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Hot problems
COCI '25 Contest 5 #5 Struktura
COCI '21 Contest 5 #4 Radio
APIO '15 P3 - Palembang Bridges
CCC '26 S2 - Beams of Light
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement
COCI '25 Contest 5 #3 Pet
Longest Increasing Subsequence
Problem
Category
Points
AC %
Users
DMOJ Capture The Flag '20 G1 - Sanity Check
CTF
3
68.5%
403
DMOJ Capture The Flag '20 C2 - Small RSA
CTF
5
37.6%
107
DMOJ Capture The Flag '20 C3 - Small AES
CTF
7
65.7%
22
DMOJ Capture The Flag '20 C4 - Larger Encryption
CTF
10
61.5%
8
DMOJ Capture The Flag '20 R1 - Classic Java
CTF
5
64.4%
27
DMOJ Capture The Flag '20 R2 - EZ Assembly
CTF
7
53.2%
22
DMOJ Capture The Flag '20 R3 - Harder Assembly
CTF
7
30.2%
15
DMOJ Capture The Flag '20 R4 - Python Cycles
CTF
12
45.5%
15
DMOJ Capture The Flag '20 B1 - Super Secure Pseudorandom Number Generator
CTF
5
23.4%
54
DMOJ Capture The Flag '20 B2 - Strings
CTF
7
16.3%
24
DMOJ Capture The Flag '20 B3 - Classic Buffer Overflow
CTF
7
10.1%
27
DMOJ Capture The Flag '20 G2 - Where's the flag?
CTF
3
29.1%
268
DMOJ Capture The Flag '20 G3 - Git Gud
CTF
5
24.8%
49
DMOJ Capture The Flag '20 G4 - All the folders in the world
CTF
7
14.6%
10
DMOJ Capture The Flag '20 F1 - RGB
CTF
3
63.4%
167
DMOJ Capture The Flag '20 F2 - Queries & Strings
CTF
5
68.0%
63
DMOJ Capture The Flag '20 F3 - Four Taps
CTF
7
41.3%
25
DMOJ Capture The Flag '20 F4 - Wire on Shark
CTF
10
38.1%
7
DMOJ Capture The Flag '20 C1 - All the bases!
CTF
3
60.7%
125
EGOI '21 P1 - Zeros
EGOI
7p
16.5%
143
EGOI '21 P2 - Luna Likes Love
EGOI
12p
26.5%
86
EGOI '22 P1 - SubsetMex
EGOI
10p
36.6%
106
EGOI '22 P2 - Lego Wall
EGOI
15p
11.3%
38
EGOI '22 P3 - Social Engineering
EGOI
15p
7.6%
28
EGOI '22 P5 - Data Centers
EGOI
10p
28.7%
87
EGOI '22 P6 - Superpiece
EGOI
20p
5.9%
17
EGOI '23 P1 - Inflation
EGOI
7p
28.2%
264
EGOI '23 P2 - Padel Prize Pursuit
EGOI
10p
20.6%
62
EGOI '23 P3 - Find the Box
EGOI
17p
16.6%
30
EGOI '23 P4 - Bikes vs Cars
EGOI
20p
12.4%
18
EGOI '23 P5 - Carnival General
EGOI
10p
24.6%
98
EGOI '23 P6 - Candy
EGOI
12p
24.3%
91
EGOI '23 P7 - Sopsug
EGOI
17p
6.1%
22
EGOI '23 P8 - Guessing Game
EGOI
50p
1.9%
12
Power Distribution
Uncategorized
7p
14.2%
36
Assembly Elves
Uncategorized
10p
9.3%
19
Emoji Search
Uncategorized
5
48.0%
136
Encode
Uncategorized
5
28.8%
264
Equivalent Addresses
Uncategorized
7
33.1%
21
Evan's Cube
Uncategorized
12p
27.4%
12
Exam Prep
Uncategorized
7p
25.6%
282
Executable Format
Uncategorized
10
28.3%
22
Expected Value
Uncategorized
15
24.8%
23
Fast Factorial Calculator
Uncategorized
7
16.1%
585
Fast Factorial Calculator 2
Uncategorized
20p
10.0%
70
Fast Factorial Calculator 3
Uncategorized
40
2.3%
11
Factorial Calculator
TLE
7p
19.6%
89
Factors
Uncategorized
7
8.8%
59
Fair Competition
Olympiads School
5
33.7%
132
Falling Snowflakes
Uncategorized
15p
21.6%
28
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