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2023 Post World Finals Online ICPC Challenge powered by Huawei
11 days
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Codeforces Round 944 (Div. 4)
14:04:57
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brute force
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
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Problems
#
Name
1808A
Lucky Numbers
brute force
,
implementation
900
x17323
6A
Triangle
brute force
,
geometry
900
x19080
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20039
1496A
Split it!
brute force
,
constructive algorithms
,
greedy
,
strings
900
x20272
1494A
ABC String
bitmasks
,
brute force
,
implementation
900
x20412
1430A
Number of Apartments
brute force
,
constructive algorithms
,
math
900
x20459
1795B
Ideal Point
brute force
,
geometry
,
greedy
900
x21166
205A
Little Elephant and Rozdil
brute force
,
implementation
900
x21520
1875A
Jellyfish and Undertale
brute force
,
greedy
900
x21767
1679A
AvtoBus
brute force
,
greedy
,
math
,
number theory
900
x21869
1005B
Delete from the Left
brute force
,
implementation
,
strings
900
x22331
1617B
GCD Problem
brute force
,
constructive algorithms
,
math
,
number theory
900
x22413
1380A
Three Indices
brute force
,
data structures
900
x23298
1855B
Longest Divisors Interval
brute force
,
combinatorics
,
greedy
,
math
,
number theory
900
x23768
199A
Hexadecimal's theorem
brute force
,
constructive algorithms
,
implementation
,
number theory
900
x25085
1555A
PizzaForces
brute force
,
math
900
x27280
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29608
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x31095
1462C
Unique Number
brute force
,
greedy
,
math
900
x31265
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32377
320A
Magic Numbers
brute force
,
greedy
900
x33628
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x44292
1343A
Candies
brute force
,
math
900
x46289
1475B
New Year's Number
brute force
,
dp
,
math
900
x46444
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x83970
172A
Phone Code
*special problem
,
brute force
,
implementation
800
x5897
181A
Series of Crimes
brute force
,
geometry
,
implementation
800
x6705
794A
Bank Robbery
brute force
,
implementation
800
x6917
1250F
Data Center
brute force
,
implementation
800
x7147
157A
Game Outcome
brute force
800
x7412
46A
Ball Game
brute force
,
implementation
800
x8382
747A
Display Size
brute force
,
math
800
x10038
888A
Local Extrema
brute force
,
implementation
800
x10665
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x11694
811A
Vladik and Courtesy
brute force
,
implementation
800
x11706
32A
Reconnaissance
brute force
800
x12008
1534A
Colour the Flag
brute force
,
implementation
800
x12579
796A
Buying A House
brute force
,
implementation
800
x12838
629A
Far Relative’s Birthday Cake
brute force
,
combinatorics
,
constructive algorithms
,
implementation
800
x13121
854A
Fraction
brute force
,
constructive algorithms
,
math
800
x13397
1060A
Phone Numbers
brute force
800
x13711
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13783
47A
Triangular numbers
brute force
,
math
800
x14304
908A
New Year and Counting Cards
brute force
,
implementation
800
x14610
1271A
Suits
brute force
,
greedy
,
math
800
x14686
1415A
Prison Break
brute force
,
math
800
x14918
1898A
Milica and String
brute force
,
implementation
,
strings
800
x15051
1972A
Contest Proposal
brute force
,
greedy
,
two pointers
800
x15124
1789B
Serval and Inversion Magic
brute force
,
implementation
,
strings
,
two pointers
800
x15789
1236A
Stones
brute force
,
greedy
,
math
800
x15814
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x15877
919A
Supermarket
brute force
,
greedy
,
implementation
800
x15898
1750B
Maximum Substring
brute force
,
greedy
,
implementation
800
x15949
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x16019
764A
Taymyr is calling you
brute force
,
implementation
,
math
800
x16038
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16380
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x16434
1884A
Simple Design
brute force
,
greedy
,
math
800
x16443
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16446
918A
Eleven
brute force
,
implementation
800
x16759
1761A
Two Permutations
brute force
,
constructive algorithms
800
x16911
1789A
Serval and Mocha's Array
brute force
,
math
,
number theory
800
x16988
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17330
1612A
Distance
brute force
,
constructive algorithms
800
x17486
755A
PolandBall and Hypothesis
brute force
,
graphs
,
math
,
number theory
800
x17526
1191A
Tokitsukaze and Enhancement
brute force
800
x17820
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x17823
1491A
K-th Largest Value
brute force
,
greedy
,
implementation
800
x18037
1546A
AquaMoon and Two Arrays
brute force
,
greedy
800
x18076
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18245
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18412
1796A
Typical Interview Problem
brute force
,
implementation
,
strings
800
x18563
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x18665
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x18783
1775A1
Gardener and the Capybaras (easy version)
brute force
,
constructive algorithms
,
implementation
800
x19312
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19373
1623A
Robot Cleaner
brute force
,
implementation
,
math
800
x19888
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x20027
1536A
Omkar and Bad Story
brute force
,
constructive algorithms
800
x20040
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x20131
1810A
Beautiful Sequence
brute force
,
greedy
800
x20346
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20453
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20744
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20757
1688A
Cirno's Perfect Bitmasks Classroom
bitmasks
,
brute force
800
x20808
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20867
22A
Second Order Statistics
brute force
800
x20885
1269A
Equation
brute force
,
math
800
x20889
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x20990
1680A
Minimums and Maximums
brute force
,
math
800
x21026
1805A
We Need the Zero
bitmasks
,
brute force
800
x21046
1228A
Distinct Digits
brute force
,
implementation
800
x21214
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21324
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x21704
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x21903
1637A
Sorting Parts
brute force
,
sortings
800
x22074
999A
Mishka and Contest
brute force
,
implementation
800
x22256
1466A
Bovine Dilemma
brute force
,
geometry
,
math
800
x22271
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22435
1498A
GCD Sum
brute force
,
math
800
x22652
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