| 894-E |
Ralph and Mushrooms
|
dp
graphs
|
2100
|
| 894-D |
Ralph And His Tour in Binary Country
|
brute force
data structures
trees
|
2200
|
| 894-C |
Marco and GCD Sequence
|
constructive algorithms
math
|
1900
|
| 894-B |
Ralph And His Magic Field
|
combinatorics
constructive algorithms
math
+1
|
1800
|
| 894-A |
QAQ
|
brute force
dp
|
800
|
| 893-F |
Subtree Minimum Query
|
data structures
trees
|
2300
|
| 893-E |
Counting Arrays
|
combinatorics
dp
math
+1
|
2000
|
| 893-D |
Credit Card
|
data structures
dp
greedy
+1
|
1900
|
| 893-C |
Rumor
|
dfs and similar
graphs
greedy
|
1300
|
| 893-B |
Beautiful Divisors
|
brute force
implementation
|
1000
|
| 893-A |
Chess For Three
|
implementation
|
900
|
| 892-B |
Wrath
|
greedy
implementation
two pointers
|
1200
|
| 892-A |
Greed
|
greedy
implementation
|
900
|
| 891-E |
Lust
|
combinatorics
math
matrices
|
3000
|
| 891-D |
Sloth
|
dfs and similar
dp
graph matchings
+1
|
3100
|
| 891-C |
Envy
|
data structures
dsu
graphs
|
2300
|
| 891-B |
Gluttony
|
constructive algorithms
greedy
|
2000
|
| 891-A |
Pride
|
brute force
dp
greedy
+2
|
1500
|
| 889-E |
Mod Mod Mod
|
binary search
dp
math
|
3000
|
| 888-G |
Xor-MST
|
bitmasks
constructive algorithms
data structures
|
2300
|
| 888-F |
Connecting Vertices
|
dp
graphs
|
2500
|
| 888-E |
Maximum Subsequence
|
bitmasks
divide and conquer
meet-in-the-middle
|
1800
|
| 888-D |
Almost Identity Permutations
|
combinatorics
dp
math
|
1600
|
| 888-C |
K-Dominant Character
|
binary search
implementation
two pointers
|
1400
|
| 888-B |
Buggy Robot
|
greedy
|
1000
|
| 888-A |
Local Extrema
|
brute force
implementation
|
800
|
| 887-F |
Row of Models
|
greedy
sortings
|
2500
|
| 887-E |
Little Brother
|
binary search
geometry
sortings
|
2800
|
| 887-D |
Ratings and Reality Shows
|
data structures
two pointers
|
2400
|
| 887-C |
Solution for Cube
|
brute force
implementation
|
1500
|
| 887-B |
Cubes for Masha
|
brute force
implementation
|
1300
|
| 887-A |
Div. 64
|
implementation
|
1000
|
| 886-F |
Symmetric Projections
|
geometry
|
2900
|
| 886-E |
Maximum Element
|
combinatorics
dp
math
|
2400
|
| 886-D |
Restoration of string
|
constructive algorithms
graphs
implementation
|
2000
|
| 886-C |
Petya and Catacombs
|
dsu
greedy
implementation
+1
|
1300
|
| 886-B |
Vlad and Cafes
|
|
1000
|
| 886-A |
ACM ICPC
|
brute force
|
1000
|
| 884-F |
Anti-Palindromize
|
flows
graphs
greedy
|
2500
|
| 884-E |
Binary Matrix
|
dsu
|
2500
|
| 884-D |
Boxes And Balls
|
data structures
greedy
|
2300
|
| 884-C |
Bertown Subway
|
dfs and similar
greedy
math
|
1500
|
| 884-B |
Japanese Crosswords Strike Back
|
implementation
|
1100
|
| 884-A |
Book Reading
|
implementation
|
800
|
| 883-M |
Quadcopter Competition
|
greedy
math
|
1100
|
| 883-L |
Berland.Taxi
|
data structures
|
2500
|
| 883-K |
Road Widening
|
constructive algorithms
greedy
implementation
|
1800
|
| 883-J |
Renovation
|
constructive algorithms
greedy
sortings
|
2400
|
| 883-I |
Photo Processing
|
binary search
dp
|
1900
|
| 883-H |
Palindromic Cut
|
brute force
implementation
strings
|
1800
|