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Codeforces Round 1134 (Div. 4)
5 days
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Difficulty:
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dp
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
communication
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
2274A
The Projections of Paco
dfs and similar
,
dp
,
hashing
,
implementation
,
math
800
x8200
2247A
Zero Sum
constructive algorithms
,
dp
,
number theory
800
x23602
2244A
Iskander and Drawings
dp
,
games
,
greedy
,
strings
800
x31512
2238B
Crimson Triples
dp
,
math
,
number theory
900
x17277
2222A
A Wonderful Contest
brute force
,
dp
,
math
800
x12934
2210A
A Simple Sequence
constructive algorithms
,
dp
,
greedy
,
number theory
800
x25510
2203B
Beautiful Numbers
bitmasks
,
dp
,
fft
,
greedy
,
math
1000
x17258
2179B
Blackslex and Showering
dp
,
greedy
,
implementation
800
x29743
2178B
Impost or Sus
dp
,
greedy
,
implementation
,
strings
900
x22965
2126B
No Casino in the Mountains
dp
,
greedy
800
x39050
2114C
Need More Arrays
dp
,
greedy
1000
x32213
2104B
Move to the End
brute force
,
data structures
,
dp
,
greedy
,
implementation
1000
x21688
2091B
Team Training
dp
,
greedy
,
sortings
800
x33487
2090B
Pushing Balls
brute force
,
dp
,
implementation
1000
x17095
2053A
Tender Carpenter
dp
,
geometry
,
greedy
,
math
800
x21480
2031A
Penchick and Modern Monument
constructive algorithms
,
dp
,
greedy
,
math
800
x21518
2019A
Max Plus Size
brute force
,
dp
,
greedy
800
x27798
1973A
Chess For Three
brute force
,
dp
,
implementation
,
math
900
x29294
1941C
Rudolf and the Ugly String
dp
,
greedy
,
strings
900
x40431
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x35825
1932A
Thorns and Coins
dp
,
greedy
,
implementation
800
x34968
1900B
Laura and Operations
dp
,
math
900
x21207
1883C
Raspberries
dp
,
math
1000
x58081
1862A
Gift Carpet
dp
,
greedy
,
implementation
,
strings
800
x36958
1861B
Two Binary Strings
constructive algorithms
,
dp
,
greedy
1000
x24461
1829D
Gold Rush
brute force
,
dfs and similar
,
dp
,
implementation
1000
x36225
1732B
Ugu
brute force
,
dp
,
greedy
,
implementation
900
x17804
1709B
Also Try Minecraft
data structures
,
dp
,
implementation
900
x26803
1686B
Odd Subarrays
dp
,
greedy
800
x19532
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x26496
1593B
Make it Divisible by 25
dfs and similar
,
dp
,
greedy
,
math
,
math
900
x45571
1566C
MAX-MEX Cut
bitmasks
,
constructive algorithms
,
dp
,
greedy
1000
x19356
1566B
MIN-MEX Cut
bitmasks
,
constructive algorithms
,
dp
,
greedy
800
x21725
1559B
Mocha and Red and Blue
dp
,
greedy
900
x24571
1549B
Gregor and the Pawn Game
dfs and similar
,
dp
,
flows
,
graph matchings
,
graphs
,
greedy
,
implementation
800
x27633
1539B
Love Song
dp
,
implementation
,
strings
800
x27231
1538A
Stone Game
brute force
,
dp
,
greedy
800
x41417
1519B
The Cake Is a Lie
dp
,
math
800
x33895
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x21485
1499B
Binary Removals
brute force
,
dp
,
greedy
,
implementation
1000
x22308
1475B
New Year's Number
brute force
,
dp
,
math
900
x59805
1472B
Fair Division
dp
,
greedy
,
math
800
x62187
1469B
Red and Blue
dp
,
greedy
1000
x31811
1466B
Last minute enhancements
dp
,
greedy
800
x23737
1462B
Last Year's Substring
dp
,
implementation
,
strings
800
x29655
1451B
Non-Substring Subsequence
dp
,
greedy
,
implementation
,
strings
900
x20608
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x29738
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x34752
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x21149
1206B
Make Product Equal One
dp
,
implementation
900
x30169
1182A
Filling Shapes
dp
,
math
1000
x36705
1180A
Alex and a Rhombus
dp
,
implementation
,
math
800
x28031
1113A
Sasha and His Trip
dp
,
greedy
,
math
900
x18519
996A
Hit the Lottery
dp
,
greedy
800
x127254
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x15493
894A
QAQ
brute force
,
dp
800
x40514
753A
Santa Claus and Candies
dp
,
greedy
,
math
1000
x10234
732B
Cormen --- The Best Friend Of a Man
dp
,
greedy
1000
x26111
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x58205
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x112846
72G
Fibonacci army
*special problem
,
dp
1000
x3052
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