| 2229-A |
Slimes on a Line
|
brute force
greedy
math
|
800
|
| 2228-F |
Momoyo and the Network
|
binary search
dfs and similar
divide and conquer
+2
|
2700
|
| 2228-E2 |
Amanojaku and Sequence (Hard Version)
|
combinatorics
data structures
implementation
+1
|
2500
|
| 2228-E1 |
Amanojaku and Sequence (Easy Version)
|
combinatorics
math
|
2400
|
| 2228-D |
Sanae, Cross and Color
|
binary search
data structures
implementation
|
1900
|
| 2228-C2 |
Cirno and Number (Hard Version)
|
binary search
dfs and similar
dp
+2
|
1600
|
| 2228-C1 |
Cirno and Number (Easy Version)
|
binary search
brute force
dp
+2
|
1500
|
| 2228-B |
Remilia Plays Soku
|
games
implementation
|
1100
|
| 2228-A |
Marisa Steals Reimu's Takeout
|
greedy
implementation
|
800
|
| 2227-H |
Fallen Leaves
|
dfs and similar
dp
trees
|
2100
|
| 2227-G |
Drowning
|
binary search
data structures
math
|
2000
|
| 2227-F |
It Just Keeps Going Sideways
|
binary search
data structures
dp
+2
|
1700
|
| 2227-E |
It All Went Sideways
|
binary search
data structures
dp
+1
|
1400
|
| 2227-D |
Palindromex
|
binary search
brute force
constructive algorithms
+4
|
1200
|
| 2227-C |
Snowfall
|
constructive algorithms
math
|
800
|
| 2227-B |
Party Monster
|
greedy
|
800
|
| 2227-A |
Koshary
|
implementation
math
|
800
|
| 2226-G |
Stop Spot
|
implementation
strings
trees
|
3000
|
| 2226-F |
Inversion Invasion
|
math
number theory
|
2800
|
| 2226-E |
Mental Monumental (Hard Version)
|
data structures
greedy
math
+1
|
2300
|
| 2226-D |
Reserved Reversals
|
constructive algorithms
dp
greedy
+1
|
1900
|
| 2226-C |
Mental Monumental (Easy Version)
|
binary search
data structures
greedy
+2
|
1500
|
| 2226-B |
Everything Everywhere
|
greedy
math
number theory
|
900
|
| 2226-A |
Disturbing Distribution
|
greedy
math
|
800
|
| 2225-G |
Simple Problem
|
brute force
graphs
greedy
+1
|
2900
|
| 2225-F |
String Cutting
|
binary search
brute force
greedy
+3
|
2600
|
| 2225-E |
Covering Points with Circles
|
constructive algorithms
geometry
math
|
2200
|
| 2225-D |
Exceptional Segments
|
bitmasks
brute force
math
|
1500
|
| 2225-C |
Red-Black Pairs
|
dp
greedy
|
1100
|
| 2225-B |
Alternating String
|
brute force
greedy
|
900
|
| 2225-A |
A Number Between Two Others
|
greedy
math
|
800
|
| 2224-B |
Zhily and Mex and Max
|
constructive algorithms
greedy
math
+1
|
1200
|
| 2224-A |
Zhily and Array Operating
|
constructive algorithms
greedy
|
800
|
| 2223-F |
Zhily and Colorful Strings
|
divide and conquer
fft
math
|
3400
|
| 2223-E |
Zhily and Permutation
|
data structures
divide and conquer
trees
|
3500
|
| 2223-D |
Zhily and Cycle
|
graphs
greedy
|
2800
|
| 2223-C |
Zhily and Signpost
|
chinese remainder theorem
dfs and similar
math
+2
|
2300
|
| 2223-B |
Zhily and Barknights
|
binary search
data structures
dp
+3
|
1600
|
| 2223-A |
Zhily and Bracket Swapping
|
constructive algorithms
greedy
|
1300
|
| 2222-H |
Counting Sort?
|
brute force
combinatorics
dp
|
3500
|
| 2222-G |
Statistics on Tree
|
binary search
brute force
dfs and similar
+3
|
3100
|
| 2222-F |
Building Tree
|
data structures
divide and conquer
dsu
+2
|
2600
|
| 2222-E |
Seek the Truth
|
binary search
bitmasks
constructive algorithms
+1
|
2000
|
| 2222-D |
Permutation Construction
|
constructive algorithms
data structures
sortings
|
1800
|
| 2222-C |
Median Partition
|
dp
math
|
1500
|
| 2222-B |
Artistic Balance Tree
|
greedy
sortings
|
1100
|
| 2222-A |
A Wonderful Contest
|
brute force
dp
math
|
800
|
| 2220-B |
OIE Excursion
|
greedy
|
1200
|
| 2220-A |
Blocked
|
greedy
sortings
|
800
|
| 2219-E |
Weird Chessboard
|
constructive algorithms
math
|
3500
|