| 1427-A |
Avoiding Zero
|
math
sortings
|
900
|
| 1426-F |
Number of Subsequences
|
combinatorics
dp
strings
|
2000
|
| 1426-E |
Rock, Paper, Scissors
|
brute force
constructive algorithms
flows
+2
|
1800
|
| 1426-D |
Non-zero Segments
|
constructive algorithms
data structures
greedy
+1
|
1500
|
| 1426-C |
Increase and Copy
|
binary search
constructive algorithms
math
|
1100
|
| 1426-B |
Symmetric Matrix
|
implementation
|
900
|
| 1426-A |
Floor Number
|
implementation
math
|
800
|
| 1425-I |
Impressive Harvesting of The Orchard
|
data structures
|
2800
|
| 1425-H |
Huge Boxes of Animal Toys
|
constructive algorithms
|
1300
|
| 1425-F |
Flamingoes of Mystery
|
interactive
|
1400
|
| 1425-E |
Excitation of Atoms
|
greedy
implementation
|
2200
|
| 1425-D |
Danger of Mad Snakes
|
combinatorics
dp
math
|
2300
|
| 1425-C |
Captain of Knights
|
math
|
3100
|
| 1425-B |
Blue and Red of Our Faculty!
|
divide and conquer
dp
|
2600
|
| 1425-A |
Arena of Greed
|
games
greedy
|
1400
|
| 1424-M |
Ancient Language
|
graphs
sortings
|
2200
|
| 1424-G |
Years
|
data structures
sortings
|
1300
|
| 1423-N |
BubbleSquare Tokens
|
|
3500
|
| 1423-M |
Milutin's Plums
|
interactive
|
2800
|
| 1423-L |
Light switches
|
meet-in-the-middle
|
2600
|
| 1423-K |
Lonely Numbers
|
binary search
math
number theory
+1
|
1600
|
| 1423-J |
Bubble Cup hypothesis
|
bitmasks
constructive algorithms
dp
+1
|
2400
|
| 1423-I |
Lookup Tables
|
bitmasks
|
3000
|
| 1423-H |
Virus
|
data structures
divide and conquer
dsu
+1
|
2500
|
| 1423-G |
Growing flowers
|
data structures
|
3500
|
| 1423-F |
Coins
|
math
|
2700
|
| 1423-E |
5G Antenna Towers
|
geometry
|
2700
|
| 1423-D |
Does anyone else hate the wind?
|
|
3100
|
| 1423-C |
Dušan's Railway
|
divide and conquer
graphs
trees
|
3500
|
| 1423-B |
Valuable Paper
|
binary search
flows
graph matchings
+1
|
1900
|
| 1423-A |
Wakanda Forever
|
|
3500
|
| 1422-F |
Boring Queries
|
data structures
math
number theory
|
2700
|
| 1422-E |
Minlexes
|
dp
greedy
implementation
+1
|
2700
|
| 1422-D |
Returning Home
|
graphs
shortest paths
sortings
|
2300
|
| 1422-C |
Bargain
|
combinatorics
dp
math
|
1700
|
| 1422-B |
Nice Matrix
|
greedy
implementation
math
|
1300
|
| 1422-A |
Fence
|
geometry
math
|
800
|
| 1421-E |
Swedish Heroes
|
brute force
dp
implementation
|
2700
|
| 1421-D |
Hexagons
|
brute force
constructive algorithms
greedy
+3
|
1900
|
| 1421-C |
Palindromifier
|
constructive algorithms
strings
|
1400
|
| 1421-B |
Putting Bricks in the Wall
|
constructive algorithms
implementation
|
1100
|
| 1421-A |
XORwice
|
bitmasks
greedy
math
|
800
|
| 1420-E |
Battle Lemmings
|
dp
greedy
|
2500
|
| 1420-D |
Rescue Nibel!
|
combinatorics
data structures
sortings
|
1800
|
| 1420-C2 |
Pokémon Army (hard version)
|
data structures
divide and conquer
dp
+2
|
2100
|
| 1420-C1 |
Pokémon Army (easy version)
|
constructive algorithms
dp
greedy
|
1300
|
| 1420-B |
Rock and Lever
|
bitmasks
math
|
1200
|
| 1420-A |
Cubes Sorting
|
math
sortings
|
900
|
| 1419-F |
Rain of Fire
|
binary search
data structures
dfs and similar
+3
|
2800
|
| 1419-E |
Decryption
|
constructive algorithms
implementation
math
+1
|
2100
|