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Codeforces Round 943 (Div. 3)
20:21:21
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*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
#
Name
1779A
Hall of Fame
constructive algorithms
,
greedy
,
strings
800
x22879
1828A
Divisible Array
constructive algorithms
,
math
800
x22866
1351A
A+B (Trial Problem)
implementation
800
x22832
1744B
Even-Odd Increments
implementation
,
math
800
x22760
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x22733
1566A
Median Maximization
binary search
,
greedy
,
math
800
x22713
1498A
GCD Sum
brute force
,
math
800
x22637
1754A
Technical Support
greedy
800
x22594
1657B
XY Sequence
greedy
800
x22567
1706A
Another String Minimization Problem
2-sat
,
constructive algorithms
,
greedy
,
string suffix structures
,
strings
800
x22543
1700A
Optimal Path
constructive algorithms
,
greedy
,
math
800
x22531
1730A
Planets
data structures
,
greedy
,
sortings
800
x22497
1647A
Madoka and Math Dad
implementation
,
math
800
x22450
1616A
Integer Diversity
implementation
800
x22420
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22409
1436A
Reorder
math
800
x22401
1492A
Three swimmers
math
800
x22397
1466B
Last minute enhancements
dp
,
greedy
800
x22364
1739A
Immobile Knight
implementation
800
x22291
1618B
Missing Bigram
implementation
800
x22264
1466A
Bovine Dilemma
brute force
,
geometry
,
math
800
x22262
1822C
Bun Lover
math
800
x22260
1913A
Rating Increase
implementation
800
x22226
1453A
Cancel the Trains
implementation
800
x22215
1806A
Walking Master
geometry
,
greedy
,
math
800
x22207
999A
Mishka and Contest
brute force
,
implementation
800
x22197
1474A
Puzzle From the Future
greedy
800
x22191
294A
Shaass and Oskols
implementation
,
math
800
x22129
1731A
Joey Takes Money
greedy
,
math
800
x22110
1694A
Creep
greedy
,
implementation
800
x22104
1637A
Sorting Parts
brute force
,
sortings
800
x22062
1635A
Min Or Sum
bitmasks
,
greedy
800
x22053
1879A
Rigged!
greedy
800
x22029
1749A
Cowardly Rooks
greedy
,
implementation
800
x21963
1774A
Add Plus Minus Sign
constructive algorithms
,
math
800
x21922
1743B
Permutation Value
constructive algorithms
,
greedy
800
x21914
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x21841
1249A
Yet Another Dividing into Teams
math
800
x21817
1452A
Robot Program
math
800
x21770
716A
Crazy Computer
implementation
800
x21763
1905A
Constructive Problems
constructive algorithms
,
math
800
x21730
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x21673
1713A
Traveling Salesman Problem
geometry
,
greedy
,
implementation
800
x21648
1900A
Cover in Water
constructive algorithms
,
greedy
,
implementation
,
strings
800
x21644
1847A
The Man who became a God
greedy
,
sortings
800
x21643
1759B
Lost Permutation
math
800
x21586
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21570
1708A
Difference Operations
greedy
,
math
800
x21466
1146A
Love "A"
implementation
,
strings
800
x21414
1504A
Déjà Vu
constructive algorithms
,
strings
800
x21393
248A
Cupboards
implementation
800
x21368
1937A
Shuffle Party
implementation
,
math
800
x21305
1223A
CME
math
800
x21303
1061A
Coins
greedy
,
implementation
,
math
800
x21302
1574A
Regular Bracket Sequences
constructive algorithms
800
x21296
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21294
1890A
Doremy's Paint 3
constructive algorithms
800
x21249
1405A
Permutation Forgery
constructive algorithms
800
x21237
1712B
Woeful Permutation
constructive algorithms
,
greedy
,
number theory
800
x21218
1638A
Reverse
constructive algorithms
,
greedy
,
math
800
x21210
1228A
Distinct Digits
brute force
,
implementation
800
x21203
1620A
Equal or Not Equal
constructive algorithms
,
dsu
,
implementation
800
x21195
1716B
Permutation Chain
constructive algorithms
,
math
800
x21186
1006A
Adjacent Replacements
implementation
800
x21151
1108A
Two distinct points
implementation
800
x21146
1777A
Everybody Likes Good Arrays!
greedy
,
math
800
x21129
1604A
Era
greedy
800
x21106
1834A
Unit Array
greedy
,
math
800
x21075
1928A
Rectangle Cutting
geometry
,
math
800
x21059
1780A
Hayato and School
constructive algorithms
,
greedy
800
x21056
1838A
Blackboard List
constructive algorithms
,
math
800
x21039
1499A
Domino on Windowsill
combinatorics
,
constructive algorithms
,
math
800
x21006
1680A
Minimums and Maximums
brute force
,
math
800
x21004
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x20967
1805A
We Need the Zero
bitmasks
,
brute force
800
x20939
1573A
Countdown
greedy
800
x20909
1944A
Destroying Bridges
graphs
,
greedy
,
math
800
x20879
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20853
1269A
Equation
brute force
,
math
800
x20851
22A
Second Order Statistics
brute force
800
x20814
1530A
Binary Decimal
greedy
,
math
800
x20748
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20746
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20712
1681A
Game with Cards
games
,
greedy
800
x20707
1688A
Cirno's Perfect Bitmasks Classroom
bitmasks
,
brute force
800
x20690
1300A
Non-zero
implementation
,
math
800
x20665
1733A
Consecutive Sum
greedy
,
sortings
800
x20650
1698B
Rising Sand
constructive algorithms
,
greedy
,
implementation
800
x20639
1422A
Fence
geometry
,
math
800
x20618
1684B
Z mod X = C
constructive algorithms
,
math
800
x20586
746A
Compote
implementation
,
math
800
x20571
38A
Army
implementation
800
x20500
1015A
Points in Segments
implementation
800
x20483
1615A
Closing The Gap
greedy
,
math
800
x20480
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20438
832A
Sasha and Sticks
games
,
math
800
x20330
1810A
Beautiful Sequence
brute force
,
greedy
800
x20327
1605A
A.M. Deviation
math
,
number theory
800
x20317
1393A
Rainbow Dash, Fluttershy and Chess Coloring
greedy
,
math
800
x20207
1287A
Angry Students
greedy
,
implementation
800
x20178
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