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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
WC '16 Contest 1 S4 - TP
Woburn Challenge
12p
33.8%
31
COCI '11 Contest 1 #3 X3
COCI
7p
33.8%
40
COCI '14 Contest 6 #4 Kratki
COCI
10p
33.8%
141
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4543
CEOI '18 P1 - Cloud Computing
CEOI
15p
33.8%
76
COCI '23 Contest 1 #2 Labirint
COCI
10p
33.8%
44
Mock CCC '18 Contest 1 J4/S2 - A Square Problem
Mock CCC
5
33.7%
424
COCI '08 Contest 3 #3 Cross
COCI
10
33.7%
44
COCI '12 Contest 6 #3 Dobri
COCI
7p
33.7%
71
COCI '23 Contest 1 #5 Mostovi
COCI
30p
33.7%
7
GlobeX Cup '19 S1 - Planet Classification
Uncategorized
5p
33.7%
149
Back To School '16: Paradox
Seasonal
5
33.7%
286
COCI '10 Contest 1 #1 Timsko
COCI
3
33.7%
103
MALD Contest 1 P4 - Scratch Cat and Demolition
Uncategorized
15p
33.6%
51
CCO '12 P4 - Editor Distance
CCO
10
33.6%
143
WC '16 Contest 1 S3 - Tricky's Treats
Woburn Challenge
12p
33.6%
142
ECOO '16 R2 P3 - BattleShip
ECOO
7p
33.6%
31
WC '99 P4 - Goldfinger
Woburn Challenge
5
33.6%
97
JOI '14 Open P1 - Factories
JOI
20p
33.6%
152
Graph Contest 2 P3 - Trees
Uncategorized
7
33.6%
147
COCI '17 Contest 5 #2 Spirale
COCI
7p
33.5%
167
JOI '18 Spring Camp Day 1 P1 - Construction of Highway
JOI
30p
33.5%
27
Lemon
Uncategorized
10
33.5%
15
DMOPC '14 Contest 7 P3 - Globally Unique Shells
DMOPC
5p
33.5%
238
DMOPC '19 Contest 3 P4 - Same Colour Leaves
DMOPC
15
33.5%
120
Diagnostic Test '16 Level 2 P2 - Gibe clays
Uncategorized
3
33.5%
76
DMOPC '18 Contest 3 P4 - Bob and English Class
DMOPC
15p
33.5%
120
James' Rectangles
Uncategorized
10p
33.5%
88
IOI '98 P3 - Party Lamps
IOI
12p
33.4%
167
Brap Lesh Mafia
Uncategorized
5
33.4%
343
WOSS Dual Olympiad 2023 J2: 3 Numbers
Uncategorized
5
33.4%
123
CCC '18 S1 - Voronoi Villages
CCC
3p
33.4%
3517
COCI '18 Contest 3 #1 Magnus
COCI
5
33.4%
1548
DMOPC '17 Contest 2 P0 - Secrets
DMOPC
3
33.4%
430
TSOC '15 Contest 2 #1 - The Code
TSOC
5
33.3%
84
ICPC ECNA 2016 A - Bubbly Troubly
ICPC
20
33.3%
1
ECOO '15 R2 P4 - Rectangle Roundup
ECOO
12p
33.3%
16
COCI '07 Contest 5 #5 Barica
COCI
15
33.3%
73
COCI '08 Regional #3 Cijevi
COCI
10
33.3%
31
COCI '18 Contest 2 #2 Kocka
COCI
7p
33.3%
23
CCO '97 P3 - Porous Stone
CCO
10
33.3%
2
Wesley's Anger Contest 2 Problem 6 - Haunted Houses
WAC
30
33.3%
6
Facebook Hacker Cup '19 Final Round P1 - Strings as a Service
FHC
15p
33.3%
4
NOI '02 P6 - Robot No. M
China NOI
25p
33.3%
17
COCI '10 Contest 1 #6 Žabe
COCI
20p
33.3%
1
WC '17 Contest 2 S1 - Keeping Score
Woburn Challenge
5p
33.3%
51
WC '02 Suicidal P3 - Evil Tasks
Woburn Challenge
25
33.3%
2
WC '17 Contest 4 S4 - Alpha Nerd (Hard)
Woburn Challenge
25p
33.3%
1
Baltic OI '05 P4 - Ancient Manuscript
Baltic OI
12
33.3%
20
COCI '11 Contest 2 #5 Funkcija
COCI
15p
33.3%
4
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