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Name
1209H
Moving Walkways
data structures
,
greedy
,
math
3300
x137
1209G1
Into Blocks (easy version)
data structures
,
dsu
,
greedy
,
implementation
,
two pointers
2000
x2873
1209E2
Rotate Columns (hard version)
bitmasks
,
dp
,
greedy
,
sortings
2500
x1853
1209E1
Rotate Columns (easy version)
bitmasks
,
brute force
,
dp
,
greedy
,
sortings
2000
x2728
1209C
Paint the Digits
constructive algorithms
,
greedy
,
implementation
1500
x7225
1209A
Paint the Numbers
greedy
,
implementation
,
math
800
x11933
1208G
Polygons
greedy
,
math
,
number theory
2800
x728
1208F
Bits And Pieces
bitmasks
,
dfs and similar
,
dp
,
greedy
2600
x2109
1208D
Restore Permutation
binary search
,
data structures
,
greedy
,
implementation
1900
x4667
1207C
Gas Pipeline
dp
,
greedy
1500
x9563
1207B
Square Filling
constructive algorithms
,
greedy
,
implementation
1200
x12960
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21373
1205A
Almost Equal
constructive algorithms
,
greedy
,
math
1200
x13874
1204D2
Kirk and a Binary String (hard version)
data structures
,
greedy
,
math
,
strings
2100
x2973
1204D1
Kirk and a Binary String (easy version)
brute force
,
greedy
,
strings
2000
x2850
1204C
Anna, Svyatoslav and Maps
dp
,
graphs
,
greedy
,
shortest paths
1700
x6463
1204B
Mislove Has Lost an Array
greedy
,
math
900
x17182
1203F2
Complete the Projects (hard version)
dp
,
greedy
2300
x2682
1203F1
Complete the Projects (easy version)
greedy
2100
x3324
1203E
Boxers
greedy
,
sortings
1500
x13477
1203D2
Remove the Substring (hard version)
binary search
,
greedy
,
implementation
,
two pointers
1700
x7119
1203D1
Remove the Substring (easy version)
greedy
,
implementation
1600
x8514
1203B
Equal Rectangles
greedy
,
math
1200
x15630
1202C
You Are Given a WASD-string...
brute force
,
data structures
,
dp
,
greedy
,
implementation
,
math
,
strings
2100
x2475
1202A
You Are Given Two Binary Strings...
bitmasks
,
greedy
1100
x8996
1201D
Treasure Hunting
binary search
,
dp
,
greedy
,
implementation
2100
x2287
1201C
Maximum Median
binary search
,
greedy
,
math
,
sortings
1400
x21687
1201B
Zero Array
greedy
,
math
1500
x17868
1200B
Block Adventure
dp
,
greedy
1200
x13738
1198F
GCD Groups 2
greedy
,
number theory
,
probabilities
2900
x819
1198C
Matching vs Independent Set
constructive algorithms
,
graphs
,
greedy
,
sortings
2000
x3408
1197D
Yet Another Subarray Problem
dp
,
greedy
,
math
1900
x5247
1197C
Array Splitting
greedy
,
sortings
1400
x13678
1197B
Pillars
greedy
,
implementation
1000
x13650
1197A
DIY Wooden Ladder
greedy
,
math
,
sortings
900
x13389
1195A
Drinks Choosing
greedy
,
math
1000
x12528
1190E
Tokitsukaze and Explosion
binary search
,
greedy
3100
x221
1190C
Tokitsukaze and Duel
brute force
,
games
,
greedy
2300
x1891
1189B
Number Circle
greedy
,
math
,
sortings
1100
x13766
1187C
Vasya And Array
constructive algorithms
,
greedy
,
implementation
1800
x6166
1186F
Vus the Cossack and a Graph
dfs and similar
,
graphs
,
greedy
,
implementation
2400
x750
1186D
Vus the Cossack and Numbers
constructive algorithms
,
greedy
,
math
1500
x8763
1185C2
Exam in BerSU (hard version)
brute force
,
data structures
,
greedy
,
math
1700
x7151
1185C1
Exam in BerSU (easy version)
greedy
,
sortings
1200
x11064
1183G
Candy Box (hard version)
greedy
,
implementation
,
sortings
2000
x2293
1183D
Candy Box (easy version)
greedy
,
sortings
1400
x13361
1182C
Beautiful Lyrics
data structures
,
greedy
,
strings
1700
x4383
1181E2
A Story of One Country (Hard)
brute force
,
greedy
,
sortings
3000
x264
1181B
Split a Number
greedy
,
implementation
,
strings
1500
x6190
1181A
Chunga-Changa
greedy
,
math
1000
x13134
1180B
Nick and Array
greedy
,
implementation
1500
x9428
1179C
Serge and Dining Room
binary search
,
data structures
,
graph matchings
,
greedy
,
implementation
,
math
,
trees
2200
x1964
1178E
Archaeology
brute force
,
constructive algorithms
,
greedy
,
strings
1900
x4129
1178D
Prime Graph
constructive algorithms
,
greedy
,
math
,
number theory
1500
x7151
1178C
Tiles
combinatorics
,
greedy
,
math
1300
x11434
1178A
Prime Minister
greedy
800
x10279
1176D
Recover it!
dfs and similar
,
graphs
,
greedy
,
number theory
,
sortings
1800
x5138
1176C
Lose it!
dp
,
greedy
,
implementation
1300
x13870
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x21931
1175E
Minimal Segment Cover
data structures
,
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
implementation
,
trees
2200
x3205
1175D
Array Splitting
greedy
,
sortings
1900
x5774
1175C
Electrification
binary search
,
brute force
,
greedy
1600
x6677
1174A
Ehab Fails to Be Thanos
constructive algorithms
,
greedy
,
sortings
1000
x17224
1173B
Nauuo and Chess
constructive algorithms
,
greedy
1100
x8789
1173A
Nauuo and Votes
greedy
800
x15926
1172A
Nauuo and Cards
greedy
,
implementation
1800
x4730
1170F
Wheels
*special problem
,
binary search
,
greedy
x115
1168A
Increasing by Modulo
binary search
,
greedy
1700
x6524
1167D
Bicolored RBS
constructive algorithms
,
greedy
1500
x6835
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x18798
1166D
Cute Sequences
binary search
,
brute force
,
greedy
,
math
2200
x2127
1166A
Silent Classroom
combinatorics
,
greedy
900
x13973
1165F2
Microtransactions (hard version)
binary search
,
greedy
,
implementation
2000
x2033
1165F1
Microtransactions (easy version)
binary search
,
greedy
2000
x1772
1165E
Two Arrays and Sum of Functions
greedy
,
math
,
sortings
1600
x7974
1165C
Good String
greedy
1300
x12672
1165B
Polycarp Training
data structures
,
greedy
,
sortings
1000
x20359
1163A
Eating Soup
greedy
,
math
900
x12766
1162B
Double Matrix
brute force
,
greedy
1400
x5763
1158D
Winding polygonal line
constructive algorithms
,
geometry
,
greedy
,
math
2600
x663
1158C
Permutation recovery
constructive algorithms
,
data structures
,
dfs and similar
,
graphs
,
greedy
,
math
,
sortings
2100
x1700
1158A
The Party and Sweets
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
sortings
,
two pointers
1500
x6873
1157F
Maximum Balanced Circle
constructive algorithms
,
dp
,
greedy
,
two pointers
2000
x2533
1157E
Minimum Array
binary search
,
data structures
,
greedy
1700
x8163
1157D
N Problems During K Days
constructive algorithms
,
greedy
,
math
1900
x3616
1157C2
Increasing Subsequence (hard version)
greedy
1700
x7773
1157C1
Increasing Subsequence (easy version)
greedy
1300
x12382
1157B
Long Number
greedy
1300
x14429
1156G
Optimizer
graphs
,
greedy
,
hashing
,
implementation
2700
x120
1156C
Match Points
binary search
,
greedy
,
sortings
,
ternary search
,
two pointers
2000
x5903
1156B
Ugly Pairs
dfs and similar
,
greedy
,
implementation
,
sortings
,
strings
1800
x6136
1155D
Beautiful Array
brute force
,
data structures
,
divide and conquer
,
dp
,
greedy
1900
x6700
1155B
Game with Telephone Numbers
games
,
greedy
,
implementation
1200
x11734
1154G
Minimum Possible LCM
brute force
,
greedy
,
math
,
number theory
2200
x2624
1154F
Shovels Shop
dp
,
greedy
,
sortings
2100
x2556
1154D
Walking Robot
greedy
1500
x9789
1153D
Serval and Rooted Tree
binary search
,
dfs and similar
,
dp
,
greedy
,
trees
1900
x4839
1153C
Serval and Parenthesis Sequence
greedy
,
strings
1700
x7266
1153B
Serval and Toy Bricks
constructive algorithms
,
greedy
1200
x8961
1152D
Neko and Aki's Prank
dp
,
greedy
,
trees
2100
x2372
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combine-tags-by-or
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2-sat
binary search
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constructive algorithms
data structures
dfs and similar
divide and conquer
dp
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expression parsing
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games
geometry
graph matchings
graphs
greedy
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strings
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