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Before contest
Codeforces Round 941 (Div. 1)
01:42:43
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Before contest
Codeforces Round 941 (Div. 2)
01:42:43
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→ Filter Problems
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dp
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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Custom test
Problems
#
Name
1040B
Shashlik Cooking
dp
,
greedy
,
math
1300
x7009
798B
Mike and strings
brute force
,
dp
,
strings
1300
x8258
416B
Art Union
brute force
,
dp
,
implementation
1300
x8470
870C
Maximum splitting
dp
,
greedy
,
math
,
number theory
1300
x8950
1315B
Homecoming
binary search
,
dp
,
greedy
,
strings
1300
x8958
665C
Simple Strings
dp
,
greedy
,
strings
1300
x9128
777B
Game of Credit Cards
data structures
,
dp
,
greedy
,
sortings
1300
x9328
628B
New Skateboard
dp
1300
x10288
1900C
Anji's Binary Tree
dfs and similar
,
dp
,
trees
1300
x10351
1870C
Colorful Table
binary search
,
data structures
,
dp
,
implementation
,
math
,
two pointers
1300
x10681
1774C
Ice and Fire
constructive algorithms
,
dp
,
greedy
1300
x11531
1945D
Seraphim the Owl
dp
,
greedy
1300
x11750
1534C
Little Alawn's Puzzle
combinatorics
,
dp
,
dsu
,
graphs
,
math
1300
x12476
1937B
Binary Path
dp
,
greedy
,
implementation
1300
x12886
1766C
Hamiltonian Wall
dp
,
implementation
1300
x13050
1553B
Reverse String
brute force
,
dp
,
hashing
,
implementation
,
strings
1300
x13791
1178B
WOW Factor
dp
,
strings
1300
x13812
1176C
Lose it!
dp
,
greedy
,
implementation
1300
x13828
1459B
Move and Turn
dp
,
math
1300
x13861
1948C
Arrow Path
brute force
,
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
shortest paths
1300
x14070
1676G
White-Black Balanced Subtrees
dfs and similar
,
dp
,
graphs
,
trees
1300
x14095
1753A1
Make Nonzero Sum (easy version)
constructive algorithms
,
dp
,
greedy
1300
x14253
1844C
Particles
dp
,
greedy
,
implementation
,
math
1300
x14763
1879C
Make it Alternating
combinatorics
,
dp
,
greedy
1300
x14808
1443B
Saving the City
dp
,
greedy
,
math
,
sortings
1300
x15463
1661B
Getting Zero
bitmasks
,
brute force
,
dfs and similar
,
dp
,
graphs
,
greedy
,
shortest paths
1300
x16936
1420C1
Pokémon Army (easy version)
constructive algorithms
,
dp
,
greedy
1300
x16995
1466C
Canine poetry
dp
,
greedy
,
strings
1300
x17287
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x18060
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18062
1618D
Array and Operations
dp
,
greedy
,
math
1300
x18237
1037C
Equalize
dp
,
greedy
,
strings
1300
x18281
1660C
Get an Even String
dp
,
greedy
,
strings
1300
x18703
1555C
Coin Rows
brute force
,
constructive algorithms
,
dp
,
implementation
1300
x20812
1285B
Just Eat It!
dp
,
greedy
,
implementation
1300
x20913
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21183
1360E
Polygon
dp
,
graphs
,
implementation
,
shortest paths
1300
x24361
476B
Dreamoon and WiFi
bitmasks
,
brute force
,
combinatorics
,
dp
,
math
,
probabilities
1300
x28953
189A
Cut Ribbon
brute force
,
dp
1300
x62258
1769C1
Подкрутка I
*special problem
,
brute force
,
dp
,
greedy
1200
x928
729B
Spotlights
dp
,
implementation
1200
x7705
1140D
Minimum Triangulation
dp
,
greedy
,
math
1200
x12359
998B
Cutting
dp
,
greedy
,
sortings
1200
x12731
1245B
Restricted RPS
constructive algorithms
,
dp
,
greedy
1200
x13428
1200B
Block Adventure
dp
,
greedy
1200
x13586
1042B
Vitamins
bitmasks
,
brute force
,
dp
,
implementation
1200
x15111
522A
Reposts
*special problem
,
dfs and similar
,
dp
,
graphs
,
trees
1200
x15693
1859C
Another Permutation Problem
brute force
,
dp
,
greedy
,
math
1200
x16255
1941D
Rudolf and the Ball Game
dfs and similar
,
dp
,
implementation
1200
x16321
1029B
Creating the Contest
dp
,
greedy
,
math
1200
x16378
1934B
Yet Another Coin Problem
brute force
,
dp
,
greedy
,
math
1200
x16381
1485B
Replace and Keep Sorted
dp
,
implementation
,
math
1200
x16643
1713C
Build Permutation
constructive algorithms
,
dp
,
math
1200
x16788
1843D
Apple Tree
combinatorics
,
dfs and similar
,
dp
,
math
,
trees
1200
x16963
1553C
Penalty
bitmasks
,
brute force
,
dp
,
greedy
1200
x17271
1846C
Rudolf and the Another Competition
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
1200
x17880
1914D
Three Activities
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x17954
961B
Lecture Sleep
data structures
,
dp
,
implementation
,
two pointers
1200
x19132
1598C
Delete Two Elements
data structures
,
dp
,
implementation
,
math
,
two pointers
1200
x19996
1406B
Maximum Product
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x22012
1926C
Vlad and a Sum of Sum of Digits
dp
,
implementation
1200
x22720
1355B
Young Explorers
dp
,
greedy
,
sortings
1200
x24831
1272C
Yet Another Broken Keyboard
combinatorics
,
dp
,
implementation
1200
x25013
1472D
Even-Odd Game
dp
,
games
,
greedy
,
sortings
1200
x26004
1097B
Petr and a Combination Lock
bitmasks
,
brute force
,
dp
1200
x26498
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x29071
433B
Kuriyama Mirai's Stones
dp
,
implementation
,
sortings
1200
x36184
1343C
Alternating Subsequence
dp
,
greedy
,
two pointers
1200
x36241
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x39877
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x46353
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