| 1716-E |
Swap and Maximum Block
|
bitmasks
data structures
dfs and similar
+2
|
2500
|
| 1716-D |
Chip Move
|
brute force
dp
math
|
2000
|
| 1716-C |
Robot in a Hallway
|
data structures
dp
greedy
+2
|
2000
|
| 1716-B |
Permutation Chain
|
constructive algorithms
math
|
800
|
| 1716-A |
2-3 Moves
|
greedy
math
|
800
|
| 1715-F |
Crop Squares
|
constructive algorithms
geometry
interactive
+1
|
2700
|
| 1715-E |
Long Way Home
|
data structures
divide and conquer
dp
+4
|
2400
|
| 1715-D |
2+ doors
|
2-sat
bitmasks
graphs
+1
|
1900
|
| 1715-C |
Monoblock
|
combinatorics
data structures
implementation
+1
|
1700
|
| 1715-B |
Beautiful Array
|
constructive algorithms
greedy
math
|
1000
|
| 1715-A |
Crossmarket
|
constructive algorithms
greedy
math
|
800
|
| 1714-G |
Path Prefixes
|
binary search
data structures
dfs and similar
+1
|
1700
|
| 1714-F |
Build a Tree and That Is It
|
constructive algorithms
implementation
trees
|
1900
|
| 1714-E |
Add Modulo 10
|
brute force
math
number theory
|
1400
|
| 1714-D |
Color with Occurrences
|
brute force
data structures
dp
+2
|
1600
|
| 1714-C |
Minimum Varied Number
|
greedy
|
800
|
| 1714-B |
Remove Prefix
|
data structures
greedy
implementation
|
800
|
| 1714-A |
Everyone Loves to Sleep
|
implementation
math
|
900
|
| 1713-F |
Lost Array
|
bitmasks
combinatorics
constructive algorithms
+2
|
2900
|
| 1713-E |
Cross Swapping
|
2-sat
data structures
dsu
+2
|
2400
|
| 1713-D |
Tournament Countdown
|
constructive algorithms
greedy
interactive
+2
|
1800
|
| 1713-C |
Build Permutation
|
constructive algorithms
dp
math
|
1200
|
| 1713-B |
Optimal Reduction
|
constructive algorithms
sortings
|
1000
|
| 1713-A |
Traveling Salesman Problem
|
geometry
greedy
implementation
|
800
|
| 1712-F |
Triameter
|
binary search
data structures
dfs and similar
+1
|
3200
|
| 1712-E2 |
LCM Sum (hard version)
|
brute force
data structures
math
+2
|
2500
|
| 1712-E1 |
LCM Sum (easy version)
|
binary search
brute force
combinatorics
+3
|
2300
|
| 1712-D |
Empty Graph
|
binary search
constructive algorithms
data structures
+2
|
2000
|
| 1712-C |
Sort Zero
|
greedy
sortings
|
1100
|
| 1712-B |
Woeful Permutation
|
constructive algorithms
greedy
number theory
|
800
|
| 1712-A |
Wonderful Permutation
|
greedy
implementation
|
800
|
| 1711-B |
Party
|
brute force
graphs
|
1300
|
| 1711-A |
Perfect Permutation
|
constructive algorithms
|
800
|
| 1710-E |
Two Arrays
|
binary search
games
graph matchings
|
2400
|
| 1710-D |
Recover the Tree
|
constructive algorithms
trees
|
3400
|
| 1710-C |
XOR Triangle
|
bitmasks
brute force
constructive algorithms
+3
|
2500
|
| 1710-B |
Rain
|
binary search
brute force
data structures
+4
|
2100
|
| 1710-A |
Color the Picture
|
constructive algorithms
greedy
math
|
1500
|
| 1709-F |
Multiset of Strings
|
bitmasks
brute force
dp
+6
|
2500
|
| 1709-E |
XOR Tree
|
bitmasks
data structures
dfs and similar
+3
|
2400
|
| 1709-D |
Rorororobot
|
binary search
data structures
greedy
+1
|
1700
|
| 1709-C |
Recover an RBS
|
constructive algorithms
greedy
implementation
+1
|
1800
|
| 1709-B |
Also Try Minecraft
|
data structures
dp
implementation
|
900
|
| 1709-A |
Three Doors
|
brute force
greedy
implementation
+1
|
800
|
| 1708-B |
Difference of GCDs
|
constructive algorithms
math
|
1100
|
| 1708-A |
Difference Operations
|
greedy
math
|
800
|
| 1707-F |
Bugaboo
|
bitmasks
constructive algorithms
dp
+1
|
3500
|
| 1707-E |
Replace
|
binary search
data structures
|
3500
|
| 1707-D |
Partial Virtual Trees
|
combinatorics
dfs and similar
dp
+2
|
3000
|
| 1707-C |
DFS Trees
|
dfs and similar
dsu
graphs
+3
|
2400
|