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dp
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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Problems
#
Name
165E
Compatible Numbers
bitmasks
,
brute force
,
dfs and similar
,
dp
2200
x6184
559C
Gerald and Giant Chess
combinatorics
,
dp
,
math
,
number theory
2200
x6134
628D
Magic Numbers
dp
2200
x5365
1400E
Clear the Multiset
data structures
,
divide and conquer
,
dp
,
greedy
2200
x5010
713C
Sonya and Problem Wihtout a Legend
dp
,
sortings
2300
x4775
1407D
Discrete Centrifugal Jumps
data structures
,
dp
,
graphs
2200
x4621
321E
Ciel and Gondolas
data structures
,
divide and conquer
,
dp
2600
x4489
833B
The Bakery
binary search
,
data structures
,
divide and conquer
,
dp
,
two pointers
2200
x4487
11D
A Simple Task
bitmasks
,
dp
,
graphs
2200
x4438
13C
Sequence
dp
,
sortings
2200
x4112
449D
Jzzhu and Numbers
bitmasks
,
combinatorics
,
dp
2400
x4079
10D
LCIS
dp
2800
x4044
1474D
Cleaning
data structures
,
dp
,
greedy
,
math
2200
x3870
1083E
The Fair Nut and Rectangles
data structures
,
dp
,
geometry
2400
x3800
1156D
0-1-Tree
dfs and similar
,
divide and conquer
,
dp
,
dsu
,
trees
2200
x3679
55D
Beautiful numbers
dp
,
number theory
2500
x3599
1467D
Sum of Paths
combinatorics
,
dp
,
math
2200
x3539
1316E
Team Building
bitmasks
,
dp
,
greedy
,
sortings
2300
x3460
868F
Yet Another Minimization Problem
divide and conquer
,
dp
2500
x3413
1515E
Phoenix and Computers
combinatorics
,
dp
,
math
2200
x3361
1336C
Kaavi and Magic Spell
dp
,
strings
2200
x3330
1854B
Earn or Unlock
bitmasks
,
brute force
,
dp
2200
x3327
1437E
Make It Increasing
binary search
,
constructive algorithms
,
data structures
,
dp
,
implementation
2200
x3322
1110D
Jongmah
dp
2200
x3259
311B
Cats Transport
data structures
,
dp
2400
x3202
1503C
Travelling Salesman Problem
binary search
,
data structures
,
dp
,
greedy
,
shortest paths
,
sortings
,
two pointers
2200
x3197
1175E
Minimal Segment Cover
data structures
,
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
implementation
,
trees
2200
x3192
1353F
Decreasing Heights
brute force
,
dp
2200
x3054
1699D
Almost Triple Deletions
data structures
,
dp
,
greedy
2300
x3022
1198D
Rectangle Painting 1
dp
2300
x3000
708C
Centroids
data structures
,
dfs and similar
,
dp
,
graphs
,
greedy
,
trees
2300
x2978
246E
Blood Cousins Return
binary search
,
data structures
,
dfs and similar
,
dp
,
sortings
2400
x2957
1215E
Marbles
bitmasks
,
dp
2200
x2912
383D
Antimatter
dp
2300
x2888
1630C
Paint the Middle
dp
,
greedy
,
sortings
,
two pointers
2200
x2829
1486E
Paired Payment
binary search
,
brute force
,
constructive algorithms
,
dp
,
flows
,
graphs
,
shortest paths
2200
x2790
1552F
Telepanting
binary search
,
data structures
,
dp
,
sortings
2200
x2780
1860D
Balanced String
dp
2200
x2779
768D
Jon and Orbs
dp
,
math
,
probabilities
2200
x2757
1238E
Keyboard Purchase
bitmasks
,
dp
2200
x2737
383E
Vowels
combinatorics
,
divide and conquer
,
dp
2700
x2728
547C
Mike and Foam
bitmasks
,
combinatorics
,
dp
,
math
,
number theory
2300
x2702
1373E
Sum of Digits
brute force
,
constructive algorithms
,
dp
,
greedy
2200
x2695
932E
Team Work
combinatorics
,
dp
,
math
2400
x2689
1858D
Trees and Segments
brute force
,
data structures
,
dp
,
greedy
,
two pointers
2200
x2688
839D
Winter is here
combinatorics
,
dp
,
math
,
number theory
2200
x2683
626F
Group Projects
dp
2400
x2671
613D
Kingdom and its Cities
dfs and similar
,
divide and conquer
,
dp
,
graphs
,
sortings
,
trees
2800
x2655
785D
Anton and School - 2
combinatorics
,
dp
,
math
,
number theory
2300
x2644
1535E
Gold Transfer
binary search
,
data structures
,
dp
,
greedy
,
interactive
,
trees
2200
x2629
1253E
Antenna Coverage
data structures
,
dp
,
greedy
,
sortings
2200
x2619
675E
Trains and Statistic
data structures
,
dp
,
greedy
2300
x2606
1203F2
Complete the Projects (hard version)
dp
,
greedy
2300
x2598
1303E
Erase Subsequences
dp
,
strings
2200
x2567
1097D
Makoto and a Blackboard
dp
,
math
,
number theory
,
probabilities
2200
x2559
632E
Thief in a Shop
divide and conquer
,
dp
,
fft
,
math
2400
x2558
1220E
Tourism
dfs and similar
,
dp
,
dsu
,
graphs
,
greedy
,
trees
2200
x2540
543D
Road Improvement
dp
,
trees
2300
x2536
1542D
Priority Queue
combinatorics
,
dp
,
implementation
,
math
,
ternary search
2200
x2530
1182E
Product Oriented Recurrence
dp
,
math
,
matrices
,
number theory
2300
x2523
932F
Escape Through Leaf
data structures
,
dp
,
geometry
2700
x2517
1556E
Equilibrium
data structures
,
dp
,
greedy
2200
x2510
1228E
Another Filling the Grid
combinatorics
,
dp
,
math
2300
x2495
1540B
Tree Array
brute force
,
combinatorics
,
dp
,
graphs
,
math
,
probabilities
,
trees
2300
x2485
1788E
Sum Over Zero
data structures
,
dfs and similar
,
dp
2200
x2466
1557D
Ezzat and Grid
data structures
,
dp
,
greedy
2200
x2463
815C
Karen and Supermarket
brute force
,
dp
,
trees
2400
x2463
1384B2
Koa and the Beach (Hard Version)
constructive algorithms
,
dp
,
greedy
,
implementation
2200
x2457
484D
Kindergarten
data structures
,
dp
,
greedy
2400
x2415
808G
Anthem of Berland
dp
,
strings
2300
x2408
1396C
Monster Invaders
dp
,
greedy
,
implementation
2300
x2387
1073E
Segment Sum
bitmasks
,
combinatorics
,
dp
,
math
2300
x2380
1234F
Yet Another Substring Reverse
bitmasks
,
dp
2200
x2363
592D
Super M
dfs and similar
,
dp
,
graphs
,
trees
2200
x2353
1168C
And Reachability
bitmasks
,
dp
2200
x2324
1646E
Power Board
brute force
,
dp
,
math
,
number theory
2200
x2296
1371E2
Asterism (Hard Version)
binary search
,
combinatorics
,
dp
,
math
,
number theory
,
sortings
2300
x2293
1579G
Minimal Coverage
dp
2200
x2265
1070A
Find a Number
dp
,
graphs
,
number theory
,
shortest paths
2200
x2259
1498D
Bananas in a Microwave
dfs and similar
,
dp
,
graphs
,
implementation
2200
x2247
908D
New Year and Arbitrary Arrangement
dp
,
math
,
probabilities
2200
x2244
1627E
Not Escaping
data structures
,
dp
,
implementation
,
shortest paths
,
two pointers
2200
x2226
631E
Product Sum
data structures
,
dp
,
geometry
2600
x2217
1704E
Count Seconds
brute force
,
constructive algorithms
,
dp
,
graphs
,
implementation
,
math
2200
x2215
1559E
Mocha and Stars
combinatorics
,
dp
,
fft
,
math
,
number theory
2200
x2214
1870E
Another MEX Problem
bitmasks
,
brute force
,
dp
,
shortest paths
2300
x2201
1043F
Make It One
bitmasks
,
combinatorics
,
dp
,
math
,
number theory
,
shortest paths
2500
x2185
1614D2
Divan and Kostomuksha (hard version)
dp
,
number theory
2300
x2174
1428F
Fruit Sequences
binary search
,
data structures
,
divide and conquer
,
dp
,
two pointers
2400
x2162
1107E
Vasya and Binary String
dp
2400
x2145
679B
Bear and Tower of Cubes
binary search
,
dp
,
greedy
2200
x2112
1208F
Bits And Pieces
bitmasks
,
dfs and similar
,
dp
,
greedy
2600
x2101
1251E1
Voting (Easy Version)
data structures
,
dp
,
greedy
2300
x2097
1249F
Maximum Weight Subset
dp
,
trees
2200
x2087
1695D1
Tree Queries (Easy Version)
brute force
,
constructive algorithms
,
dfs and similar
,
dp
,
greedy
,
trees
2200
x2086
427D
Match & Catch
dp
,
string suffix structures
,
strings
2200
x2086
1523D
Love-Hate
bitmasks
,
brute force
,
dp
,
probabilities
2400
x2082
1527E
Partition Game
binary search
,
data structures
,
divide and conquer
,
dp
2500
x2081
1946E
Girl Permutation
combinatorics
,
dp
,
math
,
number theory
2200
x2055
1832E
Combinatorics Problem
brute force
,
combinatorics
,
dp
2200
x2054
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