| 526-C |
Om Nom and Candies
|
brute force
greedy
math
|
2000
|
| 526-B |
Om Nom and Dark Park
|
dfs and similar
greedy
implementation
|
1400
|
| 526-A |
King of Thieves
|
brute force
implementation
|
1300
|
| 525-E |
Anya and Cubes
|
binary search
bitmasks
brute force
+3
|
2100
|
| 525-D |
Arthur and Walls
|
constructive algorithms
data structures
graphs
+2
|
2400
|
| 525-C |
Ilya and Sticks
|
greedy
math
sortings
|
1600
|
| 525-B |
Pasha and String
|
constructive algorithms
greedy
math
+1
|
1400
|
| 525-A |
Vitaliy and Pie
|
greedy
hashing
strings
|
1100
|
| 524-F |
And Yet Another Bracket Sequence
|
data structures
greedy
hashing
+2
|
2700
|
| 524-E |
Rooks and Rectangles
|
data structures
sortings
|
2400
|
| 524-D |
Social Network
|
greedy
two pointers
|
2100
|
| 524-C |
The Art of Dealing with ATM
|
binary search
sortings
|
1900
|
| 524-B |
Фото на память - 2 (round version)
|
dp
greedy
|
1700
|
| 524-A |
Возможно, вы знаете этих людей?
|
implementation
|
1600
|
| 523-D |
Statistics of Recompressing Videos
|
*special
data structures
implementation
|
1600
|
| 523-C |
Name Quest
|
*special
greedy
|
1400
|
| 523-B |
Mean Requests
|
*special
implementation
|
1500
|
| 523-A |
Rotate, Flip and Zoom
|
*special
implementation
|
1200
|
| 522-D |
Closest Equals
|
*special
data structures
|
2000
|
| 522-C |
Chicken or Fish?
|
greedy
|
2100
|
| 522-B |
Photo to Remember
|
*special
data structures
dp
+1
|
1100
|
| 522-A |
Reposts
|
*special
dfs and similar
dp
+2
|
1200
|
| 521-E |
Cycling City
|
dfs and similar
graphs
|
3100
|
| 521-D |
Shop
|
greedy
|
2800
|
| 520-E |
Pluses everywhere
|
combinatorics
dp
math
+1
|
2200
|
| 520-D |
Cubes
|
games
greedy
implementation
|
2100
|
| 520-C |
DNA Alignment
|
math
strings
|
1500
|
| 520-B |
Two Buttons
|
dfs and similar
graphs
greedy
+3
|
1400
|
| 520-A |
Pangram
|
implementation
strings
|
800
|
| 519-E |
A and B and Lecture Rooms
|
binary search
data structures
dfs and similar
+2
|
2100
|
| 519-D |
A and B and Interesting Substrings
|
data structures
dp
two pointers
|
1800
|
| 519-C |
A and B and Team Training
|
greedy
implementation
math
+1
|
1300
|
| 519-B |
A and B and Compilation Errors
|
data structures
implementation
sortings
|
1100
|
| 519-A |
A and B and Chess
|
implementation
|
900
|
| 518-F |
Pasha and Pipe
|
binary search
brute force
combinatorics
+2
|
2300
|
| 518-E |
Arthur and Questions
|
greedy
implementation
math
+1
|
2200
|
| 518-D |
Ilya and Escalator
|
combinatorics
dp
math
+1
|
1700
|
| 518-C |
Anya and Smartphone
|
constructive algorithms
data structures
implementation
|
1600
|
| 518-B |
Tanya and Postcard
|
greedy
implementation
strings
|
1400
|
| 518-A |
Vitaly and Strings
|
constructive algorithms
strings
|
1600
|
| 516-E |
Drazil and His Happy Friends
|
math
number theory
|
3100
|
| 516-D |
Drazil and Morning Exercise
|
dfs and similar
dp
dsu
+2
|
2800
|
| 515-E |
Drazil and Park
|
data structures
|
2300
|
| 515-D |
Drazil and Tiles
|
constructive algorithms
greedy
|
2000
|
| 515-C |
Drazil and Factorial
|
greedy
math
sortings
|
1400
|
| 515-B |
Drazil and His Happy Friends
|
brute force
dsu
meet-in-the-middle
+1
|
1300
|
| 515-A |
Drazil and Date
|
math
|
1000
|
| 514-E |
Darth Vader and Tree
|
dp
matrices
|
2200
|
| 514-D |
R2D2 and Droid Army
|
binary search
data structures
two pointers
|
2000
|
| 514-C |
Watto and Mechanism
|
binary search
data structures
hashing
+2
|
2000
|