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Hot problems
CEOI '16 P2 - Kangaroo
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
APIO '10 P1 - Commando
CCC '24 J3 - Bronze Count
CCC '24 S4 - Painting Roads
WC '96 P6 - Bases Multiplication
Problem
Category
Points
AC % ▴
Users
Another Contest 6 Problem 0 - Another Warmup Problem
ACC
0
4.8%
8
IOI '21 P3 - Fountain Parks
IOI
30p
4.8%
7
GFSSOC '17 S3 - Zhany Zhanbies
GFSSOC
12
4.8%
14
AQT's Tree Game
Uncategorized
30
4.8%
14
ETSR '23 Onsite Round 1 Problem 3 - Travel
Uncategorized
17p
4.8%
20
CCCHK '15 S2 - Matching Problem
CCC
10p
4.9%
14
DMOPC '22 Contest 3 P4 - Sketchy Cereal
DMOPC
30p
4.9%
22
COCI '21 Contest 3 #3 Akcija
COCI
30p
4.9%
9
IOI '23 P4 - Beech Tree
IOI
35p
4.9%
3
Yet Another Contest 8 P5 - Hidden Tree
YAC
20p
5.0%
10
Bubble Cup V9 B Underfail
Bubble Cup
20
5.0%
2
CCCHK '15 S5 - Can I pass the courses?
CCC
25p
5.0%
6
EGOI '22 P6 - Superpiece
EGOI
20p
5.0%
8
NOIP '20 P4 - WeRun
China NOI
20p
5.0%
2
Bohemian Rhaksody
Uncategorized
45p
5.0%
10
ETSR '23 Online Round 2 Problem 4 - Queue
Uncategorized
17p
5.0%
15
TLE '16 Contest 6 (Mock CCC) J5 - Meal Plan
TLE
10p
5.1%
13
NOIP '22 P2 - Meow Meow
China NOI
20p
5.1%
8
IOI '19 P2 - Split the Attractions
IOI
40p
5.1%
26
ETSR '23 Online Round 2 Problem 3 - Stone Game
Uncategorized
15p
5.1%
44
CCC '06 S2 - Attack of the CipherTexts
CCC
5
5.2%
239
ICPC ECNA 2000 A - Picnic Planning
ICPC
15
5.2%
4
Dream and the Multiverse
Uncategorized
50p
5.2%
2
JOI '18 Open P1 - Bubble Sort 2
JOI
20p
5.2%
26
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri
Mock CCC
12p
5.2%
54
TLE '17 Contest 2 P6 - Save Jody!
TLE
25p
5.2%
6
Another Small Favour
Uncategorized
15p
5.3%
9
Baltic OI '14 P4 - Demarcation
Baltic OI
40p
5.3%
1
IOI '22 P5 - Rarest Insects
IOI
30p
5.3%
22
DMOPC '18 Contest 5 P6 - An XOR Problem
DMOPC
25p
5.3%
5
Carving Tiny Fractions
Uncategorized
25p
5.3%
4
NOI '99 P6 - Memory Allocation
China NOI
20p
5.3%
7
TLE 2018-19 P1 - Hello, World!
Seasonal
20p
5.3%
22
DS '19 Day 1 P1 - Arithmetic Square
Seasonal
20p
5.4%
1
DMOPC '22 Contest 4 P6 - K-Sort
DMOPC
30p
5.4%
5
COCI '06 Contest 3 #5 Bicikli
COCI
15
5.4%
100
CCO '06 P4 - CN Tower 2
CCO
30
5.4%
11
COCI '17 Contest 4 #6 Ceste
COCI
25p
5.4%
7
CCC '02 J1 - 0123456789
CCC
3
5.4%
724
COCI '15 Contest 5 #5 OOP
COCI
20p
5.4%
9
New Year's '16 P5 - Eggnog Dilemma
Seasonal
12p
5.4%
23
New Year's '18 P5 - Hanoi Heuristics
Seasonal
15p
5.4%
9
Mock CCC '19 Contest 2 S3 - Tudor Tallies Triangular Totals
Mock CCC
10p
5.4%
62
Cheerio Contest 3 P3 - Everything Array
Uncategorized
12p
5.4%
75
New Year's '19 P4 - A Button Challenge
Seasonal
15p
5.5%
7
Mock CCC '22 1 S5 - Berkeley Math Tournament Awards Ceremony
Mock CCC
35p
5.5%
7
Canada Day Contest 2021 - Half Heart
Seasonal
25
5.5%
8
NOIP '04 P4 - Bugs Eating Computation
China NOI
15p
5.5%
9
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem
Mock CCO
15p
5.5%
5
Mock CCC '22 2 S5 - Kaguya Wants to go Window Shopping with Kei Shirogane
Mock CCC
30p
5.5%
5
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