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485 problems · filtered by 2 tags
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Name
✎
Rating
↕
Solved
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1766E
Decomposition
binary search
brute force
data structures
divide and conquer
dp
two pointers
+
2300
1.5k
1763B
Incinerate
binary search
brute force
data structures
implementation
math
sortings
+
1200
16.6k
1762F
Good Pairs
binary search
data structures
dp
+
2600
917
1759F
All Possible Digits
binary search
data structures
greedy
math
number theory
+
1800
4.6k
1759G
Restore the Permutation
binary search
constructive algorithms
data structures
greedy
math
+
1900
5.6k
1750E
Bracket Cost
binary search
data structures
divide and conquer
dp
greedy
strings
+
2400
1.7k
1749C
Number Game
binary search
data structures
games
greedy
implementation
+
1400
15.9k
1748E
Yet Another Array Counting Problem
binary search
data structures
divide and conquer
dp
flows
math
trees
+
2300
2.8k
1747D
Yet Another Problem
binary search
bitmasks
constructive algorithms
data structures
+
1900
5.7k
1746G
Olympiad Training
binary search
data structures
dp
flows
geometry
implementation
sortings
+
3500
118
1741F
Multi-Colored Segments
binary search
data structures
math
sortings
+
2000
3k
1739D
Reset K Edges
binary search
data structures
dfs and similar
graphs
greedy
trees
+
1900
6.4k
1737G
Ela Takes Dancing Class
binary search
data structures
+
3500
167
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
1731D
Valiant's New Map
binary search
brute force
data structures
dp
two pointers
+
1700
8.7k
1719C
Fighting Tournament
binary search
data structures
implementation
two pointers
+
1400
14.5k
1714G
Path Prefixes
binary search
data structures
dfs and similar
trees
+
1700
9.9k
1712D
Empty Graph
binary search
constructive algorithms
data structures
greedy
shortest paths
+
2000
5.2k
1712F
Triameter
binary search
data structures
dfs and similar
trees
+
3200
508
1710B
Rain
binary search
brute force
data structures
geometry
greedy
implementation
math
+
2100
2.8k
1709D
Rorororobot
binary search
data structures
greedy
math
+
1700
10.6k
1707E
Replace
binary search
data structures
+
3500
950
1706E
Qpwoeirut and Vertices
binary search
data structures
dfs and similar
divide and conquer
dsu
greedy
trees
+
2300
4k
1705E
Mark and Professor Koro
binary search
bitmasks
brute force
combinatorics
data structures
greedy
+
2300
2.5k
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
data structures
dp
greedy
sortings
+
1300
31.8k
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
1696D
Permutation Graph
binary search
constructive algorithms
data structures
divide and conquer
greedy
shortest paths
+
1900
6.1k
1691D
Max GEQ Sum
binary search
constructive algorithms
data structures
divide and conquer
implementation
two pointers
+
1800
7.7k
1690G
Count the Trains
binary search
data structures
greedy
sortings
+
2000
4.2k
1687C
Sanae and Giant Robot
binary search
brute force
data structures
dsu
greedy
sortings
+
2500
1.7k
1687D
Cute number
binary search
brute force
data structures
dsu
implementation
math
+
2900
775
1684E
MEX vs DIFF
binary search
brute force
constructive algorithms
data structures
greedy
two pointers
+
2100
3.7k
1669F
Eating Candies
binary search
data structures
greedy
two pointers
+
1100
42.1k
1651D
Nearest Excluded Points
binary search
data structures
dfs and similar
graphs
shortest paths
+
1900
6.7k
1651F
Tower Defense
binary search
brute force
data structures
+
3000
514
1650E
Rescheduling the Exam
binary search
data structures
greedy
implementation
math
sortings
+
1900
4.5k
1641C
Anonymity Is Important
binary search
brute force
data structures
dsu
greedy
sortings
+
2200
2.9k
1633E
Spanning Tree Queries
binary search
data structures
dfs and similar
dsu
graphs
greedy
math
sortings
trees
+
2400
1.8k
1632D
New Year Concert
binary search
data structures
greedy
math
number theory
two pointers
+
2000
5.4k
1632E1
Distance Tree (easy version)
binary search
data structures
dfs and similar
graphs
shortest paths
trees
+
2400
1.4k
1630B
Range and Partition
binary search
constructive algorithms
data structures
greedy
two pointers
+
1800
6.5k
1628E
Groceries in Meteor Town
binary search
data structures
dsu
trees
+
3100
1.3k
1628F
Spaceship Crisis Management
binary search
data structures
geometry
sortings
+
3500
114
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1625E2
Cats on the Upgrade (hard version)
binary search
data structures
dfs and similar
graphs
trees
+
2800
705
1621E
New School
binary search
data structures
dp
greedy
implementation
sortings
+
2300
2k
1615H
Reindeer Games
binary search
constructive algorithms
data structures
divide and conquer
flows
graphs
shortest paths
+
3000
457
1614E
Divan and a Cottage
binary search
data structures
+
2600
989
1611F
ATM and Students
binary search
data structures
two pointers
+
1800
7.5k
1608G
Alphabetic Tree
binary search
data structures
dfs and similar
hashing
string suffix structures
strings
trees
+
3500
300
1598F
RBS
binary search
bitmasks
brute force
data structures
dp
+
2400
1.7k
1588F
Jumping Through the Array
binary search
data structures
graphs
two pointers
+
3500
359
1584E
Game with Stones
binary search
data structures
games
greedy
+
2300
1.5k
1582E
Pchelyonok and Segments
binary search
data structures
dp
greedy
math
+
2000
4.3k
1574D
The Strongest Build
binary search
brute force
data structures
dfs and similar
graphs
greedy
hashing
implementation
+
2000
4.9k
1572A
Book
binary search
brute force
data structures
dp
graphs
implementation
sortings
+
1800
10.6k
1571I
Physical Examination
*special
binary search
data structures
+
3200
67
1569D
Inconvenient Pairs
binary search
data structures
implementation
sortings
two pointers
+
1900
4.6k
1552F
Telepanting
binary search
data structures
dp
sortings
+
2200
3.4k
1551B2
Wonderful Coloring - 2
binary search
constructive algorithms
data structures
greedy
+
1400
16.8k
1550F
Jumping Around
binary search
data structures
divide and conquer
dp
dsu
graphs
shortest paths
+
2700
958
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
1540D
Inverse Inversions
binary search
brute force
data structures
+
3200
393
1539E
Game with Cards
binary search
constructive algorithms
data structures
dp
greedy
implementation
+
2500
1.1k
1538C
Number of Pairs
binary search
data structures
math
two pointers
+
1300
35.6k
1537E2
Erase and Extend (Hard Version)
binary search
data structures
greedy
hashing
string suffix structures
strings
two pointers
+
2200
6.4k
1535E
Gold Transfer
binary search
data structures
dp
greedy
interactive
trees
+
2200
3.1k
1535F
String Distance
binary search
brute force
data structures
hashing
implementation
strings
+
3000
701
1533E
Chess Team Forming
*special
binary search
data structures
greedy
+
unrated
285
1527E
Partition Game
binary search
data structures
divide and conquer
dp
+
2500
3.1k
1520F2
Guess the K-th Zero (Hard version)
binary search
constructive algorithms
data structures
interactive
+
2200
3.4k
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
1515I
Phoenix and Diamonds
binary search
data structures
sortings
+
3400
440
1514D
Cut and Stick
binary search
data structures
greedy
implementation
sortings
+
2000
5.1k
1503C
Travelling Salesman Problem
binary search
data structures
dp
greedy
shortest paths
sortings
two pointers
+
2200
3.9k
1500E
Subset Trick
binary search
data structures
+
3300
426
1498B
Box Fitting
binary search
bitmasks
data structures
greedy
+
1300
24.6k
1492C
Maximum width
binary search
data structures
dp
greedy
two pointers
+
1500
17.6k
1490E
Accidental Victory
binary search
data structures
greedy
+
1400
21.2k
1490F
Equalize the Array
binary search
data structures
greedy
math
sortings
+
1500
18.6k
1490G
Old Floppy Drive
binary search
data structures
math
+
1900
6.3k
1488F
Dogecoin
*special
binary search
data structures
+
2300
193
1486D
Max Median
binary search
data structures
dp
+
2100
10.1k
1479D
Odd Mineral Resource
binary search
bitmasks
brute force
data structures
probabilities
trees
+
2900
1.4k
1476F
Lanterns
binary search
data structures
dp
+
3000
1.2k
1472E
Correct Placement
binary search
data structures
dp
sortings
two pointers
+
1700
9.1k
1470E
Strange Permutation
binary search
combinatorics
data structures
dp
graphs
implementation
two pointers
+
3200
981
1469F
Power Sockets
binary search
data structures
greedy
+
2600
1.1k
1466I
The Riddle of the Sphinx
binary search
data structures
interactive
+
3400
247
1462F
The Treasure of The Segments
binary search
data structures
greedy
+
1800
8.8k
1461D
Divide and Summarize
binary search
brute force
data structures
divide and conquer
implementation
sortings
+
1600
10.4k
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
1446C
Xor Tree
binary search
bitmasks
data structures
divide and conquer
dp
trees
+
2100
4.2k
1446F
Line Distance
binary search
data structures
geometry
+
3200
462
1439C
Greedy Shopping
binary search
data structures
divide and conquer
greedy
implementation
+
2600
2.3k
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