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Hot problems
CCC '24 S2 - Heavy-Light Composition
APIO '09 P3 - The Great ATM Robbery
COCI '11 Contest 5 #2 Eko
String Finding
CCO '07 P2 - Snowflakes
CCC '24 J4 - Troublesome Keys
Problem
Category
Points
AC %
Users ▾
LKP '18 Contest 2 P6 - Reconstruction
Uncategorized
25
7.9%
31
Valentine's Day '19 S4 - A Greedy Spouse
Uncategorized
15p
11.1%
31
COCI '13 Contest 2 #6 Linije
COCI
20p
36.8%
31
Wesley's Anger Contest 1 Problem 5 - Rule of Four
WAC
20p
16.1%
31
Back To School '19: Heist Night
Seasonal
15p
14.4%
31
OCC '19 S3 - NAN Language
Olympiads School
7p
14.4%
31
Athena on Zanzibar Island
Olympiads School
12p
6.7%
31
COCI '19 Contest 2 #5 Zvijezda
COCI
20p
24.0%
31
Teleportation Tangle
Uncategorized
7p
28.4%
31
COCI '09 Contest 2 #6 Pasijans
COCI
15
25.6%
31
NOI '02 P4 - Island of Cavemen
China NOI
20p
16.9%
31
Good Aim
Uncategorized
10
17.4%
31
CCO '03 P2 - Concentration Cards
CCO
15
36.1%
31
COCI '09 Contest 5 #3 Kletva
COCI
7
19.6%
31
WC '15 Contest 4 S2 - World Tour
Woburn Challenge
12p
29.7%
31
WC '16 Finals J2 - Enigmoo
Woburn Challenge
5p
25.9%
31
WC '16 Finals S1 - Cow-Bot Construction
Woburn Challenge
7p
34.3%
31
WC '98 P5 - Y2K
Woburn Challenge
10
33.8%
31
WC '95 P4 - Wildcard
Woburn Challenge
10
40.4%
31
WC '16 Contest 2 S2 - Away Mission
Woburn Challenge
12p
23.4%
31
WC '16 Contest 1 S4 - TP
Woburn Challenge
12p
33.8%
31
WC '16 Contest 1 S1 - Hide and Seek
Woburn Challenge
10p
10.5%
31
Prime Street
Uncategorized
10
17.1%
31
Another Contest 7 Problem 4 - Team Assignments
ACC
12p
20.0%
31
Wesley's Anger Contest 6 Problem 6 (Easy Version) - Santa's Candy Factory
WAC
20p
9.1%
31
DMOPC '20 Contest 4 P5 - Cyclic Cypher
DMOPC
17p
10.0%
31
Segment Tree Practice 2
Uncategorized
12
38.8%
31
COCI '16 Contest 2 #4 Prosječni
COCI
10p
42.2%
31
COCI '10 Contest 5 #4 Honi
COCI
10p
33.9%
31
SAC '22 Code Challenge 1 P5 - That Wall
SAC Coding Challenge
12
26.9%
31
Mock CCC '22 1 S4 - Berkeley Math Tournament Statistics
Mock CCC
20p
8.7%
31
Baltic OI '15 P3 - Network
Baltic OI
15p
26.0%
31
COCI '21 Contest 5 #4 Radio
COCI
17p
13.9%
31
DMOPC '21 Contest 10 P4 - Bitwise Telephone
DMOPC
17p
3.9%
31
EGOI '22 P5 - Data Centers
EGOI
10p
33.8%
31
COCI '14 Contest 5 #6 Divljak
COCI
40p
16.7%
30
DMPG '15 G2 - 1-String B2-VPG Representation of Planar Graphs
DMOPC
15p
18.4%
30
MWC '15 #1 P4: Genetic Probability
MWC
5p
29.2%
30
TLE '16 Contest 1 P3 - Joey and Chemistry
TLE
7p
14.6%
30
ECOO '12 R1 P3 - Triangles
ECOO
5p
23.9%
30
Summer Institute '17 Contest 1 P1 - Ant Clans
SIUCF
20p
16.9%
30
CTU Open Contest 2017 - Amusement Anticipation
ICPC
5
23.9%
30
DMOPC '18 Contest 1 P6 - Sorting
DMOPC
20p
18.7%
30
Inaho XI
Uncategorized
5p
44.5%
30
CTU Open Contest 2018 - Security Guards
ICPC
10
37.2%
30
APIO '19 P3 - Street Lamps
APIO
35p
10.9%
30
COCI '19 Contest 1 #3 Džumbus
COCI
20p
21.1%
30
Wesley's Anger Contest 4 Problem 7 - Squirrel Cities
WAC
25p
6.8%
30
COCI '15 Contest 7 #4 Otpor
COCI
12
69.2%
30
NOI '13 P4 - Matrix Game
China NOI
20p
17.6%
30
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