| 1741-G |
Kirill and Company
|
bitmasks
brute force
dfs and similar
+4
|
2200
|
| 1741-F |
Multi-Colored Segments
|
binary search
data structures
math
+1
|
2000
|
| 1741-E |
Sending a Sequence Over the Network
|
dp
|
1600
|
| 1741-D |
Masha and a Beautiful Tree
|
dfs and similar
divide and conquer
graphs
+2
|
1300
|
| 1741-C |
Minimize the Thickness
|
brute force
greedy
math
+1
|
1100
|
| 1741-B |
Funny Permutation
|
constructive algorithms
math
|
800
|
| 1741-A |
Compare T-Shirt Sizes
|
implementation
strings
|
800
|
| 1740-I |
Arranging Crystal Balls
|
data structures
divide and conquer
dp
+3
|
3500
|
| 1740-H |
MEX Tree Manipulation
|
data structures
trees
|
3300
|
| 1740-G |
Dangerous Laser Power
|
constructive algorithms
dsu
sortings
|
3100
|
| 1740-F |
Conditional Mix
|
combinatorics
dp
math
|
2600
|
| 1740-E |
Hanging Hearts
|
constructive algorithms
data structures
dfs and similar
+3
|
1800
|
| 1740-D |
Knowledge Cards
|
constructive algorithms
data structures
|
1500
|
| 1740-C |
Bricks and Bags
|
constructive algorithms
games
greedy
+1
|
1400
|
| 1740-B |
Jumbo Extra Cheese 2
|
geometry
greedy
sortings
|
800
|
| 1740-A |
Factorise N+M
|
constructive algorithms
number theory
|
800
|
| 1739-F |
Keyboard Design
|
bitmasks
data structures
dp
+2
|
2600
|
| 1739-E |
Cleaning Robot
|
bitmasks
dp
|
2400
|
| 1739-D |
Reset K Edges
|
binary search
data structures
dfs and similar
+3
|
1900
|
| 1739-C |
Card Game
|
combinatorics
constructive algorithms
dp
+1
|
1500
|
| 1739-B |
Array Recovery
|
constructive algorithms
greedy
math
|
1100
|
| 1739-A |
Immobile Knight
|
implementation
|
800
|
| 1738-H |
Palindrome Addicts
|
data structures
strings
|
3300
|
| 1738-G |
Anti-Increasing Addicts
|
constructive algorithms
dp
greedy
+1
|
2900
|
| 1738-F |
Connectivity Addicts
|
constructive algorithms
dsu
graphs
+4
|
2400
|
| 1738-E |
Balance Addicts
|
combinatorics
dp
math
+1
|
2300
|
| 1738-D |
Permutation Addicts
|
constructive algorithms
data structures
dfs and similar
+3
|
1900
|
| 1738-C |
Even Number Addicts
|
dp
games
greedy
+1
|
1500
|
| 1738-B |
Prefix Sum Addicts
|
constructive algorithms
greedy
math
+1
|
1200
|
| 1738-A |
Glory Addicts
|
greedy
implementation
sortings
|
800
|
| 1737-G |
Ela Takes Dancing Class
|
binary search
data structures
|
3500
|
| 1737-F |
Ela and Prime GCD
|
constructive algorithms
math
number theory
|
3300
|
| 1737-E |
Ela Goes Hiking
|
combinatorics
dp
math
+1
|
2500
|
| 1737-D |
Ela and the Wiring Wizard
|
brute force
dp
graphs
+3
|
2200
|
| 1737-C |
Ela and Crickets
|
constructive algorithms
games
implementation
+1
|
1500
|
| 1737-B |
Ela's Fitness and the Luxury Number
|
binary search
implementation
math
|
1300
|
| 1737-A |
Ela Sorting Books
|
greedy
implementation
strings
|
900
|
| 1736-E |
Swap and Take
|
dp
greedy
|
2600
|
| 1736-D |
Equal Binary Subsequences
|
constructive algorithms
geometry
greedy
+2
|
2200
|
| 1736-C2 |
Good Subarrays (Hard Version)
|
binary search
data structures
dp
+1
|
2400
|
| 1736-C1 |
Good Subarrays (Easy Version)
|
binary search
data structures
schedules
+1
|
1300
|
| 1736-B |
Playing with GCD
|
math
number theory
|
1200
|
| 1736-A |
Make A Equal to B
|
brute force
greedy
sortings
|
800
|
| 1735-F |
Pebbles and Beads
|
data structures
geometry
|
2900
|
| 1735-E |
House Planning
|
constructive algorithms
data structures
graph matchings
+1
|
2400
|
| 1735-D |
Meta-set
|
brute force
combinatorics
data structures
+2
|
1700
|
| 1735-C |
Phase Shift
|
dfs and similar
dsu
graphs
+3
|
1400
|
| 1735-B |
Tea with Tangerines
|
greedy
math
|
900
|
| 1735-A |
Working Week
|
constructive algorithms
greedy
math
|
800
|
| 1734-F |
Zeros and Ones
|
bitmasks
divide and conquer
dp
+1
|
2500
|