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Problems
#
Name
1153B
Serval and Toy Bricks
constructive algorithms
,
greedy
1200
x8966
1152D
Neko and Aki's Prank
dp
,
greedy
,
trees
2100
x2372
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x14980
1151D
Stas and the Queue at the Buffet
greedy
,
math
,
sortings
1600
x8219
1150B
Tiling Challenge
greedy
,
implementation
900
x10795
1150A
Stock Arbitraging
greedy
,
implementation
800
x11618
1149D
Abandoning Roads
brute force
,
dp
,
graphs
,
greedy
3000
x671
1149A
Prefix Sum Primes
constructive algorithms
,
greedy
,
math
,
number theory
1200
x14773
1148E
Earth Wind and Fire
constructive algorithms
,
greedy
,
math
,
sortings
,
two pointers
2300
x1655
1148D
Dirty Deeds Done Dirt Cheap
greedy
,
sortings
1800
x4867
1148A
Another One Bites The Dust
greedy
800
x14721
1144G
Two Merged Sequences
dp
,
greedy
2400
x1874
1144D
Equalize Them All
constructive algorithms
,
greedy
1400
x10071
1144B
Parity Alternated Deletions
greedy
,
implementation
,
sortings
900
x16793
1141G
Privatization of Roads in Treeland
binary search
,
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
trees
1900
x2191
1141F2
Same Sum Blocks (Hard)
data structures
,
greedy
1900
x4060
1141F1
Same Sum Blocks (Easy)
greedy
1900
x3739
1141D
Colored Boots
greedy
,
implementation
1500
x8382
1140D
Minimum Triangulation
dp
,
greedy
,
math
1200
x12378
1139B
Chocolates
greedy
,
implementation
1000
x15686
1138B
Circus
brute force
,
greedy
,
math
,
strings
1800
x3940
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17438
1137E
Train Car Selection
data structures
,
greedy
2700
x491
1137B
Camp Schedule
greedy
,
hashing
,
strings
1600
x5890
1136D
Nastya Is Buying Lunch
greedy
1800
x3749
1133F2
Spanning Tree with One Fixed Degree
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
1900
x3121
1132E
Knapsack
dfs and similar
,
dp
,
greedy
2300
x1400
1132D
Stressful Training
binary search
,
greedy
2300
x1816
1132B
Discounts
greedy
,
sortings
900
x12749
1132A
Regular Bracket Sequence
greedy
,
implementation
1100
x9492
1131E
String Multiplication
dp
,
greedy
,
strings
2300
x1120
1131D
Gourmet choice
dfs and similar
,
dp
,
dsu
,
graphs
,
greedy
2000
x3172
1131C
Birthday
binary search
,
greedy
,
sortings
1200
x14559
1131B
Draw!
greedy
,
implementation
1400
x9609
1130B
Two Cakes
greedy
1200
x7702
1129A2
Toy Train
brute force
,
greedy
1800
x4040
1129A1
Toy Train (Simplified)
brute force
,
greedy
1700
x3771
1120F
Secret Letters
data structures
,
dp
,
greedy
3100
x249
1120D
Power Tree
dfs and similar
,
dp
,
dsu
,
graphs
,
greedy
,
trees
2500
x1265
1120B
Once in a casino
constructive algorithms
,
greedy
,
implementation
,
math
2700
x405
1120A
Diana and Liana
greedy
,
implementation
,
two pointers
1900
x1619
1119E
Pavel and Triangles
brute force
,
dp
,
fft
,
greedy
,
ternary search
1900
x4897
1119C
Ramesses and Corner Inversion
constructive algorithms
,
greedy
,
implementation
,
math
1500
x6563
1119B
Alyona and a Narrow Fridge
binary search
,
flows
,
greedy
,
sortings
1300
x9879
1119A
Ilya and a Colorful Walk
greedy
,
implementation
1100
x10428
1118D2
Coffee and Coursework (Hard Version)
binary search
,
greedy
1700
x6055
1118D1
Coffee and Coursework (Easy version)
brute force
,
greedy
1700
x5522
1117B
Emotes
greedy
,
math
,
sortings
1000
x13844
1114B
Yet Another Array Partitioning Task
constructive algorithms
,
greedy
,
sortings
1500
x8856
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18252
1113B
Sasha and Magnetic Machines
greedy
,
number theory
1300
x7667
1113A
Sasha and His Trip
dp
,
greedy
,
math
900
x17001
1110B
Tape
greedy
,
sortings
1400
x10670
1108F
MST Unification
binary search
,
dsu
,
graphs
,
greedy
2100
x2565
1108E1
Array and Segments (Easy version)
brute force
,
greedy
,
implementation
1800
x4423
1108D
Diverse Garland
constructive algorithms
,
dp
,
greedy
1400
x14718
1108C
Nice Garland
brute force
,
greedy
,
math
1300
x11767
1108B
Divisors of Two Integers
brute force
,
greedy
,
math
,
number theory
1100
x22469
1107C
Brutality
greedy
,
sortings
,
two pointers
1300
x9660
1107A
Digits Sequence Dividing
greedy
,
strings
900
x11889
1106D
Lunar New Year and a Wander
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1500
x13964
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x14300
1102D
Balanced Ternary String
greedy
,
strings
1500
x7833
1102B
Array K-Coloring
greedy
,
sortings
1400
x10177
1101B
Accordion
greedy
,
implementation
1300
x10375
1100F
Ivan and Burgers
data structures
,
divide and conquer
,
greedy
,
math
2500
x2127
1098C
Construct a tree
binary search
,
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
trees
2400
x868
1098B
Nice table
brute force
,
constructive algorithms
,
greedy
,
math
2100
x1466
1098A
Sum in the tree
constructive algorithms
,
dfs and similar
,
greedy
,
trees
1600
x8371
1097E
Egor and an RPG game
constructive algorithms
,
greedy
3400
x465
1097C
Yuhao and a Parenthesis
greedy
,
implementation
1400
x8331
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18434
1095F
Make It Connected
dsu
,
graphs
,
greedy
1900
x5874
1095C
Powers Of Two
bitmasks
,
greedy
1400
x15842
1093C
Mishka and the Last Exam
greedy
1300
x9284
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x16203
1092E
Minimal Diameter Forest
constructive algorithms
,
dfs and similar
,
greedy
,
trees
2000
x1626
1092D1
Great Vova Wall (Version 1)
greedy
,
implementation
,
math
2200
x4472
1091F
New Year and the Mallard Expedition
constructive algorithms
,
greedy
2600
x787
1091E
New Year and the Acquaintance Estimation
binary search
,
data structures
,
graphs
,
greedy
,
implementation
,
math
,
sortings
2400
x977
1091B
New Year and the Treasure Geolocation
brute force
,
constructive algorithms
,
greedy
,
implementation
1200
x10552
1090L
Berland University
greedy
,
math
2000
x1247
1090A
Company Merging
greedy
1300
x4041
1089J
JS Minification
greedy
,
implementation
3200
x120
1088E
Ehab and a component choosing problem
dp
,
greedy
,
math
,
trees
2400
x1402
1088C
Ehab and a 2-operation task
constructive algorithms
,
greedy
,
math
1400
x7951
1085E
Vasya and Templates
greedy
,
implementation
,
strings
2300
x857
1084B
Kvass and the Fair Nut
greedy
,
implementation
1200
x7699
1083B
The Fair Nut and Strings
greedy
,
strings
2000
x1846
1082E
Increasing Frequency
binary search
,
dp
,
greedy
2000
x4062
1082C
Multi-Subject Competition
greedy
,
sortings
1600
x5516
1082B
Vova and Trophies
greedy
1600
x7416
1081E
Missing Numbers
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1900
x2538
1077E
Thematic Contests
greedy
,
sortings
1800
x4365
1077B
Disturbed People
greedy
1000
x18322
1076F
Summer Practice Report
dp
,
greedy
2500
x621
1076D
Edge Deletion
graphs
,
greedy
,
shortest paths
1800
x4911
1076A
Minimizing the String
greedy
,
strings
1200
x12852
1073F
Choosing Two Paths
dfs and similar
,
dp
,
greedy
,
trees
2500
x521
1073D
Berland Fair
binary search
,
brute force
,
data structures
,
greedy
1700
x6325
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