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combine-tags-by-or
*combine tags by OR
2-sat
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Custom test
Problems
#
Name
71A
Way Too Long Words
strings
800
x354226
112A
Petya and Strings
implementation
,
strings
800
x209513
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x198588
281A
Word Capitalization
implementation
,
strings
800
x196422
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x193597
118A
String Task
implementation
,
strings
1000
x181456
59A
Word
implementation
,
strings
800
x162352
96A
Football
implementation
,
strings
900
x149279
734A
Anton and Danik
implementation
,
strings
800
x140479
41A
Translation
implementation
,
strings
800
x135153
58A
Chat room
greedy
,
strings
1000
x122354
520A
Pangram
implementation
,
strings
800
x89961
208A
Dubstep
strings
900
x83665
785A
Anton and Polyhedrons
implementation
,
strings
800
x82343
131A
cAPS lOCK
implementation
,
strings
1000
x81295
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77970
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x62846
1791A
Codeforces Checking
implementation
,
strings
800
x55093
1367A
Short Substrings
implementation
,
strings
800
x54887
43A
Football
strings
1000
x52172
1619A
Square String?
implementation
,
strings
800
x48552
1829A
Love Story
implementation
,
strings
800
x45948
1374C
Move Brackets
greedy
,
strings
1000
x43438
731A
Night at the Museum
implementation
,
strings
800
x43211
1760B
Atilla's Favorite Problem
greedy
,
implementation
,
strings
800
x41804
1850C
Word on the Paper
implementation
,
strings
800
x41155
1927A
Make it White
greedy
,
strings
800
x39698
1579A
Casimir's String Solitaire
math
,
strings
800
x37820
499B
Lecture
implementation
,
strings
1000
x37502
977B
Two-gram
implementation
,
strings
900
x36818
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x36317
1607A
Linear Keyboard
implementation
,
strings
800
x36022
1790A
Polycarp and the Day of Pi
implementation
,
math
,
strings
800
x35640
978B
File Name
greedy
,
strings
800
x35025
1703C
Cypher
brute force
,
implementation
,
strings
800
x34187
1650A
Deletions of Two Adjacent Letters
implementation
,
strings
800
x33893
1931A
Recovering a Small String
brute force
,
strings
800
x33539
1840A
Cipher Shifer
implementation
,
strings
,
two pointers
800
x32598
1833A
Musical Puzzle
implementation
,
strings
800
x31586
1862A
Gift Carpet
dp
,
greedy
,
implementation
,
strings
800
x30739
1303A
Erasing Zeroes
implementation
,
strings
800
x30542
1927B
Following the String
constructive algorithms
,
greedy
,
strings
900
x30359
1811A
Insert Digit
greedy
,
math
,
strings
800
x30032
1800A
Is It a Cat?
implementation
,
strings
800
x30004
1741A
Compare T-Shirt Sizes
implementation
,
implementation
,
strings
800
x29840
1914A
Problemsolving Log
implementation
,
strings
800
x29742
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x29699
1941C
Rudolf and the Ugly String
dp
,
greedy
,
strings
900
x29658
1567A
Domino Disaster
implementation
,
strings
800
x29635
1729B
Decode String
greedy
,
strings
800
x29401
1807C
Find and Replace
greedy
,
implementation
,
strings
800
x29202
766A
Mahmoud and Longest Uncommon Subsequence
constructive algorithms
,
strings
1000
x28934
1220A
Cards
implementation
,
sortings
,
strings
800
x28837
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28829
1759A
Yes-Yes?
implementation
,
strings
800
x28785
1551B1
Wonderful Coloring - 1
greedy
,
strings
800
x28646
1397A
Juggling Letters
greedy
,
strings
800
x28120
1915D
Unnatural Language Processing
greedy
,
implementation
,
strings
900
x27713
1324B
Yet Another Palindrome Problem
brute force
,
strings
1100
x27493
1881A
Don't Try to Count
brute force
,
strings
800
x27466
1925A
We Got Everything Covered!
constructive algorithms
,
greedy
,
strings
800
x27143
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26952
1883B
Chemistry
strings
900
x26870
1462B
Last Year's Substring
dp
,
implementation
,
strings
800
x26569
1400A
String Similarity
constructive algorithms
,
strings
800
x26551
746B
Decoding
implementation
,
strings
900
x26251
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x26082
219A
k-String
implementation
,
strings
1000
x26024
1547B
Alphabetical Strings
greedy
,
implementation
,
strings
800
x25972
1922A
Tricky Template
constructive algorithms
,
implementation
,
strings
800
x25860
1480A
Yet Another String Game
games
,
greedy
,
strings
800
x25428
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x25415
1832A
New Palindrome
strings
800
x24878
1481A
Space Navigation
greedy
,
strings
800
x24655
1703D
Double Strings
brute force
,
data structures
,
strings
1100
x24384
1758A
SSeeeeiinngg DDoouubbllee
constructive algorithms
,
strings
800
x24377
1800B
Count the Number of Pairs
greedy
,
strings
1000
x23955
1539B
Love Song
dp
,
implementation
,
strings
800
x23792
1369B
AccurateLee
greedy
,
implementation
,
strings
1200
x23759
1634A
Reverse and Concatenate
greedy
,
strings
800
x23649
1552A
Subsequence Permutation
sortings
,
strings
800
x23515
1684A
Digit Minimization
constructive algorithms
,
games
,
math
,
strings
800
x23477
1506C
Double-ended Strings
brute force
,
implementation
,
strings
1000
x23400
1907B
YetnotherrokenKeoard
data structures
,
implementation
,
strings
1000
x23266
1795A
Two Towers
brute force
,
implementation
,
strings
800
x23240
1342B
Binary Period
constructive algorithms
,
strings
1100
x23149
1674C
Infinite Replacement
combinatorics
,
implementation
,
strings
1000
x22924
1779A
Hall of Fame
constructive algorithms
,
greedy
,
strings
800
x22895
1363B
Subsequence Hate
implementation
,
strings
1400
x22892
1606A
AB Balance
strings
900
x22842
1706A
Another String Minimization Problem
2-sat
,
constructive algorithms
,
greedy
,
string suffix structures
,
strings
800
x22566
1005B
Delete from the Left
brute force
,
implementation
,
strings
900
x22334
1626B
Minor Reduction
greedy
,
strings
1100
x22327
508B
Anton and currency you all know
greedy
,
math
,
strings
1300
x22077
1900A
Cover in Water
constructive algorithms
,
greedy
,
implementation
,
strings
800
x21920
1913B
Swap and Delete
strings
1000
x21805
1971B
Different String
implementation
,
strings
x21755
1800D
Remove Two Letters
data structures
,
greedy
,
hashing
,
strings
1200
x21699
1146A
Love "A"
implementation
,
strings
800
x21438
1504A
Déjà Vu
constructive algorithms
,
strings
800
x21403
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