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54 problems · filtered by 4 tags
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✎
Rating
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2242E
Product of Closures
bitmasks
brute force
constructive algorithms
greedy
implementation
math
number theory
+
2200
1.4k
2231F
Quadratic Jumps
brute force
constructive algorithms
greedy
math
number theory
+
2600
787
2157G
Isaac's Queries
bitmasks
brute force
constructive algorithms
dfs and similar
divide and conquer
dp
greedy
interactive
math
probabilities
+
2800
672
2131H
Sea, You & copriMe
brute force
constructive algorithms
graphs
greedy
math
number theory
+
2600
909
2114G
Build an Array
brute force
constructive algorithms
dp
greedy
math
number theory
+
2200
2.1k
2111F
Puzzle
brute force
constructive algorithms
greedy
math
+
2400
1.5k
2104C
Card Game
brute force
constructive algorithms
games
greedy
math
+
1100
17.8k
2092F
Andryusha and CCB
brute force
constructive algorithms
greedy
math
number theory
strings
+
2900
438
2091G
Gleb and Boating
brute force
constructive algorithms
data structures
dp
graphs
greedy
math
number theory
shortest paths
+
2300
1.6k
2086E
Zebra-like Numbers
bitmasks
brute force
constructive algorithms
dfs and similar
dp
greedy
math
+
2400
1.7k
2084D
Arcology On Permafrost
binary search
brute force
constructive algorithms
greedy
math
+
1600
9.1k
2072E
Do You Love Your Hero and His Two-Hit Multi-Target Attacks?
binary search
brute force
constructive algorithms
dp
geometry
greedy
math
+
1500
12.6k
2071B
Perfecto
brute force
constructive algorithms
greedy
math
+
1100
21.3k
2059B
Cost of the Array
brute force
constructive algorithms
greedy
math
+
1300
19.1k
2059C
Customer Service
brute force
constructive algorithms
graph matchings
greedy
math
sortings
+
1600
12.8k
2055C
The Trail
brute force
constructive algorithms
greedy
math
two pointers
+
1400
17.6k
2035E
Monster
binary search
brute force
constructive algorithms
greedy
implementation
math
ternary search
+
2300
2k
2008A
Sakurako's Exam
brute force
constructive algorithms
greedy
math
+
800
42.3k
1995C
Squaring
brute force
constructive algorithms
greedy
implementation
math
number theory
+
1800
10.4k
1992A
Only Pluses
brute force
constructive algorithms
greedy
math
sortings
+
800
50.1k
1981C
Turtle and an Incomplete Sequence
bitmasks
brute force
constructive algorithms
greedy
implementation
math
+
1800
6.4k
1956D
Nene and the Mex Operator
bitmasks
brute force
constructive algorithms
divide and conquer
dp
greedy
implementation
math
+
2000
4.9k
1951E
No Palindromes
brute force
constructive algorithms
divide and conquer
greedy
hashing
implementation
math
strings
+
2000
4.6k
1929C
Sasha and the Casino
binary search
brute force
constructive algorithms
games
greedy
math
+
1400
17.5k
1928E
Modular Sequence
brute force
constructive algorithms
dp
graphs
greedy
math
number theory
+
2300
2.3k
1902C
Insert and Equalize
brute force
constructive algorithms
greedy
math
number theory
+
1300
17.5k
1864D
Matrix Cascade
brute force
constructive algorithms
data structures
dp
greedy
math
+
1700
7.7k
1854E
Game Bundles
brute force
constructive algorithms
dp
greedy
math
+
3000
575
1844F1
Min Cost Permutation (Easy Version)
brute force
constructive algorithms
greedy
math
+
2600
937
1799B
Equalize by Divide
brute force
constructive algorithms
greedy
math
+
1200
12.9k
1710C
XOR Triangle
bitmasks
brute force
constructive algorithms
dp
greedy
math
+
2500
1.7k
1706D2
Chopping Carrots (Hard Version)
brute force
constructive algorithms
data structures
dp
greedy
math
number theory
two pointers
+
2400
2k
1697E
Coloring
brute force
combinatorics
constructive algorithms
dp
geometry
graphs
greedy
implementation
math
+
2400
1.5k
1691C
Sum of Substrings
brute force
constructive algorithms
greedy
math
strings
+
1400
17.4k
1674E
Breaking the Wall
binary search
brute force
constructive algorithms
greedy
math
+
2000
7.8k
1658F
Juju and Binary String
brute force
constructive algorithms
greedy
math
+
2700
1k
1651E
Sum of Matchings
brute force
combinatorics
constructive algorithms
dfs and similar
graph matchings
greedy
math
+
2600
669
1619F
Let's Play the Hat?
brute force
constructive algorithms
greedy
math
+
2000
2.4k
1487C
Minimum Ties
brute force
constructive algorithms
dfs and similar
graphs
greedy
implementation
math
+
1500
15.6k
1455E
Four Points
brute force
constructive algorithms
flows
geometry
greedy
implementation
math
ternary search
+
2400
1.7k
1453D
Checkpoints
brute force
constructive algorithms
greedy
math
probabilities
+
1900
4.5k
1437A
Marketing Scheme
brute force
constructive algorithms
greedy
math
+
800
18.5k
1426E
Rock, Paper, Scissors
brute force
constructive algorithms
flows
greedy
math
+
1800
8.2k
1421D
Hexagons
brute force
constructive algorithms
greedy
implementation
math
shortest paths
+
1900
4.4k
1419B
Stairs
brute force
constructive algorithms
greedy
implementation
math
+
1200
17.1k
1368B
Codeforces Subsequences
brute force
constructive algorithms
greedy
math
strings
+
1500
21.7k
1334C
Circle of Monsters
brute force
constructive algorithms
greedy
math
+
1600
18.1k
1332B
Composite Coloring
brute force
constructive algorithms
greedy
math
number theory
+
1400
19.3k
1276C
Beautiful Rectangle
brute force
combinatorics
constructive algorithms
data structures
greedy
math
+
2300
1.8k
1250B
The Feast and the Bus
brute force
constructive algorithms
greedy
math
+
1800
2.8k
1098B
Nice table
brute force
constructive algorithms
greedy
math
+
2100
1.8k
1009D
Relatively Prime Graph
brute force
constructive algorithms
graphs
greedy
math
+
1700
6.7k
670A
Holidays
brute force
constructive algorithms
greedy
math
+
900
18.8k
214B
Hometask
brute force
constructive algorithms
greedy
math
+
1600
5.4k
showing 1–54 of 54