Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
996B
World Cup
binary search
,
math
1300
x8853
1315B
Homecoming
binary search
,
dp
,
greedy
,
strings
1300
x8962
1737B
Ela's Fitness and the Luxury Number
binary search
,
implementation
,
math
1300
x9195
1119B
Alyona and a Narrow Fridge
binary search
,
flows
,
greedy
,
sortings
1300
x9854
192A
Funky Numbers
binary search
,
brute force
,
implementation
1300
x10132
1870C
Colorful Table
binary search
,
data structures
,
dp
,
implementation
,
math
,
two pointers
1300
x10750
1807E
Interview
binary search
,
implementation
,
interactive
1300
x11907
1187B
Letters Shop
binary search
,
implementation
,
strings
1300
x11974
1076C
Meme Problem
binary search
,
math
1300
x12103
271B
Prime Matrix
binary search
,
brute force
,
math
,
number theory
1300
x12414
1794C
Scoring Subsequences
binary search
,
greedy
,
math
,
two pointers
1300
x12502
1279B
Verse For Santa
binary search
,
brute force
,
implementation
1300
x13361
1561C
Deep Down Below
binary search
,
greedy
,
sortings
1300
x13549
1913C
Game with Multiset
binary search
,
bitmasks
,
brute force
,
greedy
1300
x13697
1873F
Money Trees
binary search
,
greedy
,
math
,
two pointers
1300
x13900
96B
Lucky Numbers (easy)
binary search
,
bitmasks
,
brute force
1300
x14480
1736C1
Good Subarrays (Easy Version)
binary search
,
data structures
,
schedules
,
two pointers
1300
x14542
1617C
Paprika and Permutation
binary search
,
greedy
,
math
,
sortings
1300
x14593
1217A
Creating a Character
binary search
,
math
1300
x14646
1260B
Obtain Two Zeroes
binary search
,
math
1300
x15104
1612C
Chat Ban
binary search
,
math
1300
x15876
1862D
Ice Cream Balls
binary search
,
combinatorics
,
constructive algorithms
,
math
1300
x16067
1498B
Box Fitting
binary search
,
bitmasks
,
data structures
,
greedy
1300
x16132
1574C
Slay the Dragon
binary search
,
greedy
,
sortings
,
ternary search
1300
x16560
251A
Points on Line
binary search
,
combinatorics
,
two pointers
1300
x16765
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18267
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x18361
1476B
Inflation
binary search
,
brute force
,
greedy
,
math
1300
x19491
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21281
1538C
Number of Pairs
binary search
,
data structures
,
math
,
two pointers
1300
x27062
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x27519
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x28170
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70143
424B
Megacity
binary search
,
greedy
,
implementation
,
sortings
1200
x7347
302B
Eugeny and Play List
binary search
,
implementation
,
two pointers
1200
x7790
732C
Sanatorium
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
1200
x9474
1100C
NN and the Optical Illusion
binary search
,
geometry
,
math
1200
x9732
1011B
Planning The Expedition
binary search
,
brute force
,
implementation
1200
x9809
911B
Two Cakes
binary search
,
brute force
,
implementation
1200
x11001
1951B
Battle Cows
binary search
,
data structures
,
greedy
1200
x12116
1848B
Vika and the Bridge
binary search
,
data structures
,
greedy
,
implementation
,
math
,
sortings
1200
x13421
1763B
Incinerate
binary search
,
brute force
,
data structures
,
implementation
,
math
,
sortings
1200
x13928
743B
Chloe and the sequence
binary search
,
bitmasks
,
constructive algorithms
,
implementation
1200
x14230
1530C
Pursuit
binary search
,
brute force
,
greedy
,
sortings
1200
x14247
1131C
Birthday
binary search
,
greedy
,
sortings
1200
x14552
637B
Chat Order
*special problem
,
binary search
,
constructive algorithms
,
data structures
,
sortings
1200
x15074
1886B
Fear of the Dark
binary search
,
geometry
,
math
1200
x15206
1928B
Equalize
binary search
,
greedy
,
sortings
,
two pointers
1200
x15330
1671C
Dolce Vita
binary search
,
brute force
,
greedy
,
math
1200
x15955
1860B
Fancy Coins
binary search
,
brute force
,
greedy
,
math
1200
x16049
1853B
Fibonaccharsis
binary search
,
brute force
,
math
1200
x16538
1692E
Binary Deque
binary search
,
implementation
,
two pointers
1200
x20027
1221C
Perfect Team
binary search
,
math
1200
x20152
1006C
Three Parts of the Array
binary search
,
data structures
,
two pointers
1200
x20316
1742E
Scuza
binary search
,
greedy
,
math
1200
x22067
1613C
Poisoned Dagger
binary search
1200
x22617
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x29189
474B
Worms
binary search
,
implementation
1200
x44945
1352C
K-th Not Divisible by n
binary search
,
math
1200
x50157
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71326
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10936
1099B
Squares and Segments
binary search
,
constructive algorithms
,
math
1100
x10985
1884B
Haunted House
binary search
,
greedy
,
math
,
two pointers
1100
x11697
1042A
Benches
binary search
,
implementation
1100
x12514
1904B
Collecting Game
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1100
x12895
1902B
Getting Points
binary search
,
brute force
,
greedy
1100
x13350
1293A
ConneR and the A.R.C. Markland-N
binary search
,
brute force
,
implementation
1100
x14978
166A
Rank List
binary search
,
implementation
,
sortings
1100
x16793
1288A
Deadline
binary search
,
brute force
,
math
,
ternary search
1100
x17888
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x19023
1862C
Flower City Fence
binary search
,
data structures
,
implementation
,
sortings
1100
x19681
1850E
Cardboard for Pictures
binary search
,
geometry
,
implementation
,
math
1100
x20941
1873E
Building an Aquarium
binary search
,
sortings
1100
x23119
1669F
Eating Candies
binary search
,
data structures
,
greedy
,
two pointers
1100
x23177
1463A
Dungeon
binary search
,
math
1100
x24481
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x24718
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25502
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x26930
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x26941
1366A
Shovels and Swords
binary search
,
greedy
,
math
1100
x28999
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x31478
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x33327
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58564
195A
Let's Watch Football
binary search
,
brute force
,
math
1000
x8491
1725B
Basketball Together
binary search
,
greedy
,
sortings
1000
x11757
1809B
Points on Plane
binary search
,
greedy
,
math
1000
x19061
1195B
Sport Mafia
binary search
,
brute force
,
math
1000
x19145
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x23634
1593C
Save More Mice
binary search
,
greedy
,
greedy
1000
x24046
1744C
Traffic Light
binary search
,
implementation
,
two pointers
1000
x24331
978C
Letters
binary search
,
implementation
,
two pointers
1000
x24439
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x26429
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x35083
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17417
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x15899
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x19020
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21630
1566A
Median Maximization
binary search
,
greedy
,
math
800
x22758
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x28516
1915C
Can I Square?
binary search
,
implementation
800
x37741
←
1
2
...
8
9
10
11
→
→ Pay attention
Before contest
Codeforces Round 945 (Div. 2)
42:52:16
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