Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round #792 (Div. 1 + Div. 2)
29:30:51
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
strings
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
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
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
71A
Way Too Long Words
strings
800
x219573
112A
Petya and Strings
implementation
,
strings
800
x133600
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x124838
281A
Word Capitalization
implementation
,
strings
800
x121423
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x115369
59A
Word
implementation
,
strings
800
x96213
41A
Translation
implementation
,
strings
800
x83128
734A
Anton and Danik
implementation
,
strings
800
x83000
520A
Pangram
implementation
,
strings
800
x54679
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x51995
785A
Anton and Polyhedrons
implementation
,
strings
800
x51982
1367A
Short Substrings
implementation
,
strings
800
x40316
1619A
Square String?
implementation
,
strings
800
x29976
1579A
Casimir's String Solitaire
math
,
strings
800
x29744
731A
Night at the Museum
implementation
,
strings
800
x29501
1607A
Linear Keyboard
implementation
,
strings
800
x27947
1650A
Deletions of Two Adjacent Letters
implementation
,
strings
800
x26147
978B
File Name
greedy
,
strings
800
x26001
1397A
Juggling Letters
greedy
,
strings
800
x24887
1567A
Domino Disaster
implementation
,
strings
800
x24666
1551B1
Wonderful Coloring - 1
greedy
,
strings
800
x24603
1400A
String Similarity
constructive algorithms
,
strings
800
x24248
1462B
Last Year's Substring
dp
,
implementation
,
strings
800
x23068
1220A
Cards
implementation
,
sortings
,
strings
800
x22926
1303A
Erasing Zeroes
implementation
,
strings
800
x22857
1547B
Alphabetical Strings
greedy
,
implementation
,
strings
800
x22512
1480A
Yet Another String Game
games
,
greedy
,
strings
800
x22426
1481A
Space Navigation
greedy
,
strings
800
x22248
1634A
Reverse and Concatenate
greedy
,
strings
800
x20889
1552A
Subsequence Permutation
sortings
,
strings
800
x20551
1539B
Love Song
dp
,
implementation
,
strings
800
x19710
1504A
Déjà Vu
constructive algorithms
,
strings
800
x18994
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x17956
1146A
Love "A"
implementation
,
strings
800
x17763
1301A
Three Strings
implementation
,
strings
800
x17679
1284A
New Year and Naming
implementation
,
strings
800
x16901
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x16786
1216A
Prefixes
strings
800
x16552
1144A
Diverse Strings
implementation
,
strings
800
x16201
1139A
Even Substrings
implementation
,
strings
800
x15031
1673A
Subtle Substring Subtraction
games
,
greedy
,
strings
800
x14668
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x14339
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x14124
1654B
Prefix Removals
strings
800
x13673
1189A
Keanu Reeves
strings
800
x13591
1038A
Equality
implementation
,
strings
800
x12850
831B
Keyboard Layouts
implementation
,
strings
800
x11937
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x11910
1085A
Right-Left Cipher
implementation
,
strings
800
x11015
735A
Ostap and Grasshopper
implementation
,
strings
800
x10806
78A
Haiku
implementation
,
strings
800
x8111
99A
Help Far Away Kingdom
strings
800
x5079
802G
Fake News (easy)
implementation
,
strings
800
x4818
96A
Football
implementation
,
strings
900
x100463
208A
Dubstep
strings
900
x58296
977B
Two-gram
implementation
,
strings
900
x25273
746B
Decoding
implementation
,
strings
900
x18260
1496A
Split it!
brute force
,
constructive algorithms
,
greedy
,
strings
900
x17518
1606A
AB Balance
strings
900
x17144
1451B
Non-Substring Subsequence
dp
,
greedy
,
implementation
,
strings
900
x17031
1291A
Even But Not Even
greedy
,
math
,
strings
900
x16686
1005B
Delete from the Left
brute force
,
implementation
,
strings
900
x16276
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x13585
1201A
Important Exam
implementation
,
strings
900
x13056
1008A
Romaji
implementation
,
strings
900
x12742
918B
Radio Station
implementation
,
strings
900
x11476
554A
Kyoya and Photobooks
brute force
,
math
,
strings
900
x11124
1107A
Digits Sequence Dividing
greedy
,
strings
900
x10859
776A
A Serial Killer
brute force
,
implementation
,
strings
900
x9942
745A
Hongcow Learns the Cyclic Shift
implementation
,
strings
900
x9060
989A
A Blend of Springtime
implementation
,
strings
900
x8971
801B
Valued Keys
constructive algorithms
,
greedy
,
strings
900
x8718
63A
Sinking Ship
implementation
,
sortings
,
strings
900
x8462
549A
Face Detection
implementation
,
strings
900
x8257
94A
Restoring Password
implementation
,
strings
900
x8178
981A
Antipalindrome
brute force
,
implementation
,
strings
900
x7925
616A
Comparing Two Long Integers
implementation
,
strings
900
x7825
975A
Aramic script
implementation
,
strings
900
x7757
868A
Bark to Unlock
brute force
,
implementation
,
strings
900
x7349
747B
Mammoth's Genome Decoding
implementation
,
strings
900
x7277
729A
Interview with Oleg
implementation
,
strings
900
x6431
118A
String Task
implementation
,
strings
1000
x126293
58A
Chat room
greedy
,
strings
1000
x84228
131A
cAPS lOCK
implementation
,
strings
1000
x58879
43A
Football
strings
1000
x31516
1374C
Move Brackets
greedy
,
strings
1000
x31041
499B
Lecture
implementation
,
strings
1000
x27607
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x22818
766A
Mahmoud and Longest Uncommon Subsequence
constructive algorithms
,
strings
1000
x20059
1506C
Double-ended Strings
brute force
,
implementation
,
strings
1000
x19225
219A
k-String
implementation
,
strings
1000
x18186
798A
Mike and palindrome
brute force
,
constructive algorithms
,
strings
1000
x16645
1251A
Broken Keyboard
brute force
,
strings
,
two pointers
1000
x15296
1111A
Superhero Transformation
implementation
,
strings
1000
x14967
1674C
Infinite Replacement
combinatorics
,
implementation
,
strings
1000
x14417
672B
Different is Good
constructive algorithms
,
implementation
,
strings
1000
x14287
1278A
Shuffle Hashing
brute force
,
implementation
,
strings
1000
x13081
1243B1
Character Swap (Easy Version)
strings
1000
x12995
1027A
Palindromic Twist
implementation
,
strings
1000
x12795
1223B
Strings Equalization
strings
1000
x12751
←
1
2
3
...
5
6
→
User lists
Name