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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
WC '01 P3 - Back to the Future
A Math Contest P5 - Good Arrays
GFSSOC '15 Winter S1 - OR-deal
Counting Subsequences
CCC '11 S1 - English or French?
Problem
Category
Points
AC %
Users ▾
Caporegime
Uncategorized
10p
27.2%
34
COCI '16 Contest 7 #1 Baza
COCI
5p
75.5%
34
COCI '11 Contest 4 #3 Keks
COCI
7p
18.5%
34
COCI '13 Contest 5 #6 Ladice
COCI
17p
35.3%
34
COCI '13 Contest 6 #2 Font
COCI
7p
31.6%
34
Spring Coding Bowl '22 P2 - Chicken Strips
Uncategorized
5p
6.9%
34
DMOPC '21 Contest 7 P4 - Rocket Race
DMOPC
17p
7.1%
34
Another Random Contest 1 P4 - Bracket Query
Uncategorized
15p
44.3%
34
COCI '21 Contest 6 #2 Zemljište
COCI
10p
8.7%
34
COCI '22 Contest 2 #3 Lampice
COCI
17p
25.5%
34
WOSS Dual Olympiad 2022 J4: Fire on Christmas Day
Seasonal
7p
13.7%
34
Mock CCC '24 Contest 1 J5 - Mathland
Mock CCC
10p
8.1%
34
DMOPC '14 Contest 1 P6 - Biology Homework
DMOPC
17p
18.7%
33
Sword Art Online Judge 3
Seasonal
7
13.1%
33
CCCHK '15 J5 - No friends in the same group.
CCC
15p
9.8%
33
TLE '16 Contest 3 P3 - Mysterious Package
TLE
10p
14.7%
33
TLE '16 Contest 5 P5 - Better Ranking List
TLE
20p
24.9%
33
COCI '06 Contest 6 #6 Prostor
COCI
25p
27.7%
33
DMPG '17 B3 - Heroes
DMOPC
5p
9.0%
33
COCI '17 Contest 4 #4 Vođe
COCI
12p
41.7%
33
Mock CCO '18 Contest 3 Problem 3 - Roger Just Plays Some More Chess
Mock CCO
20p
12.3%
33
Back To School '18: Function Maximization
Seasonal
25p
13.8%
33
APIO '08 P3 - DNA
APIO
15p
31.1%
33
IOI '19 P5 - Vision Program
IOI
20p
8.2%
33
COCI '19 Contest 3 #3 Drvca
COCI
15p
17.7%
33
NOI '09 P4 - Plants vs. Zombies
China NOI
25p
22.3%
33
IOI '95 P4 - Letter Game
IOI
15p
26.9%
33
COCI '12 Contest 1 #2 F7
COCI
7
50.7%
33
WC '15 Contest 3 S2 - Detective Work
Woburn Challenge
10
36.9%
33
WC '15 Contest 2 S3 - Revenge of the Sith
Woburn Challenge
15p
18.5%
33
WC '16 Finals S2 - Rational Recipes
Woburn Challenge
7p
32.2%
33
WC '16 Contest 3 J1 - The Elite N
Woburn Challenge
7p
18.6%
33
WC '15 Contest 2 S2 - Attack of the Clones
Woburn Challenge
12p
13.9%
33
WC '17 Contest 1 S3 - Crosscountry Canada
Woburn Challenge
15p
30.3%
33
COCI '09 Contest 7 #5 Kraljevi
COCI
15p
25.7%
33
T-800's Escape
Uncategorized
10
17.1%
33
N-K Special
Uncategorized
10p
8.4%
33
James' XOR Update
Uncategorized
12p
28.7%
33
COCI '13 Contest 4 #3 Sumo
COCI
10p
28.0%
33
COCI '12 Contest 5 #2 Arhipelag
COCI
7p
30.3%
33
UCRPC F21 F - Trip Navigator
ICPC
12p
39.6%
33
SAC '22 Code Challenge 3 Junior P5 - Normal Encoding
SAC Coding Challenge
10p
17.8%
33
Another Random Contest 1 P3 - Physics Olympics
Uncategorized
7p
30.1%
33
DMOPC '21 Contest 8 P5 - Tree Building
DMOPC
25p
9.2%
33
CCO '22 P5 - Phone Plans
CCO
20p
12.8%
33
APIO '23 P1 - Cyberland
APIO
17p
8.6%
33
CCO Preparation Test 2 P1 - Concatenation
Mock CCO
17p
13.1%
32
COCI '14 Contest 7 #6 Police
COCI
30p
12.9%
32
DMOPC '15 Contest 7 P4 - Magic
DMOPC
10p
10.3%
32
COCI '15 Contest 1 #5 Relativnost
COCI
17p
13.6%
32
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