| 2087-I |
Hamiltonian Partition
|
*special
|
—
|
| 2087-H |
Nim with Special Numbers
|
*special
|
—
|
| 2087-G |
Esports in Berland
|
*special
greedy
|
—
|
| 2087-F |
Weapon Upgrade
|
*special
dp
|
—
|
| 2087-E |
Color the Arrows
|
*special
dp
|
—
|
| 2087-D |
Uppercase or Lowercase?
|
*special
interactive
|
—
|
| 2087-C |
Coin Game
|
*special
greedy
|
—
|
| 2087-B |
Showmatch
|
*special
|
—
|
| 2087-A |
Password Generator
|
*special
|
—
|
| 2086-F |
Online Palindrome
|
brute force
constructive algorithms
interactive
|
3000
|
| 2086-E |
Zebra-like Numbers
|
bitmasks
brute force
constructive algorithms
+4
|
2400
|
| 2086-D |
Even String
|
brute force
combinatorics
dp
+2
|
1700
|
| 2086-C |
Disappearing Permutation
|
dfs and similar
dp
dsu
+3
|
1300
|
| 2086-B |
Large Array and Segments
|
binary search
brute force
greedy
|
1100
|
| 2086-A |
Cloudberry Jam
|
math
|
800
|
| 2085-F2 |
Serval and Colorful Array (Hard Version)
|
data structures
greedy
|
2900
|
| 2085-F1 |
Serval and Colorful Array (Easy Version)
|
data structures
greedy
|
2600
|
| 2085-E |
Serval and Modulo
|
constructive algorithms
math
number theory
|
2200
|
| 2085-D |
Serval and Kaitenzushi Buffet
|
data structures
graph matchings
greedy
|
2000
|
| 2085-C |
Serval and The Formula
|
bitmasks
constructive algorithms
dp
+1
|
1600
|
| 2085-B |
Serval and Final MEX
|
constructive algorithms
implementation
|
1200
|
| 2085-A |
Serval and String Theory
|
constructive algorithms
implementation
|
900
|
| 2084-H |
Turtle and Nediam 2
|
dp
greedy
|
3500
|
| 2084-G2 |
Wish Upon a Satellite (Hard Version)
|
data structures
dp
|
3500
|
| 2084-G1 |
Wish Upon a Satellite (Easy Version)
|
dp
games
|
2600
|
| 2084-F |
Skyscape
|
constructive algorithms
data structures
greedy
|
2900
|
| 2084-E |
Blossom
|
binary search
combinatorics
dp
+3
|
2400
|
| 2084-D |
Arcology On Permafrost
|
binary search
brute force
constructive algorithms
+2
|
1600
|
| 2084-C |
You Soared Afar With Grace
|
constructive algorithms
data structures
greedy
+1
|
1400
|
| 2084-B |
MIN = GCD
|
greedy
math
number theory
|
1100
|
| 2084-A |
Max and Mod
|
constructive algorithms
math
|
800
|
| 2082-B |
Floor or Ceil
|
brute force
greedy
|
1600
|
| 2082-A |
Binary Matrix
|
constructive algorithms
greedy
|
800
|
| 2081-G2 |
Hard Formula (Hard Version)
|
math
|
3400
|
| 2081-G1 |
Hard Formula
|
math
number theory
|
3100
|
| 2081-F |
Hot Matrix
|
constructive algorithms
math
|
3300
|
| 2081-E |
Quantifier
|
combinatorics
dp
implementation
|
3300
|
| 2081-D |
MST in Modulo Graph
|
constructive algorithms
dsu
graphs
+5
|
2600
|
| 2081-C |
Quaternary Matrix
|
bitmasks
constructive algorithms
greedy
+2
|
2700
|
| 2081-B |
Balancing
|
greedy
|
2500
|
| 2081-A |
Math Division
|
bitmasks
dp
math
+1
|
1800
|
| 2080-D |
Order Statistics
|
*special
binary search
|
3400
|
| 2080-C |
Card Flip
|
*special
|
2300
|
| 2080-B |
Best Runner
|
*special
|
1700
|
| 2080-A |
Strong Connectivity Strikes Back
|
*special
constructive algorithms
graphs
|
3200
|
| 2079-D |
Cute Subsequences
|
*special
sortings
|
1800
|
| 2079-C |
Dreaming Is Not Harmful
|
*special
|
2300
|
| 2079-B |
Arithmetic Exercise
|
*special
data structures
dp
+1
|
2600
|
| 2079-A |
Alice, Bob, And Two Arrays
|
*special
data structures
dp
+1
|
3300
|
| 2078-D |
Scammy Game Ad
|
dp
greedy
implementation
|
1800
|