| 2031-D |
Penchick and Desert Rabbit
|
binary search
data structures
dfs and similar
+5
|
1700
|
| 2031-C |
Penchick and BBQ Buns
|
constructive algorithms
math
number theory
|
1300
|
| 2031-B |
Penchick and Satay Sticks
|
brute force
greedy
sortings
|
900
|
| 2031-A |
Penchick and Modern Monument
|
constructive algorithms
dp
greedy
+1
|
800
|
| 2030-G2 |
The Destruction of the Universe (Hard Version)
|
combinatorics
math
|
3100
|
| 2030-G1 |
The Destruction of the Universe (Easy Version)
|
combinatorics
greedy
math
|
2900
|
| 2030-F |
Orangutan Approved Subarrays
|
binary search
data structures
dp
+3
|
2400
|
| 2030-E |
MEXimize the Score
|
combinatorics
data structures
dp
+3
|
2200
|
| 2030-D |
QED's Favorite Permutation
|
data structures
implementation
sortings
|
1700
|
| 2030-C |
A TRUE Battle
|
brute force
games
greedy
|
1100
|
| 2030-B |
Minimise Oneness
|
combinatorics
constructive algorithms
games
+1
|
800
|
| 2030-A |
A Gift From Orangutan
|
constructive algorithms
greedy
math
+1
|
800
|
| 2029-I |
Variance Challenge
|
flows
graphs
greedy
|
3400
|
| 2029-H |
Message Spread
|
bitmasks
brute force
combinatorics
+1
|
3500
|
| 2029-G |
Balanced Problem
|
data structures
dp
|
3000
|
| 2029-F |
Palindrome Everywhere
|
constructive algorithms
graphs
greedy
|
2500
|
| 2029-E |
Common Generator
|
brute force
constructive algorithms
math
+1
|
2100
|
| 2029-D |
Cool Graph
|
constructive algorithms
data structures
dfs and similar
+4
|
1900
|
| 2029-C |
New Rating
|
binary search
data structures
dp
+1
|
1700
|
| 2029-B |
Replacement
|
constructive algorithms
games
strings
|
1100
|
| 2029-A |
Set
|
greedy
math
|
800
|
| 2028-F |
Alice's Adventures in Addition
|
bitmasks
brute force
dp
+1
|
2700
|
| 2028-E |
Alice's Adventures in the Rabbit Hole
|
combinatorics
dfs and similar
dp
+5
|
2300
|
| 2028-D |
Alice's Adventures in Cards
|
constructive algorithms
data structures
dp
+4
|
2000
|
| 2028-C |
Alice's Adventures in Cutting Cake
|
binary search
dp
greedy
+1
|
1600
|
| 2028-B |
Alice's Adventures in Permuting
|
binary search
implementation
math
|
1400
|
| 2028-A |
Alice's Adventures in ''Chess''
|
brute force
implementation
math
|
900
|
| 2027-E2 |
Bit Game (Hard Version)
|
bitmasks
dp
math
|
3100
|
| 2027-E1 |
Bit Game (Easy Version)
|
bitmasks
brute force
games
+1
|
2800
|
| 2027-D2 |
The Endspeaker (Hard Version)
|
binary search
data structures
dp
+3
|
2200
|
| 2027-D1 |
The Endspeaker (Easy Version)
|
binary search
dp
graphs
+3
|
1700
|
| 2027-C |
Add Zeros
|
brute force
data structures
dfs and similar
+3
|
1500
|
| 2027-B |
Stalin Sort
|
brute force
greedy
|
1100
|
| 2027-A |
Rectangle Arrangement
|
geometry
implementation
math
|
800
|
| 2026-F |
Bermart Ice Cream
|
data structures
dfs and similar
divide and conquer
+3
|
2700
|
| 2026-E |
Best Subsequence
|
bitmasks
dfs and similar
flows
+2
|
2500
|
| 2026-D |
Sums of Segments
|
binary search
data structures
dp
+2
|
1900
|
| 2026-C |
Action Figures
|
binary search
brute force
constructive algorithms
+3
|
1500
|
| 2026-B |
Black Cells
|
binary search
brute force
constructive algorithms
+1
|
1300
|
| 2026-A |
Perpendicular Segments
|
constructive algorithms
geometry
greedy
+1
|
900
|
| 2025-G |
Variable Damage
|
data structures
flows
|
3000
|
| 2025-F |
Choose Your Queries
|
constructive algorithms
dfs and similar
dp
+3
|
2700
|
| 2025-E |
Card Game
|
combinatorics
dp
fft
+2
|
2200
|
| 2025-D |
Attribute Checks
|
brute force
data structures
dp
+3
|
1800
|
| 2025-C |
New Game
|
binary search
brute force
greedy
+3
|
1300
|
| 2025-B |
Binomial Coefficients, Kind Of
|
combinatorics
dp
math
|
1100
|
| 2025-A |
Two Screens
|
binary search
greedy
strings
+1
|
800
|
| 2024-B |
Buying Lemonade
|
binary search
constructive algorithms
sortings
|
1100
|
| 2024-A |
Profitable Interest Rate
|
greedy
math
|
800
|
| 2023-F |
Hills and Pits
|
data structures
greedy
math
+1
|
3500
|