| 1835-B |
Lottery
|
binary search
brute force
greedy
+2
|
2500
|
| 1835-A |
k-th equality
|
brute force
implementation
math
|
1700
|
| 1834-F |
Typewriter
|
brute force
math
|
2500
|
| 1834-E |
MEX of LCM
|
binary search
data structures
implementation
+2
|
2300
|
| 1834-D |
Survey in Class
|
brute force
data structures
greedy
+2
|
1900
|
| 1834-C |
Game with Reversing
|
games
greedy
math
+1
|
1200
|
| 1834-B |
Maximum Strength
|
greedy
math
|
1000
|
| 1834-A |
Unit Array
|
greedy
math
|
800
|
| 1833-G |
Ksyusha and Chinchilla
|
constructive algorithms
dfs and similar
dp
+4
|
1800
|
| 1833-F |
Ira and Flamenco
|
combinatorics
constructive algorithms
data structures
+4
|
1700
|
| 1833-E |
Round Dance
|
dfs and similar
dsu
graphs
+1
|
1600
|
| 1833-D |
Flipper
|
brute force
constructive algorithms
greedy
|
1400
|
| 1833-C |
Vlad Building Beautiful Array
|
greedy
math
|
800
|
| 1833-B |
Restore the Weather
|
greedy
sortings
|
900
|
| 1833-A |
Musical Puzzle
|
implementation
strings
|
800
|
| 1832-F |
Zombies
|
binary search
dp
|
3200
|
| 1832-E |
Combinatorics Problem
|
brute force
combinatorics
dp
|
2200
|
| 1832-D2 |
Red-Blue Operations (Hard Version)
|
binary search
constructive algorithms
greedy
+2
|
2400
|
| 1832-D1 |
Red-Blue Operations (Easy Version)
|
binary search
greedy
implementation
+1
|
2100
|
| 1832-C |
Contrast Value
|
greedy
implementation
|
1200
|
| 1832-B |
Maximum Sum
|
brute force
sortings
two pointers
|
1100
|
| 1832-A |
New Palindrome
|
strings
|
800
|
| 1831-B |
Array merging
|
constructive algorithms
greedy
|
1000
|
| 1831-A |
Twin Permutations
|
constructive algorithms
|
800
|
| 1830-F |
The Third Grace
|
data structures
dp
|
3200
|
| 1830-E |
Bully Sort
|
data structures
math
|
3500
|
| 1830-D |
Mex Tree
|
brute force
dp
trees
|
2800
|
| 1830-C |
Hyperregular Bracket Strings
|
combinatorics
greedy
hashing
+3
|
2400
|
| 1830-B |
The BOSS Can Count Pairs
|
brute force
math
|
2000
|
| 1830-A |
Copil Copac Draws Trees
|
dfs and similar
dp
graphs
+1
|
1400
|
| 1829-H |
Don't Blame Me
|
bitmasks
combinatorics
dp
+1
|
1700
|
| 1829-G |
Hits Different
|
data structures
dp
implementation
+1
|
1600
|
| 1829-F |
Forever Winter
|
dfs and similar
graphs
math
|
1300
|
| 1829-E |
The Lakes
|
dfs and similar
dsu
graphs
+1
|
1100
|
| 1829-D |
Gold Rush
|
brute force
dfs and similar
dp
+1
|
1000
|
| 1829-C |
Mr. Perfectly Fine
|
bitmasks
greedy
implementation
|
800
|
| 1829-B |
Blank Space
|
implementation
|
800
|
| 1829-A |
Love Story
|
implementation
strings
|
800
|
| 1828-B |
Permutation Swap
|
math
number theory
|
900
|
| 1828-A |
Divisible Array
|
constructive algorithms
math
|
800
|
| 1827-F |
Copium Permutation
|
constructive algorithms
data structures
greedy
|
3500
|
| 1827-E |
Bus Routes
|
binary search
constructive algorithms
dfs and similar
+2
|
3400
|
| 1827-D |
Two Centroids
|
data structures
dfs and similar
greedy
+1
|
2800
|
| 1827-C |
Palindrome Partition
|
binary search
brute force
data structures
+3
|
2600
|
| 1827-B2 |
Range Sorting (Hard Version)
|
binary search
data structures
dp
+1
|
2400
|
| 1827-B1 |
Range Sorting (Easy Version)
|
binary search
dp
dsu
+3
|
2000
|
| 1827-A |
Counting Orders
|
combinatorics
math
sortings
+1
|
1100
|
| 1826-F |
Fading into Fog
|
geometry
interactive
math
+1
|
2800
|
| 1826-E |
Walk the Runway
|
bitmasks
brute force
data structures
+4
|
2400
|
| 1826-D |
Running Miles
|
brute force
dp
greedy
|
1700
|