| 741-C |
Arpa’s overnight party and Mehrdad’s silent entering
|
constructive algorithms
dfs and similar
graphs
|
2600
|
| 741-B |
Arpa's weak amphitheater and Mehrdad's valuable Hoses
|
dfs and similar
dp
dsu
|
1600
|
| 741-A |
Arpa's loud Owf and Mehrdad's evil plan
|
dfs and similar
math
|
1600
|
| 740-B |
Alyona and flowers
|
constructive algorithms
|
1200
|
| 740-A |
Alyona and copybooks
|
brute force
implementation
|
1300
|
| 739-E |
Gosha is hunting
|
brute force
data structures
dp
+4
|
3000
|
| 739-D |
Recover a functional graph
|
graph matchings
|
3400
|
| 739-C |
Alyona and towers
|
data structures
|
2500
|
| 739-B |
Alyona and a tree
|
binary search
data structures
dfs and similar
+2
|
1900
|
| 739-A |
Alyona and mex
|
constructive algorithms
greedy
|
1700
|
| 737-F |
Dirty plates
|
constructive algorithms
math
|
3300
|
| 737-E |
Tanya is 5!
|
graph matchings
graphs
greedy
+1
|
3300
|
| 736-E |
Chess Championship
|
constructive algorithms
flows
greedy
+1
|
2900
|
| 736-D |
Permutations
|
math
matrices
|
2800
|
| 735-E |
Ostap and Tree
|
dp
trees
|
2500
|
| 735-D |
Taxes
|
math
number theory
|
1600
|
| 735-C |
Tennis Championship
|
combinatorics
constructive algorithms
greedy
+1
|
1600
|
| 735-B |
Urbanization
|
greedy
number theory
sortings
|
1100
|
| 735-A |
Ostap and Grasshopper
|
implementation
strings
|
800
|
| 734-F |
Anton and School
|
bitmasks
constructive algorithms
implementation
+1
|
2500
|
| 734-E |
Anton and Tree
|
dfs and similar
dp
trees
|
2100
|
| 734-D |
Anton and Chess
|
implementation
|
1700
|
| 734-C |
Anton and Making Potions
|
binary search
dp
greedy
+1
|
1600
|
| 734-B |
Anton and Digits
|
brute force
greedy
implementation
+1
|
800
|
| 734-A |
Anton and Danik
|
implementation
strings
|
800
|
| 733-F |
Drivers Dissatisfaction
|
data structures
dsu
graphs
+1
|
2200
|
| 733-E |
Sleep in Class
|
constructive algorithms
data structures
math
+1
|
2400
|
| 733-D |
Kostya the Sculptor
|
data structures
hashing
|
1600
|
| 733-C |
Epidemic in Monstropolis
|
constructive algorithms
dp
greedy
+1
|
1800
|
| 733-B |
Parade
|
math
|
1100
|
| 733-A |
Grasshopper And the String
|
implementation
|
1000
|
| 732-F |
Tourist Reform
|
dfs and similar
graphs
|
2300
|
| 732-E |
Sockets
|
greedy
sortings
|
2100
|
| 732-D |
Exams
|
binary search
greedy
sortings
|
1700
|
| 732-C |
Sanatorium
|
binary search
constructive algorithms
greedy
+2
|
1200
|
| 732-B |
Cormen --- The Best Friend Of a Man
|
dp
greedy
|
1000
|
| 732-A |
Buy a Shovel
|
brute force
constructive algorithms
implementation
+1
|
800
|
| 731-F |
Video Cards
|
brute force
data structures
implementation
+2
|
1900
|
| 731-E |
Funny Game
|
dp
games
|
2200
|
| 731-D |
80-th Level Archeology
|
brute force
data structures
greedy
+1
|
2200
|
| 731-C |
Socks
|
dfs and similar
dsu
graphs
+1
|
1600
|
| 731-B |
Coupons and Discounts
|
constructive algorithms
greedy
|
1100
|
| 731-A |
Night at the Museum
|
implementation
strings
|
800
|
| 730-L |
Expression Queries
|
data structures
|
3200
|
| 730-K |
Roads Orientation Problem
|
graphs
|
3200
|
| 730-J |
Bottles
|
dp
|
1900
|
| 730-I |
Olympiad in Programming and Sports
|
dp
flows
graphs
+1
|
2000
|
| 730-H |
Delete Them
|
constructive algorithms
implementation
|
1300
|
| 730-G |
Car Repair Shop
|
implementation
|
1600
|
| 730-F |
Ber Patio
|
|
3100
|