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281 problems · filtered by 2 tags
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1793D
Moscow Gorillas
binary search
dp
greedy
implementation
math
two pointers
+
1800
7.2k
1793E
Velepin and Marketing
binary search
data structures
dp
greedy
sortings
two pointers
+
2600
1.4k
1792C
Min Max Sort
binary search
brute force
greedy
math
two pointers
+
1500
17.1k
1788D
Moving Dots
binary search
brute force
combinatorics
math
two pointers
+
2000
4.8k
1781E
Rectangle Shrinking
binary search
brute force
data structures
greedy
implementation
two pointers
+
2300
1.5k
1777C
Quiz Master
binary search
math
number theory
sortings
two pointers
+
1700
12.9k
1772G
Gaining Rating
binary search
greedy
implementation
math
sortings
two pointers
+
2200
1.6k
1771B
Hossam and Friends
binary search
constructive algorithms
dp
two pointers
+
1400
22.5k
1766E
Decomposition
binary search
brute force
data structures
divide and conquer
dp
two pointers
+
2300
1.5k
1765D
Watch the Videos
binary search
constructive algorithms
two pointers
+
1700
4.9k
1761E
Make It Connected
binary search
brute force
constructive algorithms
dsu
graphs
greedy
matrices
trees
two pointers
+
2400
2.2k
1758D
Range = √Sum
binary search
brute force
constructive algorithms
math
two pointers
+
1800
8.6k
1744C
Traffic Light
binary search
implementation
two pointers
+
1000
47.1k
1736C1
Good Subarrays (Easy Version)
binary search
data structures
schedules
two pointers
+
1300
16.6k
1736C2
Good Subarrays (Hard Version)
binary search
data structures
dp
two pointers
+
2400
1.5k
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
1731D
Valiant's New Map
binary search
brute force
data structures
dp
two pointers
+
1700
8.7k
1728G
Illumination
binary search
bitmasks
brute force
combinatorics
dp
math
two pointers
+
2700
669
1725C
Circular Mirror
binary search
combinatorics
geometry
math
two pointers
+
2000
2k
1721C
Min-Max Array Transformation
binary search
greedy
two pointers
+
1400
14.7k
1719C
Fighting Tournament
binary search
data structures
implementation
two pointers
+
1400
14.5k
1712E1
LCM Sum (easy version)
binary search
brute force
combinatorics
math
number theory
two pointers
+
2300
2.5k
1701C
Schedule Management
binary search
greedy
implementation
two pointers
+
1400
25k
1701D
Permutation Restoration
binary search
data structures
greedy
math
sortings
two pointers
+
1900
6.3k
1697C
awoo's Favorite Problem
binary search
constructive algorithms
data structures
greedy
implementation
strings
two pointers
+
1400
15.9k
1693F
I Might Be Wrong
binary search
greedy
two pointers
+
3400
625
1692E
Binary Deque
binary search
implementation
two pointers
+
1200
35.5k
1691D
Max GEQ Sum
binary search
constructive algorithms
data structures
divide and conquer
implementation
two pointers
+
1800
7.7k
1690E
Price Maximization
binary search
greedy
math
two pointers
+
1500
17.2k
1684E
MEX vs DIFF
binary search
brute force
constructive algorithms
data structures
greedy
two pointers
+
2100
3.7k
1680C
Binary String
binary search
greedy
strings
two pointers
+
1600
11.2k
1669F
Eating Candies
binary search
data structures
greedy
two pointers
+
1100
42.1k
1632D
New Year Concert
binary search
data structures
greedy
math
number theory
two pointers
+
2000
5.4k
1630B
Range and Partition
binary search
constructive algorithms
data structures
greedy
two pointers
+
1800
6.5k
1628A
Meximum Array
binary search
constructive algorithms
greedy
implementation
math
two pointers
+
1400
17.2k
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1611F
ATM and Students
binary search
data structures
two pointers
+
1800
7.5k
1609C
Complex Market Analysis
binary search
dp
implementation
number theory
schedules
two pointers
+
1400
10.5k
1605E
Array Equalizer
binary search
greedy
implementation
math
number theory
sortings
two pointers
+
2400
1.2k
1588F
Jumping Through the Array
binary search
data structures
graphs
two pointers
+
3500
359
1582F2
Korney Korneevich and XOR (hard version)
binary search
brute force
dp
greedy
two pointers
+
2400
2.2k
1569D
Inconvenient Pairs
binary search
data structures
implementation
sortings
two pointers
+
1900
4.6k
1550D
Excellent Arrays
binary search
combinatorics
constructive algorithms
implementation
math
sortings
two pointers
+
2300
2.1k
1550E
Stringforces
binary search
bitmasks
brute force
dp
strings
two pointers
+
2500
1.9k
1548B
Integers Have Friends
binary search
data structures
divide and conquer
math
number theory
two pointers
+
1800
11.6k
1547F
Array Stabilization (GCD version)
binary search
brute force
data structures
divide and conquer
number theory
two pointers
+
1900
7.2k
1539D
PriceFixed
binary search
greedy
implementation
sortings
two pointers
+
1600
12.9k
1538C
Number of Pairs
binary search
data structures
math
two pointers
+
1300
35.6k
1537E1
Erase and Extend (Easy Version)
binary search
brute force
dp
greedy
hashing
implementation
string suffix structures
strings
two pointers
+
1600
16.9k
1537E2
Erase and Extend (Hard Version)
binary search
data structures
greedy
hashing
string suffix structures
strings
two pointers
+
2200
6.4k
1535C
Unstable String
binary search
dp
greedy
implementation
strings
two pointers
+
1400
17.9k
1517E
Group Photo
binary search
data structures
implementation
two pointers
+
2500
1.1k
1516D
Cut
binary search
data structures
dp
graphs
number theory
two pointers
+
2100
5.3k
1514E
Baby Ehab's Hyper Apartment
binary search
graphs
interactive
sortings
two pointers
+
2700
712
1503C
Travelling Salesman Problem
binary search
data structures
dp
greedy
shortest paths
sortings
two pointers
+
2200
3.9k
1494C
1D Sokoban
binary search
dp
greedy
implementation
two pointers
+
1900
5.8k
1492C
Maximum width
binary search
data structures
dp
greedy
two pointers
+
1500
17.6k
1475D
Cleaning the Phone
binary search
dp
sortings
two pointers
+
1800
11.3k
1472E
Correct Placement
binary search
data structures
dp
sortings
two pointers
+
1700
9.1k
1470A
Strange Birthday Party
binary search
dp
greedy
sortings
two pointers
+
1300
30.7k
1470E
Strange Permutation
binary search
combinatorics
data structures
dp
graphs
implementation
two pointers
+
3200
981
1463D
Pairs
binary search
constructive algorithms
greedy
two pointers
+
1900
4.9k
1462E1
Close Tuples (easy version)
binary search
combinatorics
math
sortings
two pointers
+
1500
15.4k
1462E2
Close Tuples (hard version)
binary search
combinatorics
implementation
math
sortings
two pointers
+
1700
11.6k
1454F
Array Partition
binary search
data structures
greedy
two pointers
+
2100
4.8k
1450D
Rating Compression
binary search
data structures
greedy
implementation
two pointers
+
1800
5.9k
1438E
Yurii Can Do Everything
binary search
bitmasks
brute force
constructive algorithms
divide and conquer
two pointers
+
2500
1.5k
1436E
Complicated Computations
binary search
data structures
two pointers
+
2400
2.9k
1430D
String Deletion
binary search
data structures
greedy
two pointers
+
1700
9.4k
1428F
Fruit Sequences
binary search
data structures
divide and conquer
dp
two pointers
+
2400
2.6k
1423K
Lonely Numbers
binary search
math
number theory
two pointers
+
1600
5.5k
1419D2
Sage's Birthday (hard version)
binary search
brute force
constructive algorithms
greedy
sortings
two pointers
+
1500
17.6k
1416A
k-Amazing Numbers
binary search
data structures
implementation
two pointers
+
1500
17.4k
1413C
Perform Easily
binary search
brute force
dp
implementation
sortings
two pointers
+
1900
6.3k
1409E
Two Platforms
binary search
dp
sortings
two pointers
+
1800
8.5k
1408C
Discrete Acceleration
binary search
dp
implementation
math
two pointers
+
1500
9.3k
1408D
Searchlights
binary search
brute force
data structures
dp
implementation
sortings
two pointers
+
2000
4.7k
1404C
Fixed Point Removal
binary search
constructive algorithms
data structures
greedy
two pointers
+
2300
3.1k
1403A
The Potion of Great Power
*special
2-sat
binary search
data structures
graphs
interactive
sortings
two pointers
+
2400
359
1399E2
Weights Division (hard version)
binary search
dfs and similar
greedy
sortings
trees
two pointers
+
2200
2.6k
1398F
Controversial Rounds
binary search
data structures
dp
greedy
two pointers
+
2500
1.5k
1379C
Choosing flowers
binary search
brute force
data structures
dfs and similar
dp
greedy
sortings
two pointers
+
2000
6.2k
1379D
New Passenger Trams
binary search
brute force
data structures
sortings
two pointers
+
2300
1.2k
1367F2
Flying Sort (Hard Version)
binary search
data structures
dp
greedy
sortings
two pointers
+
2400
2k
1366E
Two Arrays
binary search
brute force
combinatorics
constructive algorithms
dp
two pointers
+
2100
4.7k
1358D
The Best Vacation
binary search
brute force
greedy
implementation
two pointers
+
1900
8.8k
1355C
Count Triangles
binary search
implementation
math
two pointers
+
1800
12.3k
1354B
Ternary String
binary search
dp
implementation
two pointers
+
1200
35.8k
1342D
Multiple Testcases
binary search
constructive algorithms
data structures
greedy
sortings
two pointers
+
1900
6.4k
1336B
Xenia and Colorful Gems
binary search
greedy
math
sortings
two pointers
+
1700
12.3k
1335E1
Three Blocks Palindrome (easy version)
binary search
brute force
data structures
dp
two pointers
+
1700
11.8k
1333C
Eugene and an array
binary search
data structures
implementation
two pointers
+
1700
13.7k
1324D
Pair of Topics
binary search
data structures
sortings
two pointers
+
1400
35k
1290B
Irreducible Anagrams
binary search
constructive algorithms
data structures
strings
two pointers
+
1800
7.4k
1257D
Yet Another Monster Killing Problem
binary search
data structures
dp
greedy
sortings
two pointers
+
1700
8.2k
1244E
Minimizing Difference
binary search
constructive algorithms
greedy
sortings
ternary search
two pointers
+
2000
6.8k
1208B
Uniqueness
binary search
brute force
implementation
two pointers
+
1500
11.8k
1203D2
Remove the Substring (hard version)
binary search
greedy
implementation
two pointers
+
1700
8.2k
1181D
Irrigation
binary search
data structures
implementation
sortings
trees
two pointers
+
2200
2.9k
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