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Random
Hot problems
CCC '00 S1 - Slot Machines
Knapsack 4
ICPC PACNW 2016 A - Alphabet
COCI '10 Contest 4 #2 Parket
Educational DP Contest AtCoder B - Frog 2
CCC '23 S2 - Symmetric Mountains
Another Random Contest 1 P5 - A Strange Country
Problem
Category
Points
AC %
Users ▾
CCO '14 P3 - Werewolf
CCO
17p
42.1%
194
TLE '17 Contest 4 P2 - Microwave Buttons
TLE
5p
31.1%
194
Mock CCC '22 1 S3 - IU
Mock CCC
7p
40.0%
194
Mock CCC '22 Contest 2 J4 - Hockey Bracket
Mock CCC
7p
18.4%
194
Mock CCC '20 Contest 1 J4 - A Binary Problem
Mock CCC
5p
11.1%
193
Tree Tasks
Uncategorized
10
30.2%
193
DMPG '19 B4 - Braille
DMOPC
5
43.7%
192
Lil' Jami
Uncategorized
5p
17.0%
192
COCI '07 Contest 3 #3 Tajna
COCI
5
52.3%
191
Valentine's Day '18 J4 & S1 - Carol's Cute Cactus
Mock CCC
7
36.1%
191
WC '96 P5 - Plentiful Paths
Woburn Challenge
7
36.7%
191
Another Contest 7 Problem 3 - Network Connections
ACC
10p
26.8%
191
DMOPC '15 Contest 1 P3 - Itami and Cipher
DMOPC
7p
28.2%
190
CCC '02 S5 - Follow the Bouncing Ball
CCC
10
13.8%
190
Wesley's Anger Contest 5 Problem 2 - MATH 137 at Squirreloo
WAC
7p
39.0%
190
DMOPC '18 Contest 5 P1 - A Painting Problem
DMOPC
3p
35.1%
189
Rock Climbing
Uncategorized
5
22.4%
189
April Fools' Day Contest 1 P3 - Author
Uncategorized
0
47.7%
189
CCO '10 P2 - Tree Pruning
CCO
15
29.7%
188
COCI '07 Contest 5 #2 Pascal
COCI
5
15.8%
188
DMOPC '18 Contest 2 P2 - Booster Cushions
DMOPC
5p
18.3%
188
Modulo Sort
Uncategorized
5p
37.3%
188
IOI '04 P2 - Hermes
IOI
15p
23.5%
188
IOI '14 P5 - Friend (Standard I/O)
IOI
30p
18.2%
188
IOI '15 P1 - Boxes with Souvenirs (Standard I/O)
IOI
15p
8.3%
188
Mock CCC '24 Contest 1 S2 - Owen the Toucan
Mock CCC
7p
33.1%
188
DMOPC '15 Contest 2 P3 - Origami
DMOPC
7p
16.4%
187
UTS Open '21 P3 - Latin Class
Uncategorized
10p
42.1%
187
ECOO '20 P1 - Music with Mimi
ECOO
3p
45.6%
187
Mock DWITE '09 P1 - Super Special Awesome Numbers =D
Uncategorized
5p
41.4%
187
Appleby Contest '20 P3 - Ridiculous String
Uncategorized
10p
17.5%
187
DMOPC '21 Contest 1 P2 - Folding Clothes
DMOPC
7p
31.7%
187
Mock CCC '24 Contest 1 J3 - RGB Words
Mock CCC
5p
13.3%
187
GFSSOC '14 Winter S3 - Hide n Seek
GFSSOC
12p
25.0%
186
MWC '15 #7 P2: Thief in the Night
MWC
5p
38.2%
186
DWITE '07 R4 #4 - Shortest path around
DWITE
7
42.3%
186
TLE '17 Contest 3 P3 - Fax's Thanksgiving Dish
TLE
10p
31.5%
186
DMOPC '19 Contest 3 P2 - Generating Names
DMOPC
7p
27.0%
186
Bulgarian OI '09 P2 - Boxen
Bulgarian OI
12
41.5%
186
IOI '15 P5 - Sorting (Standard I/O)
IOI
25p
18.6%
186
NOIP '18 P1 - Paving Roads
China NOI
7p
50.8%
186
Cheerio Contest 1 J3 - Festival
Uncategorized
5
45.5%
186
Yet Another Contest 5 P1 - Number Pyramid
YAC
7p
18.9%
186
Guess the Sequence
Uncategorized
3p
5.9%
185
COCI '15 Contest 5 #1 Zamka
COCI
3
49.5%
185
Graph Contest 3 P3 - Cable TV
Uncategorized
7
39.1%
185
BSSPC '21 J2 - James and Youtube
Uncategorized
3
31.0%
185
Mock CCC '22 1 S2 - IU
Mock CCC
5p
21.4%
185
CCC '22 S5 - Good Influencers
CCC
17p
32.6%
185
Breaking the Friend Chain
Uncategorized
7
28.9%
184
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