Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Rayan
→ Pay attention
Before contest
Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
4 days
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16312
1616A
Integer Diversity
implementation
800
x22846
1615A
Closing The Gap
greedy
,
math
800
x20839
1614A
Divan and a Store
brute force
,
constructive algorithms
,
greedy
800
x23522
1613A
Long Comparison
implementation
,
math
900
x24697
1612B
Special Permutation
constructive algorithms
,
greedy
900
x17309
1612A
Distance
brute force
,
constructive algorithms
800
x17709
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x29831
1611A
Make Even
constructive algorithms
,
math
800
x31613
1610A
Anti Light's Cell Guessing
math
900
x16152
1609A
Divide and Multiply
greedy
,
implementation
,
math
,
number theory
900
x17196
1608A
Find Array
constructive algorithms
,
math
800
x19133
1607B
Odd Grasshopper
math
900
x26852
1607A
Linear Keyboard
implementation
,
strings
800
x37663
1606A
AB Balance
strings
900
x25190
1605A
A.M. Deviation
math
,
number theory
800
x20704
1604A
Era
greedy
800
x21635
1602A
Two Subsequences
implementation
800
x19062
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x23575
1594A
Consecutive Sum Riddle
math
800
x24894
1593B
Make it Divisible by 25
dfs and similar
,
dp
,
greedy
,
math
,
math
900
x27738
1593A
Elections
math
800
x37111
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x22410
1585B
Array Eversion
greedy
900
x15216
1585A
Life of a Flower
implementation
800
x17922
1584C
Two Arrays
greedy
,
math
,
sortings
900
x16510
1584A
Mathematical Addition
math
800
x14947
1583A
Windblume Ode
math
,
number theory
800
x13773
1582B
Luntik and Subsequences
combinatorics
,
math
900
x20961
1582A
Luntik and Concerts
math
800
x18610
1581A
CQXYM Count Permutations
combinatorics
,
math
,
number theory
800
x13508
1579A
Casimir's String Solitaire
math
,
strings
800
x39120
1574A
Regular Bracket Sequences
constructive algorithms
800
x21953
1573A
Countdown
greedy
800
x21234
1571A
Sequence of Comparisons
*special problem
800
x1327
1569A
Balanced Substring
implementation
800
x25626
1567A
Domino Disaster
implementation
,
strings
800
x30226
1566B
MIN-MEX Cut
bitmasks
,
constructive algorithms
,
dp
,
greedy
800
x19764
1566A
Median Maximization
binary search
,
greedy
,
math
800
x23571
1562A
The Miracle and the Sleeper
greedy
,
math
800
x25695
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16616
1560C
Infinity Table
implementation
,
math
800
x26734
1560B
Who's Opposite?
math
800
x35959
1560A
Dislike of Threes
implementation
800
x60967
1559B
Mocha and Red and Blue
dp
,
greedy
900
x22666
1559A
Mocha and Math
bitmasks
,
constructive algorithms
,
math
900
x32010
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x28007
1556A
A Variety of Operations
math
800
x18119
1555A
PizzaForces
brute force
,
math
900
x28288
1554A
Cherry
greedy
800
x29501
1553A
Digits Sum
math
,
number theory
800
x31275
1552A
Subsequence Permutation
sortings
,
strings
800
x23955
1551B1
Wonderful Coloring - 1
greedy
,
strings
800
x29628
1551A
Polycarp and Coins
greedy
,
math
800
x51559
1550A
Find The Array
greedy
,
math
800
x28253
1549B
Gregor and the Pawn Game
dfs and similar
,
dp
,
flows
,
graph matchings
,
graphs
,
greedy
,
implementation
800
x24584
1549A
Gregor and Cryptography
math
,
number theory
800
x32759
1547B
Alphabetical Strings
greedy
,
implementation
,
strings
800
x26518
1547A
Shortest Path with Obstacle
implementation
,
math
800
x30600
1546A
AquaMoon and Two Arrays
brute force
,
greedy
800
x18251
1543B
Customising the Track
combinatorics
,
greedy
,
math
900
x23247
1543A
Exciting Bets
greedy
,
math
,
number theory
900
x28753
1542A
Odd Set
math
800
x45294
1541A
Pretty Permutations
constructive algorithms
,
greedy
,
implementation
800
x29533
1539B
Love Song
dp
,
implementation
,
strings
800
x24693
1538B
Friends and Candies
greedy
,
math
800
x31794
1538A
Stone Game
brute force
,
dp
,
greedy
800
x37165
1537B
Bad Boy
constructive algorithms
,
greedy
,
math
900
x30498
1537A
Arithmetic Array
greedy
,
math
800
x37569
1536A
Omkar and Bad Story
brute force
,
constructive algorithms
800
x20238
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x30794
1535A
Fair Playoff
brute force
,
implementation
800
x50271
1534A
Colour the Flag
brute force
,
implementation
800
x12779
1530B
Putting Plates
constructive algorithms
,
implementation
800
x15812
1530A
Binary Decimal
greedy
,
math
800
x21136
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29860
1527A
And Then There Were K
bitmasks
800
x36054
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x24260
1525B
Permutation Sort
constructive algorithms
,
greedy
900
x25014
1525A
Potion-making
math
,
number theory
800
x25682
1523A
Game of Life
implementation
800
x13522
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x44874
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x52279
1519B
The Cake Is a Lie
dp
,
math
800
x31081
1519A
Red and Blue Beans
math
800
x29045
1517A
Sum of 2050
greedy
,
math
800
x25629
1516A
Tit for Tat
greedy
800
x23512
1515A
Phoenix and Gold
constructive algorithms
,
greedy
,
math
800
x20264
1514A
Perfectly Imperfect Array
math
,
number theory
800
x24293
1513A
Array and Peaks
constructive algorithms
,
implementation
800
x19446
1512B
Almost Rectangle
implementation
800
x25495
1512A
Spy Detected!
brute force
,
implementation
800
x65322
1511A
Review Site
greedy
800
x27753
1509A
Average Height
constructive algorithms
800
x26083
1506A
Strange Table
math
800
x30771
1505A
Is it rated - 2
*special problem
,
implementation
,
interactive
900
x14627
1504A
Déjà Vu
constructive algorithms
,
strings
800
x21781
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x19319
1501A
Alexey and Train
implementation
800
x11647
1499A
Domino on Windowsill
combinatorics
,
constructive algorithms
,
math
800
x21312
←
1
2
...
4
5
6
7
8
...
12
13
→
User lists
Name