| 606-A |
Magic Spheres
|
implementation
|
1200
|
| 605-E |
Intergalaxy Trips
|
probabilities
shortest paths
|
2700
|
| 605-D |
Board Game
|
data structures
dfs and similar
|
2500
|
| 605-C |
Freelancer's Dreams
|
geometry
|
2400
|
| 605-B |
Lazy Student
|
constructive algorithms
data structures
graphs
|
1700
|
| 605-A |
Sorting Railway Cars
|
constructive algorithms
greedy
|
1600
|
| 604-B |
More Cowbell
|
binary search
greedy
|
1400
|
| 604-A |
Uncowed Forces
|
implementation
|
1000
|
| 603-E |
Pastoral Oddities
|
data structures
divide and conquer
dsu
+2
|
3000
|
| 603-D |
Ruminations on Ruminants
|
geometry
math
|
2900
|
| 603-C |
Lieges of Legendre
|
games
math
|
2200
|
| 603-B |
Moodular Arithmetic
|
combinatorics
dfs and similar
dsu
+2
|
1800
|
| 603-A |
Alternative Thinking
|
dp
greedy
math
|
1600
|
| 602-B |
Approximating a Constant Range
|
dp
implementation
two pointers
|
1400
|
| 602-A |
Two Bases
|
brute force
implementation
|
1100
|
| 601-E |
A Museum Robbery
|
data structures
dp
|
2800
|
| 601-D |
Acyclic Organic Compounds
|
data structures
dfs and similar
dsu
+3
|
2400
|
| 601-C |
Kleofáš and the n-thlon
|
dp
math
probabilities
|
2300
|
| 601-B |
Lipshitz Sequence
|
data structures
math
|
2100
|
| 601-A |
The Two Routes
|
graphs
shortest paths
|
1600
|
| 600-F |
Edge coloring of bipartite graph
|
graphs
|
2800
|
| 600-E |
Lomsat gelral
|
data structures
dfs and similar
dsu
+1
|
2300
|
| 600-D |
Area of Two Circles' Intersection
|
geometry
|
2000
|
| 600-C |
Make Palindrome
|
constructive algorithms
greedy
strings
|
1800
|
| 600-B |
Queries about less or equal elements
|
binary search
data structures
sortings
+1
|
1300
|
| 600-A |
Extract Numbers
|
implementation
strings
|
1600
|
| 599-E |
Sandy and Nuts
|
bitmasks
dp
trees
|
2600
|
| 599-D |
Spongebob and Squares
|
brute force
math
|
1900
|
| 599-C |
Day at the Beach
|
sortings
|
1600
|
| 599-B |
Spongebob and Joke
|
implementation
|
1500
|
| 599-A |
Patrick and Shopping
|
implementation
|
800
|
| 598-F |
Cut Length
|
geometry
|
2900
|
| 598-E |
Chocolate Bar
|
brute force
dp
|
2000
|
| 598-D |
Igor In the Museum
|
dfs and similar
graphs
shortest paths
|
1700
|
| 598-C |
Nearest vectors
|
geometry
sortings
|
2300
|
| 598-B |
Queries on a String
|
implementation
strings
|
1300
|
| 598-A |
Tricky Sum
|
math
|
900
|
| 597-C |
Subsequences
|
data structures
dp
|
1900
|
| 597-B |
Restaurant
|
dp
greedy
sortings
|
1600
|
| 597-A |
Divisibility
|
math
|
1600
|
| 596-E |
Wilbur and Strings
|
dfs and similar
dp
graphs
+1
|
2500
|
| 596-D |
Wilbur and Trees
|
dp
math
probabilities
+1
|
2300
|
| 596-C |
Wilbur and Points
|
combinatorics
greedy
sortings
|
1700
|
| 596-B |
Wilbur and Array
|
greedy
implementation
|
1100
|
| 596-A |
Wilbur and Swimming Pool
|
geometry
implementation
|
1100
|
| 595-B |
Pasha and Phone
|
binary search
math
|
1600
|
| 595-A |
Vitaly and Night
|
constructive algorithms
implementation
|
800
|
| 594-E |
Cutting the Line
|
string suffix structures
strings
|
3100
|
| 594-D |
REQ
|
data structures
number theory
|
2500
|
| 594-C |
Edo and Magnets
|
brute force
greedy
implementation
+1
|
2300
|