| 452-D |
Washer, Dryer, Folder
|
greedy
implementation
|
1900
|
| 452-C |
Magic Trick
|
combinatorics
math
probabilities
|
2100
|
| 452-B |
4-point polyline
|
brute force
constructive algorithms
geometry
+1
|
1800
|
| 452-A |
Eevee
|
brute force
implementation
strings
|
1000
|
| 451-E |
Devu and Flowers
|
bitmasks
combinatorics
number theory
|
2300
|
| 451-D |
Count Good Substrings
|
math
|
2000
|
| 451-C |
Predict Outcome of the Game
|
brute force
implementation
math
|
1700
|
| 451-B |
Sort the Array
|
implementation
sortings
|
1300
|
| 451-A |
Game With Sticks
|
implementation
|
900
|
| 450-B |
Jzzhu and Sequences
|
implementation
math
|
1300
|
| 450-A |
Jzzhu and Children
|
implementation
|
1000
|
| 449-E |
Jzzhu and Squares
|
dp
math
number theory
|
2900
|
| 449-D |
Jzzhu and Numbers
|
bitmasks
combinatorics
dp
|
2400
|
| 449-C |
Jzzhu and Apples
|
constructive algorithms
number theory
|
2500
|
| 449-B |
Jzzhu and Cities
|
graphs
greedy
shortest paths
|
2000
|
| 449-A |
Jzzhu and Chocolate
|
greedy
math
|
1700
|
| 448-E |
Divisors
|
brute force
dfs and similar
implementation
+1
|
2200
|
| 448-D |
Multiplication Table
|
binary search
brute force
|
1800
|
| 448-C |
Painting Fence
|
divide and conquer
dp
greedy
|
1900
|
| 448-B |
Suffix Structures
|
implementation
strings
|
1400
|
| 448-A |
Rewards
|
implementation
|
800
|
| 447-B |
DZY Loves Strings
|
greedy
implementation
|
1000
|
| 447-A |
DZY Loves Hash
|
implementation
|
800
|
| 446-E |
DZY Loves Bridges
|
math
matrices
|
3100
|
| 446-D |
DZY Loves Games
|
math
matrices
probabilities
|
2800
|
| 446-C |
DZY Loves Fibonacci Numbers
|
data structures
math
number theory
|
2400
|
| 446-B |
DZY Loves Modification
|
brute force
data structures
greedy
|
2000
|
| 446-A |
DZY Loves Sequences
|
dp
implementation
two pointers
|
1600
|
| 445-B |
DZY Loves Chemistry
|
dfs and similar
dsu
greedy
|
1400
|
| 445-A |
DZY Loves Chessboard
|
dfs and similar
implementation
|
1200
|
| 444-E |
DZY Loves Planting
|
binary search
dsu
trees
|
2700
|
| 444-D |
DZY Loves Strings
|
binary search
hashing
strings
+1
|
2500
|
| 444-C |
DZY Loves Colors
|
data structures
|
2400
|
| 444-B |
DZY Loves FFT
|
probabilities
|
2300
|
| 444-A |
DZY Loves Physics
|
greedy
math
|
1600
|
| 443-B |
Kolya and Tandem Repeat
|
brute force
implementation
strings
|
1500
|
| 443-A |
Anton and Letters
|
constructive algorithms
implementation
|
800
|
| 442-E |
Gena and Second Distance
|
geometry
|
3100
|
| 442-D |
Adam and Tree
|
data structures
trees
|
2600
|
| 442-C |
Artem and Array
|
data structures
greedy
|
2500
|
| 442-B |
Andrey and Problem
|
greedy
math
probabilities
|
1800
|
| 442-A |
Borya and Hanabi
|
bitmasks
brute force
implementation
|
1700
|
| 441-E |
Valera and Number
|
bitmasks
dp
math
+1
|
2400
|
| 441-D |
Valera and Swaps
|
constructive algorithms
dsu
graphs
+3
|
2100
|
| 441-C |
Valera and Tubes
|
constructive algorithms
dfs and similar
implementation
|
1500
|
| 441-B |
Valera and Fruits
|
greedy
implementation
|
1400
|
| 441-A |
Valera and Antique Items
|
implementation
|
1000
|
| 440-D |
Berland Federalization
|
dp
trees
|
2200
|
| 440-C |
One-Based Arithmetic
|
brute force
dfs and similar
divide and conquer
|
1800
|
| 440-B |
Balancer
|
greedy
implementation
|
1600
|