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Problems
#
Name
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x199313
160A
Twins
greedy
,
sortings
900
x111312
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94879
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78203
230A
Dragons
greedy
,
sortings
1000
x74643
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71449
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71205
1399A
Remove Smallest
greedy
,
sortings
800
x62989
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56837
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55754
1760A
Medium Number
implementation
,
sortings
800
x54219
1850A
To My Critics
implementation
,
sortings
800
x51515
34B
Sale
greedy
,
sortings
900
x48955
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47672
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x46733
1360B
Honest Coach
greedy
,
sortings
800
x46229
456A
Laptops
sortings
1100
x45614
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45396
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44743
451B
Sort the Array
implementation
,
sortings
1300
x43218
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40589
1669B
Triple
implementation
,
sortings
800
x40136
459B
Pashmak and Flowers
combinatorics
,
implementation
,
sortings
1300
x38582
149A
Business trip
greedy
,
implementation
,
sortings
900
x37908
519B
A and B and Compilation Errors
data structures
,
implementation
,
sortings
1100
x37822
433B
Kuriyama Mirai's Stones
dp
,
implementation
,
sortings
1200
x36531
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35628
1760C
Advantage
data structures
,
implementation
,
sortings
800
x35184
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x33362
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x33069
1971A
My First Sorting Problem
implementation
,
sortings
800
x33033
1692B
All Distinct
greedy
,
sortings
800
x32902
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32901
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32636
977C
Less or Equal
sortings
1200
x32469
1360C
Similar Pairs
constructive algorithms
,
graph matchings
,
greedy
,
sortings
1100
x31752
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31633
766B
Mahmoud and a Triangle
constructive algorithms
,
geometry
,
greedy
,
math
,
number theory
,
sortings
1000
x31236
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29667
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x29049
1220A
Cards
implementation
,
sortings
,
strings
800
x28884
479C
Exams
greedy
,
sortings
1400
x28600
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28568
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28353
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x28172
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x27560
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27496
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x27430
1792A
GamingForces
greedy
,
sortings
800
x27153
1324D
Pair of Topics
binary search
,
data structures
,
sortings
,
two pointers
1400
x26845
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x26245
1487A
Arena
implementation
,
sortings
800
x26202
1472D
Even-Odd Game
dp
,
games
,
greedy
,
sortings
1200
x26129
1791E
Negatives and Positives
dp
,
greedy
,
sortings
1100
x25770
1092B
Teams Forming
sortings
800
x25751
1339B
Sorted Adjacent Differences
constructive algorithms
,
sortings
1200
x25618
1697B
Promo
greedy
,
sortings
900
x25579
1833B
Restore the Weather
greedy
,
sortings
900
x25470
1334B
Middle Class
greedy
,
sortings
1100
x25227
515C
Drazil and Factorial
greedy
,
math
,
sortings
1400
x25022
580B
Kefa and Company
binary search
,
sortings
,
two pointers
1500
x25002
1355B
Young Explorers
dp
,
greedy
,
sortings
1200
x24907
1705A
Mark the Photographer
greedy
,
sortings
800
x24842
1312B
Bogosort
constructive algorithms
,
sortings
1000
x24808
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x24759
1358B
Maria Breaks the Self-isolation
greedy
,
sortings
1000
x24669
1348B
Phoenix and Beauty
constructive algorithms
,
data structures
,
greedy
,
sortings
1400
x24584
1041A
Heist
greedy
,
implementation
,
sortings
800
x24570
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x24522
1859B
Olya and Game with Arrays
constructive algorithms
,
greedy
,
math
,
sortings
1000
x24460
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24379
1607C
Minimum Extraction
brute force
,
sortings
1000
x24368
545D
Queue
greedy
,
implementation
,
sortings
1300
x24135
1822B
Karina and Array
greedy
,
math
,
sortings
800
x24120
276C
Little Girl and Maximum Sum
data structures
,
greedy
,
implementation
,
sortings
1500
x24115
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24106
1955B
Progressive Square
constructive algorithms
,
data structures
,
implementation
,
sortings
1000
x24096
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23913
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23880
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x23719
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x23656
37A
Towers
sortings
1000
x23653
1206A
Choose Two Numbers
math
,
sortings
800
x23540
1552A
Subsequence Permutation
sortings
,
strings
800
x23530
1401C
Mere Array
constructive algorithms
,
math
,
number theory
,
sortings
1300
x23476
1873E
Building an Aquarium
binary search
,
sortings
1100
x23218
1857C
Assembly via Minimums
greedy
,
sortings
1200
x23127
1849B
Monsters
greedy
,
math
,
sortings
1000
x22867
1420A
Cubes Sorting
math
,
sortings
900
x22864
1557B
Moamen and k-subarrays
greedy
,
sortings
1100
x22862
1730A
Planets
data structures
,
greedy
,
sortings
800
x22544
285C
Building Permutation
greedy
,
implementation
,
sortings
1200
x22531
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22461
1722D
Line
greedy
,
sortings
1100
x22338
1300B
Assigning to Classes
greedy
,
implementation
,
sortings
1000
x22299
1374D
Zero Remainder Array
math
,
sortings
,
two pointers
1400
x22275
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x22221
1771A
Hossam and Combinatorics
combinatorics
,
math
,
sortings
900
x22097
1637A
Sorting Parts
brute force
,
sortings
800
x22093
1406B
Maximum Product
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x22076
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