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Hot problems
CCC '24 S2 - Heavy-Light Composition
Educational DP Contest AtCoder K - Stones
Educational DP Contest AtCoder I - Coins
IOI '94 P1 - The Triangle
COCI '06 Regional #3 Firefly
CCC '17 J4 - Favourite Times
ICPC PACNW 2016 A - Alphabet
Problem
Category
Points ▴
AC %
Users
COCI '18 Contest 3 #2 Pismo
COCI
5p
31.0%
35
COCI '18 Contest 4 #1 Elder
COCI
5p
36.8%
1030
COCI '18 Contest 5 #2 Jarvis
COCI
5p
37.8%
138
COCI '18 Contest 5 #1 Titlovi
COCI
5
40.8%
18
COCI '18 Contest 6 #1 Lun
COCI
5p
65.5%
19
ECOO '19 R1 P1 - Free Shirts
ECOO
5p
31.1%
896
ECOO '19 R1 P2 - L-Systems Go
ECOO
5p
22.6%
167
DMPG '19 B4 - Braille
DMOPC
5
43.7%
192
Wesley's Anger Contest 1 Problem 1 - Simply a Simple Simplex Problem
WAC
5p
11.8%
174
DMPG '19 S1 - Candy Shop Tycoon
DMOPC
5
26.8%
165
Emoji Search
Uncategorized
5
47.7%
112
ECOO '19 R2 P1 - Email
ECOO
5p
31.6%
742
Mock CCO '19 Contest 2 Problem 4 - A Geometry Problem
Mock CCO
5p
9.9%
6
Triway Cup '19 Summer B - Cameras
Seasonal
5
28.9%
26
Triway Cup '19 Summer E - Solar Power
Seasonal
5
21.1%
26
Triway Cup '19 Summer Junior P1 - Getting Snappy
Seasonal
5
29.3%
149
Triway Cup '19 Summer Junior P2 - Thanos Knows the Most
Seasonal
5
30.2%
70
Triway Cup '19 Summer Junior P3 - Thor Goes for the Papaya
Seasonal
5
51.5%
69
Triway Cup '19 Summer I - An Easy Problem
Seasonal
5
39.8%
75
OCC '19 B2 - Cinematic
Olympiads School
5
16.2%
75
OCC '19 B4 - Bussing
Olympiads School
5
22.1%
15
OCC '19 S2 - Rimuru's Number Game
Uncategorized
5
27.2%
399
Another Contest 5 Problem 3 - Cutting Cheese Costs
ACC
5p
22.8%
365
OCC '19 B3 - Difference
Olympiads School
5
22.5%
81
Back To School '19: Parkour
Seasonal
5p
12.2%
174
COCI '09 Contest 2 #2 Rimski
COCI
5
24.3%
98
Hardcore Grinding
Uncategorized
5
38.1%
468
Mock CCC '20 Contest 1 J4 - A Binary Problem
Mock CCC
5p
11.1%
193
DMOPC '19 Contest 1 P1 - Test Scores
DMOPC
5
20.8%
247
DMOPC '19 Contest 2 P1 - Box and Whiskers
DMOPC
5
16.5%
250
DMOPC '19 Contest 3 P1 - Mode Finding
DMOPC
5
29.1%
464
DMOPC '19 Contest 4 P1 - Valid Strings
DMOPC
5p
36.0%
537
Flip the Switches
Uncategorized
5
34.0%
347
COCI '19 Contest 1 #1 Trol
COCI
5p
21.9%
54
Art Academy
Uncategorized
5p
37.8%
55
GlobeX Cup '19 J3 - Codex
Uncategorized
5p
16.4%
53
GlobeX Cup '19 S1 - Planet Classification
Uncategorized
5p
33.7%
149
GlobeX Cup '19 J4 - Winni's Lonely Card Game
Uncategorized
5p
18.5%
62
JSB '19 - P1
CTF
5
8.4%
27
A Greedy Problem
Uncategorized
5p
28.6%
170
Wesley's Anger Contest 3 Problem 2 - Eat, Sleep, Code, Repeat
WAC
5p
28.8%
197
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP
Mock CCC
5p
27.6%
281
COCI '19 Contest 5 #1 Emacs
COCI
5p
45.9%
280
Wesley's Anger Contest 5 Problem 1 - Matryoshka Acorns
WAC
5p
50.3%
355
DMOPC '19 Contest 5 P2 - Charlie's Crazy Conquest
DMOPC
5
19.3%
444
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist
DMOPC
5
62.1%
728
COCI '19 Contest 2 #1 ACM
COCI
5p
52.4%
10
CCC '20 J4 - Cyclic Shifts
CCC
5p
45.7%
2284
CCC '20 S1 - Surmising a Sprinter's Speed
CCC
5p
42.8%
2048
PIB '20 P2 - 2 + 2 = 5
Uncategorized
5p
31.9%
100
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