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#
Name
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29434
1528F
AmShZ Farm
combinatorics
,
fft
,
math
3300
x277
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
x1401
1528C
Trees of Tranquillity
data structures
,
dfs and similar
,
greedy
,
trees
2300
x2515
1528B
Kavi on Pairing Duty
combinatorics
,
dp
,
math
1700
x8506
1528A
Parsa's Humongous Tree
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
trees
1600
x14008
1527E
Partition Game
binary search
,
data structures
,
divide and conquer
,
dp
2500
x2100
1527D
MEX Tree
combinatorics
,
dfs and similar
,
implementation
,
math
,
trees
2400
x1841
1527C
Sequence Pair Weight
hashing
,
implementation
,
math
1600
x13173
1527B2
Palindrome Game (hard version)
constructive algorithms
,
games
1900
x7603
1527B1
Palindrome Game (easy version)
constructive algorithms
,
games
1200
x24528
1527A
And Then There Were K
bitmasks
800
x34166
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
x2360
1526C2
Potions (Hard Version)
data structures
,
greedy
1600
x21236
1526C1
Potions (Easy Version)
brute force
,
data structures
,
dp
,
greedy
1500
x21395
1526B
I Hate 1111
dp
,
math
,
number theory
1400
x29023
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23906
1525F
Goblins And Gnomes
brute force
,
dp
,
flows
,
graph matchings
2800
x319
1525E
Assimilation IV
combinatorics
,
dp
,
math
,
probabilities
,
two pointers
2100
x1974
1525D
Armchairs
dp
,
flows
,
graph matchings
,
greedy
1800
x9430
1525C
Robot Collisions
data structures
,
greedy
,
implementation
,
sortings
2000
x4343
1525B
Permutation Sort
constructive algorithms
,
greedy
900
x24253
1525A
Potion-making
math
,
number theory
800
x25108
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
x1541
1523D
Love-Hate
bitmasks
,
brute force
,
dp
,
probabilities
2400
x2088
1523C
Compression and Expansion
brute force
,
data structures
,
greedy
,
implementation
,
trees
1600
x8612
1523B
Lord of the Values
constructive algorithms
1100
x11980
1523A
Game of Life
implementation
800
x13414
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
x1813
1521C
Nastia and a Hidden Permutation
constructive algorithms
,
interactive
2000
x4289
1521B
Nastia and a Good Array
constructive algorithms
,
math
,
number theory
1300
x20864
1521A
Nastia and Nearly Good Numbers
constructive algorithms
,
math
,
number theory
1000
x35625
1520G
To Go Or Not To Go?
brute force
,
dfs and similar
,
graphs
,
greedy
,
implementation
,
shortest paths
2200
x3524
1520F2
Guess the K-th Zero (Hard version)
binary search
,
constructive algorithms
,
data structures
,
interactive
2200
x2916
1520F1
Guess the K-th Zero (Easy version)
binary search
,
interactive
1600
x11023
1520E
Arranging The Sheep
greedy
,
math
1400
x20182
1520D
Same Differences
data structures
,
hashing
,
math
1200
x43283
1520C
Not Adjacent Matrix
constructive algorithms
1000
x30810
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x43148
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x50000
1519F
Chests and Keys
bitmasks
,
brute force
,
dfs and similar
,
dp
,
flows
3200
x391
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
x14655
1519C
Berland Regional
brute force
,
data structures
,
greedy
,
number theory
,
sortings
1400
x16110
1519B
The Cake Is a Lie
dp
,
math
800
x30130
1519A
Red and Blue Beans
math
800
x28368
1517H
Fly Around the World
dp
,
geometry
3500
x65
1517G
Starry Night Camping
constructive algorithms
,
flows
,
graphs
3300
x417
1517F
Reunion
combinatorics
,
dp
,
trees
3200
x449
1517E
Group Photo
binary search
,
data structures
,
implementation
,
two pointers
2500
x955
1517D
Explorer Space
dp
,
graphs
,
shortest paths
1800
x7378
1517C
Fillomino 2
constructive algorithms
,
dfs and similar
,
greedy
,
implementation
1400
x13095
1517B
Morning Jogging
constructive algorithms
,
greedy
,
sortings
1200
x13068
1517A
Sum of 2050
greedy
,
math
800
x25145
1516E
Baby Ehab Plays with Permutations
combinatorics
,
dp
,
math
2500
x816
1516D
Cut
binary search
,
data structures
,
dp
,
graphs
,
number theory
,
two pointers
2100
x4117
1516C
Baby Ehab Partitions Again
bitmasks
,
constructive algorithms
,
dp
,
math
1700
x11578
1516B
AGAGA XOOORRR
bitmasks
,
brute force
,
dp
,
greedy
1500
x18252
1516A
Tit for Tat
greedy
800
x23169
1515I
Phoenix and Diamonds
binary search
,
data structures
,
sortings
3400
x230
1515H
Phoenix and Bits
bitmasks
,
brute force
,
data structures
,
sortings
3500
x218
1515G
Phoenix and Odometers
dfs and similar
,
graphs
,
math
,
number theory
2700
x941
1515F
Phoenix and Earthquake
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
trees
2600
x1698
1515E
Phoenix and Computers
combinatorics
,
dp
,
math
2200
x3392
1515D
Phoenix and Socks
greedy
,
sortings
,
two pointers
1500
x11181
1515C
Phoenix and Towers
constructive algorithms
,
data structures
,
greedy
1400
x16619
1515B
Phoenix and Puzzle
brute force
,
geometry
,
math
,
number theory
1000
x24255
1515A
Phoenix and Gold
constructive algorithms
,
greedy
,
math
800
x20032
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
x4111
1514C
Product 1 Modulo N
greedy
,
number theory
1600
x14416
1514B
AND 0, Sum Big
bitmasks
,
combinatorics
,
math
1200
x23103
1514A
Perfectly Imperfect Array
math
,
number theory
800
x23842
1513F
Swapping Problem
brute force
,
constructive algorithms
,
data structures
,
sortings
2500
x1205
1513E
Cost Equilibrium
combinatorics
,
constructive algorithms
,
math
,
sortings
2300
x1418
1513D
GCD and MST
constructive algorithms
,
dsu
,
graphs
,
greedy
,
number theory
,
sortings
2000
x5087
1513C
Add One
dp
,
matrices
1600
x13330
1513B
AND Sequences
bitmasks
,
combinatorics
,
constructive algorithms
,
math
1400
x13901
1513A
Array and Peaks
constructive algorithms
,
implementation
800
x19199
1512G
Short Task
brute force
,
dp
,
math
,
number theory
1700
x7862
1512F
Education
brute force
,
dp
,
greedy
,
implementation
1900
x5977
1512E
Permutation by Sum
brute force
,
greedy
,
math
1600
x10068
1512D
Corrupted Array
constructive algorithms
,
data structures
,
greedy
1200
x21836
1512C
A-B Palindrome
constructive algorithms
,
implementation
,
strings
1200
x19555
1512B
Almost Rectangle
implementation
800
x25059
1512A
Spy Detected!
brute force
,
implementation
800
x60493
1511G
Chips on a Board
bitmasks
,
brute force
,
data structures
,
dp
,
games
,
two pointers
2700
x704
1511F
Chainword
brute force
,
data structures
,
dp
,
matrices
,
string suffix structures
,
strings
2700
x419
1511E
Colorings and Dominoes
combinatorics
,
dp
,
greedy
,
math
2100
x2471
1511D
Min Cost String
brute force
,
constructive algorithms
,
graphs
,
greedy
,
strings
1600
x11095
1511C
Yet Another Card Deck
brute force
,
data structures
,
implementation
,
trees
1100
x22372
1511B
GCD Length
constructive algorithms
,
math
,
number theory
1100
x22074
1511A
Review Site
greedy
800
x27203
←
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95
96
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Codeforces Round 950 (Div. 3)
45:31:39
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