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Name
144E
Competition
data structures
,
greedy
2200
x563
142B
Help General
constructive algorithms
,
greedy
,
implementation
1800
x2137
141C
Queue
constructive algorithms
,
greedy
,
sortings
1800
x2371
140D
New Year Contest
greedy
,
sortings
1800
x2194
140C
New Year Snowmen
binary search
,
data structures
,
greedy
1800
x4204
140B
New Year Cards
brute force
,
greedy
,
implementation
1800
x1478
138B
Digits Permutations
greedy
1900
x1007
137B
Permutation
greedy
1000
x13329
135C
Zero-One
constructive algorithms
,
games
,
greedy
1900
x1322
135A
Replacement
greedy
,
implementation
,
sortings
1300
x7446
134C
Swaps
constructive algorithms
,
graphs
,
greedy
2200
x459
132D
Constants in the language of Shakespeare
constructive algorithms
,
dp
,
greedy
2100
x604
126C
E-reader Display
constructive algorithms
,
greedy
2000
x711
125D
Two progressions
constructive algorithms
,
greedy
2200
x391
125C
Hobbits' Party
constructive algorithms
,
greedy
1600
x904
123C
Brackets
combinatorics
,
dp
,
greedy
2300
x589
120I
Luck is in Numbers
greedy
2200
x302
120F
Spiders
dp
,
greedy
,
trees
1400
x3510
118C
Fancy Number
brute force
,
greedy
,
sortings
,
strings
1900
x2523
116B
Little Pigs and Wolves
greedy
,
implementation
1100
x13451
115B
Lawnmower
greedy
,
sortings
1500
x2429
111A
Petya and Inequiations
greedy
1400
x4642
103C
Russian Roulette
constructive algorithms
,
greedy
1900
x937
103A
Testing Pants for Sadness
greedy
,
implementation
,
math
1100
x5871
101D
Castle
dp
,
greedy
,
probabilities
,
sortings
,
trees
2300
x671
101A
Homework
greedy
1200
x3711
100J
Interval Coloring
*special problem
,
greedy
,
math
2400
x60
95B
Lucky Numbers
dp
,
greedy
1800
x1179
93B
End of Exams
greedy
1900
x901
92B
Binary Number
greedy
1300
x4712
91D
Grocer's Problem
constructive algorithms
,
graphs
,
greedy
2600
x261
91A
Newspaper Headline
greedy
,
strings
1500
x3491
90A
Cableway
greedy
,
math
1000
x4520
89E
Fire and Ice
greedy
2900
x97
89A
Robbery
greedy
1800
x1454
86B
Tetris revisited
constructive algorithms
,
graph matchings
,
greedy
,
math
2200
x401
85B
Embassy Queue
data structures
,
greedy
1800
x957
83C
Track
graphs
,
greedy
,
shortest paths
2400
x401
81D
Polycarp's Picture Gallery
constructive algorithms
,
greedy
2100
x631
81C
Average Score
greedy
,
math
,
sortings
1700
x1626
79C
Beaver
data structures
,
dp
,
greedy
,
hashing
,
strings
,
two pointers
1800
x1723
79A
Bus Game
greedy
1200
x3982
77C
Beavermuncher-0xFF
dfs and similar
,
dp
,
dsu
,
greedy
,
trees
2100
x977
76D
Plus and xor
dp
,
greedy
,
math
1700
x2004
76B
Mice
greedy
,
two pointers
2100
x495
75D
Big Maximum Sum
data structures
,
dp
,
greedy
,
implementation
,
math
,
trees
2000
x1740
74B
Train
dp
,
games
,
greedy
1500
x1494
73D
FreeDiv
dfs and similar
,
graphs
,
greedy
2200
x612
73B
Need For Brake
binary search
,
greedy
,
sortings
2000
x488
73A
The Elder Trolls IV: Oblivon
greedy
,
math
1600
x1297
72F
Oil
*special problem
,
greedy
,
math
1900
x116
72A
Goshtasp, Vishtasp and Eidi
*special problem
,
greedy
,
math
1800
x181
70B
Text Messaging
expression parsing
,
greedy
,
strings
1600
x1717
69B
Bets
greedy
,
implementation
1200
x3194
67B
Restoration of the Permutation
greedy
1800
x755
67A
Partial Teacher
dp
,
graphs
,
greedy
,
implementation
1800
x2057
65B
Harry Potter and the History of Magic
brute force
,
greedy
,
implementation
1700
x1320
64D
Presents
*special problem
,
greedy
1800
x281
64C
Table
*special problem
,
greedy
,
implementation
,
math
1600
x331
62A
A Student's Dream
greedy
,
math
1300
x3374
61D
Eternal Victory
dfs and similar
,
graphs
,
greedy
,
shortest paths
,
trees
1800
x6271
59D
Team Arrangement
constructive algorithms
,
greedy
,
implementation
2000
x603
58D
Calendar
greedy
,
strings
2000
x713
58B
Coins
greedy
1300
x11841
58A
Chat room
greedy
,
strings
1000
x122847
57A
Square Earth?
dfs and similar
,
greedy
,
implementation
1300
x2817
51C
Three Base Stations
binary search
,
greedy
1800
x1820
50A
Domino piling
greedy
,
math
800
x230156
48F
Snow sellers
greedy
,
sortings
2800
x135
48D
Permutations
greedy
1500
x2414
45I
TCMCF+++
greedy
1400
x2309
45F
Goats and Wolves
greedy
2500
x124
45E
Director
constructive algorithms
,
greedy
2000
x524
45D
Event Dates
greedy
,
meet-in-the-middle
,
sortings
1900
x1605
44J
Triminoes
constructive algorithms
,
greedy
2000
x555
43C
Lucky Tickets
greedy
1300
x4154
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2760
41E
3-cycles
constructive algorithms
,
graphs
,
greedy
1900
x1904
39B
Company Income Growth
greedy
1300
x2570
39A
C*++ Calculations
expression parsing
,
greedy
2000
x657
37E
Trial for Chief
graphs
,
greedy
,
shortest paths
2600
x586
37C
Old Berland Language
data structures
,
greedy
,
trees
1900
x1511
37B
Computer Game
greedy
,
implementation
1800
x864
35D
Animals
dp
,
greedy
1700
x3163
34B
Sale
greedy
,
sortings
900
x49025
33C
Wonderful Randomized Sum
greedy
1800
x2875
33A
What is for dinner?
greedy
,
implementation
1200
x3866
31B
Sysadmin Bob
greedy
,
implementation
,
strings
1500
x4119
30E
Tricky and Clever Password
binary search
,
constructive algorithms
,
data structures
,
greedy
,
hashing
,
strings
2800
x674
30D
King's Problem?
geometry
,
greedy
2600
x410
27C
Unordered Subsequence
constructive algorithms
,
greedy
1900
x2696
27B
Tournament
bitmasks
,
brute force
,
dfs and similar
,
greedy
1300
x5160
26C
Parquet
combinatorics
,
constructive algorithms
,
greedy
,
implementation
2000
x824
26B
Regular Bracket Sequence
greedy
1400
x17613
23A
You're Given a String...
brute force
,
greedy
1200
x5090
22D
Segments
greedy
,
sortings
1900
x2628
19C
Deletion of Repeats
greedy
,
hashing
,
string suffix structures
2200
x1049
18D
Seller Bob
brute force
,
dp
,
greedy
2000
x1033
17B
Hierarchy
dfs and similar
,
dsu
,
greedy
,
shortest paths
1500
x4489
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16968
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