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30 problems · filtered by 3 tags
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Name
✎
Rating
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2207C
Where's My Water?
data structures
divide and conquer
dp
math
+
1600
6.4k
2173F
Isla's Memory Thresholds
binary search
brute force
data structures
divide and conquer
math
+
2600
623
2121G
Gangsta
data structures
divide and conquer
math
sortings
+
1900
5.5k
2077E
Another Folding Strip
combinatorics
constructive algorithms
data structures
divide and conquer
dp
greedy
math
+
2700
627
2070E
Game with Binary String
constructive algorithms
data structures
divide and conquer
games
greedy
math
+
2200
1.9k
2065H
Bro Thinks He's Him
combinatorics
data structures
divide and conquer
dp
math
matrices
+
2200
2k
2050F
Maximum modulo equality
data structures
divide and conquer
math
number theory
+
1700
11.3k
2048F
Kevin and Math Class
brute force
data structures
divide and conquer
dp
implementation
math
trees
+
2500
1.3k
2035D
Yet Another Real Number Problem
binary search
data structures
divide and conquer
greedy
implementation
math
+
1800
5.9k
2018E1
Complex Segments (Easy Version)
binary search
data structures
divide and conquer
dsu
greedy
math
sortings
+
3300
246
2018E2
Complex Segments (Hard Version)
binary search
data structures
divide and conquer
dsu
greedy
math
sortings
+
3400
210
2006C
Eri and Expanded Sets
data structures
divide and conquer
math
number theory
two pointers
+
2300
2.1k
2003E2
Turtle and Inversions (Hard Version)
brute force
data structures
divide and conquer
dp
greedy
math
two pointers
+
2700
654
1983D
Swap Dilemma
constructive algorithms
data structures
divide and conquer
greedy
math
sortings
+
1700
11.5k
1902F
Trees and XOR Queries Again
data structures
dfs and similar
divide and conquer
graphs
implementation
math
trees
+
2400
1.5k
1896D
Ones and Twos
binary search
data structures
divide and conquer
math
two pointers
+
1700
7.1k
1887D
Split
binary search
data structures
divide and conquer
dsu
math
trees
two pointers
+
2700
1.3k
1843F2
Omsk Metro (hard version)
data structures
dfs and similar
divide and conquer
dp
math
trees
+
2300
2.2k
1748E
Yet Another Array Counting Problem
binary search
data structures
divide and conquer
dp
flows
math
trees
+
2300
2.8k
1616H
Keep XOR Low
bitmasks
combinatorics
data structures
divide and conquer
dp
math
+
3000
1.4k
1567E
Non-Decreasing Dilemma
data structures
divide and conquer
math
+
2200
4.2k
1548B
Integers Have Friends
binary search
data structures
divide and conquer
math
number theory
two pointers
+
1800
11.6k
1548E
Gregor and the Two Painters
data structures
divide and conquer
graphs
greedy
math
+
3400
618
1416C
XOR Inverse
bitmasks
data structures
divide and conquer
dp
greedy
math
sortings
strings
trees
+
2000
5.2k
1175F
The Number of Subpermutations
brute force
data structures
divide and conquer
hashing
math
+
2500
2.8k
1114F
Please, another Queries on Array?
bitmasks
data structures
divide and conquer
math
number theory
+
2400
2.6k
1100F
Ivan and Burgers
data structures
divide and conquer
greedy
math
+
2500
3.9k
1041F
Ray in the tube
data structures
divide and conquer
dp
math
+
2500
1.7k
603E
Pastoral Oddities
data structures
divide and conquer
dsu
math
trees
+
3000
1.6k
68D
Half-decay tree
data structures
divide and conquer
dp
math
probabilities
+
2500
540
showing 1–30 of 30