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Custom test
Problems
#
Name
891A
Pride
brute force
,
dp
,
greedy
,
math
,
number theory
1500
x9636
1765E
Exchange
brute force
,
math
1000
x9558
1814B
Long Legs
brute force
,
math
1700
x9555
1485C
Floor and Mod
binary search
,
brute force
,
math
,
number theory
1700
x9547
385B
Bear and Strings
brute force
,
greedy
,
implementation
,
math
,
strings
1200
x9546
1191B
Tokitsukaze and Mahjong
brute force
,
implementation
1200
x9525
1321C
Remove Adjacent
brute force
,
constructive algorithms
,
greedy
,
strings
1600
x9514
875A
Classroom Watch
brute force
,
math
1200
x9495
1917C
Watering an Array
brute force
,
greedy
,
implementation
,
math
1600
x9437
385C
Bear and Prime Numbers
binary search
,
brute force
,
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x9396
869A
The Artful Expedient
brute force
,
implementation
1100
x9364
822B
Crossword solving
brute force
,
implementation
,
strings
1000
x9326
1198B
Welfare State
binary search
,
brute force
,
data structures
,
sortings
1600
x9322
898B
Proper Nutrition
brute force
,
implementation
,
number theory
1100
x9297
1681D
Required Length
brute force
,
dfs and similar
,
dp
,
hashing
,
shortest paths
1700
x9279
1140C
Playlist
brute force
,
data structures
,
sortings
1600
x9272
1016B
Segment Occurrences
brute force
,
implementation
1300
x9254
246D
Colorful Graph
brute force
,
dfs and similar
,
graphs
1600
x9214
1498C
Planar Reflections
brute force
,
data structures
,
dp
1600
x9201
1287B
Hyperset
brute force
,
data structures
,
implementation
1500
x9183
1469D
Ceil Divisions
brute force
,
constructive algorithms
,
math
,
number theory
1700
x9169
909A
Generate Login
brute force
,
greedy
,
sortings
1000
x9162
347B
Fixed Points
brute force
,
implementation
,
math
1100
x9150
1051C
Vasya and Multisets
brute force
,
dp
,
greedy
,
implementation
,
math
1500
x9145
631A
Interview
brute force
,
implementation
900
x9138
463A
Caisa and Sugar
brute force
,
implementation
1200
x9107
1482C
Basic Diplomacy
brute force
,
constructive algorithms
,
greedy
,
implementation
1600
x9101
981A
Antipalindrome
brute force
,
implementation
,
strings
900
x9066
742B
Arpa’s obvious problem and Mehrdad’s terrible solution
brute force
,
math
,
number theory
1500
x9043
1731C
Even Subarrays
bitmasks
,
brute force
,
hashing
,
math
,
number theory
1700
x8992
1921E
Eat the Chip
brute force
,
games
,
greedy
,
math
1600
x8949
982A
Row
brute force
,
constructive algorithms
1200
x8946
704A
Thor
brute force
,
data structures
,
implementation
1600
x8944
259A
Little Elephant and Chess
brute force
,
strings
1000
x8942
218A
Mountain Scenery
brute force
,
constructive algorithms
,
implementation
1100
x8929
1461D
Divide and Summarize
binary search
,
brute force
,
data structures
,
divide and conquer
,
implementation
,
sortings
1600
x8915
490C
Hacking Cypher
brute force
,
math
,
number theory
,
strings
1700
x8910
816A
Karen and Morning
brute force
,
implementation
1000
x8905
1269B
Modulo Equality
brute force
,
sortings
1500
x8900
864B
Polycarp and Letters
brute force
,
implementation
,
strings
1000
x8891
300C
Beautiful Numbers
brute force
,
combinatorics
1800
x8891
1907E
Good Triples
brute force
,
combinatorics
,
number theory
1600
x8862
584D
Dima and Lisa
brute force
,
math
,
number theory
1800
x8856
919C
Seat Arrangements
brute force
,
implementation
1300
x8824
740A
Alyona and copybooks
brute force
,
implementation
1300
x8814
681B
Economy Game
brute force
1300
x8774
1375D
Replace by MEX
brute force
,
constructive algorithms
,
sortings
1900
x8745
938B
Run For Your Prize
brute force
,
greedy
1100
x8738
1714D
Color with Occurrences
brute force
,
data structures
,
dp
,
greedy
,
strings
1600
x8736
289A
Polo the Penguin and Segments
brute force
,
implementation
1100
x8723
1214A
Optimal Currency Exchange
brute force
,
math
1400
x8704
409H
A + B Strikes Back
*special problem
,
brute force
,
constructive algorithms
,
dsu
,
implementation
1500
x8690
344B
Simple Molecules
brute force
,
graphs
,
math
1200
x8679
1311D
Three Integers
brute force
,
math
2000
x8664
1225C
p-binary
bitmasks
,
brute force
,
math
1600
x8653
1121B
Mike and Children
brute force
,
implementation
1200
x8641
1786B
Cake Assembly Line
brute force
,
sortings
1300
x8638
1826D
Running Miles
brute force
,
dp
,
greedy
1700
x8629
1523C
Compression and Expansion
brute force
,
data structures
,
greedy
,
implementation
,
trees
1600
x8598
1500A
Going Home
brute force
,
hashing
,
implementation
,
math
1800
x8564
1572A
Book
binary search
,
brute force
,
data structures
,
dp
,
graphs
,
implementation
,
sortings
1800
x8558
710B
Optimal Point on a Line
brute force
,
sortings
1400
x8533
868A
Bark to Unlock
brute force
,
implementation
,
strings
900
x8527
416B
Art Union
brute force
,
dp
,
implementation
1300
x8526
1023A
Single Wildcard Pattern Matching
brute force
,
implementation
,
strings
1200
x8523
195A
Let's Watch Football
binary search
,
brute force
,
math
1000
x8493
916A
Jamie and Alarm Snooze
brute force
,
implementation
,
math
900
x8481
978D
Almost Arithmetic Progression
brute force
,
implementation
,
math
1500
x8400
46A
Ball Game
brute force
,
implementation
800
x8392
749B
Parallelogram is Back
brute force
,
constructive algorithms
,
geometry
1200
x8375
855B
Marvolo Gaunt's Ring
brute force
,
data structures
,
dp
1500
x8373
602A
Two Bases
brute force
,
implementation
1100
x8366
1130C
Connect
brute force
,
dfs and similar
,
dsu
1400
x8333
1290A
Mind Control
brute force
,
data structures
,
implementation
1600
x8317
922B
Magic Forest
brute force
1300
x8306
1732D1
Balance (Easy version)
brute force
,
data structures
,
implementation
,
number theory
1500
x8293
1770C
Koxia and Number Theory
brute force
,
chinese remainder theorem
,
math
,
number theory
1700
x8290
548B
Mike and Fun
brute force
,
dp
,
greedy
,
implementation
1400
x8281
798B
Mike and strings
brute force
,
dp
,
strings
1300
x8272
1948D
Tandem Repeats?
brute force
,
strings
,
two pointers
1700
x8255
475B
Strongly Connected City
brute force
,
dfs and similar
,
graphs
,
implementation
1400
x8250
1660D
Maximum Product Strikes Back
brute force
,
implementation
,
math
,
two pointers
1600
x8181
940A
Points on the line
brute force
,
greedy
,
sortings
1200
x8169
997A
Convert to Ones
brute force
,
greedy
,
implementation
,
math
1500
x8166
1677A
Tokitsukaze and Strange Inequality
brute force
,
data structures
,
dp
1600
x8122
1615C
Menorah
brute force
,
graphs
,
greedy
,
math
1600
x8065
1358D
The Best Vacation
binary search
,
brute force
,
greedy
,
implementation
,
two pointers
1900
x8029
653A
Bear and Three Balls
brute force
,
implementation
,
sortings
900
x8010
1335E2
Three Blocks Palindrome (hard version)
brute force
,
data structures
,
dp
,
two pointers
1800
x7987
629B
Far Relative’s Problem
brute force
1100
x7953
1916D
Mathematical Problem
brute force
,
constructive algorithms
,
geometry
,
math
1700
x7915
452A
Eevee
brute force
,
implementation
,
strings
1000
x7905
556B
Case of Fake Numbers
brute force
,
implementation
1100
x7879
858A
k-rounding
brute force
,
math
,
number theory
1100
x7861
1627D
Not Adding
brute force
,
dp
,
math
,
number theory
1900
x7853
1512G
Short Task
brute force
,
dp
,
math
,
number theory
1700
x7825
182D
Common Divisors
brute force
,
hashing
,
implementation
,
math
,
strings
1400
x7825
1084A
The Fair Nut and Elevator
brute force
,
implementation
1000
x7821
508A
Pasha and Pixels
brute force
1100
x7794
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x7762
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