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Name
1420C1
Pokémon Army (easy version)
constructive algorithms
,
dp
,
greedy
1300
x17041
1466C
Canine poetry
dp
,
greedy
,
strings
1300
x17330
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18313
1618D
Array and Operations
dp
,
greedy
,
math
1300
x18330
1037C
Equalize
dp
,
greedy
,
strings
1300
x18344
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x18448
1660C
Get an Even String
dp
,
greedy
,
strings
1300
x18812
1555C
Coin Rows
brute force
,
constructive algorithms
,
dp
,
implementation
1300
x20933
1285B
Just Eat It!
dp
,
greedy
,
implementation
1300
x21111
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21317
1360E
Polygon
dp
,
graphs
,
implementation
,
shortest paths
1300
x24466
476B
Dreamoon and WiFi
bitmasks
,
brute force
,
combinatorics
,
dp
,
math
,
probabilities
1300
x29130
189A
Cut Ribbon
brute force
,
dp
1300
x62951
1769C1
Подкрутка I
*special problem
,
brute force
,
dp
,
greedy
1200
x932
729B
Spotlights
dp
,
implementation
1200
x7746
1140D
Minimum Triangulation
dp
,
greedy
,
math
1200
x12378
998B
Cutting
dp
,
greedy
,
sortings
1200
x12775
1245B
Restricted RPS
constructive algorithms
,
dp
,
greedy
1200
x13450
1200B
Block Adventure
dp
,
greedy
1200
x13743
1042B
Vitamins
bitmasks
,
brute force
,
dp
,
implementation
1200
x15250
522A
Reposts
*special problem
,
dfs and similar
,
dp
,
graphs
,
trees
1200
x15739
1859C
Another Permutation Problem
brute force
,
dp
,
greedy
,
math
1200
x16362
1029B
Creating the Contest
dp
,
greedy
,
math
1200
x16425
1485B
Replace and Keep Sorted
dp
,
implementation
,
math
1200
x16697
1941D
Rudolf and the Ball Game
dfs and similar
,
dp
,
implementation
1200
x16726
1934B
Yet Another Coin Problem
brute force
,
dp
,
greedy
,
math
1200
x16799
1713C
Build Permutation
constructive algorithms
,
dp
,
math
1200
x16853
1843D
Apple Tree
combinatorics
,
dfs and similar
,
dp
,
math
,
trees
1200
x17089
1553C
Penalty
bitmasks
,
brute force
,
dp
,
greedy
1200
x17345
1846C
Rudolf and the Another Competition
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
1200
x18001
1914D
Three Activities
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x18357
961B
Lecture Sleep
data structures
,
dp
,
implementation
,
two pointers
1200
x19316
1598C
Delete Two Elements
data structures
,
dp
,
implementation
,
math
,
two pointers
1200
x20103
1406B
Maximum Product
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x22076
1926C
Vlad and a Sum of Sum of Digits
dp
,
implementation
1200
x23425
1355B
Young Explorers
dp
,
greedy
,
sortings
1200
x24907
1272C
Yet Another Broken Keyboard
combinatorics
,
dp
,
implementation
1200
x25214
1472D
Even-Odd Game
dp
,
games
,
greedy
,
sortings
1200
x26129
1097B
Petr and a Combination Lock
bitmasks
,
brute force
,
dp
1200
x26742
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x29212
1343C
Alternating Subsequence
dp
,
greedy
,
two pointers
1200
x36455
433B
Kuriyama Mirai's Stones
dp
,
implementation
,
sortings
1200
x36530
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x40104
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x46731
1958A
1-3-5
*special problem
,
dp
1100
x979
331C1
The Great Julya Calendar
dp
1100
x5936
522B
Photo to Remember
*special problem
,
data structures
,
dp
,
implementation
1100
x8693
1904B
Collecting Game
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1100
x12965
1637B
MEX and Array
brute force
,
dp
,
greedy
,
math
1100
x14620
1706B
Making Towers
dp
,
greedy
,
math
1100
x16236
1923B
Monsters Attack!
dp
,
greedy
,
implementation
1100
x16276
1807G2
Subsequence Addition (Hard Version)
bitmasks
,
dp
,
greedy
,
implementation
,
sortings
1100
x17778
1807G1
Subsequence Addition (Easy Version)
brute force
,
data structures
,
dp
,
greedy
,
implementation
,
sortings
1100
x17903
1478B
Nezzar and Lucky Number
brute force
,
dp
,
greedy
,
math
1100
x18058
1946B
Maximum Sum
dp
,
greedy
,
math
1100
x18108
1899C
Yarik and Array
dp
,
greedy
,
two pointers
1100
x18271
1743C
Save the Magazines
constructive algorithms
,
dp
,
greedy
1100
x18675
1971D
Binary Cut
dp
,
greedy
,
implementation
,
sortings
,
strings
1100
x19180
1631B
Fun with Even Subarrays
dp
,
greedy
1100
x19371
1917B
Erase First or Second Letter
brute force
,
combinatorics
,
data structures
,
dp
,
strings
1100
x19543
1950D
Product of Binary Decimals
brute force
,
dp
,
implementation
,
number theory
1100
x20546
1948B
Array Fix
brute force
,
dp
,
greedy
,
implementation
1100
x20609
651A
Joysticks
dp
,
greedy
,
implementation
,
math
1100
x22523
1382B
Sequential Nim
dp
,
games
1100
x23933
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25516
1791E
Negatives and Positives
dp
,
greedy
,
sortings
1100
x25770
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x26960
1472C
Long Jumps
dp
,
graphs
1100
x30131
368B
Sereja and Suffixes
data structures
,
dp
1100
x39625
313B
Ilya and Queries
dp
,
implementation
1100
x41638
363B
Fence
brute force
,
dp
1100
x49387
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58663
72G
Fibonacci army
*special problem
,
dp
1000
x2054
753A
Santa Claus and Candies
dp
,
greedy
,
math
1000
x8779
1566C
MAX-MEX Cut
bitmasks
,
constructive algorithms
,
dp
,
greedy
1000
x17045
1861B
Two Binary Strings
constructive algorithms
,
dp
,
greedy
1000
x20187
1499B
Binary Removals
brute force
,
dp
,
greedy
,
implementation
1000
x20300
1883C
Raspberries
dp
,
math
1000
x22916
732B
Cormen --- The Best Friend Of a Man
dp
,
greedy
1000
x24109
1829D
Gold Rush
brute force
,
dfs and similar
,
dp
,
implementation
1000
x24353
1469B
Red and Blue
dp
,
greedy
1000
x26129
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x26625
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x27105
1182A
Filling Shapes
dp
,
math
1000
x29474
1732B
Ugu
brute force
,
dp
,
greedy
,
implementation
900
x14046
1900B
Laura and Operations
dp
,
math
900
x16087
1113A
Sasha and His Trip
dp
,
greedy
,
math
900
x16999
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18487
1451B
Non-Substring Subsequence
dp
,
greedy
,
implementation
,
strings
900
x19012
1709B
Also Try Minecraft
data structures
,
dp
,
implementation
900
x21899
1559B
Mocha and Red and Blue
dp
,
greedy
900
x22016
1593B
Make it Divisible by 25
dfs and similar
,
dp
,
greedy
,
math
,
math
900
x25312
1206B
Make Product Equal One
dp
,
implementation
900
x26102
1941C
Rudolf and the Ugly String
dp
,
greedy
,
strings
900
x29910
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x31147
1475B
New Year's Number
brute force
,
dp
,
math
900
x46604
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84268
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x11404
1686B
Odd Subarrays
dp
,
greedy
800
x17933
1566B
MIN-MEX Cut
bitmasks
,
constructive algorithms
,
dp
,
greedy
800
x19123
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Codeforces Round 946 (Div. 3)
16:11:22
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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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