| 328-B |
Sheldon and Ice Pieces
|
greedy
|
1500
|
| 328-A |
IQ Test
|
implementation
|
1800
|
| 327-E |
Axis Walking
|
bitmasks
combinatorics
constructive algorithms
+2
|
2300
|
| 327-D |
Block Tower
|
constructive algorithms
dfs and similar
graphs
|
1900
|
| 327-C |
Magic Five
|
combinatorics
math
|
1700
|
| 327-B |
Hungry Sequence
|
math
|
1200
|
| 327-A |
Flipping Game
|
brute force
dp
implementation
|
1200
|
| 325-E |
The Red Button
|
combinatorics
dfs and similar
dsu
+2
|
2800
|
| 325-D |
Reclamation
|
dsu
|
2900
|
| 325-C |
Monsters and Diamonds
|
dfs and similar
graphs
shortest paths
|
2600
|
| 325-B |
Stadium and Games
|
binary search
math
|
1800
|
| 325-A |
Square and Rectangles
|
implementation
|
1500
|
| 323-C |
Two permutations
|
data structures
|
2400
|
| 323-B |
Tournament-graph
|
constructive algorithms
graphs
|
2200
|
| 323-A |
Black-and-White Cube
|
combinatorics
constructive algorithms
|
1600
|
| 322-B |
Ciel and Flowers
|
combinatorics
math
|
1600
|
| 322-A |
Ciel and Dancing
|
greedy
|
1000
|
| 321-E |
Ciel and Gondolas
|
data structures
divide and conquer
dp
|
2600
|
| 321-D |
Ciel and Flipboard
|
dp
greedy
math
|
2900
|
| 321-C |
Ciel the Commander
|
constructive algorithms
dfs and similar
divide and conquer
+2
|
2100
|
| 321-B |
Ciel and Duel
|
dp
flows
greedy
|
1900
|
| 321-A |
Ciel and Robot
|
binary search
implementation
math
|
1700
|
| 320-B |
Ping-Pong (Easy Version)
|
dfs and similar
graphs
|
1500
|
| 320-A |
Magic Numbers
|
brute force
greedy
|
900
|
| 319-E |
Ping-Pong
|
data structures
|
3000
|
| 319-D |
Have You Ever Heard About the Word?
|
greedy
hashing
string suffix structures
+1
|
2800
|
| 319-C |
Kalila and Dimna in the Logging Industry
|
dp
geometry
|
2100
|
| 319-B |
Psychos in a Line
|
data structures
implementation
|
1900
|
| 319-A |
Malek Dance Club
|
combinatorics
math
|
1600
|
| 318-B |
Strings of Power
|
implementation
strings
two pointers
|
1300
|
| 318-A |
Even Odds
|
math
|
900
|
| 317-E |
Princess and Her Shadow
|
constructive algorithms
shortest paths
|
3100
|
| 317-D |
Game with Powers
|
dp
games
|
2300
|
| 317-C |
Balance
|
constructive algorithms
dfs and similar
graphs
+1
|
2500
|
| 317-B |
Ants
|
brute force
implementation
|
2000
|
| 317-A |
Perfect Pair
|
brute force
|
1600
|
| 316-G3 |
Good Substrings
|
string suffix structures
|
2400
|
| 316-G2 |
Good Substrings
|
string suffix structures
|
2200
|
| 316-G1 |
Good Substrings
|
hashing
strings
|
1700
|
| 316-F3 |
Suns and Rays
|
constructive algorithms
dfs and similar
implementation
|
2200
|
| 316-F2 |
Suns and Rays
|
|
2300
|
| 316-F1 |
Suns and Rays
|
dfs and similar
implementation
|
2200
|
| 316-E3 |
Summer Homework
|
data structures
math
|
2300
|
| 316-E2 |
Summer Homework
|
data structures
math
|
2300
|
| 316-E1 |
Summer Homework
|
brute force
data structures
|
1500
|
| 316-D3 |
PE Lesson
|
dp
math
|
2400
|
| 316-D2 |
PE Lesson
|
dp
|
2300
|
| 316-D1 |
PE Lesson
|
brute force
dp
|
2300
|
| 316-C2 |
Tidying Up
|
flows
graph matchings
|
2300
|
| 316-C1 |
Tidying Up
|
flows
|
2200
|