Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71366
1915C
Can I Square?
binary search
,
implementation
800
x37976
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x28626
1566A
Median Maximization
binary search
,
greedy
,
math
800
x22791
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21661
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x19406
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x15926
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17448
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x35228
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x26638
978C
Letters
binary search
,
implementation
,
two pointers
1000
x24495
1744C
Traffic Light
binary search
,
implementation
,
two pointers
1000
x24487
1593C
Save More Mice
binary search
,
greedy
,
greedy
1000
x24096
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x23674
1195B
Sport Mafia
binary search
,
brute force
,
math
1000
x19170
1809B
Points on Plane
binary search
,
greedy
,
math
1000
x19092
1725B
Basketball Together
binary search
,
greedy
,
sortings
1000
x11877
195A
Let's Watch Football
binary search
,
brute force
,
math
1000
x8498
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58772
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x33423
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x31556
1366A
Shovels and Swords
binary search
,
greedy
,
math
1100
x29045
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x27006
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x26974
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25533
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x24789
1463A
Dungeon
binary search
,
math
1100
x24537
1669F
Eating Candies
binary search
,
data structures
,
greedy
,
two pointers
1100
x23374
1873E
Building an Aquarium
binary search
,
sortings
1100
x23309
1850E
Cardboard for Pictures
binary search
,
geometry
,
implementation
,
math
1100
x21045
1862C
Flower City Fence
binary search
,
data structures
,
implementation
,
sortings
1100
x19783
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x19049
1288A
Deadline
binary search
,
brute force
,
math
,
ternary search
1100
x17903
166A
Rank List
binary search
,
implementation
,
sortings
1100
x16845
1293A
ConneR and the A.R.C. Markland-N
binary search
,
brute force
,
implementation
1100
x15008
1902B
Getting Points
binary search
,
brute force
,
greedy
1100
x13422
1904B
Collecting Game
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1100
x13063
1042A
Benches
binary search
,
implementation
1100
x12528
1884B
Haunted House
binary search
,
greedy
,
math
,
two pointers
1100
x11760
1099B
Squares and Segments
binary search
,
constructive algorithms
,
math
1100
x10999
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10957
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71562
1352C
K-th Not Divisible by n
binary search
,
math
1200
x50438
474B
Worms
binary search
,
implementation
1200
x45106
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x29396
1613C
Poisoned Dagger
binary search
1200
x22689
1742E
Scuza
binary search
,
greedy
,
math
1200
x22249
1006C
Three Parts of the Array
binary search
,
data structures
,
two pointers
1200
x20369
1221C
Perfect Team
binary search
,
math
1200
x20193
1692E
Binary Deque
binary search
,
implementation
,
two pointers
1200
x20131
1853B
Fibonaccharsis
binary search
,
brute force
,
math
1200
x16595
1860B
Fancy Coins
binary search
,
brute force
,
greedy
,
math
1200
x16132
1671C
Dolce Vita
binary search
,
brute force
,
greedy
,
math
1200
x16015
1928B
Equalize
binary search
,
greedy
,
sortings
,
two pointers
1200
x15495
1886B
Fear of the Dark
binary search
,
geometry
,
math
1200
x15275
637B
Chat Order
*special problem
,
binary search
,
constructive algorithms
,
data structures
,
sortings
1200
x15100
1131C
Birthday
binary search
,
greedy
,
sortings
1200
x14561
1530C
Pursuit
binary search
,
brute force
,
greedy
,
sortings
1200
x14273
743B
Chloe and the sequence
binary search
,
bitmasks
,
constructive algorithms
,
implementation
1200
x14271
1763B
Incinerate
binary search
,
brute force
,
data structures
,
implementation
,
math
,
sortings
1200
x13977
1848B
Vika and the Bridge
binary search
,
data structures
,
greedy
,
implementation
,
math
,
sortings
1200
x13508
1951B
Battle Cows
binary search
,
data structures
,
greedy
1200
x12373
911B
Two Cakes
binary search
,
brute force
,
implementation
1200
x11037
1011B
Planning The Expedition
binary search
,
brute force
,
implementation
1200
x9821
1100C
NN and the Optical Illusion
binary search
,
geometry
,
math
1200
x9737
732C
Sanatorium
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
1200
x9478
302B
Eugeny and Play List
binary search
,
implementation
,
two pointers
1200
x7823
424B
Megacity
binary search
,
greedy
,
implementation
,
sortings
1200
x7357
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70450
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x28208
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x27620
1538C
Number of Pairs
binary search
,
data structures
,
math
,
two pointers
1300
x27161
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21361
1476B
Inflation
binary search
,
brute force
,
greedy
,
math
1300
x19515
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x18543
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18376
251A
Points on Line
binary search
,
combinatorics
,
two pointers
1300
x16814
1574C
Slay the Dragon
binary search
,
greedy
,
sortings
,
ternary search
1300
x16599
1498B
Box Fitting
binary search
,
bitmasks
,
data structures
,
greedy
1300
x16191
1862D
Ice Cream Balls
binary search
,
combinatorics
,
constructive algorithms
,
math
1300
x16162
1612C
Chat Ban
binary search
,
math
1300
x15938
1260B
Obtain Two Zeroes
binary search
,
math
1300
x15115
1217A
Creating a Character
binary search
,
math
1300
x14726
1617C
Paprika and Permutation
binary search
,
greedy
,
math
,
sortings
1300
x14623
1736C1
Good Subarrays (Easy Version)
binary search
,
data structures
,
schedules
,
two pointers
1300
x14566
96B
Lucky Numbers (easy)
binary search
,
bitmasks
,
brute force
1300
x14533
1873F
Money Trees
binary search
,
greedy
,
math
,
two pointers
1300
x14006
1913C
Game with Multiset
binary search
,
bitmasks
,
brute force
,
greedy
1300
x13818
1561C
Deep Down Below
binary search
,
greedy
,
sortings
1300
x13605
1279B
Verse For Santa
binary search
,
brute force
,
implementation
1300
x13367
1794C
Scoring Subsequences
binary search
,
greedy
,
math
,
two pointers
1300
x12574
271B
Prime Matrix
binary search
,
brute force
,
math
,
number theory
1300
x12467
1076C
Meme Problem
binary search
,
math
1300
x12114
1187B
Letters Shop
binary search
,
implementation
,
strings
1300
x12051
1807E
Interview
binary search
,
implementation
,
interactive
1300
x11960
1870C
Colorful Table
binary search
,
data structures
,
dp
,
implementation
,
math
,
two pointers
1300
x10815
1973B
Cat, Fox and the Lonely Array
binary search
,
bitmasks
,
data structures
,
greedy
,
math
,
two pointers
1300
x10484
192A
Funky Numbers
binary search
,
brute force
,
implementation
1300
x10159
1119B
Alyona and a Narrow Fridge
binary search
,
flows
,
greedy
,
sortings
1300
x9946
1737B
Ela's Fitness and the Luxury Number
binary search
,
implementation
,
math
1300
x9212
←
1
2
3
...
10
11
→
→ Pay attention
Before contest
Codeforces Round 947 (Div. 1 + Div. 2)
19:13:04
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
binary search
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
User lists
Name