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35 problems · filtered by 3 tags
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Name
✎
Rating
↕
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2232D
Magical Tiered Cake
constructive algorithms
dfs and similar
dp
greedy
+
2000
2.7k
2157G
Isaac's Queries
bitmasks
brute force
constructive algorithms
dfs and similar
divide and conquer
dp
greedy
interactive
math
probabilities
+
2800
672
2145D
Inversion Value of a Permutation
constructive algorithms
dfs and similar
dp
+
1800
7k
2133E
I Yearned For The Mines
constructive algorithms
dfs and similar
dp
greedy
trees
+
2500
1.8k
2115B
Gellyfish and Camellia Japonica
brute force
constructive algorithms
dfs and similar
dp
graphs
greedy
trees
+
2100
5k
2086E
Zebra-like Numbers
bitmasks
brute force
constructive algorithms
dfs and similar
dp
greedy
math
+
2400
1.7k
2071C
Trapmigiano Reggiano
constructive algorithms
data structures
dfs and similar
dp
greedy
sortings
trees
+
1700
9.9k
2025F
Choose Your Queries
constructive algorithms
dfs and similar
dp
graphs
greedy
trees
+
2700
1.1k
1948C
Arrow Path
brute force
constructive algorithms
dfs and similar
dp
graphs
shortest paths
+
1300
21.5k
1839E
Decreasing Game
constructive algorithms
dfs and similar
dp
greedy
interactive
+
2400
1.6k
1833G
Ksyusha and Chinchilla
constructive algorithms
dfs and similar
dp
dsu
greedy
implementation
trees
+
1800
6.5k
1740E
Hanging Hearts
constructive algorithms
data structures
dfs and similar
dp
greedy
trees
+
1800
5.1k
1695D1
Tree Queries (Easy Version)
brute force
constructive algorithms
dfs and similar
dp
greedy
trees
+
2200
2.5k
1695D2
Tree Queries (Hard Version)
constructive algorithms
dfs and similar
dp
greedy
trees
+
2300
2.3k
1667D
Edge Elimination
constructive algorithms
dfs and similar
dp
trees
+
2900
846
1646D
Weight the Tree
constructive algorithms
dfs and similar
dp
implementation
trees
+
2000
4.5k
1637F
Towers
constructive algorithms
dfs and similar
dp
greedy
trees
+
2500
2.2k
1594D
The Number of Imposters
constructive algorithms
dfs and similar
dp
dsu
graphs
+
1700
9.8k
1592C
Bakry and Partitioning
bitmasks
constructive algorithms
dfs and similar
dp
graphs
trees
+
1700
9.3k
1566E
Buds Re-hanging
constructive algorithms
dfs and similar
dp
greedy
trees
+
2000
4.5k
1560F2
Nearest Beautiful Number (hard version)
bitmasks
brute force
constructive algorithms
dfs and similar
dp
greedy
+
2100
5.1k
1552D
Array Differentiation
bitmasks
brute force
constructive algorithms
dfs and similar
dp
graphs
math
+
1800
8k
1521D
Nastia Plays with a Tree
constructive algorithms
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2500
2.4k
1442E
Black, White and Grey Tree
binary search
constructive algorithms
dfs and similar
dp
greedy
trees
+
3000
805
1407E
Egor in the Republic of Dagestan
constructive algorithms
dfs and similar
dp
graphs
greedy
shortest paths
+
2500
2k
1338D
Nested Rubber Bands
constructive algorithms
dfs and similar
dp
math
trees
+
2700
1.2k
1182D
Complete Mirror
constructive algorithms
dfs and similar
dp
hashing
implementation
trees
+
2400
1k
1056D
Decorate Apple Tree
constructive algorithms
dfs and similar
dp
graphs
greedy
sortings
trees
+
1600
6.8k
963B
Destruction of a Tree
constructive algorithms
dfs and similar
dp
greedy
trees
+
2000
3k
840B
Leha and another game about graph
constructive algorithms
data structures
dfs and similar
dp
graphs
+
2100
2.9k
796D
Police Stations
constructive algorithms
dfs and similar
dp
graphs
shortest paths
trees
+
2100
7.8k
793E
Problem of offices
constructive algorithms
dfs and similar
dp
trees
+
2900
327
766E
Mahmoud and a xor trip
bitmasks
constructive algorithms
data structures
dfs and similar
dp
math
trees
+
2100
3.6k
354E
Lucky Number Representation
constructive algorithms
dfs and similar
dp
+
2200
934
339C
Xenia and Weights
constructive algorithms
dfs and similar
dp
graphs
greedy
shortest paths
+
1700
8.8k
showing 1–35 of 35