| 489-E |
Hiking
|
binary search
dp
|
2300
|
| 489-D |
Unbearable Controversy of Being
|
brute force
combinatorics
dfs and similar
+1
|
1700
|
| 489-C |
Given Length and Sum of Digits...
|
dp
greedy
implementation
|
1400
|
| 489-B |
BerSU Ball
|
dfs and similar
dp
graph matchings
+3
|
1200
|
| 489-A |
SwapSort
|
greedy
implementation
sortings
|
1200
|
| 488-B |
Candy Boxes
|
brute force
constructive algorithms
math
|
1900
|
| 488-A |
Giga Tower
|
brute force
|
1100
|
| 487-E |
Tourists
|
data structures
dfs and similar
graphs
+1
|
3200
|
| 487-D |
Conveyor Belts
|
data structures
|
2700
|
| 487-C |
Prefix Product Sequence
|
constructive algorithms
math
number theory
|
2300
|
| 487-B |
Strip
|
binary search
data structures
dp
+1
|
2000
|
| 487-A |
Fight the Monster
|
binary search
brute force
implementation
|
1800
|
| 486-E |
LIS of Sequence
|
data structures
dp
greedy
+2
|
2200
|
| 486-D |
Valid Sets
|
dfs and similar
dp
math
+1
|
2100
|
| 486-C |
Palindrome Transformation
|
brute force
greedy
implementation
|
1700
|
| 486-B |
OR in Matrix
|
greedy
hashing
implementation
|
1300
|
| 486-A |
Calculating Function
|
implementation
math
|
800
|
| 485-B |
Valuable Resources
|
brute force
greedy
|
1300
|
| 485-A |
Factory
|
implementation
math
matrices
|
1400
|
| 484-E |
Sign on Fence
|
binary search
constructive algorithms
data structures
|
2500
|
| 484-D |
Kindergarten
|
data structures
dp
greedy
|
2400
|
| 484-C |
Strange Sorting
|
implementation
math
|
2600
|
| 484-B |
Maximum Value
|
binary search
math
sortings
+1
|
2100
|
| 484-A |
Bits
|
bitmasks
constructive algorithms
|
1700
|
| 483-B |
Friends and Presents
|
binary search
math
|
1800
|
| 483-A |
Counterexample
|
brute force
implementation
math
+1
|
1100
|
| 482-E |
ELCA
|
data structures
trees
|
3200
|
| 482-D |
Random Function and Tree
|
combinatorics
dp
trees
|
2700
|
| 482-C |
Game with Strings
|
bitmasks
dp
probabilities
|
2600
|
| 482-B |
Interesting Array
|
constructive algorithms
data structures
trees
|
1800
|
| 482-A |
Diverse Permutation
|
constructive algorithms
greedy
|
1200
|
| 480-E |
Parking Lot
|
data structures
divide and conquer
|
2800
|
| 480-D |
Parcels
|
dp
graphs
|
2600
|
| 479-E |
Riding in a Lift
|
combinatorics
dp
|
1900
|
| 479-D |
Long Jumps
|
binary search
greedy
implementation
|
1700
|
| 479-C |
Exams
|
greedy
sortings
|
1400
|
| 479-B |
Towers
|
brute force
constructive algorithms
greedy
+2
|
1400
|
| 479-A |
Expression
|
brute force
math
|
1000
|
| 478-E |
Wavy numbers
|
brute force
dfs and similar
meet-in-the-middle
+1
|
2900
|
| 478-D |
Red-Green Towers
|
dp
|
2000
|
| 478-C |
Table Decorations
|
greedy
|
1800
|
| 478-B |
Random Teams
|
combinatorics
constructive algorithms
greedy
+1
|
1300
|
| 478-A |
Initial Bet
|
implementation
|
1100
|
| 477-E |
Dreamoon and Notepad
|
data structures
|
3100
|
| 477-D |
Dreamoon and Binary
|
dp
strings
|
2700
|
| 476-E |
Dreamoon and Strings
|
dp
strings
|
2200
|
| 476-D |
Dreamoon and Sets
|
constructive algorithms
greedy
math
|
1900
|
| 476-C |
Dreamoon and Sums
|
math
|
1600
|
| 476-B |
Dreamoon and WiFi
|
bitmasks
brute force
combinatorics
+3
|
1300
|
| 476-A |
Dreamoon and Stairs
|
implementation
math
|
1000
|