electi
code
Home
Courses
Resources
Problems
Compete
English
Open main menu
...
Problem List
Practice your algorithmic skills with these problems
All Tags (527)
Arrays (1)
BIG integers (14)
Dynamic Programming (1)
Khimio (12)
binary-search (7)
bipartite (1)
bool (12)
char (10)
combinatorics (1)
difference-array (1)
divisibility (1)
doubles (10)
dsu (1)
egoi10 (5)
egoi11 (5)
egoi8 (5)
egoi9 (5)
functions (3)
gready (1)
if (38)
inclusion-exclusion (2)
integers (19)
introduction to C++ (3)
ioi-test (7)
loops - part 1 (11)
loops - part 2 (10)
loops - part 3 (7)
loops - part 4 (6)
olympiad (23)
prefix-sum (2)
stars-and-bars (1)
string (8)
string & chars (6)
string-advanced (3)
All Difficulties
Easy (1)
Hard (1)
Medium (5)
Hide solved
527 problems
|
Difficulty
Solved
#
loops - part 1
×337
123
loops - part 4
×241
4D Objects
×6
a^2 * a^3 = a^5
BIG integers
×295
|a - b|
BIG integers
×325
a-b
integers
×550
a/b
integers
×530
a+b
integers
×547
A / B
doubles
×284
A + B
Khimio
×530
ABABABA2026
×122
a+b+c+d
integers
×483
A four-digit odd number
if
×329
Again, five times five --- twenty-five!
BIG integers
×198
Alice and Bob playing an easy game
×213
All even
loops - part 1
×231
All numbers from 1 to N
loops - part 1
×238
All numbers from l to r
loops - part 1
×226
All odd
loops - part 1
×245
Almost increasing
×161
Almost Palindrome
×35
Alphabet
string & chars
×136
a mod b
integers
×481
Ant
×48
Antiqa globus
×55
A puzzle about queens
×34
Aquarium
introduction to C++
×493
Aquilla
×5
Archivist
×39
Area of a rectangle
BIG integers
×219
Area of a right triangle
doubles
×162
Arithmetic Averages
doubles
×191
Arithmetic expression
integers
×377
Arithmetic Game
×77
Arithmetic progression
loops - part 1
×162
Arithmetic sum
Khimio
×220
Arrangement
×19
Arrays and Queries
×39
a x b
BIG integers
×256
Back and forth
×15
Balloonburst
×56
b + a or a + b
string
if
×174
Beautiful name
×24
Beautiful Numbers
×25
Bee
×22
Binary Sequences
×0
Binary String
×15
Bit Days
×6
Book and Stamps
×18
Bookshelf
×14
←
1
2
...
11
→