Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
2023 Post World Finals Online ICPC Challenge powered by Huawei
24:07:17
Register now »
→ 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
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70777
1915C
Can I Square?
binary search
,
implementation
800
x37353
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x28428
1566A
Median Maximization
binary search
,
greedy
,
math
800
x22718
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21587
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x18406
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x15865
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17381
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x34973
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x26291
978C
Letters
binary search
,
implementation
,
two pointers
1000
x24348
1744C
Traffic Light
binary search
,
implementation
,
two pointers
1000
x24169
1593C
Save More Mice
binary search
,
greedy
,
greedy
1000
x23982
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x23581
1809B
Points on Plane
binary search
,
greedy
,
math
1000
x19024
1195B
Sport Mafia
binary search
,
brute force
,
math
1000
x18998
1725B
Basketball Together
binary search
,
greedy
,
sortings
1000
x11648
195A
Let's Watch Football
binary search
,
brute force
,
math
1000
x8476
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58328
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x33235
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x31350
1366A
Shovels and Swords
binary search
,
greedy
,
math
1100
x28933
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x26906
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x26856
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25471
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x24616
1463A
Dungeon
binary search
,
math
1100
x24436
1669F
Eating Candies
binary search
,
data structures
,
greedy
,
two pointers
1100
x23030
1873E
Building an Aquarium
binary search
,
sortings
1100
x22881
1850E
Cardboard for Pictures
binary search
,
geometry
,
implementation
,
math
1100
x20753
1862C
Flower City Fence
binary search
,
data structures
,
implementation
,
sortings
1100
x19610
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x19014
1288A
Deadline
binary search
,
brute force
,
math
,
ternary search
1100
x17876
166A
Rank List
binary search
,
implementation
,
sortings
1100
x16756
1293A
ConneR and the A.R.C. Markland-N
binary search
,
brute force
,
implementation
1100
x14959
1902B
Getting Points
binary search
,
brute force
,
greedy
1100
x13284
1904B
Collecting Game
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1100
x12774
1042A
Benches
binary search
,
implementation
1100
x12506
1884B
Haunted House
binary search
,
greedy
,
math
,
two pointers
1100
x11652
1099B
Squares and Segments
binary search
,
constructive algorithms
,
math
1100
x10979
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10916
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71086
1352C
K-th Not Divisible by n
binary search
,
math
1200
x49807
474B
Worms
binary search
,
implementation
1200
x44762
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x29112
1613C
Poisoned Dagger
binary search
1200
x22501
1742E
Scuza
binary search
,
greedy
,
math
1200
x21845
1006C
Three Parts of the Array
binary search
,
data structures
,
two pointers
1200
x20217
1221C
Perfect Team
binary search
,
math
1200
x20129
1692E
Binary Deque
binary search
,
implementation
,
two pointers
1200
x19881
1853B
Fibonaccharsis
binary search
,
brute force
,
math
1200
x16492
1860B
Fancy Coins
binary search
,
brute force
,
greedy
,
math
1200
x15982
1671C
Dolce Vita
binary search
,
brute force
,
greedy
,
math
1200
x15879
1928B
Equalize
binary search
,
greedy
,
sortings
,
two pointers
1200
x15168
1886B
Fear of the Dark
binary search
,
geometry
,
math
1200
x15119
637B
Chat Order
*special problem
,
binary search
,
constructive algorithms
,
data structures
,
sortings
1200
x15028
1131C
Birthday
binary search
,
greedy
,
sortings
1200
x14529
1530C
Pursuit
binary search
,
brute force
,
greedy
,
sortings
1200
x14230
743B
Chloe and the sequence
binary search
,
bitmasks
,
constructive algorithms
,
implementation
1200
x14211
1763B
Incinerate
binary search
,
brute force
,
data structures
,
implementation
,
math
,
sortings
1200
x13877
1848B
Vika and the Bridge
binary search
,
data structures
,
greedy
,
implementation
,
math
,
sortings
1200
x13326
1951B
Battle Cows
binary search
,
data structures
,
greedy
1200
x11726
911B
Two Cakes
binary search
,
brute force
,
implementation
1200
x10944
1011B
Planning The Expedition
binary search
,
brute force
,
implementation
1200
x9805
1100C
NN and the Optical Illusion
binary search
,
geometry
,
math
1200
x9721
732C
Sanatorium
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
1200
x9471
302B
Eugeny and Play List
binary search
,
implementation
,
two pointers
1200
x7782
424B
Megacity
binary search
,
greedy
,
implementation
,
sortings
1200
x7329
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x69799
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x28089
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x27379
1538C
Number of Pairs
binary search
,
data structures
,
math
,
two pointers
1300
x26966
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21223
1476B
Inflation
binary search
,
brute force
,
greedy
,
math
1300
x19468
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x18170
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18119
251A
Points on Line
binary search
,
combinatorics
,
two pointers
1300
x16576
1574C
Slay the Dragon
binary search
,
greedy
,
sortings
,
ternary search
1300
x16518
1498B
Box Fitting
binary search
,
bitmasks
,
data structures
,
greedy
1300
x16075
1862D
Ice Cream Balls
binary search
,
combinatorics
,
constructive algorithms
,
math
1300
x15983
1612C
Chat Ban
binary search
,
math
1300
x15778
1260B
Obtain Two Zeroes
binary search
,
math
1300
x15095
1217A
Creating a Character
binary search
,
math
1300
x14634
1617C
Paprika and Permutation
binary search
,
greedy
,
math
,
sortings
1300
x14510
1736C1
Good Subarrays (Easy Version)
binary search
,
data structures
,
schedules
,
two pointers
1300
x14487
96B
Lucky Numbers (easy)
binary search
,
bitmasks
,
brute force
1300
x14438
1873F
Money Trees
binary search
,
greedy
,
math
,
two pointers
1300
x13764
1913C
Game with Multiset
binary search
,
bitmasks
,
brute force
,
greedy
1300
x13588
1561C
Deep Down Below
binary search
,
greedy
,
sortings
1300
x13478
1279B
Verse For Santa
binary search
,
brute force
,
implementation
1300
x13353
1794C
Scoring Subsequences
binary search
,
greedy
,
math
,
two pointers
1300
x12439
271B
Prime Matrix
binary search
,
brute force
,
math
,
number theory
1300
x12361
1076C
Meme Problem
binary search
,
math
1300
x12086
1187B
Letters Shop
binary search
,
implementation
,
strings
1300
x11874
1807E
Interview
binary search
,
implementation
,
interactive
1300
x11828
1870C
Colorful Table
binary search
,
data structures
,
dp
,
implementation
,
math
,
two pointers
1300
x10705
192A
Funky Numbers
binary search
,
brute force
,
implementation
1300
x10120
1119B
Alyona and a Narrow Fridge
binary search
,
flows
,
greedy
,
sortings
1300
x9819
1737B
Ela's Fitness and the Luxury Number
binary search
,
implementation
,
math
1300
x9169
1315B
Homecoming
binary search
,
dp
,
greedy
,
strings
1300
x8960
←
1
2
3
...
9
10
→
User lists
Name