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Hot problems
CCC '24 J4 - Troublesome Keys
COCI '22 Contest 4 #1 7Krokods
CCC '24 S2 - Heavy-Light Composition
CCC '19 J3 - Cold Compress
CCC '24 J5 - Harvest Waterloo
COCI '23 Contest 5 #1 Zlagalica
CCC '24 S3 - Swipe
Problem
Category
Points ▾
AC %
Users
DMOPC '18 Contest 2 P6 - Standing Ovation (Hard Version)
DMOPC
35
2.4%
1
DMOPC '21 Contest 4 P6 - Balanced Line
DMOPC
35p
4.5%
4
An Animal Contest 6 P6 - Generous Grizzly Gift Giving
AAC
35p
10.3%
6
COI '19 #2 Pastiri
COCI
35p
4.1%
4
DMOPC '21 Contest 7 P5 - King's Commands
DMOPC
35p
6.3%
6
COI '16 #3 Trapezi
COCI
35p
0.0%
0
COI '10 #5 Lovci
COCI
35p
23.5%
1
NOI '22 Multi-Provincial Team Selection P5 - Bracket
China NOI
35p
6.8%
6
CCO '22 P6 - Good Game
CCO
35p
19.6%
12
Baltic OI '11 P8 - Tree Mirroring
Baltic OI
35p
15.6%
7
JOI '22 Open P2 - Giraffes
JOI
35p
0.0%
0
JOI '20 Open P2 - Monochrome Points
JOI
35p
33.3%
8
CEOI '22 P4 - Drawing
CEOI
35p
0.9%
2
JOI '19 Open P3 - Virus Experiment
JOI
35p
5.7%
2
NOI '22 P5 - Bubble Sort
China NOI
35p
2.4%
1
Google Code Jam '22 Round 2 Problem D - I, O Bot
Google Code Jam
35p
33.3%
1
NOI '23 P3 - Depth First Search
China NOI
35p
37.5%
2
IOI '23 P4 - Beech Tree
IOI
35p
4.9%
3
DMOPC '23 Contest 1 P6 - Sky Clearing Up
DMOPC
35p
15.1%
3
IOI '14 P1 - Rail
IOI
30p
10.7%
47
COCI '14 Contest 3 #6 Kamioni
COCI
30p
15.1%
18
Mine and Tree
Seasonal
30p
22.7%
59
Facebook Hacker Cup '15 Round 2 P4 - Fox Socks
FHC
30
10.3%
21
CCO '07 P5 - Particle Catcher
CCO
30p
16.3%
10
COCI '14 Contest 7 #6 Police
COCI
30p
12.9%
32
NO ACM NO LIFE
Uncategorized
30p
22.4%
41
CCO Preparation Test 3 P3 - Arrow
Mock CCO
30p
18.0%
57
CCO '15 P6 - Eggscavation
CCO
30p
18.5%
69
DMPG '15 G3 - Kinako Bread 2
DMOPC
30p
18.7%
69
DMOPC '15 Contest 3 P6 - Gala
DMOPC
30p
11.3%
22
IOI '14 P5 - Friend
IOI
30p
25.8%
96
IOI '14 P6 - Holiday
IOI
30
15.9%
80
CCO '16 P3 - Legends
CCO
30p
9.8%
60
HCI '16 - Pi Digits
Uncategorized
30
0.3%
1
IOI '16 P6 - Aliens
IOI
30p
7.1%
79
Bubble Cup V8 I Robots protection
Bubble Cup
30
13.8%
4
CCO '17 P3 - Vera and Modern Art
CCO
30p
14.0%
92
CCO '17 P6 - Shifty Grid
CCO
30p
17.8%
34
IOI '17 P3 - Toy Train
IOI
30p
17.3%
40
COI '08 #1 Izbori
COCI
30p
8.8%
9
DMPG '18 G3 - Lonely Carrot's Anguish
DMOPC
30p
12.6%
23
ICPC PACNW 2016 E - Enclosure
ICPC
30
12.4%
9
Mock CCO '18 Contest 3 Problem 6 - Roger Asks For More Marks
Mock CCO
30p
15.5%
8
Baltic OI '18 P3 - Worm Worries
Baltic OI
30p
4.0%
5
CCO '18 P3 - Fun Palace
CCO
30p
18.1%
76
CCO '18 P6 - Flop Sorting
CCO
30p
17.4%
58
CCO '18 P5 - Boring Lectures (Online Version)
CCO
30p
7.7%
49
Overflow
Uncategorized
30p
2.4%
7
APIO '18 P3 - Duathlon
APIO
30
29.0%
43
NOI '05 P2 - Maintaining a Sequence
China NOI
30p
20.6%
75
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