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2023 Post World Finals Online ICPC Challenge powered by Huawei
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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
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Problems
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Problems
#
Name
158A
Next Round
*special problem
,
implementation
800
x232787
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82501
770A
New Password
*special problem
,
implementation
800
x18761
1331A
Is it rated?
*special problem
x17001
522A
Reposts
*special problem
,
dfs and similar
,
dp
,
graphs
,
trees
1200
x15719
637B
Chat Order
*special problem
,
binary search
,
constructive algorithms
,
data structures
,
sortings
1200
x15053
1505A
Is it rated - 2
*special problem
,
implementation
,
interactive
900
x14006
1812A
Are You a Robot?
*special problem
,
*special problem
,
*special problem
,
expression parsing
,
strings
x13055
1331D
Again?
*special problem
,
implementation
x11858
1663A
Who Tested?
*special problem
,
expression parsing
,
trees
x10397
158C
Cd and pwd commands
*special problem
,
data structures
,
implementation
1400
x8877
522B
Photo to Remember
*special problem
,
data structures
,
dp
,
implementation
1100
x8687
409H
A + B Strikes Back
*special problem
,
brute force
,
constructive algorithms
,
dsu
,
implementation
1500
x8684
411A
Password Check
*special problem
,
implementation
800
x6980
1331B
Limericks
*special problem
,
math
,
number theory
x6977
1505C
Fibonacci Words
*special problem
,
implementation
1400
x6302
158D
Ice Sculptures
*special problem
,
brute force
,
number theory
1300
x6170
1505B
DMCA
*special problem
,
implementation
,
number theory
1600
x6003
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5985
172A
Phone Code
*special problem
,
brute force
,
implementation
800
x5898
1812J
Unmysterious Language
*special problem
,
constructive algorithms
,
strings
x5792
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x5759
1663C
Pōja Verdon
*special problem
,
implementation
,
math
x5616
1812B
Was it Rated?
*special problem
,
*special problem
,
*special problem
,
brute force
,
implementation
x5571
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5571
637A
Voting for Photos
*special problem
,
constructive algorithms
,
implementation
1000
x5313
644A
Parliament of Berland
*special problem
,
constructive algorithms
1000
x4380
171A
Mysterious numbers - 1
*special problem
,
constructive algorithms
1200
x4350
1812D
Trivial Conjecture
*special problem
,
constructive algorithms
,
math
,
number theory
x4336
159D
Palindrome pairs
*special problem
,
brute force
,
dp
,
strings
1500
x4250
774C
Maximum Number
*special problem
,
constructive algorithms
,
greedy
,
implementation
1200
x4026
1812E
Not a Geometry Problem
*special problem
,
*special problem
,
constructive algorithms
,
geometry
,
math
x3942
171B
Star
*special problem
,
combinatorics
1300
x3939
638A
Home Numbers
*special problem
,
constructive algorithms
,
math
1100
x3755
159B
Matchmaker
*special problem
,
greedy
,
sortings
1100
x3676
656A
Da Vinci Powers
*special problem
1900
x3559
1663B
Mike's Sequence
*special problem
,
divide and conquer
,
implementation
,
math
x3356
928A
Login Verification
*special problem
,
strings
1200
x3335
769B
News About Credit
*special problem
,
greedy
,
two pointers
1200
x3235
1331C
...And after happily lived ever they
*special problem
,
bitmasks
x3134
784A
Numbers Joke
*special problem
1700
x3118
291B
Command Line Arguments
*special problem
,
implementation
,
strings
1300
x3012
522D
Closest Equals
*special problem
,
data structures
2000
x2952
290A
Mysterious strings
*special problem
,
implementation
1400
x2945
159C
String Manipulation 1.0
*special problem
,
binary search
,
brute force
,
data structures
,
strings
1400
x2919
770B
Maximize Sum of Digits
*special problem
,
implementation
,
math
1300
x2725
64A
Factorial
*special problem
,
implementation
1300
x2700
172B
Pseudorandom Sequence Period
*special problem
,
implementation
,
number theory
1200
x2688
644B
Processing Queries
*special problem
,
constructive algorithms
,
data structures
,
two pointers
1700
x2603
523A
Rotate, Flip and Zoom
*special problem
,
implementation
1200
x2571
770C
Online Courses In BSU
*special problem
,
dfs and similar
,
graphs
,
implementation
1500
x2533
171D
Broken checker
*special problem
,
brute force
1300
x2511
928B
Chat
*special problem
,
dp
1400
x2507
929A
Прокат велосипедов
*special problem
,
greedy
,
implementation
1400
x2491
523C
Name Quest
*special problem
,
greedy
1400
x2466
159A
Friends or Not
*special problem
,
greedy
,
implementation
1400
x2454
409A
The Great Game
*special problem
1700
x2435
637C
Promocodes with Mistakes
*special problem
,
brute force
,
constructive algorithms
,
implementation
1400
x2409
290B
QR code
*special problem
,
implementation
1500
x2402
523D
Statistics of Recompressing Videos
*special problem
,
data structures
,
implementation
1600
x2243
769D
k-Interesting Pairs Of Integers
*special problem
,
bitmasks
,
brute force
,
meet-in-the-middle
1700
x2210
769C
Cycle In Maze
*special problem
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1700
x2111
72G
Fibonacci army
*special problem
,
dp
1000
x2047
409F
000001
*special problem
1900
x2040
929B
Места в самолёте
*special problem
,
implementation
1300
x2037
637D
Running with Obstacles
*special problem
,
data structures
,
dp
,
greedy
1600
x1952
409C
Magnum Opus
*special problem
1700
x1943
1346A
Color Revolution
*special problem
,
math
1000
x1941
638B
Making Genome in Berland
*special problem
,
dfs and similar
,
strings
1500
x1929
774D
Lie or Truth
*special problem
,
constructive algorithms
,
implementation
,
sortings
1500
x1904
1769A
Узкая дорога
*special problem
,
math
800
x1897
784E
Twisted Circuit
*special problem
,
brute force
,
implementation
2000
x1878
1057B
DDoS
*special problem
,
brute force
1400
x1791
1431A
Selling Hamburgers
*special problem
800
x1786
290D
Orange
*special problem
,
implementation
1400
x1783
1505E
Cakewalk
*special problem
,
greedy
,
implementation
,
shortest paths
1800
x1720
409D
Big Data
*special problem
1700
x1695
291C
Network Mask
*special problem
,
bitmasks
,
brute force
,
implementation
1600
x1665
656B
Scrambled
*special problem
,
implementation
1700
x1629
1910A
Username
*special problem
,
implementation
1100
x1584
770D
Draw Brackets!
*special problem
,
implementation
1400
x1567
130A
Hexagonal numbers
*special problem
,
implementation
900
x1522
290C
WTF?
*special problem
,
graph matchings
,
implementation
,
trees
1700
x1516
638C
Road Improvement
*special problem
,
dfs and similar
,
graphs
,
greedy
,
trees
1800
x1488
1505F
Math
*special problem
,
math
2200
x1471
291D
Parallel Programming
*special problem
,
greedy
1600
x1467
158E
Phone Talks
*special problem
,
dp
,
sortings
1900
x1449
1531A
Зингер | color
*special problem
,
implementation
x1443
171E
MYSTERIOUS LANGUAGE
*special problem
2000
x1401
1663D
Is it rated - 3
*special problem
,
combinatorics
,
dp
,
math
x1384
172D
Calendar Reform
*special problem
,
number theory
1500
x1382
1170A
Three Integers Again
*special problem
,
math
x1374
409B
Mysterious Language
*special problem
1700
x1342
1488A
From Zero To Y
*special problem
,
math
900
x1337
1387B1
Village (Minimum)
*special problem
,
dp
,
greedy
,
trees
2100
x1323
1769B1
Копирование файлов I
*special problem
,
brute force
,
implementation
,
math
1000
x1311
291E
Tree-String Problem
*special problem
,
dfs and similar
,
hashing
,
strings
2000
x1275
1211A
Three Problems
*special problem
,
implementation
1000
x1272
1663H
Cross-Language Program
*special problem
,
constructive algorithms
x1263
774K
Stepan and Vowels
*special problem
,
implementation
,
strings
1600
x1256
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