Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
1532F
Prefixes and Suffixes
*special problem
,
strings
x217
1532E
Good Array
*special problem
x387
1532D
Teams Forming
*special problem
,
sortings
x582
1532C
Uniform String
*special problem
,
implementation
x636
1532B
Frog Jumping
*special problem
,
math
x821
1532A
A+B (Trial Problem)
*special problem
x1133
1531E3
Сортировка слиянием
*special problem
,
binary search
x268
1531E2
Сортировка слиянием
*special problem
,
*special problem
,
brute force
x332
1531E1
Сортировка слиянием
*special problem
x357
1531D
Редактируем Зингер | color
*special problem
,
*special problem
x352
1531C
Симметричный амфитеатр
*special problem
,
constructive algorithms
,
dp
x647
1531B2
Мониторинг
*special problem
x765
1531B1
Мониторинг
*special problem
,
*special problem
x1088
1531A
Зингер | color
*special problem
,
implementation
x1444
1530H
Turing's Award
data structures
,
dp
3400
x145
1530G
What a Reversal
constructive algorithms
3300
x142
1530F
Bingo
bitmasks
,
combinatorics
,
dp
,
math
,
probabilities
2600
x754
1530E
Minimax
constructive algorithms
,
greedy
,
strings
2100
x2909
1530D
Secret Santa
constructive algorithms
,
flows
,
graphs
,
greedy
,
math
1600
x8945
1530C
Pursuit
binary search
,
brute force
,
greedy
,
sortings
1200
x14299
1530B
Putting Plates
constructive algorithms
,
implementation
800
x15627
1530A
Binary Decimal
greedy
,
math
800
x20813
1529B
Sifid and Strange Subsequences
greedy
,
math
,
sortings
1100
x20388
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29460
1528F
AmShZ Farm
combinatorics
,
fft
,
math
3300
x278
1528E
Mashtali and Hagh Trees
combinatorics
,
dp
,
trees
2900
x513
1528D
It's a bird! No, it's a plane! No, it's AaParsa!
constructive algorithms
,
graphs
,
shortest paths
2500
x1403
1528C
Trees of Tranquillity
data structures
,
dfs and similar
,
greedy
,
trees
2300
x2518
1528B
Kavi on Pairing Duty
combinatorics
,
dp
,
math
1700
x8516
1528A
Parsa's Humongous Tree
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
trees
1600
x14050
1527E
Partition Game
binary search
,
data structures
,
divide and conquer
,
dp
2500
x2108
1527D
MEX Tree
combinatorics
,
dfs and similar
,
implementation
,
math
,
trees
2400
x1845
1527C
Sequence Pair Weight
hashing
,
implementation
,
math
1600
x13199
1527B2
Palindrome Game (hard version)
constructive algorithms
,
games
1900
x7625
1527B1
Palindrome Game (easy version)
constructive algorithms
,
games
1200
x24645
1527A
And Then There Were K
bitmasks
800
x34293
1526F
Median Queries
constructive algorithms
,
interactive
,
probabilities
3000
x253
1526E
Oolimry and Suffix Array
combinatorics
,
constructive algorithms
,
math
2400
x1032
1526D
Kill Anton
brute force
,
constructive algorithms
,
data structures
,
math
,
strings
2200
x2362
1526C2
Potions (Hard Version)
data structures
,
greedy
1600
x21325
1526C1
Potions (Easy Version)
brute force
,
data structures
,
dp
,
greedy
1500
x21486
1526B
I Hate 1111
dp
,
math
,
number theory
1400
x29151
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23926
1525F
Goblins And Gnomes
brute force
,
dp
,
flows
,
graph matchings
2800
x320
1525E
Assimilation IV
combinatorics
,
dp
,
math
,
probabilities
,
two pointers
2100
x1981
1525D
Armchairs
dp
,
flows
,
graph matchings
,
greedy
1800
x9447
1525C
Robot Collisions
data structures
,
greedy
,
implementation
,
sortings
2000
x4347
1525B
Permutation Sort
constructive algorithms
,
greedy
900
x24286
1525A
Potion-making
math
,
number theory
800
x25122
1523H
Hopping Around the Array
data structures
,
dp
3500
x235
1523G
Try Booking
data structures
,
divide and conquer
3200
x404
1523F
Favorite Game
bitmasks
,
dp
3300
x405
1523E
Crypto Lights
combinatorics
,
dp
,
math
,
probabilities
2600
x1544
1523D
Love-Hate
bitmasks
,
brute force
,
dp
,
probabilities
2400
x2092
1523C
Compression and Expansion
brute force
,
data structures
,
greedy
,
implementation
,
trees
1600
x8620
1523B
Lord of the Values
constructive algorithms
1100
x11990
1523A
Game of Life
implementation
800
x13419
1521E
Nastia and a Beautiful Matrix
binary search
,
constructive algorithms
,
dp
,
greedy
2700
x653
1521D
Nastia Plays with a Tree
constructive algorithms
,
data structures
,
dfs and similar
,
dp
,
dsu
,
greedy
,
implementation
,
trees
2500
x1814
1521C
Nastia and a Hidden Permutation
constructive algorithms
,
interactive
2000
x4294
1521B
Nastia and a Good Array
constructive algorithms
,
math
,
number theory
1300
x20907
1521A
Nastia and Nearly Good Numbers
constructive algorithms
,
math
,
number theory
1000
x35734
1520G
To Go Or Not To Go?
brute force
,
dfs and similar
,
graphs
,
greedy
,
implementation
,
shortest paths
2200
x3532
1520F2
Guess the K-th Zero (Hard version)
binary search
,
constructive algorithms
,
data structures
,
interactive
2200
x2921
1520F1
Guess the K-th Zero (Easy version)
binary search
,
interactive
1600
x11055
1520E
Arranging The Sheep
greedy
,
math
1400
x20271
1520D
Same Differences
data structures
,
hashing
,
math
1200
x43543
1520C
Not Adjacent Matrix
constructive algorithms
1000
x30864
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x43234
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x50144
1519F
Chests and Keys
bitmasks
,
brute force
,
dfs and similar
,
dp
,
flows
3200
x392
1519E
Off by One
constructive algorithms
,
dfs and similar
,
geometry
,
graphs
,
sortings
,
trees
2700
x810
1519D
Maximum Sum of Products
brute force
,
dp
,
implementation
,
math
,
two pointers
1600
x14696
1519C
Berland Regional
brute force
,
data structures
,
greedy
,
number theory
,
sortings
1400
x16170
1519B
The Cake Is a Lie
dp
,
math
800
x30165
1519A
Red and Blue Beans
math
800
x28389
1517H
Fly Around the World
dp
,
geometry
3500
x65
1517G
Starry Night Camping
constructive algorithms
,
flows
,
graphs
3300
x420
1517F
Reunion
combinatorics
,
dp
,
trees
3200
x450
1517E
Group Photo
binary search
,
data structures
,
implementation
,
two pointers
2500
x958
1517D
Explorer Space
dp
,
graphs
,
shortest paths
1800
x7397
1517C
Fillomino 2
constructive algorithms
,
dfs and similar
,
greedy
,
implementation
1400
x13140
1517B
Morning Jogging
constructive algorithms
,
greedy
,
sortings
1200
x13078
1517A
Sum of 2050
greedy
,
math
800
x25168
1516E
Baby Ehab Plays with Permutations
combinatorics
,
dp
,
math
2500
x816
1516D
Cut
binary search
,
data structures
,
dp
,
graphs
,
number theory
,
two pointers
2100
x4124
1516C
Baby Ehab Partitions Again
bitmasks
,
constructive algorithms
,
dp
,
math
1700
x11592
1516B
AGAGA XOOORRR
bitmasks
,
brute force
,
dp
,
greedy
1500
x18344
1516A
Tit for Tat
greedy
800
x23180
1515I
Phoenix and Diamonds
binary search
,
data structures
,
sortings
3400
x237
1515H
Phoenix and Bits
bitmasks
,
brute force
,
data structures
,
sortings
3500
x218
1515G
Phoenix and Odometers
dfs and similar
,
graphs
,
math
,
number theory
2700
x955
1515F
Phoenix and Earthquake
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
trees
2600
x1702
1515E
Phoenix and Computers
combinatorics
,
dp
,
math
2200
x3399
1515D
Phoenix and Socks
greedy
,
sortings
,
two pointers
1500
x11192
1515C
Phoenix and Towers
constructive algorithms
,
data structures
,
greedy
1400
x16659
1515B
Phoenix and Puzzle
brute force
,
geometry
,
math
,
number theory
1000
x24308
1515A
Phoenix and Gold
constructive algorithms
,
greedy
,
math
800
x20049
1514E
Baby Ehab's Hyper Apartment
binary search
,
graphs
,
interactive
,
sortings
,
two pointers
2700
x591
1514D
Cut and Stick
binary search
,
data structures
,
greedy
,
implementation
,
sortings
2000
x4117
←
1
2
...
25
26
27
28
29
...
95
96
→
→ Pay attention
Before contest
Codeforces Round 952 (Div. 4)
32:34:06
Register now »
→ 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
User lists
Name