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48 problems · filtered by 3 tags
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2211E
Minimum Path Cover
brute force
dp
greedy
interactive
math
number theory
trees
+
2500
1k
2194C
Secret message
bitmasks
brute force
dp
math
number theory
+
1300
11.6k
2118D1
Red Light, Green Light (Easy version)
brute force
dfs and similar
dp
graphs
implementation
number theory
+
1700
8.6k
2118D2
Red Light, Green Light (Hard version)
binary search
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2200
2.6k
2114F
Small Operations
binary search
brute force
dfs and similar
dp
math
number theory
sortings
+
2000
5.6k
2114G
Build an Array
brute force
constructive algorithms
dp
greedy
math
number theory
+
2200
2.1k
2091G
Gleb and Boating
brute force
constructive algorithms
data structures
dp
graphs
greedy
math
number theory
shortest paths
+
2300
1.6k
2038K
Grid Walk
brute force
dp
greedy
math
number theory
+
2100
1.8k
2034H
Rayan vs. Rayaneh
brute force
dfs and similar
dp
number theory
+
3300
199
2013E
Prefix GCD
brute force
dp
greedy
math
number theory
+
2200
4.4k
2002F1
Court Blue (Easy Version)
brute force
dfs and similar
dp
math
number theory
+
2600
1k
2002F2
Court Blue (Hard Version)
brute force
dp
math
number theory
+
2800
597
1992F
Valuable Cards
brute force
dp
greedy
number theory
two pointers
+
1900
7.7k
1977C
Nikita and LCM
brute force
data structures
dp
greedy
math
number theory
sortings
+
1900
8.2k
1973F
Maximum GCD Sum Queries
bitmasks
brute force
dp
implementation
number theory
+
3100
345
1957E
Carousel of Combinations
brute force
combinatorics
dp
math
number theory
+
2400
1.7k
1955G
GCD on a grid
brute force
dfs and similar
dp
implementation
math
number theory
+
1900
6.1k
1950D
Product of Binary Decimals
brute force
dp
implementation
number theory
+
1100
26.7k
1928E
Modular Sequence
brute force
constructive algorithms
dp
graphs
greedy
math
number theory
+
2300
2.3k
1900D
Small GCD
bitmasks
brute force
dp
math
number theory
+
2000
5.6k
1896H1
Cyclic Hamming (Easy Version)
brute force
divide and conquer
dp
fft
math
number theory
+
3400
181
1896H2
Cyclic Hamming (Hard Version)
brute force
dp
fft
math
number theory
+
3500
164
1858B
The Walkway
brute force
dp
greedy
math
number theory
+
1500
13.2k
1792E
Divisors and Table
brute force
dfs and similar
dp
number theory
+
2400
1.6k
1789E
Serval and Music Game
brute force
dp
implementation
math
number theory
+
2500
1k
1780F
Three Chairs
bitmasks
brute force
combinatorics
data structures
dp
number theory
sortings
+
2300
2k
1706D2
Chopping Carrots (Hard Version)
brute force
constructive algorithms
data structures
dp
greedy
math
number theory
two pointers
+
2400
2k
1673C
Palindrome Basis
brute force
dp
math
number theory
+
1500
18.9k
1646E
Power Board
brute force
dp
math
number theory
+
2200
2.8k
1627D
Not Adding
brute force
dp
math
number theory
+
1900
9.5k
1561D1
Up the Strip (simplified version)
brute force
data structures
dp
math
number theory
+
1700
6.2k
1558B
Up the Strip
brute force
dp
math
number theory
two pointers
+
1900
5.3k
1512G
Short Task
brute force
dp
math
number theory
+
1700
9.6k
1367E
Necklace Assembly
brute force
dfs and similar
dp
graphs
greedy
number theory
+
1900
5.9k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
1025D
Recovering BST
brute force
dp
math
number theory
trees
+
2100
4.3k
979D
Kuro and GCD and XOR and SUM
binary search
bitmasks
brute force
data structures
dp
dsu
greedy
math
number theory
strings
trees
+
2200
2.3k
919B
Perfect Number
binary search
brute force
dp
implementation
number theory
+
1100
32k
891A
Pride
brute force
dp
greedy
math
number theory
+
1500
15k
822D
My pretty girl Noora
brute force
dp
greedy
math
number theory
+
1800
3.3k
765G
Math, math everywhere
brute force
dp
math
meet-in-the-middle
number theory
+
3200
119
757E
Bash Plays with Functions
brute force
combinatorics
dp
number theory
+
2500
1.6k
691F
Couple Cover
brute force
dp
number theory
+
2200
1.5k
552C
Vanya and Scales
brute force
dp
greedy
math
meet-in-the-middle
number theory
+
1900
5.9k
401D
Roman and Numbers
bitmasks
brute force
combinatorics
dp
number theory
+
2000
4.7k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
354C
Vasya and Beautiful Arrays
brute force
dp
number theory
+
2100
3.4k
27E
Number With The Given Amount Of Divisors
brute force
dp
number theory
+
2000
5k
showing 1–48 of 48