| 1295-C |
Obtain The String
|
dp
greedy
strings
|
1600
|
| 1295-B |
Infinite Prefixes
|
math
strings
|
1700
|
| 1295-A |
Display The Number
|
greedy
|
900
|
| 1294-F |
Three Paths on a Tree
|
dfs and similar
dp
greedy
+1
|
2000
|
| 1294-E |
Obtain a Permutation
|
greedy
implementation
math
|
1900
|
| 1294-D |
MEX maximizing
|
data structures
greedy
implementation
+1
|
1600
|
| 1294-C |
Product of Three Numbers
|
greedy
math
number theory
|
1300
|
| 1294-B |
Collecting Packages
|
implementation
sortings
|
1200
|
| 1294-A |
Collecting Coins
|
math
|
800
|
| 1293-B |
JOE is on TV!
|
combinatorics
greedy
math
|
1000
|
| 1293-A |
ConneR and the A.R.C. Markland-N
|
binary search
brute force
implementation
|
1100
|
| 1292-F |
Nora's Toy Boxes
|
bitmasks
combinatorics
dp
|
3500
|
| 1292-E |
Rin and The Unknown Flower
|
constructive algorithms
greedy
interactive
+1
|
3500
|
| 1292-D |
Chaotic V.
|
dp
graphs
greedy
+3
|
2700
|
| 1292-C |
Xenon's Attack on the Gangs
|
combinatorics
dfs and similar
dp
+2
|
2300
|
| 1292-B |
Aroma's Search
|
brute force
constructive algorithms
geometry
+2
|
1700
|
| 1292-A |
NEKO's Maze Game
|
data structures
dsu
implementation
|
1400
|
| 1291-F |
Coffee Varieties (easy version)
|
graphs
interactive
|
2800
|
| 1291-B |
Array Sharpening
|
greedy
implementation
|
1300
|
| 1291-A |
Even But Not Even
|
greedy
math
strings
|
900
|
| 1290-F |
Making Shapes
|
dp
|
3500
|
| 1290-E |
Cartesian Tree
|
data structures
|
3300
|
| 1290-D |
Coffee Varieties (hard version)
|
constructive algorithms
graphs
interactive
|
3000
|
| 1290-C |
Prefix Enlightenment
|
dfs and similar
dsu
graphs
|
2400
|
| 1290-B |
Irreducible Anagrams
|
binary search
constructive algorithms
data structures
+2
|
1800
|
| 1290-A |
Mind Control
|
brute force
data structures
implementation
|
1600
|
| 1288-F |
Red-Blue Graph
|
constructive algorithms
flows
|
2900
|
| 1288-E |
Messenger Simulator
|
data structures
|
2000
|
| 1288-D |
Minimax Problem
|
binary search
bitmasks
dp
|
2000
|
| 1288-C |
Two Arrays
|
combinatorics
dp
|
1600
|
| 1288-B |
Yet Another Meme Problem
|
math
|
1100
|
| 1288-A |
Deadline
|
binary search
brute force
math
+1
|
1100
|
| 1287-B |
Hyperset
|
brute force
data structures
implementation
|
1500
|
| 1287-A |
Angry Students
|
greedy
implementation
|
800
|
| 1286-F |
Harry The Potter
|
brute force
constructive algorithms
dp
+3
|
3100
|
| 1286-E |
Fedya the Potter Strikes Back
|
data structures
strings
|
3200
|
| 1286-D |
LCC
|
data structures
math
matrices
+1
|
3100
|
| 1286-C2 |
Madhouse (Hard version)
|
brute force
constructive algorithms
hashing
+2
|
2800
|
| 1286-C1 |
Madhouse (Easy version)
|
brute force
constructive algorithms
interactive
+1
|
2400
|
| 1286-B |
Numbers on Tree
|
constructive algorithms
data structures
dfs and similar
+3
|
1800
|
| 1286-A |
Garland
|
dp
greedy
sortings
|
1800
|
| 1285-F |
Classical?
|
binary search
combinatorics
number theory
|
2900
|
| 1285-E |
Delete a Segment
|
brute force
constructive algorithms
data structures
+5
|
2300
|
| 1285-D |
Dr. Evil Underscores
|
bitmasks
brute force
dfs and similar
+5
|
1900
|
| 1285-C |
Fadi and LCM
|
brute force
math
number theory
|
1400
|
| 1285-B |
Just Eat It!
|
dp
greedy
implementation
|
1300
|
| 1285-A |
Mezo Playing Zoma
|
math
|
800
|
| 1284-G |
Seollal
|
graphs
|
3300
|
| 1284-F |
New Year and Social Network
|
data structures
graph matchings
graphs
+2
|
3200
|
| 1284-E |
New Year and Castle Construction
|
combinatorics
geometry
math
+1
|
2500
|