Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round #794 (Div. 1)
07:57:21
Register now »
*has extra registration
Before contest
Codeforces Round #794 (Div. 2)
07:57:21
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
binary search
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
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x50142
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x46618
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x46021
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x36940
1352C
K-th Not Divisible by n
binary search
,
math
1200
x31174
474B
Worms
binary search
,
implementation
1200
x29755
279B
Books
binary search
,
brute force
,
implementation
,
two pointers
1400
x29414
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x27084
466C
Number of Ways
binary search
,
brute force
,
data structures
,
dp
,
two pointers
1700
x26741
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x24104
1366A
Shovels and Swords
binary search
,
greedy
,
math
1100
x23474
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x23072
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x22479
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x22143
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x21717
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x21357
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x20580
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x20531
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x20144
1463A
Dungeon
binary search
,
math
1100
x19370
1538C
Number of Pairs
binary search
,
data structures
,
math
,
two pointers
1300
x19221
1324D
Pair of Topics
binary search
,
data structures
,
sortings
,
two pointers
1400
x19164
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x18672
1566A
Median Maximization
binary search
,
greedy
,
math
800
x18283
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x18281
978C
Letters
binary search
,
implementation
,
two pointers
1000
x17925
580B
Kefa and Company
binary search
,
sortings
,
two pointers
1500
x17900
1593C
Save More Mice
binary search
,
greedy
,
greedy
1000
x17606
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x17240
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x16920
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x16506
1221C
Perfect Team
binary search
,
math
1200
x16009
1476B
Inflation
binary search
,
brute force
,
greedy
,
math
1300
x15917
1288A
Deadline
binary search
,
brute force
,
math
,
ternary search
1100
x15719
1195B
Sport Mafia
binary search
,
brute force
,
math
1000
x15581
1006C
Three Parts of the Array
binary search
,
data structures
,
two pointers
1200
x15517
371C
Hamburgers
binary search
,
brute force
1600
x14392
1613C
Poisoned Dagger
binary search
1200
x14101
1201C
Maximum Median
binary search
,
greedy
,
math
,
sortings
1400
x13844
1354C1
Simple Polygon Embedding
binary search
,
geometry
,
math
,
ternary search
1400
x13783
1293A
ConneR and the A.R.C. Markland-N
binary search
,
brute force
,
implementation
1100
x13766
676C
Vasya and String
binary search
,
dp
,
strings
,
two pointers
1500
x13721
1538F
Interesting Function
binary search
,
dp
,
math
,
number theory
1500
x13534
1490E
Accidental Victory
binary search
,
data structures
,
greedy
1400
x13433
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x13361
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x13296
1260B
Obtain Two Zeroes
binary search
,
math
1300
x13026
1217A
Creating a Character
binary search
,
math
1300
x13001
1498B
Box Fitting
binary search
,
bitmasks
,
data structures
,
greedy
1300
x12951
1669F
Eating Candies
binary search
,
data structures
,
greedy
,
two pointers
1100
x12893
1487D
Pythagorean Triples
binary search
,
brute force
,
math
,
number theory
1500
x12756
1574C
Slay the Dragon
binary search
,
greedy
,
sortings
,
ternary search
1300
x12730
1486B
Eastern Exhibition
binary search
,
geometry
,
shortest paths
,
sortings
1500
x12705
126B
Password
binary search
,
dp
,
hashing
,
string suffix structures
,
strings
1700
x12656
1535C
Unstable String
binary search
,
dp
,
greedy
,
implementation
,
strings
,
two pointers
1400
x12635
251A
Points on Line
binary search
,
combinatorics
,
two pointers
1300
x12531
166A
Rank List
binary search
,
implementation
,
sortings
1100
x12506
1492C
Maximum width
binary search
,
data structures
,
dp
,
greedy
,
two pointers
1500
x12459
1452B
Toy Blocks
binary search
,
greedy
,
math
,
sortings
1400
x12241
1131C
Birthday
binary search
,
greedy
,
sortings
1200
x12198
1301B
Motarack's Birthday
binary search
,
greedy
,
ternary search
1500
x12171
1551B2
Wonderful Coloring - 2
binary search
,
constructive algorithms
,
data structures
,
greedy
1400
x12133
1443C
The Delivery Dilemma
binary search
,
greedy
,
sortings
1400
x11961
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x11938
1530C
Pursuit
binary search
,
brute force
,
greedy
,
sortings
1200
x11933
1419D2
Sage's Birthday (hard version)
binary search
,
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
1500
x11905
743B
Chloe and the sequence
binary search
,
bitmasks
,
constructive algorithms
,
implementation
1200
x11889
1279B
Verse For Santa
binary search
,
brute force
,
implementation
1300
x11828
1628A
Meximum Array
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
two pointers
1400
x11760
1624D
Palindromes Coloring
binary search
,
greedy
,
sortings
,
strings
1400
x11615
1183C
Computer Game
binary search
,
math
1400
x11556
1490F
Equalize the Array
binary search
,
data structures
,
greedy
,
math
,
sortings
1500
x11418
165B
Burning Midnight Oil
binary search
,
implementation
1500
x11389
1263C
Everyone is a Winner!
binary search
,
math
,
meet-in-the-middle
,
number theory
1400
x11333
1359C
Mixing Water
binary search
,
math
1700
x11187
1379B
Dubious Cyrpto
binary search
,
brute force
,
math
,
number theory
1500
x10986
1561C
Deep Down Below
binary search
,
greedy
,
sortings
1300
x10767
1617C
Paprika and Permutation
binary search
,
greedy
,
math
,
sortings
1300
x10717
816B
Karen and Coffee
binary search
,
data structures
,
implementation
1400
x10678
1612C
Chat Ban
binary search
,
math
1300
x10583
1333C
Eugene and an array
binary search
,
data structures
,
implementation
,
two pointers
1700
x10527
96B
Lucky Numbers (easy)
binary search
,
bitmasks
,
brute force
1300
x10523
1042A
Benches
binary search
,
implementation
1100
x10503
1187B
Letters Shop
binary search
,
implementation
,
strings
1300
x10487
1462E1
Close Tuples (easy version)
binary search
,
combinatorics
,
math
,
sortings
,
two pointers
1500
x10471
348A
Mafia
binary search
,
math
,
sortings
1600
x10370
1249C2
Good Numbers (hard version)
binary search
,
greedy
,
math
,
meet-in-the-middle
1500
x10330
1076C
Meme Problem
binary search
,
math
1300
x10329
812C
Sagheer and Nubian Market
binary search
,
sortings
1500
x10145
1671C
Dolce Vita
binary search
,
brute force
,
greedy
,
math
1200
x10066
165C
Another Problem on Strings
binary search
,
brute force
,
dp
,
math
,
strings
,
two pointers
1600
x9971
1416A
k-Amazing Numbers
binary search
,
data structures
,
implementation
,
two pointers
1500
x9886
271B
Prime Matrix
binary search
,
brute force
,
math
,
number theory
1300
x9791
1336B
Xenia and Colorful Gems
binary search
,
greedy
,
math
,
sortings
,
two pointers
1700
x9757
448D
Multiplication Table
binary search
,
brute force
1800
x9740
670D1
Magic Powder - 1
binary search
,
brute force
,
implementation
1400
x9733
1099B
Squares and Segments
binary search
,
constructive algorithms
,
math
1100
x9728
1284B
New Year and Ascent Sequence
binary search
,
combinatorics
,
data structures
,
dp
,
implementation
,
sortings
1400
x9588
701C
They Are Everywhere
binary search
,
strings
,
two pointers
1500
x9561
911B
Two Cakes
binary search
,
brute force
,
implementation
1200
x9488
←
1
2
3
...
7
8
→
User lists
Name