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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
x354185
112A
Petya and Strings
implementation
,
strings
800
x209490
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x198575
281A
Word Capitalization
implementation
,
strings
800
x196399
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x193577
118A
String Task
implementation
,
strings
1000
x181446
59A
Word
implementation
,
strings
800
x162326
96A
Football
implementation
,
strings
900
x149263
734A
Anton and Danik
implementation
,
strings
800
x140466
41A
Translation
implementation
,
strings
800
x135142
58A
Chat room
greedy
,
strings
1000
x122348
520A
Pangram
implementation
,
strings
800
x89951
208A
Dubstep
strings
900
x83659
785A
Anton and Polyhedrons
implementation
,
strings
800
x82336
131A
cAPS lOCK
implementation
,
strings
1000
x81291
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77969
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x62824
1791A
Codeforces Checking
implementation
,
strings
800
x55089
1367A
Short Substrings
implementation
,
strings
800
x54884
43A
Football
strings
1000
x52171
1619A
Square String?
implementation
,
strings
800
x48549
1829A
Love Story
implementation
,
strings
800
x45943
1374C
Move Brackets
greedy
,
strings
1000
x43436
731A
Night at the Museum
implementation
,
strings
800
x43209
1760B
Atilla's Favorite Problem
greedy
,
implementation
,
strings
800
x41799
1850C
Word on the Paper
implementation
,
strings
800
x41150
1927A
Make it White
greedy
,
strings
800
x39694
1579A
Casimir's String Solitaire
math
,
strings
800
x37818
499B
Lecture
implementation
,
strings
1000
x37501
977B
Two-gram
implementation
,
strings
900
x36818
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x36317
1607A
Linear Keyboard
implementation
,
strings
800
x36021
1790A
Polycarp and the Day of Pi
implementation
,
math
,
strings
800
x35637
978B
File Name
greedy
,
strings
800
x35024
1703C
Cypher
brute force
,
implementation
,
strings
800
x34183
1650A
Deletions of Two Adjacent Letters
implementation
,
strings
800
x33893
1931A
Recovering a Small String
brute force
,
strings
800
x33537
1840A
Cipher Shifer
implementation
,
strings
,
two pointers
800
x32597
1833A
Musical Puzzle
implementation
,
strings
800
x31585
1862A
Gift Carpet
dp
,
greedy
,
implementation
,
strings
800
x30739
1303A
Erasing Zeroes
implementation
,
strings
800
x30540
1927B
Following the String
constructive algorithms
,
greedy
,
strings
900
x30356
1811A
Insert Digit
greedy
,
math
,
strings
800
x30030
1800A
Is It a Cat?
implementation
,
strings
800
x30003
1741A
Compare T-Shirt Sizes
implementation
,
implementation
,
strings
800
x29839
1914A
Problemsolving Log
implementation
,
strings
800
x29742
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x29698
1941C
Rudolf and the Ugly String
dp
,
greedy
,
strings
900
x29656
1567A
Domino Disaster
implementation
,
strings
800
x29634
1729B
Decode String
greedy
,
strings
800
x29399
1807C
Find and Replace
greedy
,
implementation
,
strings
800
x29200
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
x28827
1759A
Yes-Yes?
implementation
,
strings
800
x28785
1551B1
Wonderful Coloring - 1
greedy
,
strings
800
x28646
1397A
Juggling Letters
greedy
,
strings
800
x28119
1915D
Unnatural Language Processing
greedy
,
implementation
,
strings
900
x27709
1324B
Yet Another Palindrome Problem
brute force
,
strings
1100
x27493
1881A
Don't Try to Count
brute force
,
strings
800
x27464
1925A
We Got Everything Covered!
constructive algorithms
,
greedy
,
strings
800
x27142
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26951
1883B
Chemistry
strings
900
x26865
1462B
Last Year's Substring
dp
,
implementation
,
strings
800
x26569
1400A
String Similarity
constructive algorithms
,
strings
800
x26550
746B
Decoding
implementation
,
strings
900
x26251
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x26079
219A
k-String
implementation
,
strings
1000
x26024
1547B
Alphabetical Strings
greedy
,
implementation
,
strings
800
x25972
1922A
Tricky Template
constructive algorithms
,
implementation
,
strings
800
x25859
1480A
Yet Another String Game
games
,
greedy
,
strings
800
x25428
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x25414
1832A
New Palindrome
strings
800
x24878
1481A
Space Navigation
greedy
,
strings
800
x24655
1703D
Double Strings
brute force
,
data structures
,
strings
1100
x24382
1758A
SSeeeeiinngg DDoouubbllee
constructive algorithms
,
strings
800
x24377
1800B
Count the Number of Pairs
greedy
,
strings
1000
x23954
1539B
Love Song
dp
,
implementation
,
strings
800
x23791
1369B
AccurateLee
greedy
,
implementation
,
strings
1200
x23758
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
x23399
1907B
YetnotherrokenKeoard
data structures
,
implementation
,
strings
1000
x23265
1795A
Two Towers
brute force
,
implementation
,
strings
800
x23240
1342B
Binary Period
constructive algorithms
,
strings
1100
x23148
1674C
Infinite Replacement
combinatorics
,
implementation
,
strings
1000
x22924
1779A
Hall of Fame
constructive algorithms
,
greedy
,
strings
800
x22895
1363B
Subsequence Hate
implementation
,
strings
1400
x22891
1606A
AB Balance
strings
900
x22840
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
x22076
1900A
Cover in Water
constructive algorithms
,
greedy
,
implementation
,
strings
800
x21915
1913B
Swap and Delete
strings
1000
x21803
1800D
Remove Two Letters
data structures
,
greedy
,
hashing
,
strings
1200
x21699
1146A
Love "A"
implementation
,
strings
800
x21436
1504A
Déjà Vu
constructive algorithms
,
strings
800
x21403
798A
Mike and palindrome
brute force
,
constructive algorithms
,
strings
1000
x21062
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