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Hot problems
CCC '24 J3 - Bronze Count
CCC '19 S2 - Pretty Average Primes
Problem
Category
Points
AC % ▴
Users
Bit Combinations
Uncategorized
7
33.3%
16
NOIP '18 Junior P2 - The Big Battle
China NOI
7p
33.3%
13
EGOI '22 P5 - Data Centers
EGOI
10p
33.3%
30
Google Code Jam '09 Qualification Round Problem B - Watersheds
Google Code Jam
5p
33.3%
4
Google Code Jam '11 Qualification Round Problem D - GoroSort
Google Code Jam
15p
33.3%
2
Google Code Jam '12 Qualification Round Problem D - Hall of Mirrors
Google Code Jam
15p
33.3%
1
Google Code Jam '15 Qualification Round Problem C - Dijkstra
Google Code Jam
12p
33.3%
1
CTSC '15 P5 - Calendar Management
China NOI
25
33.3%
1
WOSS Dual Olympiad 2023 J2: 3 Numbers
Uncategorized
5
33.3%
124
Maximum Sum
Uncategorized
7
33.3%
787
Is it a Tree?
Seasonal
7p
33.4%
736
COCI '14 Contest 6 #4 Kratki
COCI
10p
33.4%
165
DWITE '09 R2 #4 - Breadth First Not Quite Tree
DWITE
5
33.4%
150
DWITE '12 R5 #3 - Triangle Count
DWITE
7
33.4%
162
DMOPC '17 Contest 2 P0 - Secrets
DMOPC
3
33.4%
432
CCC '18 S1 - Voronoi Villages
CCC
3p
33.5%
3558
DMOPC '19 Contest 3 P4 - Same Colour Leaves
DMOPC
15
33.5%
120
Brap Lesh Mafia
Uncategorized
5
33.5%
345
TSOC '15 Contest 2 #1 - The Code
TSOC
5
33.5%
86
Graph Contest 2 P3 - Trees
Uncategorized
7
33.5%
148
COCI '18 Contest 3 #1 Magnus
COCI
5
33.5%
1590
DMOPC '14 Contest 7 P3 - Globally Unique Shells
DMOPC
5p
33.5%
238
Lemon
Uncategorized
10
33.5%
15
WC '16 Contest 1 S3 - Tricky's Treats
Woburn Challenge
12p
33.6%
143
WC '99 P4 - Goldfinger
Woburn Challenge
5
33.6%
97
COCI '10 Contest 1 #1 Timsko
COCI
3
33.6%
104
ECOO '16 R2 P3 - BattleShip
ECOO
7p
33.6%
31
UHCC1 P1 - PONG!
Uncategorized
3
33.6%
178
CCO '12 P4 - Editor Distance
CCO
10
33.6%
143
MALD Contest 1 P4 - Scratch Cat and Demolition
Uncategorized
15p
33.6%
51
Segment Tree Practice 1
Uncategorized
12
33.7%
50
James' Rectangles
Uncategorized
10p
33.7%
88
Sandwich
Uncategorized
5
33.7%
202
Mock CCC '18 Contest 1 J4/S2 - A Square Problem
Mock CCC
5
33.7%
424
Back To School '16: Paradox
Seasonal
5
33.7%
286
GlobeX Cup '19 S1 - Planet Classification
Uncategorized
5p
33.7%
149
COCI '08 Contest 3 #3 Cross
COCI
10
33.7%
44
Diagnostic Test '16 Level 2 P2 - Gibe clays
Uncategorized
3
33.7%
77
COCI '17 Contest 5 #2 Spirale
COCI
7p
33.8%
169
WC '16 Contest 1 S4 - TP
Woburn Challenge
12p
33.8%
31
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4585
WC '98 P5 - Y2K
Woburn Challenge
10
33.8%
31
DMOPC '18 Contest 3 P4 - Bob and English Class
DMOPC
15p
33.8%
122
Casino Crisis
Uncategorized
12p
33.8%
56
CCO '01 P3 - Partitions
CCO
12
33.9%
63
Bubble Sort
Uncategorized
7
33.9%
789
COCI '10 Contest 5 #4 Honi
COCI
10p
33.9%
31
Graph Contest 3 P1 - Travelling Salesmen
Uncategorized
7
33.9%
298
WC '99 P1 - The Matrix
Woburn Challenge
7
33.9%
44
CCO '10 P1 - Barking Dogs!
CCO
10
33.9%
232
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