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139 problems · filtered by 1 tag
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Name
✎
Rating
↕
Solved
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632F
Magic Matrix
brute force
divide and conquer
graphs
matrices
trees
+
2400
1.3k
621E
Wet Shark and Blocks
dp
matrices
+
2000
3.4k
618G
Combining Slimes
dp
math
matrices
probabilities
+
3300
273
593E
Strange Calculation and Cats
dp
matrices
+
2400
725
582B
Once Again...
constructive algorithms
dp
matrices
+
1900
3.7k
578F
Mirror Box
matrices
trees
+
3200
662
576D
Flights for Regular Customers
dp
matrices
+
2700
1.7k
575A
Fibonotci
data structures
math
matrices
+
2700
893
551D
GukiZ and Binary Operations
combinatorics
implementation
math
matrices
number theory
+
2100
2.1k
514E
Darth Vader and Tree
dp
matrices
+
2200
1.8k
506E
Mr. Kitayuta's Gift
combinatorics
dp
matrices
strings
+
3000
1k
498E
Stairs and Lines
dp
matrices
+
2700
615
497E
Subsequences Return
dp
matrices
+
2900
338
485A
Factory
implementation
math
matrices
+
1400
8.8k
472F
Design Tutorial: Change the Goal
constructive algorithms
math
matrices
+
2700
318
453D
Little Pony and Elements of Harmony
dp
matrices
+
3000
674
446D
DZY Loves Games
math
matrices
probabilities
+
2800
503
446E
DZY Loves Bridges
math
matrices
+
3100
205
392C
Yet Another Number Sequence
combinatorics
math
matrices
+
unrated
687
385E
Bear in the Field
math
matrices
+
2300
690
351C
Jeff and Brackets
dp
matrices
+
2500
660
348D
Turtles
dp
matrices
+
2500
2.3k
337C
Quiz
binary search
greedy
math
matrices
number theory
+
1600
5.3k
267C
Berland Traffic
math
matrices
+
2700
285
226C
Anniversary
data structures
implementation
math
matrices
number theory
+
2400
1k
225C
Barcode
dp
matrices
+
1700
10.3k
222E
Decoding Genome
dp
matrices
+
1900
3.7k
193C
Hamming Distance
constructive algorithms
greedy
math
matrices
+
2400
707
193E
Fibonacci Number
brute force
math
matrices
+
2900
424
177G2
Fibonacci Strings
matrices
strings
+
2600
267
167E
Wizards and Bets
dfs and similar
graphs
math
matrices
+
2900
727
166E
Tetrahedron
dp
math
matrices
+
1500
26.3k
147B
Smile House
binary search
graphs
matrices
+
2500
1k
113D
Museum
math
matrices
probabilities
+
2700
946
107D
Crime Management
dp
graphs
matrices
+
2400
519
93D
Flags
dp
math
matrices
+
2500
475
86E
Long sequence
brute force
math
matrices
+
2700
233
60E
Mushroom Gnomes
math
matrices
+
2600
520
51E
Pentagon
combinatorics
graphs
matrices
+
2400
479
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