| 993-A |
Two Squares
|
geometry
implementation
|
1600
|
| 992-E |
Nastya and King-Shamans
|
binary search
data structures
|
2500
|
| 992-D |
Nastya and a Game
|
brute force
implementation
math
|
2100
|
| 992-C |
Nastya and a Wardrobe
|
math
|
1600
|
| 992-B |
Nastya Studies Informatics
|
math
number theory
|
1600
|
| 992-A |
Nastya and an Array
|
implementation
sortings
|
800
|
| 991-F |
Concise and clear
|
brute force
greedy
implementation
+1
|
2700
|
| 991-E |
Bus Number
|
brute force
combinatorics
math
|
1800
|
| 991-D |
Bishwock
|
dp
greedy
|
1500
|
| 991-C |
Candies
|
binary search
implementation
|
1500
|
| 991-B |
Getting an A
|
greedy
sortings
|
900
|
| 991-A |
If at first you don't succeed...
|
implementation
|
1000
|
| 990-G |
GCD Counting
|
divide and conquer
dp
dsu
+2
|
2400
|
| 990-F |
Flow Control
|
dfs and similar
dp
greedy
+1
|
2400
|
| 990-E |
Post Lamps
|
brute force
greedy
|
2100
|
| 990-D |
Graph And Its Complement
|
constructive algorithms
graphs
implementation
|
1700
|
| 990-C |
Bracket Sequences Concatenation Problem
|
implementation
|
1500
|
| 990-B |
Micro-World
|
greedy
sortings
|
1200
|
| 990-A |
Commentary Boxes
|
implementation
math
|
1000
|
| 989-E |
A Trance of Nightfall
|
dp
geometry
matrices
+1
|
2700
|
| 989-D |
A Shade of Moonlight
|
binary search
geometry
math
+2
|
2500
|
| 989-C |
A Mist of Florescence
|
constructive algorithms
graphs
|
1800
|
| 989-B |
A Tide of Riverscape
|
constructive algorithms
strings
|
1200
|
| 989-A |
A Blend of Springtime
|
implementation
strings
|
900
|
| 988-F |
Rain and Umbrellas
|
dp
|
2100
|
| 988-E |
Divisibility by 25
|
brute force
greedy
|
2100
|
| 988-D |
Points and Powers of Two
|
brute force
math
|
1800
|
| 988-C |
Equal Sums
|
implementation
sortings
|
1400
|
| 988-B |
Substrings Sort
|
sortings
strings
|
1100
|
| 988-A |
Diverse Team
|
brute force
implementation
|
800
|
| 987-C |
Three displays
|
brute force
dp
implementation
|
1400
|
| 987-B |
High School: Become Human
|
math
|
1100
|
| 987-A |
Infinity Gauntlet
|
implementation
|
800
|
| 986-F |
Oppa Funcan Style Remastered
|
graphs
math
number theory
+1
|
3300
|
| 986-E |
Prince's Problem
|
brute force
data structures
math
+2
|
2800
|
| 986-D |
Perfect Encoding
|
fft
math
|
3100
|
| 986-C |
AND Graph
|
bitmasks
dfs and similar
dsu
+1
|
2500
|
| 986-B |
Petr and Permutations
|
combinatorics
math
|
1800
|
| 986-A |
Fair
|
graphs
greedy
number theory
+1
|
1600
|
| 985-G |
Team Players
|
combinatorics
|
2700
|
| 985-F |
Isomorphic Strings
|
hashing
strings
|
2300
|
| 985-E |
Pencils and Boxes
|
binary search
data structures
dp
+2
|
2100
|
| 985-D |
Sand Fortress
|
binary search
constructive algorithms
math
|
2100
|
| 985-C |
Liebig's Barrels
|
greedy
|
1500
|
| 985-B |
Switches and Lamps
|
implementation
|
1200
|
| 985-A |
Chess Placing
|
implementation
|
1100
|
| 984-B |
Minesweeper
|
implementation
|
1100
|
| 984-A |
Game
|
sortings
|
800
|
| 983-E |
NN country
|
binary search
data structures
trees
|
2800
|
| 983-D |
Arkady and Rectangles
|
data structures
|
3300
|