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Problems
#
Name
717I
Cowboy Beblop at his computer
geometry
2800
x202
717H
Pokermon League challenge
math
,
probabilities
2400
x417
717G
Underfail
flows
2400
x623
717F
Heroes of Making Magic III
data structures
2600
x286
717E
Paint it really, really dark gray
dfs and similar
1900
x1427
717D
Dexterina’s Lab
games
,
matrices
,
probabilities
1900
x1374
717C
Potions Homework
implementation
,
sortings
1200
x3870
717B
R3D3’s Summer Adventure
dp
,
greedy
2700
x138
717A
Festival Organization
combinatorics
,
math
,
number theory
2900
x333
716B
Complete the Word
greedy
,
two pointers
1300
x11837
716A
Crazy Computer
implementation
800
x21813
715E
Complete the Permutations
combinatorics
,
fft
,
graphs
,
math
3400
x344
715D
Create a Maze
constructive algorithms
3100
x246
715C
Digit Tree
dfs and similar
,
divide and conquer
,
dsu
,
trees
2700
x1941
715B
Complete The Graph
binary search
,
constructive algorithms
,
graphs
,
shortest paths
2300
x2661
715A
Plus and Square Root
constructive algorithms
,
math
1600
x5547
714B
Filya and Homework
implementation
,
sortings
1200
x14043
714A
Meeting of Old Friends
implementation
,
math
1100
x10686
713E
Sonya Partymaker
binary search
,
dp
3300
x342
713D
Animals and Puzzle
binary search
,
data structures
2700
x1080
713C
Sonya and Problem Wihtout a Legend
dp
,
sortings
2300
x4804
713B
Searching Rectangles
binary search
,
constructive algorithms
,
interactive
2200
x1420
713A
Sonya and Queries
data structures
,
implementation
1400
x8334
712E
Memory and Casinos
data structures
,
math
,
probabilities
2500
x603
712D
Memory and Scores
combinatorics
,
dp
,
math
2200
x1628
712C
Memory and De-Evolution
greedy
,
math
1600
x5556
712B
Memory and Trident
implementation
,
strings
1100
x9639
712A
Memory and Crow
implementation
,
math
800
x11527
711E
ZS and The Birthday Paradox
math
,
number theory
,
probabilities
2300
x1244
711D
Directed Roads
combinatorics
,
dfs and similar
,
graphs
,
math
1900
x4366
711C
Coloring Trees
dp
1700
x7827
711B
Chris and Magic Square
constructive algorithms
,
implementation
1400
x8352
711A
Bus to Udayland
brute force
,
implementation
800
x28852
710F
String Set Queries
brute force
,
data structures
,
hashing
,
interactive
,
string suffix structures
,
strings
2400
x1678
710E
Generate a String
dfs and similar
,
dp
2000
x4982
710D
Two Arithmetic Progressions
math
,
number theory
2500
x1164
710C
Magic Odd Square
constructive algorithms
,
math
1500
x4991
710B
Optimal Point on a Line
brute force
,
sortings
1400
x8535
710A
King Moves
implementation
800
x13551
709B
Checkpoints
greedy
,
implementation
,
sortings
1500
x4706
709A
Juicer
implementation
900
x30173
708E
Student's Camp
dp
,
math
3100
x932
708D
Incorrect Flow
flows
2900
x698
708C
Centroids
data structures
,
dfs and similar
,
dp
,
graphs
,
greedy
,
trees
2300
x3015
708B
Recover the String
constructive algorithms
,
greedy
,
implementation
,
math
1900
x3201
708A
Letters Cyclic Shift
constructive algorithms
,
greedy
,
implementation
,
strings
1200
x8914
707E
Garlands
data structures
2400
x1005
707D
Persistent Bookcase
bitmasks
,
data structures
,
dfs and similar
,
implementation
2200
x2603
707C
Pythagorean Triples
math
,
number theory
1500
x12313
707B
Bakery
graphs
1300
x12768
707A
Brain's Photos
implementation
800
x46519
706E
Working routine
data structures
,
implementation
2500
x1117
706D
Vasiliy's Multiset
binary search
,
bitmasks
,
data structures
,
trees
1800
x9315
706C
Hard problem
dp
,
strings
1600
x15666
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58683
706A
Beru-taxi
brute force
,
geometry
,
implementation
900
x14273
705B
Spider Man
games
,
math
1100
x9051
705A
Hulk
implementation
800
x99896
704E
Iron Man
data structures
,
geometry
,
trees
3300
x272
704D
Captain America
flows
,
greedy
3100
x776
704C
Black Widow
dp
,
graphs
,
implementation
,
math
2900
x457
704B
Ant Man
dp
,
graphs
,
greedy
2500
x1566
704A
Thor
brute force
,
data structures
,
implementation
1600
x8947
703E
Mishka and Divisors
dp
,
number theory
2600
x587
703D
Mishka and Interesting sum
data structures
2100
x3408
703C
Chris and Road
geometry
,
implementation
2100
x1638
703B
Mishka and trip
implementation
,
math
1400
x5632
703A
Mishka and Game
implementation
800
x53768
702F
T-Shirts
data structures
2800
x1188
702E
Analysis of Pathes in Functional Graph
data structures
,
graphs
2100
x2273
702D
Road to Post Office
math
1900
x3251
702C
Cellular Network
binary search
,
implementation
,
two pointers
1500
x13239
702B
Powers of Two
brute force
,
data structures
,
implementation
,
math
1500
x11319
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x41697
701C
They Are Everywhere
binary search
,
strings
,
two pointers
1500
x13847
701B
Cells Not Under Attack
data structures
,
math
1200
x11585
701A
Cards
greedy
,
implementation
800
x19179
700E
Cool Slogans
string suffix structures
,
strings
3300
x1126
700D
Huffman Coding on Segment
data structures
,
greedy
3100
x452
700C
Break Up
dfs and similar
,
graphs
2600
x1221
700B
Connecting Universities
dfs and similar
,
dp
,
graphs
,
trees
1800
x3787
700A
As Fast As Possible
binary search
,
math
1900
x3145
699B
One Bomb
implementation
1400
x7510
699A
Launch of Collider
implementation
1000
x15220
698F
Coprime Permutation
combinatorics
,
number theory
3000
x431
698E
Cron
2800
x113
698D
Limak and Shooting Points
brute force
,
geometry
,
math
2600
x504
698C
LRU
bitmasks
,
dp
,
math
,
probabilities
2400
x1280
698B
Fix a Tree
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
trees
1700
x5617
698A
Vacations
dp
1400
x28585
697B
Barnicle
brute force
,
implementation
,
math
,
strings
1400
x5668
697A
Pineapple Incident
implementation
,
math
900
x12597
696F
...Dary!
binary search
,
geometry
,
two pointers
3300
x119
696E
...Wait for it...
data structures
,
dsu
,
trees
3000
x485
696D
Legen...
data structures
,
dp
,
matrices
,
strings
2500
x1236
696C
PLEASE
combinatorics
,
dp
,
implementation
,
math
,
matrices
2000
x2052
696B
Puzzles
dfs and similar
,
math
,
probabilities
,
trees
1700
x3390
696A
Lorenzo Von Matterhorn
brute force
,
data structures
,
implementation
,
trees
1500
x5989
691F
Couple Cover
brute force
,
dp
,
number theory
2200
x1248
691E
Xor-sequences
matrices
1900
x2377
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binary search
bitmasks
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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
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