| 855-G |
Harry Vs Voldemort
|
dfs and similar
dp
graphs
+1
|
3300
|
| 855-F |
Nagini
|
binary search
data structures
|
3100
|
| 855-E |
Salazar Slytherin's Locket
|
bitmasks
dp
|
2200
|
| 855-D |
Rowena Ravenclaw's Diadem
|
trees
|
2500
|
| 855-C |
Helga Hufflepuff's Cup
|
dp
trees
|
2000
|
| 855-B |
Marvolo Gaunt's Ring
|
brute force
data structures
dp
|
1500
|
| 855-A |
Tom Riddle's Diary
|
brute force
implementation
strings
|
800
|
| 854-B |
Maxim Buys an Apartment
|
constructive algorithms
math
|
1200
|
| 854-A |
Fraction
|
brute force
constructive algorithms
math
|
800
|
| 853-E |
Lada Malina
|
data structures
geometry
|
3400
|
| 853-D |
Michael and Charging Stations
|
binary search
dp
greedy
|
2400
|
| 853-C |
Boredom
|
data structures
|
2100
|
| 853-B |
Jury Meeting
|
greedy
sortings
two pointers
|
1800
|
| 853-A |
Planning
|
greedy
|
1500
|
| 852-I |
Dating
|
brute force
dfs and similar
graphs
+1
|
2300
|
| 852-H |
Bob and stages
|
dp
geometry
|
3000
|
| 852-G |
Bathroom terminal
|
implementation
|
1700
|
| 852-F |
Product transformation
|
combinatorics
math
number theory
|
2200
|
| 852-E |
Casinos and travel
|
dp
|
2100
|
| 852-D |
Exploration plan
|
binary search
flows
graph matchings
+1
|
2100
|
| 852-C |
Property
|
greedy
sortings
|
2100
|
| 852-B |
Neural Network country
|
dp
matrices
|
2000
|
| 852-A |
Digits
|
brute force
implementation
math
|
2500
|
| 851-B |
Arpa and an exam about geometry
|
geometry
math
|
1400
|
| 851-A |
Arpa and a research in Mexican wave
|
implementation
math
|
800
|
| 850-F |
Rainbow Balls
|
math
|
2800
|
| 850-E |
Random Elections
|
bitmasks
brute force
divide and conquer
+2
|
2800
|
| 850-D |
Tournament Construction
|
constructive algorithms
dp
graphs
+2
|
2800
|
| 850-C |
Arpa and a game with Mojtaba
|
bitmasks
dp
games
|
2200
|
| 850-B |
Arpa and a list of numbers
|
implementation
number theory
|
2100
|
| 850-A |
Five Dimensional Points
|
brute force
geometry
math
|
1700
|
| 849-B |
Tell Your World
|
brute force
geometry
|
1600
|
| 849-A |
Odds and Ends
|
implementation
|
1000
|
| 848-E |
Days of Floral Colours
|
combinatorics
divide and conquer
dp
+2
|
3400
|
| 848-D |
Shake It!
|
combinatorics
dp
flows
+1
|
2900
|
| 848-C |
Goodbye Souvenir
|
data structures
divide and conquer
|
2600
|
| 848-B |
Rooter's Song
|
constructive algorithms
data structures
geometry
+3
|
1900
|
| 848-A |
From Y to Y
|
constructive algorithms
|
1600
|
| 847-M |
Weather Tomorrow
|
implementation
math
|
1000
|
| 847-L |
Berland SU Computer Network
|
constructive algorithms
dfs and similar
graphs
+2
|
2400
|
| 847-K |
Travel Cards
|
greedy
implementation
sortings
|
1800
|
| 847-J |
Students Initiation
|
binary search
flows
graphs
|
2400
|
| 847-I |
Noise Level
|
dfs and similar
implementation
math
|
1900
|
| 847-H |
Load Testing
|
greedy
|
1600
|
| 847-G |
University Classes
|
implementation
|
900
|
| 847-F |
Berland Elections
|
greedy
sortings
|
2100
|
| 847-E |
Packmen
|
binary search
dp
|
1800
|
| 847-D |
Dog Show
|
constructive algorithms
data structures
greedy
|
2200
|
| 847-C |
Sum of Nestings
|
constructive algorithms
|
1800
|
| 847-B |
Preparing for Merge Sort
|
binary search
data structures
|
1600
|