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Name
156B
Suspects
constructive algorithms
,
data structures
,
implementation
1600
x2188
156A
Message
brute force
1700
x2994
155B
Combination
greedy
,
sortings
1100
x10026
155A
I_love_\%username\%
brute force
800
x70886
154E
Martian Colony
geometry
3000
x89
154D
Flatland Fencing
games
,
math
2400
x418
154C
Double Profiles
graphs
,
hashing
,
sortings
2300
x2683
154B
Colliders
math
,
number theory
1600
x4265
154A
Hometask
greedy
1600
x3995
153E
Euclidean Distance
*special problem
2100
x73
153D
Date Change
*special problem
2000
x80
153C
Caesar Cipher
*special problem
2200
x361
153B
Binary notation
*special problem
1800
x151
153A
A + B
*special problem
1600
x760
152E
Garden
bitmasks
,
dp
,
graphs
,
trees
2500
x460
152D
Frames
brute force
2600
x238
152C
Pocket Book
combinatorics
1400
x10276
152B
Steps
binary search
,
implementation
1300
x6347
152A
Marks
implementation
900
x16227
151B
Phone Numbers
implementation
,
strings
1200
x6233
151A
Soft Drinking
implementation
,
math
800
x66228
150E
Freezing with Style
binary search
,
data structures
,
divide and conquer
,
trees
3000
x790
150D
Mission Impassable
dp
,
strings
2600
x587
150C
Smart Cheater
data structures
,
math
,
probabilities
2200
x630
150B
Quantity of Strings
combinatorics
,
dfs and similar
,
graphs
,
math
1600
x3971
150A
Win or Freeze
games
,
math
,
number theory
1400
x7596
149E
Martian Strings
string suffix structures
,
strings
2300
x1970
149D
Coloring Brackets
dp
1900
x3594
149C
Division into Teams
greedy
,
math
,
sortings
1500
x5268
149B
Martian Clock
implementation
1600
x2225
149A
Business trip
greedy
,
implementation
,
sortings
900
x37909
148E
Porcelain
dp
1900
x3790
148D
Bag of mice
dp
,
games
,
math
,
probabilities
1800
x6806
148C
Terse princess
constructive algorithms
,
greedy
1700
x3068
148B
Escape
implementation
,
math
1500
x5270
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87488
147B
Smile House
binary search
,
graphs
,
matrices
2500
x745
147A
Punctuation
implementation
,
strings
1300
x3560
146B
Lucky Mask
brute force
,
implementation
1300
x4237
146A
Lucky Ticket
implementation
800
x14646
145E
Lucky Queries
data structures
2400
x2940
145D
Lucky Pair
combinatorics
,
data structures
,
implementation
2900
x238
145C
Lucky Subsequence
combinatorics
,
dp
,
math
2100
x1888
145B
Lucky Number 2
constructive algorithms
1800
x2152
145A
Lucky Conversion
greedy
,
implementation
1200
x6962
144E
Competition
data structures
,
greedy
2200
x563
144D
Missile Silos
data structures
,
dfs and similar
,
graphs
,
shortest paths
1900
x3797
144C
Anagram Search
implementation
,
strings
1500
x3889
144B
Meeting
implementation
1300
x5048
144A
Arrival of the General
implementation
800
x89429
143B
Help Kingdom of Far Far Away 2
implementation
,
strings
1200
x4919
143A
Help Vasilisa the Wise 2
brute force
,
math
1000
x13091
142E
Help Greg the Dwarf 2
geometry
3000
x79
142D
Help Shrek and Donkey 2
games
2600
x337
142C
Help Caretaker
brute force
,
dp
2300
x901
142B
Help General
constructive algorithms
,
greedy
,
implementation
1800
x2137
142A
Help Farmer
brute force
,
math
1600
x2577
141E
Clearing Up
constructive algorithms
,
dp
,
dsu
,
graphs
2300
x834
141D
Take-off Ramps
graphs
,
shortest paths
2300
x867
141C
Queue
constructive algorithms
,
greedy
,
sortings
1800
x2371
141B
Hopscotch
geometry
,
math
1400
x5145
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78209
140F
New Year Snowflake
geometry
,
sortings
2600
x361
140E
New Year Garland
combinatorics
,
dp
2600
x873
140D
New Year Contest
greedy
,
sortings
1800
x2194
140C
New Year Snowmen
binary search
,
data structures
,
greedy
1800
x4202
140B
New Year Cards
brute force
,
greedy
,
implementation
1800
x1478
140A
New Year Table
geometry
,
math
1700
x4090
139B
Wallpaper
implementation
,
math
1600
x1274
139A
Petr and Book
implementation
1000
x28791
138E
Hellish Constraints
brute force
,
dp
,
two pointers
2900
x165
138D
World of Darkraft
dp
,
games
2500
x470
138C
Mushroom Gnomes - 2
binary search
,
data structures
,
probabilities
,
sortings
2200
x845
138B
Digits Permutations
greedy
1900
x1006
138A
Literature Lesson
implementation
1600
x2342
137E
Last Chance
data structures
,
implementation
,
strings
2000
x1190
137D
Palindromes
dp
,
strings
1900
x1476
137C
History
sortings
1500
x7074
137B
Permutation
greedy
1000
x13325
137A
Postcards and photos
implementation
900
x6918
136B
Ternary Logic
implementation
,
math
1100
x4705
136A
Presents
implementation
800
x109693
135E
Weak Subsequence
combinatorics
3000
x264
135D
Cycle
brute force
,
dfs and similar
,
implementation
2500
x293
135C
Zero-One
constructive algorithms
,
games
,
greedy
1900
x1322
135B
Rectangle and Square
brute force
,
geometry
,
math
1600
x2297
135A
Replacement
greedy
,
implementation
,
sortings
1300
x7445
134C
Swaps
constructive algorithms
,
graphs
,
greedy
2200
x459
134B
Pairs of Numbers
brute force
,
dfs and similar
,
math
,
number theory
1900
x1921
134A
Average Numbers
brute force
,
implementation
1200
x3811
133B
Unary
implementation
1200
x8644
133A
HQ9+
implementation
900
x100387
132E
Bits of merry old England
flows
,
graphs
2700
x521
132D
Constants in the language of Shakespeare
constructive algorithms
,
dp
,
greedy
2100
x604
132C
Logo Turtle
dp
1800
x2275
132B
Piet
implementation
2100
x471
132A
Turing Tape
implementation
1300
x2738
131F
Present to Mom
binary search
,
two pointers
2000
x601
131E
Yet Another Task with Queens
sortings
1700
x1815
131D
Subway
dfs and similar
,
graphs
1600
x4514
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Codeforces Round 946 (Div. 3)
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strings
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two pointers
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