| 1463-D |
Pairs
|
binary search
constructive algorithms
greedy
+1
|
1900
|
| 1463-C |
Busy Robot
|
implementation
|
1800
|
| 1463-B |
Find The Array
|
bitmasks
constructive algorithms
greedy
|
1400
|
| 1463-A |
Dungeon
|
binary search
math
|
1100
|
| 1462-F |
The Treasure of The Segments
|
binary search
data structures
greedy
|
1800
|
| 1462-E2 |
Close Tuples (hard version)
|
binary search
combinatorics
implementation
+3
|
1700
|
| 1462-E1 |
Close Tuples (easy version)
|
binary search
combinatorics
math
+2
|
1500
|
| 1462-D |
Add to Neighbour and Remove
|
greedy
math
number theory
|
1400
|
| 1462-C |
Unique Number
|
brute force
greedy
math
|
900
|
| 1462-B |
Last Year's Substring
|
dp
implementation
strings
|
800
|
| 1462-A |
Favorite Sequence
|
implementation
two pointers
|
800
|
| 1461-F |
Mathematical Expression
|
constructive algorithms
dp
greedy
|
2700
|
| 1461-E |
Water Level
|
brute force
graphs
greedy
+2
|
2200
|
| 1461-D |
Divide and Summarize
|
binary search
brute force
data structures
+3
|
1600
|
| 1461-C |
Random Events
|
dp
math
probabilities
|
1500
|
| 1461-B |
Find the Spruce
|
brute force
dp
implementation
|
1400
|
| 1461-A |
String Generation
|
constructive algorithms
greedy
|
800
|
| 1459-B |
Move and Turn
|
dp
math
|
1300
|
| 1459-A |
Red-Blue Shuffle
|
math
probabilities
|
800
|
| 1458-F |
Range Diameter Sum
|
data structures
trees
|
3500
|
| 1458-E |
Nim Shortcuts
|
data structures
games
|
3100
|
| 1458-D |
Flip and Reverse
|
data structures
graphs
greedy
|
3100
|
| 1458-C |
Latin Square
|
math
matrices
|
2700
|
| 1458-B |
Glass Half Spilled
|
dp
|
2000
|
| 1458-A |
Row GCD
|
math
number theory
|
1600
|
| 1456-E |
XOR-ranges
|
dp
greedy
|
3500
|
| 1455-G |
Forbidden Value
|
data structures
dp
|
2900
|
| 1455-F |
String and Operations
|
dp
greedy
|
2800
|
| 1455-E |
Four Points
|
brute force
constructive algorithms
flows
+5
|
2400
|
| 1455-D |
Sequence and Swaps
|
dp
greedy
sortings
|
1600
|
| 1455-C |
Ping-pong
|
constructive algorithms
games
math
|
1100
|
| 1455-B |
Jumps
|
constructive algorithms
math
|
1200
|
| 1455-A |
Strange Functions
|
math
number theory
|
800
|
| 1454-F |
Array Partition
|
binary search
data structures
greedy
+1
|
2100
|
| 1454-E |
Number of Simple Paths
|
combinatorics
dfs and similar
graphs
+1
|
2000
|
| 1454-D |
Number into Sequence
|
constructive algorithms
math
number theory
|
1300
|
| 1454-C |
Sequence Transformation
|
greedy
implementation
|
1200
|
| 1454-B |
Unique Bid Auction
|
implementation
|
800
|
| 1454-A |
Special Permutation
|
constructive algorithms
probabilities
|
800
|
| 1453-F |
Even Harder
|
dp
|
2700
|
| 1453-E |
Dog Snacks
|
binary search
dfs and similar
dp
+2
|
2300
|
| 1453-D |
Checkpoints
|
brute force
constructive algorithms
greedy
+2
|
1900
|
| 1453-C |
Triangles
|
greedy
implementation
|
1700
|
| 1453-B |
Suffix Operations
|
constructive algorithms
implementation
|
1400
|
| 1453-A |
Cancel the Trains
|
implementation
|
800
|
| 1452-G |
Game On Tree
|
data structures
dfs and similar
greedy
+1
|
2700
|
| 1452-F |
Divide Powers
|
constructive algorithms
greedy
|
2900
|
| 1452-E |
Two Editorials
|
brute force
dp
greedy
+2
|
2500
|
| 1452-D |
Radio Towers
|
combinatorics
dp
math
|
1600
|
| 1452-C |
Two Brackets
|
greedy
|
800
|