| 833-A |
The Meaningless Game
|
math
number theory
|
1700
|
| 832-E |
Vasya and Shifts
|
matrices
|
2600
|
| 832-D |
Misha, Grisha and Underground
|
dfs and similar
graphs
trees
|
1900
|
| 832-C |
Strange Radiation
|
binary search
implementation
math
|
2500
|
| 832-B |
Petya and Exam
|
implementation
strings
|
1600
|
| 832-A |
Sasha and Sticks
|
games
math
|
800
|
| 831-C |
Jury Marks
|
brute force
constructive algorithms
|
1700
|
| 831-B |
Keyboard Layouts
|
implementation
strings
|
800
|
| 831-A |
Unimodal Array
|
implementation
|
1000
|
| 830-E |
Perpetual Motion Machine
|
constructive algorithms
dp
graphs
+3
|
3100
|
| 830-D |
Singer House
|
combinatorics
dp
graphs
+1
|
2800
|
| 830-C |
Bamboo Partition
|
brute force
data structures
implementation
+4
|
2300
|
| 830-B |
Cards Sorting
|
data structures
implementation
sortings
|
1600
|
| 830-A |
Office Keys
|
binary search
brute force
dp
+2
|
1800
|
| 828-B |
Black Square
|
implementation
|
1300
|
| 828-A |
Restaurant Tables
|
implementation
|
1200
|
| 827-F |
Dirty Arkady's Kitchen
|
data structures
dp
graphs
+1
|
3200
|
| 827-E |
Rusty String
|
fft
math
strings
|
2700
|
| 827-D |
Best Edge Weight
|
data structures
dfs and similar
graphs
+1
|
2700
|
| 827-C |
DNA Evolution
|
data structures
strings
|
2100
|
| 827-B |
High Load
|
constructive algorithms
greedy
implementation
+1
|
1800
|
| 827-A |
String Reconstruction
|
data structures
greedy
sortings
+1
|
1700
|
| 825-G |
Tree Queries
|
dfs and similar
graphs
trees
|
2500
|
| 825-F |
String Compression
|
dp
hashing
string suffix structures
+1
|
2400
|
| 825-E |
Minimal Labels
|
data structures
dfs and similar
graphs
+1
|
2300
|
| 825-D |
Suitable Replacement
|
binary search
greedy
implementation
|
1500
|
| 825-C |
Multi-judge Solving
|
greedy
implementation
|
1600
|
| 825-B |
Five-In-a-Row
|
brute force
implementation
|
1600
|
| 825-A |
Binary Protocol
|
implementation
|
1100
|
| 822-F |
Madness
|
constructive algorithms
dfs and similar
trees
|
2500
|
| 822-E |
Liar
|
binary search
dp
hashing
+1
|
2400
|
| 822-D |
My pretty girl Noora
|
brute force
dp
greedy
+2
|
1800
|
| 822-C |
Hacker, pack your bags!
|
binary search
greedy
implementation
+1
|
1600
|
| 822-B |
Crossword solving
|
brute force
implementation
strings
|
1000
|
| 822-A |
I'm bored with life
|
implementation
math
number theory
|
800
|
| 821-E |
Okabe and El Psy Kongroo
|
dp
matrices
|
2100
|
| 821-D |
Okabe and City
|
dfs and similar
graphs
shortest paths
|
2200
|
| 821-C |
Okabe and Boxes
|
data structures
greedy
trees
|
1500
|
| 821-B |
Okabe and Banana Trees
|
brute force
math
|
1300
|
| 821-A |
Okabe and Future Gadget Laboratory
|
implementation
|
800
|
| 820-C |
Mister B and Boring Game
|
games
greedy
|
2200
|
| 820-B |
Mister B and Angle in Polygon
|
constructive algorithms
geometry
math
|
1300
|
| 820-A |
Mister B and Book Reading
|
implementation
|
900
|
| 819-E |
Mister B and Flight to the Moon
|
constructive algorithms
graphs
|
2800
|
| 819-D |
Mister B and Astronomers
|
number theory
|
2900
|
| 819-C |
Mister B and Beacons on Field
|
number theory
|
2900
|
| 819-B |
Mister B and PR Shifts
|
data structures
implementation
math
|
1900
|
| 818-G |
Four Melodies
|
flows
graphs
|
2600
|
| 818-F |
Level Generation
|
binary search
math
ternary search
|
2100
|
| 818-E |
Card Game Again
|
binary search
data structures
number theory
+1
|
1900
|