| 2242-F |
Summer Vacation
|
data structures
dp
probabilities
|
—
|
| 2242-E |
Product of Closures
|
bitmasks
brute force
dp
+3
|
—
|
| 2242-D |
Two Digit Strings
|
dp
greedy
strings
|
—
|
| 2242-C |
Unstable Elements
|
brute force
data structures
implementation
+2
|
—
|
| 2242-B |
Predominant Frequency Division
|
data structures
greedy
implementation
+1
|
—
|
| 2242-A |
Bigrams
|
sortings
strings
|
—
|
| 2241-G |
Summmon
|
binary search
data structures
greedy
+3
|
—
|
| 2241-F |
A Bit Odd
|
data structures
games
greedy
+1
|
—
|
| 2241-E |
Fair and Square
|
combinatorics
dp
graphs
+3
|
—
|
| 2241-D |
An Alternative Way
|
dp
greedy
math
|
—
|
| 2241-C |
RemovevomeR
|
greedy
|
—
|
| 2241-B |
Good times Good times
|
constructive algorithms
dfs and similar
math
|
—
|
| 2241-A |
Divide and Conquer
|
greedy
math
number theory
|
—
|
| 2240-B |
AI Finds Nothing Here
|
combinatorics
math
|
1100
|
| 2240-A |
Another Popcount Problem
|
greedy
|
800
|
| 2239-F |
Colorful Works
|
dp
fft
games
+1
|
3500
|
| 2239-E |
The end of this world,
|
data structures
divide and conquer
dsu
+1
|
3300
|
| 2239-D |
Hunting the Beast
|
combinatorics
dp
graphs
+1
|
2500
|
| 2239-C |
Revival
|
binary search
data structures
math
+1
|
2200
|
| 2239-B |
Decidophobia
|
greedy
math
sortings
+1
|
1500
|
| 2239-A |
Nim Game Is XOR Game
|
constructive algorithms
games
greedy
+1
|
1300
|
| 2238-F |
Infinite Work
|
combinatorics
graphs
greedy
+2
|
2600
|
| 2238-E |
Cake Trial
|
dp
greedy
|
2000
|
| 2238-D |
Storming Arasaka
|
greedy
math
number theory
|
1500
|
| 2238-C |
Village Guilds
|
dfs and similar
dp
trees
|
1400
|
| 2238-B |
Crimson Triples
|
dp
math
number theory
|
900
|
| 2238-A |
Another Puzzle from Papyrus
|
greedy
math
sortings
|
800
|
| 2237-I2 |
DBFS Order (Hard Version)
|
dp
trees
|
3500
|
| 2237-I1 |
DBFS Order (Easy Version)
|
dp
trees
|
3500
|
| 2237-H |
Slime and Queries
|
data structures
greedy
trees
|
3500
|
| 2237-G |
Send GCDs
|
communication
constructive algorithms
interactive
+2
|
2900
|
| 2237-F |
Paint the Array
|
data structures
dp
greedy
|
2400
|