| 720-D |
Slalom
|
data structures
dp
sortings
|
3100
|
| 720-C |
Homework
|
constructive algorithms
|
3100
|
| 720-B |
Cactusophobia
|
dfs and similar
flows
|
2400
|
| 720-A |
Closing ceremony
|
greedy
|
2000
|
| 719-B |
Anatoly and Cockroaches
|
greedy
|
1400
|
| 719-A |
Vitya in the Countryside
|
implementation
|
1100
|
| 718-E |
Matvey's Birthday
|
bitmasks
graphs
|
3300
|
| 718-D |
Andrew and Chemistry
|
dp
hashing
trees
|
2900
|
| 718-C |
Sasha and Array
|
data structures
math
matrices
|
2300
|
| 718-A |
Efim and Strange Grade
|
dp
implementation
math
|
1700
|
| 717-I |
Cowboy Beblop at his computer
|
geometry
|
2800
|
| 717-H |
Pokermon League challenge
|
math
probabilities
|
2400
|
| 717-G |
Underfail
|
flows
|
2400
|
| 717-F |
Heroes of Making Magic III
|
data structures
|
2600
|
| 717-E |
Paint it really, really dark gray
|
dfs and similar
|
1900
|
| 717-D |
Dexterina’s Lab
|
games
matrices
probabilities
|
1900
|
| 717-C |
Potions Homework
|
implementation
sortings
|
1200
|
| 717-B |
R3D3’s Summer Adventure
|
dp
greedy
|
2700
|
| 717-A |
Festival Organization
|
combinatorics
math
number theory
|
2900
|
| 716-B |
Complete the Word
|
greedy
two pointers
|
1300
|
| 716-A |
Crazy Computer
|
implementation
|
800
|
| 715-E |
Complete the Permutations
|
combinatorics
fft
graphs
+1
|
3400
|
| 715-D |
Create a Maze
|
constructive algorithms
|
3100
|
| 715-C |
Digit Tree
|
dfs and similar
divide and conquer
dsu
+1
|
2700
|
| 715-B |
Complete The Graph
|
binary search
constructive algorithms
graphs
+1
|
2300
|
| 715-A |
Plus and Square Root
|
constructive algorithms
math
|
1600
|
| 714-B |
Filya and Homework
|
implementation
sortings
|
1200
|
| 714-A |
Meeting of Old Friends
|
implementation
math
|
1100
|
| 713-E |
Sonya Partymaker
|
binary search
dp
|
3300
|
| 713-D |
Animals and Puzzle
|
binary search
data structures
|
2700
|
| 713-C |
Sonya and Problem Wihtout a Legend
|
dp
sortings
|
2300
|
| 713-B |
Searching Rectangles
|
binary search
constructive algorithms
interactive
|
2200
|
| 713-A |
Sonya and Queries
|
data structures
implementation
|
1400
|
| 712-E |
Memory and Casinos
|
data structures
math
probabilities
|
2500
|
| 712-D |
Memory and Scores
|
combinatorics
dp
math
|
2200
|
| 712-C |
Memory and De-Evolution
|
greedy
math
|
1600
|
| 712-B |
Memory and Trident
|
implementation
strings
|
1100
|
| 712-A |
Memory and Crow
|
implementation
math
|
800
|
| 711-E |
ZS and The Birthday Paradox
|
math
number theory
probabilities
|
2300
|
| 711-D |
Directed Roads
|
combinatorics
dfs and similar
graphs
+1
|
1900
|
| 711-C |
Coloring Trees
|
dp
|
1700
|
| 711-B |
Chris and Magic Square
|
constructive algorithms
implementation
|
1400
|
| 711-A |
Bus to Udayland
|
brute force
implementation
|
800
|
| 710-F |
String Set Queries
|
brute force
data structures
hashing
+3
|
2400
|
| 710-E |
Generate a String
|
dfs and similar
dp
|
2000
|
| 710-D |
Two Arithmetic Progressions
|
math
number theory
|
2500
|
| 710-C |
Magic Odd Square
|
constructive algorithms
math
|
1500
|
| 710-B |
Optimal Point on a Line
|
brute force
sortings
|
1400
|
| 710-A |
King Moves
|
implementation
|
800
|
| 709-B |
Checkpoints
|
greedy
implementation
sortings
|
1500
|