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Name
246C
Beauty Pageant
brute force
,
constructive algorithms
,
greedy
1600
x2612
244B
Undoubtedly Lucky Numbers
bitmasks
,
brute force
,
dfs and similar
1600
x4410
243A
The Brand New Function
bitmasks
1600
x3839
237C
Primes on Interval
binary search
,
number theory
,
two pointers
1600
x5615
235A
LCM Challenge
number theory
1600
x17112
234G
Practice
constructive algorithms
,
divide and conquer
,
implementation
1600
x1462
234E
Champions' League
implementation
1600
x991
234D
Cinema
implementation
1600
x1517
232A
Cycles
binary search
,
constructive algorithms
,
graphs
,
greedy
1600
x2473
231D
Magic Box
brute force
,
geometry
1600
x4045
231C
To Add or Not to Add
binary search
,
sortings
,
two pointers
1600
x8377
225B
Well-known Numbers
binary search
,
greedy
,
number theory
1600
x3117
219C
Color Stripe
brute force
,
dp
,
greedy
1600
x6578
214B
Hometask
brute force
,
constructive algorithms
,
greedy
,
math
1600
x4912
209A
Multicolored Marbles
dp
,
math
1600
x2276
207D7
The Beaver's Problem - 3
1600
x97
207D5
The Beaver's Problem - 3
1600
x138
207B1
Military Trainings
1600
x260
207A1
Beaver's Calculator 1.0
greedy
1600
x277
197A
Plate Game
constructive algorithms
,
games
,
math
1600
x6101
188G
Array Sorting
*special problem
,
implementation
1600
x328
178C1
Smart Beaver and Resolving Collisions
1600
x474
178B2
Greedy Merchants
1600
x648
178B1
Greedy Merchants
1600
x733
175C
Geometry Horse
greedy
,
implementation
,
sortings
,
two pointers
1600
x1298
171G
Mysterious numbers - 2
*special problem
1600
x904
171F
ucyhf
*special problem
,
brute force
,
implementation
,
number theory
1600
x1260
167A
Wizards and Trolleybuses
implementation
,
math
1600
x2015
165C
Another Problem on Strings
binary search
,
brute force
,
dp
,
math
,
strings
,
two pointers
1600
x11988
156B
Suspects
constructive algorithms
,
data structures
,
implementation
1600
x2197
154B
Colliders
math
,
number theory
1600
x4369
154A
Hometask
greedy
1600
x4007
153A
A + B
*special problem
1600
x765
150B
Quantity of Strings
combinatorics
,
dfs and similar
,
graphs
,
math
1600
x4023
149B
Martian Clock
implementation
1600
x2234
142A
Help Farmer
brute force
,
math
1600
x2586
139B
Wallpaper
implementation
,
math
1600
x1284
138A
Literature Lesson
implementation
1600
x2349
135B
Rectangle and Square
brute force
,
geometry
,
math
1600
x2308
131D
Subway
dfs and similar
,
graphs
1600
x4542
130H
Balanced brackets
*special problem
1600
x541
130F
Prime factorization
*special problem
1600
x275
130E
Tribonacci numbers
*special problem
1600
x294
125C
Hobbits' Party
constructive algorithms
,
greedy
1600
x907
113A
Grammar Lessons
implementation
,
strings
1600
x2244
107B
Basketball Team
combinatorics
,
dp
,
math
,
probabilities
1600
x3323
100E
Lamps in a Line
*special problem
,
math
1600
x268
95A
Hockey
implementation
,
strings
1600
x1649
86A
Reflection
math
1600
x1347
75C
Modified GCD
binary search
,
number theory
1600
x12190
73A
The Elder Trolls IV: Oblivon
greedy
,
math
1600
x1308
72H
Reverse It!
*special problem
,
implementation
1600
x261
71C
Round Table Knights
dp
,
math
,
number theory
1600
x6289
70B
Text Messaging
expression parsing
,
greedy
,
strings
1600
x1728
68B
Energy exchange
binary search
1600
x4189
64C
Table
*special problem
,
greedy
,
implementation
,
math
1600
x333
59C
Title
expression parsing
1600
x2024
57B
Martian Architecture
implementation
1600
x995
55B
Smallest number
brute force
1600
x2663
52B
Right Triangles
combinatorics
1600
x1998
46C
Hamsters and Tigers
two pointers
1600
x2281
40B
Repaintings
math
1600
x1128
36B
Fractal
implementation
1600
x1443
34D
Road Map
dfs and similar
,
graphs
1600
x4907
32D
Constellation
implementation
1600
x1249
28B
pSort
dfs and similar
,
dsu
,
graphs
1600
x4457
28A
Bender Problem
implementation
1600
x773
23B
Party
constructive algorithms
,
graphs
,
math
1600
x3234
11B
Jumping Jack
math
1600
x4544
7B
Memory Manager
implementation
1600
x2537
1B
Spreadsheet
implementation
,
math
1600
x21971
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Educational Codeforces Round 167 (Rated for Div. 2)
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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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