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75 problems · filtered by 2 tags
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2236G
Criterion in Burlandia
binary search
bitmasks
brute force
data structures
dfs and similar
divide and conquer
implementation
trees
two pointers
+
2600
385
2229F
Load Unbalancing
binary search
bitmasks
dp
greedy
+
2400
1.1k
2222E
Seek the Truth
binary search
bitmasks
constructive algorithms
interactive
+
2000
2.3k
2219B2
Unique Values (Hard version)
binary search
bitmasks
constructive algorithms
interactive
+
2000
3.8k
2218E
The 67th XOR Problem
binary search
bitmasks
brute force
+
1200
17.1k
2203C
Test Generator
binary search
bitmasks
greedy
math
+
1500
7.9k
2196E1
Fuzzy Concatenation (Easy Version)
binary search
bitmasks
brute force
data structures
greedy
string suffix structures
+
2900
311
2196E2
Fuzzy Concatenation (Hard version)
binary search
bitmasks
data structures
dp
greedy
string suffix structures
+
3000
238
2156D
Find the Last Number
binary search
bitmasks
constructive algorithms
interactive
+
1900
5.5k
2147E
Maximum OR Popcount
binary search
bitmasks
brute force
data structures
greedy
+
2300
2.2k
2135C
By the Assignment
binary search
bitmasks
combinatorics
dfs and similar
dsu
graphs
math
+
2000
5.4k
2129C1
Interactive RBS (Easy Version)
binary search
bitmasks
constructive algorithms
interactive
+
1900
4.5k
2129C2
Interactive RBS (Medium Version)
binary search
bitmasks
constructive algorithms
interactive
+
2000
3.2k
2129C3
Interactive RBS (Hard Version)
binary search
bitmasks
constructive algorithms
dp
interactive
+
2300
1.9k
2127G2
Inter Active (Hard Version)
binary search
bitmasks
constructive algorithms
graphs
implementation
interactive
math
probabilities
+
3500
126
2111G
Divisible Subarrays
binary search
bitmasks
brute force
data structures
interactive
+
2900
422
2093G
Shorten the Array
binary search
bitmasks
data structures
dfs and similar
greedy
strings
trees
two pointers
+
1900
4k
2064D
Eating
binary search
bitmasks
brute force
data structures
dp
greedy
trees
two pointers
+
1900
6k
2049E
Broken Queries
binary search
bitmasks
brute force
constructive algorithms
implementation
interactive
+
2400
1.6k
2038D
Divide OR Conquer
binary search
bitmasks
data structures
dp
implementation
+
2400
888
1983F
array-value
binary search
bitmasks
data structures
greedy
two pointers
+
2500
1.6k
1973B
Cat, Fox and the Lonely Array
binary search
bitmasks
data structures
greedy
math
two pointers
+
1300
17.1k
1936D
Bitwise Paradox
binary search
bitmasks
data structures
greedy
two pointers
+
3100
705
1926E
Vlad and an Odd Ordering
binary search
bitmasks
data structures
dp
implementation
math
number theory
+
1500
15.2k
1913C
Game with Multiset
binary search
bitmasks
brute force
greedy
+
1300
17.8k
1903D1
Maximum And Queries (easy version)
binary search
bitmasks
brute force
greedy
+
1700
7.4k
1878E
Iva & Pav
binary search
bitmasks
data structures
greedy
+
1400
22.3k
1878G
wxhtzdy ORO Tree
binary search
bitmasks
brute force
data structures
dfs and similar
implementation
trees
+
2300
1.5k
1872E
Data Structures Fan
binary search
bitmasks
data structures
dp
+
1500
22.5k
1862F
Magic Will Save the World
binary search
bitmasks
brute force
dp
+
1800
7.8k
1861F
Four Suits
binary search
bitmasks
flows
greedy
+
3200
338
1849F
XOR Partition
binary search
bitmasks
data structures
divide and conquer
greedy
trees
+
2700
911
1848F
Vika and Wiki
binary search
bitmasks
combinatorics
divide and conquer
dp
math
+
2400
2.1k
1847F
The Boss's Identity
binary search
bitmasks
data structures
dfs and similar
greedy
math
sortings
+
2500
1.1k
1792D
Fixed Prefix Permutations
binary search
bitmasks
data structures
hashing
math
sortings
+
1700
8.3k
1780D
Bit Guessing Game
binary search
bitmasks
constructive algorithms
interactive
+
1800
5.9k
1771F
Hossam and Range Minimum Query
binary search
bitmasks
data structures
hashing
probabilities
strings
trees
+
2500
1.7k
1747D
Yet Another Problem
binary search
bitmasks
constructive algorithms
data structures
+
1900
5.7k
1732C1
Sheikh (Easy version)
binary search
bitmasks
greedy
two pointers
+
1800
7.9k
1732C2
Sheikh (Hard Version)
binary search
bitmasks
brute force
greedy
implementation
two pointers
+
2100
3.2k
1728G
Illumination
binary search
bitmasks
brute force
combinatorics
dp
math
two pointers
+
2700
669
1725D
Deducing Sortability
binary search
bitmasks
math
+
2900
254
1705E
Mark and Professor Koro
binary search
bitmasks
brute force
combinatorics
data structures
greedy
+
2300
2.5k
1632C
Strange Test
binary search
bitmasks
brute force
dp
math
+
1600
14.2k
1598F
RBS
binary search
bitmasks
brute force
data structures
dp
+
2400
1.7k
1560F1
Nearest Beautiful Number (easy version)
binary search
bitmasks
brute force
constructive algorithms
dfs and similar
greedy
+
1900
6.8k
1554C
Mikasa
binary search
bitmasks
greedy
implementation
+
1800
9.9k
1550E
Stringforces
binary search
bitmasks
brute force
dp
strings
two pointers
+
2500
1.9k
1498B
Box Fitting
binary search
bitmasks
data structures
greedy
+
1300
24.6k
1479D
Odd Mineral Resource
binary search
bitmasks
brute force
data structures
probabilities
trees
+
2900
1.4k
1446C
Xor Tree
binary search
bitmasks
data structures
divide and conquer
dp
trees
+
2100
4.2k
1438E
Yurii Can Do Everything
binary search
bitmasks
brute force
constructive algorithms
divide and conquer
two pointers
+
2500
1.5k
1401F
Reverse and Swap
binary search
bitmasks
data structures
+
2400
2k
1361C
Johnny and Megan's Necklace
binary search
bitmasks
constructive algorithms
dfs and similar
dsu
graphs
+
2500
2.1k
1360H
Binary Median
binary search
bitmasks
brute force
constructive algorithms
+
2100
4.9k
1322B
Present
binary search
bitmasks
constructive algorithms
data structures
math
sortings
+
2100
4.7k
1288D
Minimax Problem
binary search
bitmasks
dp
+
2000
8.7k
1217C
The Number Of Good Substrings
binary search
bitmasks
brute force
+
1700
7.9k
1102F
Elongated Matrix
binary search
bitmasks
brute force
dp
graphs
+
2000
2.4k
979D
Kuro and GCD and XOR and SUM
binary search
bitmasks
brute force
data structures
dp
dsu
greedy
math
number theory
strings
trees
+
2200
2.3k
920G
List Of Integers
binary search
bitmasks
brute force
combinatorics
math
number theory
+
2200
2.1k
875D
High Cry
binary search
bitmasks
combinatorics
data structures
divide and conquer
+
2200
2.6k
743B
Chloe and the sequence
binary search
bitmasks
constructive algorithms
implementation
+
1200
16.2k
743E
Vladik and cards
binary search
bitmasks
brute force
dp
+
2200
1.7k
706D
Vasiliy's Multiset
binary search
bitmasks
data structures
trees
+
1800
13.1k
570D
Tree Requests
binary search
bitmasks
constructive algorithms
dfs and similar
graphs
trees
+
2200
9.3k
525E
Anya and Cubes
binary search
bitmasks
brute force
dp
math
meet-in-the-middle
+
2100
4.4k
431D
Random Task
binary search
bitmasks
combinatorics
dp
math
+
2100
3k
400E
Inna and Binary Logic
binary search
bitmasks
data structures
+
2100
1.1k
333D
Characteristics of Rectangles
binary search
bitmasks
brute force
implementation
sortings
+
2100
2.3k
333E
Summer Earnings
binary search
bitmasks
brute force
geometry
sortings
+
2500
1.3k
309C
Memory for Arrays
binary search
bitmasks
greedy
+
1900
1.5k
241B
Friends
binary search
bitmasks
data structures
math
+
2700
1k
202A
LLPS
binary search
bitmasks
brute force
greedy
implementation
strings
+
800
20.1k
96B
Lucky Numbers (easy)
binary search
bitmasks
brute force
+
1300
19.6k
showing 1–75 of 75