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33 problems · filtered by 3 tags
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✎
Rating
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2171F
Rae Taylor and Trees (hard version)
binary search
constructive algorithms
data structures
dp
dsu
greedy
implementation
trees
+
1600
7.6k
2091G
Gleb and Boating
brute force
constructive algorithms
data structures
dp
graphs
greedy
math
number theory
shortest paths
+
2300
1.6k
2077E
Another Folding Strip
combinatorics
constructive algorithms
data structures
divide and conquer
dp
greedy
math
+
2700
627
2071C
Trapmigiano Reggiano
constructive algorithms
data structures
dfs and similar
dp
greedy
sortings
trees
+
1700
9.9k
2071D2
Infinite Sequence (Hard Version)
bitmasks
brute force
constructive algorithms
data structures
dp
implementation
math
+
2500
1.1k
2066B
White Magic
constructive algorithms
data structures
dp
greedy
implementation
+
1900
5.6k
2044H
Hard Demon Problem
constructive algorithms
data structures
dp
implementation
math
+
2100
2.7k
2028D
Alice's Adventures in Cards
constructive algorithms
data structures
dp
graphs
greedy
implementation
ternary search
+
2000
3.8k
1935C
Messenger in MAC
binary search
brute force
constructive algorithms
data structures
dp
greedy
sortings
+
1800
9.9k
1876E
Ball-Stackable
constructive algorithms
data structures
dp
trees
+
3300
373
1864D
Matrix Cascade
brute force
constructive algorithms
data structures
dp
greedy
math
+
1700
7.7k
1846C
Rudolf and the Another Competition
constructive algorithms
data structures
dp
greedy
sortings
+
1200
21.8k
1779D
Boris and His Amazing Haircut
constructive algorithms
data structures
dp
dsu
greedy
sortings
+
1700
9.2k
1774G
Segment Covering
brute force
combinatorics
constructive algorithms
data structures
dp
trees
+
3200
692
1750H
BinaryStringForces
constructive algorithms
data structures
dp
+
3500
126
1743G
Antifibonacci Cut
bitmasks
combinatorics
constructive algorithms
data structures
dp
hashing
math
+
3000
381
1740E
Hanging Hearts
constructive algorithms
data structures
dfs and similar
dp
greedy
trees
+
1800
5.1k
1706D2
Chopping Carrots (Hard Version)
brute force
constructive algorithms
data structures
dp
greedy
math
number theory
two pointers
+
2400
2k
1619E
MEX and Increments
constructive algorithms
data structures
dp
greedy
implementation
math
sortings
+
1700
10.3k
1593G
Changing Brackets
constructive algorithms
data structures
dp
greedy
+
2200
1.9k
1539E
Game with Cards
binary search
constructive algorithms
data structures
dp
greedy
implementation
+
2500
1.1k
1521D
Nastia Plays with a Tree
constructive algorithms
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2500
2.4k
1495F
Squares
constructive algorithms
data structures
dp
graphs
trees
+
3300
533
1479B1
Painting the Array I
constructive algorithms
data structures
dp
greedy
implementation
+
1900
7.5k
1479B2
Painting the Array II
constructive algorithms
data structures
dp
greedy
implementation
+
2100
4.5k
1437E
Make It Increasing
binary search
constructive algorithms
data structures
dp
implementation
+
2200
4k
1285E
Delete a Segment
brute force
constructive algorithms
data structures
dp
graphs
sortings
trees
two pointers
+
2300
2k
1107G
Vasya and Maximum Profit
binary search
constructive algorithms
data structures
dp
dsu
+
2400
1.3k
840B
Leha and another game about graph
constructive algorithms
data structures
dfs and similar
dp
graphs
+
2100
2.9k
796C
Bank Hacking
constructive algorithms
data structures
dp
trees
+
1900
3.2k
766E
Mahmoud and a xor trip
bitmasks
constructive algorithms
data structures
dfs and similar
dp
math
trees
+
2100
3.6k
424D
Biathlon Track
binary search
brute force
constructive algorithms
data structures
dp
+
2300
639
5C
Longest Regular Bracket Sequence
constructive algorithms
data structures
dp
greedy
sortings
strings
+
1900
18.8k
showing 1–33 of 33