| 1439-B |
Graph Subset Problem
|
constructive algorithms
data structures
graphs
|
2600
|
| 1439-A2 |
Binary Table (Hard Version)
|
constructive algorithms
graphs
greedy
+1
|
1900
|
| 1439-A1 |
Binary Table (Easy Version)
|
constructive algorithms
implementation
|
1500
|
| 1438-F |
Olha and Igor
|
interactive
probabilities
trees
|
3000
|
| 1438-E |
Yurii Can Do Everything
|
binary search
bitmasks
brute force
+3
|
2500
|
| 1438-D |
Powerful Ksenia
|
bitmasks
constructive algorithms
math
|
2200
|
| 1438-C |
Engineer Artem
|
2-sat
chinese remainder theorem
constructive algorithms
+2
|
2000
|
| 1438-B |
Valerii Against Everyone
|
constructive algorithms
data structures
greedy
+1
|
1000
|
| 1438-A |
Specific Tastes of Andre
|
constructive algorithms
implementation
|
800
|
| 1437-G |
Death DBMS
|
data structures
string suffix structures
strings
+1
|
2600
|
| 1437-F |
Emotional Fishermen
|
combinatorics
dp
math
+1
|
2600
|
| 1437-E |
Make It Increasing
|
binary search
constructive algorithms
data structures
+2
|
2200
|
| 1437-D |
Minimal Height Tree
|
graphs
greedy
shortest paths
+1
|
1600
|
| 1437-C |
Chef Monocarp
|
dp
flows
graph matchings
+3
|
1800
|
| 1437-B |
Reverse Binary Strings
|
constructive algorithms
greedy
|
1200
|
| 1437-A |
Marketing Scheme
|
brute force
constructive algorithms
greedy
+1
|
800
|
| 1436-F |
Sum Over Subsets
|
combinatorics
math
number theory
|
2800
|
| 1436-E |
Complicated Computations
|
binary search
data structures
two pointers
|
2400
|
| 1436-D |
Bandit in a City
|
binary search
dfs and similar
graphs
+2
|
1900
|
| 1436-C |
Binary Search
|
binary search
combinatorics
|
1500
|
| 1436-B |
Prime Square
|
constructive algorithms
math
|
900
|
| 1436-A |
Reorder
|
math
|
800
|
| 1434-E |
A Convex Game
|
dsu
games
|
3500
|
| 1433-G |
Reducing Delivery Cost
|
brute force
graphs
shortest paths
|
2100
|
| 1433-F |
Zero Remainder Sum
|
dp
|
2100
|
| 1433-E |
Two Round Dances
|
combinatorics
math
|
1300
|
| 1433-D |
Districts Connection
|
constructive algorithms
dfs and similar
|
1200
|
| 1433-C |
Dominant Piranha
|
constructive algorithms
greedy
|
900
|
| 1433-B |
Yet Another Bookshelf
|
greedy
implementation
|
800
|
| 1433-A |
Boring Apartments
|
implementation
math
|
800
|
| 1431-J |
Zero-XOR Array
|
*special
dp
|
3400
|
| 1431-I |
Cyclic Shifts
|
*special
strings
|
2900
|
| 1431-H |
Rogue-like Game
|
*special
brute force
greedy
+1
|
2600
|
| 1431-G |
Number Deletion Game
|
*special
dp
games
+1
|
2100
|
| 1431-F |
Neural Network Problem
|
*special
binary search
greedy
|
2100
|
| 1431-E |
Chess Match
|
*special
|
2000
|
| 1431-D |
Used Markers
|
*special
greedy
|
1500
|
| 1431-C |
Black Friday
|
*special
implementation
|
1600
|
| 1431-B |
Polycarp and the Language of Gods
|
*special
implementation
two pointers
|
1400
|
| 1431-A |
Selling Hamburgers
|
*special
|
800
|
| 1430-G |
Yet Another DAG Problem
|
bitmasks
dfs and similar
dp
+3
|
2600
|
| 1430-F |
Realistic Gameplay
|
dp
greedy
|
2600
|
| 1430-E |
String Reversal
|
data structures
greedy
strings
|
1900
|
| 1430-D |
String Deletion
|
binary search
data structures
greedy
+1
|
1700
|
| 1430-C |
Numbers on Whiteboard
|
constructive algorithms
data structures
greedy
+2
|
1000
|
| 1430-B |
Barrels
|
greedy
implementation
sortings
|
800
|
| 1430-A |
Number of Apartments
|
brute force
constructive algorithms
math
|
900
|
| 1428-H |
Rotary Laser Lock
|
binary search
interactive
|
3500
|
| 1428-G2 |
Lucky Numbers (Hard Version)
|
dp
greedy
|
3000
|
| 1428-G1 |
Lucky Numbers (Easy Version)
|
dp
greedy
|
2900
|