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Problems
#
Name
686B
Little Robber Girl's Zoo
constructive algorithms
,
implementation
,
sortings
1100
x7716
624B
Making a String
greedy
,
sortings
1100
x7903
12B
Correct Solution?
implementation
,
sortings
1100
x8013
735B
Urbanization
greedy
,
number theory
,
sortings
1100
x8302
792A
New Bus Route
implementation
,
sortings
1100
x8744
155B
Combination
greedy
,
sortings
1100
x10011
785B
Anton and Classes
greedy
,
sortings
1100
x10136
558A
Lala Land and Apple Trees
brute force
,
implementation
,
sortings
1100
x10175
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10921
721B
Passwords
implementation
,
math
,
sortings
,
strings
1100
x11975
1904B
Collecting Game
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1100
x12835
362B
Petya and Staircases
implementation
,
sortings
1100
x13505
160B
Unlucky Ticket
greedy
,
sortings
1100
x13576
1189B
Number Circle
greedy
,
math
,
sortings
1100
x13753
1566D1
Seating Arrangements (easy version)
data structures
,
greedy
,
sortings
1100
x13769
1623B
Game on Ranges
brute force
,
dfs and similar
,
implementation
,
sortings
1100
x13906
1417B
Two Arrays
greedy
,
math
,
sortings
1100
x14331
1869B
2D Traveling
geometry
,
math
,
shortest paths
,
sortings
1100
x14402
1839B
Lamps
greedy
,
sortings
1100
x14488
1863B
Split Sort
greedy
,
math
,
sortings
1100
x14570
1864B
Swap and Reverse
constructive algorithms
,
greedy
,
sortings
,
strings
1100
x14752
242B
Big Segment
implementation
,
sortings
1100
x15207
1891B
Deja Vu
brute force
,
math
,
sortings
1100
x15784
1625B
Elementary Particles
brute force
,
greedy
,
sortings
1100
x15859
1762B
Make Array Good
constructive algorithms
,
implementation
,
number theory
,
sortings
1100
x16193
1685A
Circular Local MiniMax
constructive algorithms
,
greedy
,
sortings
1100
x16486
166A
Rank List
binary search
,
implementation
,
sortings
1100
x16777
1682B
AND Sorting
bitmasks
,
constructive algorithms
,
sortings
1100
x17223
1015C
Songs Compression
sortings
1100
x17315
1827A
Counting Orders
combinatorics
,
math
,
sortings
,
two pointers
1100
x17484
1807G2
Subsequence Addition (Hard Version)
bitmasks
,
dp
,
greedy
,
implementation
,
sortings
1100
x17710
1579B
Shifting Sort
implementation
,
sortings
1100
x17816
988B
Substrings Sort
sortings
,
strings
1100
x17853
1807G1
Subsequence Addition (Easy Version)
brute force
,
data structures
,
dp
,
greedy
,
implementation
,
sortings
1100
x17862
1712C
Sort Zero
greedy
,
sortings
1100
x19222
1920B
Summation Game
games
,
greedy
,
math
,
sortings
1100
x19265
1862C
Flower City Fence
binary search
,
data structures
,
implementation
,
sortings
1100
x19651
1832B
Maximum Sum
brute force
,
sortings
,
two pointers
1100
x19651
1921D
Very Different Array
data structures
,
greedy
,
sortings
,
two pointers
1100
x19972
1529B
Sifid and Strange Subsequences
greedy
,
math
,
sortings
1100
x20340
1638B
Odd Swap Sort
data structures
,
math
,
sortings
1100
x20416
1791G1
Teleporters (Easy Version)
greedy
,
sortings
1100
x20533
1722D
Line
greedy
,
sortings
1100
x22283
1557B
Moamen and k-subarrays
greedy
,
sortings
1100
x22827
1873E
Building an Aquarium
binary search
,
sortings
1100
x23029
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x24680
1334B
Middle Class
greedy
,
sortings
1100
x25204
1791E
Negatives and Positives
dp
,
greedy
,
sortings
1100
x25642
1360C
Similar Pairs
constructive algorithms
,
graph matchings
,
greedy
,
sortings
1100
x31705
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x33296
519B
A and B and Compilation Errors
data structures
,
implementation
,
sortings
1100
x37740
456A
Laptops
sortings
1100
x45491
1970A1
Balanced Shuffle (Easy)
implementation
,
sortings
1000
x1623
981B
Businessmen Problems
sortings
1000
x6777
967B
Watering System
math
,
sortings
1000
x6832
234B
Reading
sortings
1000
x6980
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x7749
909A
Generate Login
brute force
,
greedy
,
sortings
1000
x9153
652B
z-sort
sortings
1000
x9847
1008B
Turn the Rectangles
greedy
,
sortings
1000
x11242
864A
Fair Game
implementation
,
sortings
1000
x11534
1725B
Basketball Together
binary search
,
greedy
,
sortings
1000
x11715
1088B
Ehab and subtraction
implementation
,
sortings
1000
x12347
157B
Trace
geometry
,
sortings
1000
x12857
1781B
Going to the Cinema
brute force
,
greedy
,
sortings
1000
x13223
1155A
Reverse a Substring
implementation
,
sortings
,
strings
1000
x13532
1117B
Emotes
greedy
,
math
,
sortings
1000
x13817
1876A
Helmets in Night Light
greedy
,
sortings
1000
x14825
1144C
Two Shuffled Sequences
constructive algorithms
,
sortings
1000
x14955
560A
Currency System in Geraldion
implementation
,
sortings
1000
x16832
507A
Amr and Music
greedy
,
implementation
,
sortings
1000
x17030
1174A
Ehab Fails to Be Thanos
constructive algorithms
,
greedy
,
sortings
1000
x17210
1605B
Reverse Sort
greedy
,
sortings
1000
x17646
1614B
Divan and a New Project
constructive algorithms
,
sortings
1000
x17885
1671B
Consecutive Points Segment
brute force
,
math
,
sortings
1000
x18119
1438B
Valerii Against Everyone
constructive algorithms
,
data structures
,
greedy
,
sortings
1000
x18452
1165B
Polycarp Training
data structures
,
greedy
,
sortings
1000
x20341
1622B
Berland Music
data structures
,
greedy
,
math
,
sortings
1000
x20537
1713B
Optimal Reduction
constructive algorithms
,
sortings
1000
x20729
1613B
Absent Remainder
greedy
,
implementation
,
sortings
1000
x21191
1300B
Assigning to Classes
greedy
,
implementation
,
sortings
1000
x22245
1849B
Monsters
greedy
,
math
,
sortings
1000
x22714
37A
Towers
sortings
1000
x23577
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x23613
1955B
Progressive Square
constructive algorithms
,
data structures
,
implementation
,
sortings
1000
x23645
1859B
Olya and Game with Arrays
constructive algorithms
,
greedy
,
math
,
sortings
1000
x24314
1607C
Minimum Extraction
brute force
,
sortings
1000
x24336
1358B
Maria Breaks the Self-isolation
greedy
,
sortings
1000
x24656
1312B
Bogosort
constructive algorithms
,
sortings
1000
x24699
766B
Mahmoud and a Triangle
constructive algorithms
,
geometry
,
greedy
,
math
,
number theory
,
sortings
1000
x31145
230A
Dragons
greedy
,
sortings
1000
x74416
412B
Network Configuration
greedy
,
sortings
900
x5269
653A
Bear and Three Balls
brute force
,
implementation
,
sortings
900
x8004
263B
Squares
greedy
,
implementation
,
sortings
900
x8718
246A
Buggy Sorting
constructive algorithms
,
greedy
,
sortings
900
x9052
814A
An abandoned sentiment from past
constructive algorithms
,
greedy
,
implementation
,
sortings
900
x10252
63A
Sinking Ship
implementation
,
sortings
,
strings
900
x10877
1011A
Stages
greedy
,
implementation
,
sortings
900
x11934
991B
Getting an A
greedy
,
sortings
900
x12310
1132B
Discounts
greedy
,
sortings
900
x12735
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