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Codeforces Round #792 (Div. 1 + Div. 2)
29:34:35
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Difficulty:
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sortings
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
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Custom test
Problems
#
Name
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x124838
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x51995
1399A
Remove Smallest
greedy
,
sortings
800
x43322
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x41535
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x39323
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x37986
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x36488
1360B
Honest Coach
greedy
,
sortings
800
x35121
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x26874
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x25131
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x23862
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x23640
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x23520
1676B
Equal Candies
greedy
,
math
,
sortings
800
x23270
1220A
Cards
implementation
,
sortings
,
strings
800
x22926
1669B
Triple
implementation
,
sortings
800
x22832
1487A
Arena
implementation
,
sortings
800
x22549
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x21938
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x21418
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x20911
1092B
Teams Forming
sortings
800
x20659
1552A
Subsequence Permutation
sortings
,
strings
800
x20551
1041A
Heist
greedy
,
implementation
,
sortings
800
x20240
1206A
Choose Two Numbers
math
,
sortings
800
x20134
1637A
Sorting Parts
brute force
,
sortings
800
x19642
1430B
Barrels
greedy
,
implementation
,
sortings
800
x17380
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x17183
1445A
Array Rearrangment
greedy
,
sortings
800
x16979
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x16851
1656A
Good Pairs
math
,
sortings
800
x16478
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x16272
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x15877
984A
Game
sortings
800
x15868
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x15365
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x14339
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x14090
609A
Флеш-карты
greedy
,
implementation
,
sortings
800
x13868
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x12878
937A
Olympiad
implementation
,
sortings
800
x12546
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x11791
992A
Nastya and an Array
implementation
,
sortings
800
x11175
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5340
169A
Chores
sortings
800
x5198
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x4696
160A
Twins
greedy
,
sortings
900
x77427
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x60734
34B
Sale
greedy
,
sortings
900
x30603
149A
Business trip
greedy
,
implementation
,
sortings
900
x27006
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x23061
1420A
Cubes Sorting
math
,
sortings
900
x19909
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x18212
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x17232
1216B
Shooting
greedy
,
implementation
,
sortings
900
x15308
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x14997
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x14882
1427A
Avoiding Zero
math
,
sortings
900
x14808
1144B
Parity Alternated Deletions
greedy
,
implementation
,
sortings
900
x14337
1248B
Grow The Tree
greedy
,
math
,
sortings
900
x14098
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x14024
807A
Is it rated?
implementation
,
sortings
900
x13896
572A
Arrays
sortings
900
x13719
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x13585
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x12555
1584C
Two Arrays
greedy
,
math
,
sortings
900
x12340
1197A
DIY Wooden Ladder
greedy
,
math
,
sortings
900
x12243
1668B
Social Distance
greedy
,
math
,
sortings
900
x11851
1025A
Doggo Recoloring
implementation
,
sortings
900
x11621
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x11557
1132B
Discounts
greedy
,
sortings
900
x10660
991B
Getting an A
greedy
,
sortings
900
x10588
1011A
Stages
greedy
,
implementation
,
sortings
900
x10379
814A
An abandoned sentiment from past
constructive algorithms
,
greedy
,
implementation
,
sortings
900
x9108
63A
Sinking Ship
implementation
,
sortings
,
strings
900
x8462
246A
Buggy Sorting
constructive algorithms
,
greedy
,
sortings
900
x7683
263B
Squares
greedy
,
implementation
,
sortings
900
x7667
653A
Bear and Three Balls
brute force
,
implementation
,
sortings
900
x6734
412B
Network Configuration
greedy
,
sortings
900
x4185
230A
Dragons
greedy
,
sortings
1000
x49538
1358B
Maria Breaks the Self-isolation
greedy
,
sortings
1000
x22018
766B
Mahmoud and a Triangle
constructive algorithms
,
geometry
,
greedy
,
math
,
number theory
,
sortings
1000
x21657
1312B
Bogosort
constructive algorithms
,
sortings
1000
x19831
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x18615
1607C
Minimum Extraction
brute force
,
sortings
1000
x18540
37A
Towers
sortings
1000
x17875
1300B
Assigning to Classes
greedy
,
implementation
,
sortings
1000
x17188
1165B
Polycarp Training
data structures
,
greedy
,
sortings
1000
x16526
1622B
Berland Music
data structures
,
greedy
,
math
,
sortings
1000
x16354
1613B
Absent Remainder
greedy
,
implementation
,
sortings
1000
x16254
1438B
Valerii Against Everyone
constructive algorithms
,
data structures
,
greedy
,
sortings
1000
x15701
1614B
Divan and a New Project
constructive algorithms
,
sortings
1000
x14366
1174A
Ehab Fails to Be Thanos
constructive algorithms
,
greedy
,
sortings
1000
x14175
1605B
Reverse Sort
greedy
,
sortings
1000
x14033
560A
Currency System in Geraldion
implementation
,
sortings
1000
x13915
507A
Amr and Music
greedy
,
implementation
,
sortings
1000
x13432
1671B
Consecutive Points Segment
brute force
,
math
,
sortings
1000
x12945
1144C
Two Shuffled Sequences
constructive algorithms
,
sortings
1000
x12750
1088B
Ehab and subtraction
implementation
,
sortings
1000
x11117
1117B
Emotes
greedy
,
math
,
sortings
1000
x10904
157B
Trace
geometry
,
sortings
1000
x10755
1155A
Reverse a Substring
implementation
,
sortings
,
strings
1000
x10647
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