Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
551E
GukiZ and GukiZiana
binary search
,
data structures
,
implementation
2500
x1648
551D
GukiZ and Binary Operations
combinatorics
,
implementation
,
math
,
matrices
,
number theory
2100
x1722
551C
GukiZ hates Boxes
binary search
,
greedy
2200
x3433
551B
ZgukistringZ
brute force
,
constructive algorithms
,
implementation
,
strings
1800
x3759
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x15988
550E
Brackets in Implications
constructive algorithms
,
greedy
,
implementation
,
math
2200
x1376
550D
Regular Bridge
constructive algorithms
,
graphs
,
implementation
1900
x3238
550C
Divisibility by Eight
brute force
,
dp
,
math
1500
x27186
550B
Preparing Olympiad
bitmasks
,
brute force
1400
x19384
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x36159
549H
Degenerate Matrix
binary search
,
math
2100
x1785
549G
Happy Line
constructive algorithms
,
greedy
,
sortings
2200
x2391
549F
Yura and Developers
data structures
,
divide and conquer
2800
x848
549E
Sasha Circle
geometry
,
math
2700
x145
549D
Haar Features
greedy
,
implementation
1900
x2124
549C
The Game Of Parity
games
2200
x1715
549B
Looksery Party
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
2300
x1474
549A
Face Detection
implementation
,
strings
900
x9340
548B
Mike and Fun
brute force
,
dp
,
greedy
,
implementation
1400
x8264
548A
Mike and Fax
brute force
,
implementation
,
strings
1100
x9830
547E
Mike and Friends
data structures
,
string suffix structures
,
strings
,
trees
2800
x1930
547D
Mike and Fish
constructive algorithms
,
dfs and similar
,
graphs
2600
x2415
547C
Mike and Foam
bitmasks
,
combinatorics
,
dp
,
math
,
number theory
2300
x2701
547B
Mike and Feet
binary search
,
data structures
,
dp
,
dsu
1900
x8189
547A
Mike and Frog
brute force
,
greedy
,
implementation
,
math
2200
x2310
546E
Soldier and Traveling
flows
,
graphs
,
math
2100
x3439
546D
Soldier and Number Game
constructive algorithms
,
dp
,
math
,
number theory
1700
x11192
546C
Soldier and Cards
brute force
,
dfs and similar
,
games
1400
x17033
546B
Soldier and Badges
brute force
,
greedy
,
implementation
,
sortings
1200
x17159
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x166752
545E
Paths and Trees
graphs
,
greedy
,
shortest paths
2000
x4376
545D
Queue
greedy
,
implementation
,
sortings
1300
x23931
545C
Woodcutters
dp
,
greedy
1500
x26158
545B
Equidistant String
greedy
1100
x11404
545A
Toy Cars
implementation
900
x11412
544B
Sea and Islands
constructive algorithms
,
implementation
1400
x7804
544A
Set of Strings
implementation
,
strings
1100
x7716
543E
Listening to Music
constructive algorithms
,
data structures
3200
x276
543D
Road Improvement
dp
,
trees
2300
x2530
543C
Remembering Strings
bitmasks
,
dp
2500
x1350
543B
Destroying Roads
constructive algorithms
,
graphs
,
shortest paths
2100
x3829
543A
Writing Code
dp
1800
x7665
542F
Quest
dp
,
greedy
2100
x734
542E
Playing on Graph
graphs
,
shortest paths
2600
x806
542D
Superhero's Job
dfs and similar
,
dp
,
hashing
,
math
,
number theory
2600
x494
542C
Idempotent functions
constructive algorithms
,
graphs
,
math
2000
x1096
542B
Duck Hunt
data structures
3100
x125
542A
Place Your Ad Here
data structures
,
sortings
2400
x520
540E
Infinite Inversions
binary search
,
data structures
,
implementation
,
sortings
,
trees
2100
x2005
540D
Bad Luck Island
dp
,
probabilities
1900
x5153
540C
Ice Cave
dfs and similar
2000
x6986
540B
School Marks
greedy
,
implementation
1700
x4597
540A
Combination Lock
implementation
800
x31435
538H
Summer Dichotomy
2-sat
,
data structures
,
dfs and similar
,
greedy
3200
x602
538G
Berserk Robot
constructive algorithms
,
math
,
sortings
3100
x441
538F
A Heap of Heaps
brute force
,
data structures
,
math
,
sortings
2200
x1495
538E
Demiurges Play Again
dfs and similar
,
dp
,
math
,
trees
2200
x1496
538D
Weird Chess
brute force
,
constructive algorithms
,
implementation
1800
x2406
538C
Tourist's Notes
binary search
,
brute force
,
greedy
,
implementation
,
math
1600
x5756
538B
Quasi Binary
constructive algorithms
,
dp
,
greedy
,
implementation
1400
x17571
538A
Cutting Banner
brute force
,
implementation
1400
x7046
536E
Tavas on the Path
data structures
,
divide and conquer
,
trees
3100
x371
536D
Tavas in Kansas
dp
,
games
2900
x708
535E
Tavas and Pashmaks
geometry
,
math
2600
x797
535D
Tavas and Malekas
greedy
,
hashing
,
string suffix structures
,
strings
1900
x3713
535C
Tavas and Karafs
binary search
,
greedy
,
math
1900
x3702
535B
Tavas and SaDDas
bitmasks
,
brute force
,
combinatorics
,
implementation
1100
x21550
535A
Tavas and Nafas
brute force
,
implementation
1000
x11810
534F
Simplified Nonogram
bitmasks
,
dp
,
hashing
,
meet-in-the-middle
2400
x438
534E
Berland Local Positioning System
constructive algorithms
,
greedy
,
hashing
,
implementation
2400
x341
534D
Handshakes
binary search
,
constructive algorithms
,
data structures
,
greedy
1900
x2367
534C
Polycarpus' Dice
math
1600
x4923
534B
Covered Path
dp
,
greedy
,
math
1400
x9837
534A
Exam
constructive algorithms
,
implementation
,
math
1100
x12006
533F
Encoding
hashing
,
string suffix structures
,
strings
2400
x862
533E
Correcting Mistakes
constructive algorithms
,
dp
,
greedy
,
hashing
,
strings
,
two pointers
1800
x2169
533D
Landmarks
data structures
,
dp
3000
x215
533C
Board Game
games
,
greedy
,
implementation
,
math
1700
x2141
533B
Work Group
dfs and similar
,
dp
,
graphs
,
strings
,
trees
2000
x2299
533A
Berland Miners
binary search
,
data structures
,
dfs and similar
,
greedy
,
trees
3000
x345
530I
Different variables
*special problem
2500
x43
530H
Points in triangle
*special problem
,
geometry
2100
x119
530G
Levenshtein distance
*special problem
2100
x146
530F
Jumping frogs
*special problem
2100
x97
530E
Sum and product
*special problem
1700
x302
530D
Set subtraction
*special problem
1600
x446
530C
Diophantine equation
*special problem
1500
x539
530B
String inside out
*special problem
1600
x537
530A
Quadratic equation
*special problem
1500
x667
529B
Group Photo 2 (online mirror version)
brute force
,
greedy
,
sortings
1900
x853
528E
Triangles 3000
geometry
,
sortings
3100
x214
528D
Fuzzy Search
bitmasks
,
brute force
,
fft
2500
x2044
527E
Data Center Drama
dfs and similar
,
graphs
2600
x1803
527D
Clique Problem
data structures
,
dp
,
greedy
,
implementation
,
sortings
1800
x4645
527C
Glass Carving
binary search
,
data structures
,
implementation
1500
x6646
527B
Error Correct System
greedy
1500
x3855
527A
Playing with Paper
implementation
,
math
1100
x14079
526G
Spiders Evil Plan
greedy
,
trees
3300
x689
526F
Pudding Monsters
data structures
,
divide and conquer
3000
x2300
526E
Transmitting Levels
dp
,
implementation
2400
x1052
←
1
2
...
70
71
72
73
74
...
94
95
→
→ Pay attention
Before contest
Codeforces Round 941 (Div. 1)
24:48:20
Register now »
*has extra registration
Before contest
Codeforces Round 941 (Div. 2)
24:48:20
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
combine-tags-by-or
*combine tags by OR
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
Add tag
User lists
Name