| 1628-E |
Groceries in Meteor Town
|
binary search
data structures
dsu
+1
|
3100
|
| 1628-D2 |
Game on Sum (Hard Version)
|
combinatorics
dp
games
+1
|
2400
|
| 1628-D1 |
Game on Sum (Easy Version)
|
combinatorics
dp
games
+1
|
2100
|
| 1628-C |
Grid Xor
|
constructive algorithms
greedy
implementation
+2
|
2300
|
| 1628-B |
Peculiar Movie Preferences
|
greedy
strings
|
1700
|
| 1628-A |
Meximum Array
|
binary search
constructive algorithms
greedy
+3
|
1400
|
| 1627-F |
Not Splitting
|
geometry
graphs
greedy
+2
|
2700
|
| 1627-E |
Not Escaping
|
data structures
dp
implementation
+2
|
2200
|
| 1627-D |
Not Adding
|
brute force
dp
math
+1
|
1900
|
| 1627-C |
Not Assigning
|
constructive algorithms
dfs and similar
number theory
+1
|
1400
|
| 1627-B |
Not Sitting
|
games
greedy
sortings
|
1300
|
| 1627-A |
Not Shading
|
constructive algorithms
implementation
|
800
|
| 1626-F |
A Random Code Problem
|
combinatorics
dp
math
+2
|
2800
|
| 1626-E |
Black and White Tree
|
dfs and similar
greedy
trees
|
2400
|
| 1626-D |
Martial Arts Tournament
|
binary search
brute force
greedy
+1
|
2100
|
| 1626-C |
Monsters And Spells
|
binary search
data structures
dp
+4
|
1700
|
| 1626-B |
Minor Reduction
|
greedy
strings
|
1100
|
| 1626-A |
Equidistant Letters
|
constructive algorithms
sortings
|
800
|
| 1625-E2 |
Cats on the Upgrade (hard version)
|
binary search
data structures
dfs and similar
+2
|
2800
|
| 1625-E1 |
Cats on the Upgrade (easy version)
|
brute force
data structures
dfs and similar
+4
|
2500
|
| 1625-D |
Binary Spiders
|
bitmasks
data structures
implementation
+3
|
2300
|
| 1625-C |
Road Optimization
|
dp
|
1700
|
| 1625-B |
Elementary Particles
|
brute force
greedy
sortings
|
1100
|
| 1625-A |
Ancient Civilization
|
bitmasks
greedy
math
|
800
|
| 1624-G |
MinOr Tree
|
bitmasks
dfs and similar
dsu
+2
|
1900
|
| 1624-F |
Interacdive Problem
|
binary search
constructive algorithms
interactive
|
2000
|
| 1624-E |
Masha-forgetful
|
brute force
constructive algorithms
dp
+3
|
2000
|
| 1624-D |
Palindromes Coloring
|
binary search
greedy
sortings
+1
|
1400
|
| 1624-C |
Division by Two and Permutation
|
constructive algorithms
flows
graph matchings
+2
|
1100
|
| 1624-B |
Make AP
|
implementation
math
|
900
|
| 1624-A |
Plus One on the Subset
|
math
|
800
|
| 1623-E |
Middle Duplication
|
data structures
dfs and similar
greedy
+2
|
2500
|
| 1623-D |
Robot Cleaner Revisit
|
implementation
math
probabilities
|
2300
|
| 1623-C |
Balanced Stone Heaps
|
binary search
greedy
|
1600
|
| 1623-B |
Game on Ranges
|
brute force
dfs and similar
implementation
+1
|
1100
|
| 1623-A |
Robot Cleaner
|
brute force
implementation
math
|
800
|
| 1622-F |
Quadratic Set
|
constructive algorithms
hashing
math
+1
|
2900
|
| 1622-E |
Math Test
|
bitmasks
brute force
greedy
|
2200
|
| 1622-D |
Shuffle
|
combinatorics
math
two pointers
|
2000
|
| 1622-C |
Set or Decrease
|
binary search
brute force
greedy
+1
|
1600
|
| 1622-B |
Berland Music
|
data structures
greedy
math
+1
|
1000
|
| 1622-A |
Construct a Rectangle
|
geometry
math
|
800
|
| 1621-I |
Two Sequences
|
data structures
hashing
string suffix structures
|
3500
|
| 1621-H |
Trains and Airplanes
|
dfs and similar
graphs
shortest paths
+1
|
3500
|
| 1621-G |
Weighted Increasing Subsequences
|
data structures
dp
math
|
3200
|
| 1621-F |
Strange Instructions
|
data structures
greedy
implementation
|
2700
|
| 1621-E |
New School
|
binary search
data structures
dp
+3
|
2300
|
| 1621-D |
The Winter Hike
|
constructive algorithms
greedy
math
|
2100
|
| 1621-C |
Hidden Permutations
|
dfs and similar
interactive
math
|
1700
|
| 1621-B |
Integers Shop
|
data structures
greedy
implementation
|
1500
|