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Codeforces Round 946 (Div. 3)
2 days
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→ Filter Problems
Difficulty:
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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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Custom test
Problems
#
Name
802G
Fake News (easy)
implementation
,
strings
800
x6726
181A
Series of Crimes
brute force
,
geometry
,
implementation
800
x6718
357A
Group of Students
brute force
,
greedy
,
implementation
1000
x6700
10A
Power Consumption Calculation
implementation
900
x6686
14B
Young Photographer
implementation
1000
x6677
284B
Cows and Poker Game
brute force
,
implementation
1000
x6672
35A
Shell Game
implementation
1000
x6624
306A
Candies
implementation
800
x6601
793A
Oleg and shares
implementation
,
math
900
x6574
169A
Chores
sortings
800
x6572
1056A
Determine Line
implementation
800
x6543
847G
University Classes
implementation
900
x6529
99A
Help Far Away Kingdom
strings
800
x6523
1054B
Appending Mex
implementation
1000
x6451
400A
Inna and Choose Options
implementation
1000
x6403
1912L
LOL Lovers
strings
800
x6357
45A
Codecraft III
implementation
900
x6345
847M
Weather Tomorrow
implementation
,
math
1000
x6186
628A
Tennis Tournament
implementation
,
math
1000
x6181
626A
Robot Sequence
brute force
,
implementation
1000
x6147
1090M
The Pleasant Walk
implementation
1000
x6024
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5987
371A
K-Periodic Array
greedy
,
implementation
,
math
1000
x5951
106B
Choosing Laptop
brute force
,
implementation
1000
x5943
386A
Second-Price Auction
implementation
800
x5931
172A
Phone Code
*special problem
,
brute force
,
implementation
800
x5902
420A
Start Up
implementation
1000
x5889
641A
Little Artem and Grasshopper
implementation
1000
x5814
421A
Pasha and Hamsters
constructive algorithms
,
implementation
800
x5781
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x5774
48A
Rock-paper-scissors
implementation
,
schedules
900
x5641
1252A
Copying Homework
1000
x5579
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5574
1177A
Digits Sequence (Easy Edition)
implementation
1000
x5494
637A
Voting for Photos
*special problem
,
constructive algorithms
,
implementation
1000
x5316
412B
Network Configuration
greedy
,
sortings
900
x5276
660B
Seating On Bus
implementation
1000
x5227
299B
Ksusha the Squirrel
brute force
,
implementation
900
x5133
74A
Room Leader
implementation
1000
x4940
90A
Cableway
greedy
,
math
1000
x4519
120A
Elevator
brute force
,
implementation
,
math
1000
x4504
644A
Parliament of Berland
*special problem
,
constructive algorithms
1000
x4399
412A
Poster
greedy
,
implementation
900
x4311
177B1
Rectangular Game
number theory
1000
x3995
250A
Paper Work
greedy
1000
x3994
1773F
Football
constructive algorithms
800
x3952
1089L
Lazyland
900
x3831
1267B
Balls of Buma
900
x3790
1906A
Easy As ABC
brute force
1000
x3555
958B1
Maximum Control (easy)
implementation
1000
x3324
491A
Up the hill
constructive algorithms
,
implementation
1000
x2823
125B
Simple XML
implementation
1000
x2760
1970A1
Balanced Shuffle (Easy)
implementation
,
sortings
1000
x2130
72G
Fibonacci army
*special problem
,
dp
1000
x2053
1346A
Color Revolution
*special problem
,
math
1000
x1947
1769A
Узкая дорога
*special problem
,
math
800
x1903
1431A
Selling Hamburgers
*special problem
800
x1791
178A2
Educational Game
greedy
1000
x1569
178A1
Educational Game
1000
x1551
130A
Hexagonal numbers
*special problem
,
implementation
900
x1523
1488A
From Zero To Y
*special problem
,
math
900
x1341
1769B1
Копирование файлов I
*special problem
,
brute force
,
implementation
,
math
1000
x1315
1211A
Three Problems
*special problem
,
implementation
1000
x1277
1571A
Sequence of Comparisons
*special problem
800
x1254
648B
Собери стол
constructive algorithms
,
sortings
800
x1238
649A
Любимые числа Поликарпа
constructive algorithms
,
implementation
1000
x1107
1002A1
Generate superposition of all basis states
800
x822
648A
Наибольший подъем
constructive algorithms
,
implementation
900
x582
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