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220 problems · filtered by 3 tags
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Name
✎
Rating
↕
Solved
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2244E
Masha and the Garland
data structures
dp
greedy
implementation
math
number theory
strings
+
unrated
7.6k
2242B
Predominant Frequency Division
data structures
greedy
implementation
math
+
1000
16.1k
2242E
Product of Closures
bitmasks
brute force
constructive algorithms
greedy
implementation
math
number theory
+
2200
1.4k
2241G
Summmon
binary search
data structures
greedy
implementation
math
number theory
+
2400
831
2230B
Digit String
greedy
implementation
math
+
1000
17k
2230E
Minimum Influence
binary search
data structures
greedy
implementation
math
sortings
two pointers
+
2100
1.5k
2217D
Flip the Bit (Hard Version)
greedy
implementation
math
+
1900
3.8k
2208B
Cyclists
brute force
games
greedy
implementation
math
sortings
+
1100
15k
2194B
Offshores
greedy
implementation
math
+
1000
19.9k
2178D
Xmas or Hysteria
constructive algorithms
greedy
implementation
math
+
1700
7k
2176A
Operations with Inversions
greedy
implementation
math
+
800
29.8k
2170A
Maximum Neighborhood
bitmasks
brute force
greedy
implementation
math
+
800
20.6k
2169D2
Removal of a Sequence (Hard Version)
binary search
divide and conquer
greedy
implementation
math
number theory
+
2100
2.4k
2163B
Siga ta Kymata
constructive algorithms
greedy
implementation
math
+
1700
9.5k
2161A
Round Trip
games
greedy
implementation
math
+
800
16k
2157C
Meximum Array 2
constructive algorithms
greedy
implementation
math
+
1400
10.9k
2154C1
No Cost Too Great (Easy Version)
greedy
implementation
math
number theory
+
1400
14.2k
2151C
Incremental Stay
greedy
implementation
math
+
1400
11k
2137C
Maximum Even Sum
brute force
greedy
implementation
math
+
1100
23.7k
2114D
Come a Little Closer
brute force
greedy
implementation
math
+
1400
15k
2111A
Energy Crystals
greedy
implementation
math
+
800
20.9k
2108B
SUMdamental Decomposition
bitmasks
constructive algorithms
greedy
implementation
math
+
1300
14.9k
2103A
Common Multiple
brute force
greedy
implementation
math
+
800
25.2k
2078B
Vicious Labyrinth
constructive algorithms
graphs
greedy
implementation
math
+
1100
18.6k
2077D
Maximum Polygon
brute force
data structures
greedy
implementation
math
+
3100
393
2074F
Counting Necessary Nodes
bitmasks
divide and conquer
greedy
implementation
math
+
2000
2.5k
2072A
New World, New Me, New Array
greedy
implementation
math
+
800
41.2k
2063D
Game With Triangles
binary search
brute force
data structures
geometry
greedy
implementation
math
ternary search
two pointers
+
2000
5.2k
2057D
Gifts Order
data structures
greedy
implementation
math
matrices
+
2000
5.5k
2055D
Scarecrow
greedy
implementation
math
+
2000
4.4k
2053F
Earnest Matrix Complement
brute force
data structures
dp
greedy
implementation
math
+
2600
963
2051F
Joker
brute force
greedy
implementation
math
+
2000
4.1k
2048A
Kevin and Combination Lock
brute force
greedy
implementation
math
number theory
+
800
23k
2044E
Insane Problem
binary search
greedy
implementation
math
number theory
+
1300
18.6k
2035D
Yet Another Real Number Problem
binary search
data structures
divide and conquer
greedy
implementation
math
+
1800
5.9k
2035E
Monster
binary search
brute force
constructive algorithms
greedy
implementation
math
ternary search
+
2300
2k
2032A
Circuit
greedy
implementation
math
number theory
+
800
24.9k
2032B
Medians
constructive algorithms
greedy
implementation
math
+
1100
21.1k
2032E
Balanced
constructive algorithms
data structures
greedy
implementation
math
+
2400
1.4k
2031E
Penchick and Chloe's Trees
data structures
dfs and similar
dp
greedy
implementation
math
sortings
trees
+
2100
2.8k
2030E
MEXimize the Score
combinatorics
data structures
dp
greedy
implementation
math
+
2200
2k
2022A
Bus to Pénjamo
constructive algorithms
greedy
implementation
math
+
800
17.4k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
2018A
Cards Partition
2-sat
brute force
greedy
implementation
math
+
1600
12.9k
2006D
Iris and Adjacent Products
data structures
greedy
implementation
math
+
2600
997
2003D2
Turtle and a MEX Problem (Hard Version)
dfs and similar
dp
graphs
greedy
implementation
math
+
2100
4.7k
2000F
Color Rows and Columns
dp
greedy
implementation
math
+
1900
7.1k
1995A
Diagonals
brute force
greedy
implementation
math
+
800
26.6k
1995C
Squaring
brute force
constructive algorithms
greedy
implementation
math
number theory
+
1800
10.4k
1991F
Triangle Formation
brute force
greedy
implementation
math
sortings
+
2200
2.8k
1988A
Split the Multiset
brute force
greedy
implementation
math
+
900
27.3k
1986D
Mathematical Problem
brute force
dp
greedy
implementation
math
two pointers
+
1400
18.2k
1983B
Corner Twist
constructive algorithms
greedy
implementation
math
+
1200
18.6k
1982A
Soccer
greedy
implementation
math
sortings
+
800
27.7k
1981C
Turtle and an Incomplete Sequence
bitmasks
brute force
constructive algorithms
greedy
implementation
math
+
1800
6.4k
1980D
GCD-sequence
greedy
implementation
math
number theory
+
1400
17.7k
1980E
Permutation of Rows and Columns
constructive algorithms
data structures
greedy
hashing
implementation
math
matrices
sortings
+
1600
13.3k
1978C
Manhattan Permutations
constructive algorithms
data structures
greedy
implementation
math
+
1300
18k
1978D
Elections
data structures
greedy
implementation
math
+
1600
13.9k
1973C
Cat, Fox and Double Maximum
constructive algorithms
greedy
implementation
math
sortings
+
1700
10k
1967A
Permutation Counting
binary search
greedy
implementation
math
sortings
+
1400
15.2k
1956D
Nene and the Mex Operator
bitmasks
brute force
constructive algorithms
divide and conquer
dp
greedy
implementation
math
+
2000
4.9k
1956E2
Nene vs. Monsters (Hard Version)
brute force
greedy
implementation
math
+
2700
1.1k
1955C
Inhabitant of the Deep Sea
greedy
implementation
math
+
1300
25k
1954E
Chain Reaction
binary search
data structures
dsu
greedy
implementation
math
number theory
+
2200
3k
1951E
No Palindromes
brute force
constructive algorithms
divide and conquer
greedy
hashing
implementation
math
strings
+
2000
4.6k
1922C
Closest Cities
greedy
implementation
math
+
1300
22.4k
1918A
Brick Wall
constructive algorithms
greedy
implementation
math
+
800
32.6k
1918C
XOR-distance
bitmasks
greedy
implementation
math
+
1400
17.1k
1917C
Watering an Array
brute force
greedy
implementation
math
+
1600
12.6k
1916C
Training Before the Olympiad
constructive algorithms
games
greedy
implementation
math
+
1200
20.1k
1901D
Yet Another Monster Fight
binary search
dp
greedy
implementation
math
+
1700
8.8k
1896F
Bracket Xoring
constructive algorithms
greedy
implementation
math
+
2600
1k
1891E
Brukhovich and Exams
brute force
greedy
implementation
math
sortings
+
2500
1.1k
1884E
Hard Design
greedy
implementation
math
+
2800
440
1868B1
Candy Party (Easy Version)
bitmasks
constructive algorithms
graphs
greedy
implementation
math
+
1700
8.4k
1868B2
Candy Party (Hard Version)
bitmasks
constructive algorithms
dp
greedy
implementation
math
+
2100
2.8k
1864A
Increasing and Decreasing
constructive algorithms
greedy
implementation
math
+
800
21.5k
1857B
Maximum Rounding
greedy
implementation
math
+
1100
24.9k
1856E2
PermuTree (hard version)
bitmasks
dfs and similar
dp
fft
greedy
implementation
math
trees
+
2700
1.8k
1848B
Vika and the Bridge
binary search
data structures
greedy
implementation
math
sortings
+
1200
26.1k
1844C
Particles
dp
greedy
implementation
math
+
1300
18.1k
1839A
The Good Array
greedy
implementation
math
+
800
18.4k
1832D1
Red-Blue Operations (Easy Version)
binary search
greedy
implementation
math
+
2100
3.5k
1832D2
Red-Blue Operations (Hard Version)
binary search
constructive algorithms
greedy
implementation
math
+
2400
2.4k
1802B
Settlement of Guinea Pigs
greedy
implementation
math
+
1000
14.8k
1799A
Recent Actions
data structures
greedy
implementation
math
+
800
12.4k
1799E
City Union
constructive algorithms
dfs and similar
dsu
geometry
greedy
implementation
math
+
2300
1.4k
1793D
Moscow Gorillas
binary search
dp
greedy
implementation
math
two pointers
+
1800
7.2k
1788B
Sum of Two Numbers
constructive algorithms
greedy
implementation
math
probabilities
+
1100
22.6k
1772G
Gaining Rating
binary search
greedy
implementation
math
sortings
two pointers
+
2200
1.6k
1746C
Permutation Operations
constructive algorithms
greedy
implementation
math
+
1300
14.2k
1730B
Meeting on the Line
binary search
geometry
greedy
implementation
math
ternary search
+
1600
18k
1720E
Misha and Paintings
constructive algorithms
data structures
greedy
implementation
math
+
2700
1k
1718B
Fibonacci Strings
greedy
implementation
math
number theory
+
2000
3.5k
1710B
Rain
binary search
brute force
data structures
geometry
greedy
implementation
math
+
2100
2.8k
1709A
Three Doors
brute force
greedy
implementation
math
+
800
31.8k
1697E
Coloring
brute force
combinatorics
constructive algorithms
dp
geometry
graphs
greedy
implementation
math
+
2400
1.5k
1696C
Fishingprince Plays With Array
constructive algorithms
greedy
implementation
math
+
1400
12.7k
1696H
Maximum Product?
brute force
combinatorics
dp
greedy
implementation
math
two pointers
+
3500
215
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