Home
Problems
Submissions
Users
Contests
About
>
Status
Tips
API
Github
Log in
or
Sign up
This site works best with JavaScript enabled.
Problems
«
1
2
...
62
63
64
65
66
67
...
99
100
»
Problem search
Full text search
Has editorial
Show problem types
Category
All
---
AAC
ACC
APIO
Balkan OI
Baltic OI
BlueBook
Brazil OI
Bubble Cup
Bulgarian OI
CCC
CCO
CEOI
China NOI
Classics
COCI
CSPC
CTF
Data Structure Tests
DMOPC
DWITE
ECOO
EGOI
ESOI
FHC
Fun Math
GFSSOC
Google Code Jam
Google Hash Code
Google Kick Start
ICPC
IOI
JOI
Mock CCC
Mock CCO
MWC
Olympiads School
POI
SAC Coding Challenge
Seasonal
SIUCF
Taiwan NOI
TLE
TSOC
Uncategorized
VM7WC
WAC
Waterloo Local
Woburn Challenge
YAC
Point range
Go
Random
Hot problems
CCC '21 J3 - Secret Instructions
Problem ▾
Category
Points
AC %
Users
CPC '19 Contest 1 P3 - Admiral Kuznetsov
Uncategorized
12p
15.7%
76
CPC '19 Contest 1 P2 - Luggage
Uncategorized
7p
27.0%
325
CPC '19 Contest 1 P1 - Distance
Uncategorized
3p
55.5%
339
CPC '19 Contest 1 P0 - Shoes
Uncategorized
3p
56.9%
263
Counting Subsequences
Uncategorized
10
21.5%
306
Counting Problem
Uncategorized
17
45.5%
5
Count The Triplets
Uncategorized
7
10.5%
170
Cosmic Inflation
Uncategorized
7
50.0%
28
Continuous Time Finance
Uncategorized
0p
69.1%
28
Conquer The Future
Uncategorized
0
44.4%
7
Confirmation Bias
Uncategorized
10
13.6%
37
Comparing Arrays
Uncategorized
15p
16.9%
62
Committing Time Fraud
Uncategorized
0
1.8%
7
Collate The Findings
Uncategorized
0
15.3%
35
Coin Change
Uncategorized
7
40.4%
730
COI '20 #4 MalnaRISC
COCI
20p
2.9%
8
COI '20 #3 Izvanzemaljci
COCI
25p
0.9%
1
COI '20 #2 Cigle
COCI
20p
17.5%
21
COI '20 #1 Autobahn
COCI
15p
11.4%
28
COI '19 #4 Zagrade
COCI
15p
21.5%
17
COI '19 #3 Semafor
COCI
20p
16.7%
1
COI '19 #2 Pastiri
COCI
35p
3.9%
4
COI '19 #1 Paint
COCI
40p
6.5%
8
COI '18 #4 Tenis
COCI
30p
15.4%
4
COI '18 #3 Segway
COCI
12p
40.0%
4
COI '18 #2 Ljepotica
COCI
15p
26.7%
7
COI '18 #1 Izlet
COCI
30p
0.0%
0
COI '17 #4 Zagonetka
COCI
17p
2.1%
2
COI '17 #3 Svjetlost
COCI
25p
0.0%
0
COI '17 #2 Pick
COCI
20p
0.0%
0
COI '17 #1 Paprike
COCI
12p
52.9%
27
COI '16 #4 Zagrade
COCI
25p
25.0%
10
COI '16 #3 Trapezi
COCI
35p
0.0%
0
COI '16 #2 Raspad
COCI
30p
60.0%
3
COI '16 #1 Ili
COCI
17p
42.9%
3
COI '15 #4 Torrent
COCI
25p
35.2%
22
COI '15 #3 Relay
COCI
30p
20.7%
5
COI '15 #2 Palinilap
COCI
25p
20.3%
13
COI '15 #1 Dijamant
COCI
25p
44.4%
8
COI '14 #4 Sir
COCI
25p
27.9%
9
COI '14 #3 Ogledala
COCI
30p
22.2%
2
COI '14 #2 Kovanice
COCI
15p
12.1%
19
COI '14 #1 Čvenk
COCI
17p
25.0%
3
COI '13 #4 Nizovi
COCI
20p
10.2%
11
COI '13 #3 Mostovi
COCI
30p
12.0%
8
COI '13 #2 Histogrami
COCI
30p
11.1%
1
COI '13 #1 CSS
COCI
20p
7.7%
8
COI '12 #4 Spijuni
COCI
10p
30.4%
24
COI '12 #3 Snjeguljica
COCI
17p
46.2%
21
COI '12 #2 Rotacije
COCI
30p
12.5%
1
«
1
2
...
62
63
64
65
66
67
...
99
100
»