| 398-E |
Sorting Permutations
|
|
—
|
| 398-D |
Instant Messanger
|
data structures
|
—
|
| 398-C |
Tree and Array
|
constructive algorithms
|
—
|
| 398-B |
Painting The Wall
|
dp
probabilities
|
—
|
| 398-A |
Cards
|
constructive algorithms
implementation
|
—
|
| 397-B |
On Corruption and Numbers
|
constructive algorithms
implementation
math
|
—
|
| 397-A |
On Segment's Own Points
|
implementation
|
—
|
| 396-E |
On Iteration of One Well-Known Function
|
math
|
—
|
| 396-D |
On Sum of Number of Inversions in Permutations
|
combinatorics
math
|
—
|
| 396-C |
On Changing Tree
|
data structures
graphs
trees
|
—
|
| 396-B |
On Sum of Fractions
|
math
number theory
|
—
|
| 396-A |
On Number of Decompositions into Multipliers
|
combinatorics
math
number theory
|
—
|
| 394-E |
Lightbulb for Minister
|
geometry
|
—
|
| 394-D |
Physical Education and Buns
|
brute force
implementation
math
|
—
|
| 394-C |
Dominoes
|
constructive algorithms
greedy
|
—
|
| 394-B |
Very Beautiful Number
|
math
|
—
|
| 394-A |
Counting Sticks
|
brute force
implementation
|
—
|
| 393-B |
Three matrices
|
|
—
|
| 393-A |
Nineteen
|
|
—
|
| 392-E |
Deleting Substrings
|
|
—
|
| 392-D |
Three Arrays
|
data structures
|
—
|
| 392-C |
Yet Another Number Sequence
|
combinatorics
math
matrices
|
—
|
| 392-B |
Tower of Hanoi
|
dp
|
—
|
| 392-A |
Blocked Points
|
math
|
—
|
| 391-F3 |
Stock Trading
|
|
—
|
| 391-F2 |
Stock Trading
|
greedy
|
—
|
| 391-F1 |
Stock Trading
|
dp
|
—
|
| 391-E2 |
Three Trees
|
|
—
|
| 391-E1 |
Three Trees
|
|
—
|
| 391-D2 |
Supercollider
|
data structures
|
—
|
| 391-D1 |
Supercollider
|
brute force
|
—
|
| 391-C3 |
The Tournament
|
|
—
|
| 391-C2 |
The Tournament
|
greedy
|
—
|
| 391-C1 |
The Tournament
|
brute force
|
—
|
| 391-B |
Word Folding
|
brute force
|
—
|
| 391-A |
Genetic Engineering
|
implementation
two pointers
|
—
|
| 390-E |
Inna and Large Sweet Matrix
|
|
—
|
| 390-D |
Inna and Sweet Matrix
|
constructive algorithms
|
—
|
| 390-C |
Inna and Candy Boxes
|
data structures
|
—
|
| 390-B |
Inna, Dima and Song
|
implementation
|
—
|
| 390-A |
Inna and Alarm Clock
|
implementation
|
—
|
| 389-B |
Fox and Cross
|
greedy
implementation
|
1100
|
| 389-A |
Fox and Number Game
|
greedy
math
|
1000
|
| 388-E |
Fox and Meteor Shower
|
geometry
|
3100
|
| 388-D |
Fox and Perfect Sets
|
math
|
2700
|
| 388-C |
Fox and Card Game
|
games
greedy
sortings
|
2000
|
| 388-B |
Fox and Minimal path
|
bitmasks
constructive algorithms
graphs
+2
|
1900
|
| 388-A |
Fox and Box Accumulation
|
greedy
sortings
|
1400
|
| 387-E |
George and Cards
|
binary search
data structures
|
2200
|
| 387-D |
George and Interesting Graph
|
graph matchings
|
2200
|