
18.3%
655
CCC '22 S4 - Good Triplets
CCC
15p
28.5%
310
CCC '22 S5 - Good Influencers
CCC
17p
32.6%
185
CCC '22 J1 - Cupcake Party
CCC
3
55.4%
2916
CCC '22 J2 - Fergusonball Ratings
CCC
3
47.6%
2662
CCC '22 J3 - Harp Tuning
CCC
5p
33.3%
1492
CCC '22 J5 - Square Pool
CCC
10p
20.5%
462
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System
Mock CCC
3
34.9%
223
Yet Another Contest 2 P3 - Maximum Damage
YAC
10p
7.9%
62
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem
SAC Coding Challenge
3
62.9%
255
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem
SAC Coding Challenge
3p
51.6%
209
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem
SAC Coding Challenge
5p
26.6%
171
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem
SAC Coding Challenge
7p
18.6%
95
SAC '22 Code Challenge 4 Junior P5 - Obligatory Output Only Problem
SAC Coding Challenge
10
24.9%
38
Yet Another Contest 2 P6 - Travel Budget
YAC
20p
15.0%
37
Yet Another Contest 2 P5 - Mirror Maze
YAC
17p
30.1%
44
Yet Another Contest 2 P1 - Betting
YAC
5p
22.5%
258
Yet Another Contest 2 P2 - Secret Sequence
YAC
7p
26.3%
132
COCI '21 Contest 5 #1 Kemija
COCI
7p
39.0%
97
COCI '21 Contest 5 #2 Dijamant
COCI
10p
26.8%
26
COCI '21 Contest 5 #5 Usmjeravanje
COCI
20p
19.4%
14
COCI '21 Contest 5 #3 Fliper
COCI
30p
0.0%
0
COCI '21 Contest 5 #4 Radio
COCI
17p
13.9%
31
MALD Contest 1 P5 - Scratch Cat and Desktop Backgrounds
Uncategorized
17p
9.9%
17
DMOPC '21 Contest 7 P5 - King's Commands
DMOPC
35p
6.3%
6
The Contest Contest 1 P4 - A Typical YAC Problem
Uncategorized
25p
3.4%
7
DMOPC '21 Contest 7 P2 - Knitting Scarves
DMOPC
7
24.3%
184
COI '15 #1 Dijamant
COCI
25p
44.4%
8
COI '15 #2 Palinilap
COCI
25p
20.3%
13
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