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Name
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x33423
1334F
Strange Function
binary search
,
data structures
,
dp
,
greedy
2500
x1132
1334E
Divisor Paths
combinatorics
,
graphs
,
greedy
,
math
,
number theory
2200
x2643
1334D
Minimum Euler Cycle
constructive algorithms
,
graphs
,
greedy
,
implementation
1800
x7055
1334C
Circle of Monsters
brute force
,
constructive algorithms
,
greedy
,
math
1600
x16144
1334B
Middle Class
greedy
,
sortings
1100
x25255
1333F
Kate and imperfection
greedy
,
implementation
,
math
,
number theory
,
sortings
,
two pointers
2200
x3980
1333D
Challenges in school №41
brute force
,
constructive algorithms
,
games
,
graphs
,
greedy
,
implementation
,
sortings
2100
x3696
1333B
Kind Anton
greedy
,
implementation
1100
x21290
1332C
K-Complete Word
dfs and similar
,
dsu
,
greedy
,
implementation
,
strings
1500
x15726
1332B
Composite Coloring
brute force
,
constructive algorithms
,
greedy
,
math
,
number theory
1400
x17155
1332A
Exercising Walk
greedy
,
implementation
,
math
1100
x19151
1329E
Dreamoon Loves AA
binary search
,
greedy
3300
x172
1329C
Drazil Likes Heap
constructive algorithms
,
data structures
,
greedy
,
implementation
2400
x1550
1329A
Dreamoon Likes Coloring
constructive algorithms
,
greedy
,
implementation
,
math
1800
x8839
1328F
Make k Equal
greedy
2200
x3010
1328D
Carousel
constructive algorithms
,
dp
,
graphs
,
greedy
,
math
1800
x12606
1328C
Ternary XOR
greedy
,
implementation
1200
x29493
1327B
Princesses and Princes
brute force
,
graphs
,
greedy
1200
x18330
1326D2
Prefix-Suffix Palindrome (Hard version)
binary search
,
greedy
,
hashing
,
string suffix structures
,
strings
1800
x9631
1326C
Permutation Partitions
combinatorics
,
greedy
,
math
1300
x15301
1325F
Ehab's Last Theorem
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
2500
x1738
1325D
Ehab the Xorcist
bitmasks
,
constructive algorithms
,
greedy
,
number theory
1700
x11615
1325C
Ehab and Path-etic MEXs
constructive algorithms
,
dfs and similar
,
greedy
,
trees
1500
x12995
1325B
CopyCopyCopyCopyCopy
greedy
,
implementation
800
x34977
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x38352
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x26974
1323B
Count Subrectangles
binary search
,
greedy
,
implementation
1500
x8547
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19389
1322A
Unusual Competitions
greedy
1300
x12242
1321C
Remove Adjacent
brute force
,
constructive algorithms
,
greedy
,
strings
1600
x9517
1321A
Contest for Robots
greedy
900
x14024
1320A
Journey Planning
data structures
,
dp
,
greedy
,
math
,
sortings
1400
x15524
1316E
Team Building
bitmasks
,
dp
,
greedy
,
sortings
2300
x3504
1315C
Restoring Permutation
greedy
1200
x9807
1315B
Homecoming
binary search
,
dp
,
greedy
,
strings
1300
x8970
1313C2
Skyscrapers (hard version)
data structures
,
dp
,
greedy
1900
x6177
1313C1
Skyscrapers (easy version)
brute force
,
data structures
,
dp
,
greedy
1500
x10114
1313B
Different Rules
constructive algorithms
,
greedy
,
implementation
,
math
1700
x6468
1313A
Fast Food Restaurant
brute force
,
greedy
,
implementation
900
x15212
1312E
Array Shrinking
dp
,
greedy
2100
x5547
1312C
Adding Powers
bitmasks
,
greedy
,
implementation
,
math
,
number theory
,
ternary search
1400
x15924
1312A
Two Regular Polygons
geometry
,
greedy
,
math
,
number theory
800
x25363
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40777
1310A
Recommendations
data structures
,
greedy
,
sortings
1700
x4977
1307E
Cow and Treats
binary search
,
combinatorics
,
dp
,
greedy
,
implementation
,
math
2500
x1121
1307D
Cow and Fields
binary search
,
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
,
sortings
1900
x6038
1307B
Cow and Friend
geometry
,
greedy
,
math
1300
x12943
1307A
Cow and Haybales
greedy
,
implementation
800
x14723
1305H
Kuroni the Private Tutor
binary search
,
greedy
3500
x110
1305E
Kuroni and the Score Distribution
constructive algorithms
,
greedy
,
implementation
,
math
2200
x2918
1305B
Kuroni and Simple Strings
constructive algorithms
,
greedy
,
strings
,
two pointers
1200
x11394
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13793
1304F2
Animal Observation (hard version)
data structures
,
dp
,
greedy
2400
x1328
1304D
Shortest and Longest LIS
constructive algorithms
,
graphs
,
greedy
,
two pointers
1800
x6078
1304C
Air Conditioner
dp
,
greedy
,
implementation
,
sortings
,
two pointers
1500
x15807
1304B
Longest Palindrome
brute force
,
constructive algorithms
,
greedy
,
implementation
,
strings
1100
x17453
1303D
Fill The Bag
bitmasks
,
greedy
1900
x6838
1303C
Perfect Keyboard
dfs and similar
,
greedy
,
implementation
1600
x11846
1301C
Ayoub's function
binary search
,
combinatorics
,
greedy
,
math
,
strings
1700
x9069
1301B
Motarack's Birthday
binary search
,
greedy
,
ternary search
1500
x13879
1300B
Assigning to Classes
greedy
,
implementation
,
sortings
1000
x22332
1299C
Water Balance
data structures
,
geometry
,
greedy
2100
x3644
1299A
Anu Has a Function
brute force
,
greedy
,
math
1500
x11765
1297F
Movie Fan
*special problem
,
data structures
,
greedy
,
implementation
,
sortings
x113
1297D
Bonus Distribution
*special problem
,
binary search
,
greedy
,
sortings
x259
1297C
Dream Team
*special problem
,
greedy
x396
1296F
Berland Beauty
constructive algorithms
,
dfs and similar
,
greedy
,
sortings
,
trees
2100
x2677
1296E1
String Coloring (easy version)
constructive algorithms
,
dp
,
graphs
,
greedy
,
sortings
1800
x7131
1296D
Fight with Monsters
greedy
,
sortings
1500
x13896
1295C
Obtain The String
dp
,
greedy
,
strings
1600
x12574
1295A
Display The Number
greedy
900
x22354
1294F
Three Paths on a Tree
dfs and similar
,
dp
,
greedy
,
trees
2000
x5367
1294E
Obtain a Permutation
greedy
,
implementation
,
math
1900
x4698
1294D
MEX maximizing
data structures
,
greedy
,
implementation
,
math
1600
x11340
1294C
Product of Three Numbers
greedy
,
math
,
number theory
1300
x32519
1293B
JOE is on TV!
combinatorics
,
greedy
,
math
1000
x20846
1292E
Rin and The Unknown Flower
constructive algorithms
,
greedy
,
interactive
,
math
3500
x328
1292D
Chaotic V.
dp
,
graphs
,
greedy
,
math
,
number theory
,
trees
2700
x778
1292C
Xenon's Attack on the Gangs
combinatorics
,
dfs and similar
,
dp
,
greedy
,
trees
2300
x1874
1292B
Aroma's Search
brute force
,
constructive algorithms
,
geometry
,
greedy
,
implementation
1700
x6033
1291B
Array Sharpening
greedy
,
implementation
1300
x13835
1291A
Even But Not Even
greedy
,
math
,
strings
900
x19088
1287A
Angry Students
greedy
,
implementation
800
x20222
1286B
Numbers on Tree
constructive algorithms
,
data structures
,
dfs and similar
,
graphs
,
greedy
,
trees
1800
x4395
1286A
Garland
dp
,
greedy
,
sortings
1800
x8417
1285D
Dr. Evil Underscores
bitmasks
,
brute force
,
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
strings
,
trees
1900
x7356
1285B
Just Eat It!
dp
,
greedy
,
implementation
1300
x21154
1283F
DIY Garland
constructive algorithms
,
greedy
,
trees
2200
x1651
1283E
New Year Parties
dp
,
greedy
1800
x6294
1283D
Christmas Trees
graphs
,
greedy
,
shortest paths
1800
x7469
1282C
Petya and Exam
greedy
,
sortings
,
two pointers
1800
x4111
1282B2
K for the Price of One (Hard Version)
dp
,
greedy
,
sortings
1600
x9836
1282B1
K for the Price of One (Easy Version)
dp
,
greedy
,
sortings
1400
x11183
1281B
Azamon Web Services
greedy
1600
x8051
1280D
Miss Punyverse
dp
,
greedy
,
trees
2500
x924
1280C
Jeremy Bearimy
dfs and similar
,
graphs
,
greedy
,
trees
2000
x2484
1278C
Berry Jam
data structures
,
dp
,
greedy
,
implementation
1700
x7624
1278B
A and B
greedy
,
math
1500
x12907
1277B
Make Them Odd
greedy
,
number theory
1200
x14671
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binary search
bitmasks
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constructive algorithms
data structures
dfs and similar
divide and conquer
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expression parsing
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games
geometry
graph matchings
graphs
greedy
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implementation
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number theory
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sortings
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trees
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