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Random
Hot problems
CCC '24 S2 - Heavy-Light Composition
Max's Anger Contest Series 2 P3 - Array Anger
String Finding
CCO '07 P2 - Snowflakes
DMOPC '21 Contest 1 P1 - Partial Game
CCC '24 J4 - Troublesome Keys
Problem
Category ▾
Points
AC %
Users
JSB '19 - P1
CTF
5
8.4%
27
JSB '19 - P2
CTF
7
26.7%
16
JSB '19 - P3
CTF
7
38.8%
15
JSB '19 - P4
CTF
17
23.0%
9
JSB '19 - P5
CTF
15
19.2%
9
DMOJ Capture The Flag '20 G1 - Sanity Check
CTF
3
68.1%
340
DMOJ Capture The Flag '20 G2 - Where's the flag?
CTF
3
27.5%
225
DMOJ Capture The Flag '20 G3 - Git Gud
CTF
5
24.2%
45
DMOJ Capture The Flag '20 G4 - All the folders in the world
CTF
7
14.0%
9
DMOJ Capture The Flag '20 F1 - RGB
CTF
3
63.6%
144
DMOJ Capture The Flag '20 F2 - Queries & Strings
CTF
5
66.3%
50
DMOJ Capture The Flag '20 F4 - Wire on Shark
CTF
10
38.1%
7
DMOJ Capture The Flag '20 F3 - Four Taps
CTF
7
44.2%
22
DMOJ Capture The Flag '20 C1 - All the bases!
CTF
3
60.8%
106
DMOJ Capture The Flag '20 C2 - Small RSA
CTF
5
35.9%
98
DMOJ Capture The Flag '20 C3 - Small AES
CTF
7
71.0%
21
DMOJ Capture The Flag '20 C4 - Larger Encryption
CTF
10
61.5%
8
DMOJ Capture The Flag '20 R1 - Classic Java
CTF
5
69.2%
25
DMOJ Capture The Flag '20 R2 - EZ Assembly
CTF
7
53.3%
21
DMOJ Capture The Flag '20 R3 - Harder Assembly
CTF
7
29.4%
14
DMOJ Capture The Flag '20 R4 - Python Cycles
CTF
12
41.9%
13
DMOJ Capture The Flag '20 B1 - Super Secure Pseudorandom Number Generator
CTF
5
16.9%
49
DMOJ Capture The Flag '20 B2 - Strings
CTF
7
16.5%
23
DMOJ Capture The Flag '20 B3 - Classic Buffer Overflow
CTF
7
10.7%
25
CSPC '15 #1 - The Card Game
CSPC
3
16.6%
163
CSPC '15 #2 - Build Season
CSPC
3
40.1%
155
CSPC '15 #3 - Spell Check
CSPC
7
27.9%
81
CSPC '15 #4 - Reading Logs
CSPC
5
11.5%
22
CSPC '15 #5 - Averages
CSPC
5
18.0%
46
CSPC '15 #6 - Attendance
CSPC
7p
41.4%
31
COCI '14 Contest 1 #4 Mafija
COCI
15p
19.4%
113
COCI '14 Contest 1 #6 Kamp
COCI
20p
34.8%
141
COCI '14 Contest 1 #5 Zabava
COCI
15p
31.8%
132
COCI '14 Contest 1 #1 Prosjek
COCI
5p
58.5%
326
COCI '14 Contest 1 #2 Klopka
COCI
5p
44.9%
337
COCI '14 Contest 1 #3 Piramida
COCI
10p
11.9%
84
COCI '14 Contest 2 #5 Šuma
COCI
20p
19.0%
64
COCI '14 Contest 2 #1 Mobitel
COCI
5p
51.3%
205
COCI '14 Contest 2 #2 Utrka
COCI
5p
29.0%
745
COCI '14 Contest 2 #3 Studentsko
COCI
12p
44.9%
247
COCI '14 Contest 2 #4 Bob
COCI
20p
29.3%
120
COCI '14 Contest 2 #6 Norma
COCI
25p
16.7%
54
COCI '14 Contest 3 #1 Strojopis
COCI
5p
61.9%
165
COCI '14 Contest 3 #2 Dom
COCI
7p
29.0%
150
COCI '14 Contest 3 #3 Silueta
COCI
12p
29.9%
38
COCI '14 Contest 3 #4 Coci
COCI
15p
20.7%
202
COCI '14 Contest 3 #5 Stogovi
COCI
15p
25.9%
197
COCI '14 Contest 3 #6 Kamioni
COCI
30p
15.1%
18
COCI '14 Contest 4 #1 Cesta
COCI
5p
31.5%
182
COCI '14 Contest 4 #2 Pšenica
COCI
7p
16.3%
108
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