| 1783-C |
Yet Another Tournament
|
binary search
greedy
sortings
|
1700
|
| 1783-B |
Matrix of Differences
|
constructive algorithms
math
|
1100
|
| 1783-A |
Make it Beautiful
|
constructive algorithms
math
sortings
|
800
|
| 1781-H2 |
Window Signals (hard version)
|
|
3500
|
| 1781-H1 |
Window Signals (easy version)
|
|
3200
|
| 1781-G |
Diverse Coloring
|
constructive algorithms
trees
|
3200
|
| 1781-F |
Bracket Insertion
|
combinatorics
dp
math
+1
|
2700
|
| 1781-E |
Rectangle Shrinking
|
binary search
brute force
data structures
+3
|
2300
|
| 1781-D |
Many Perfect Squares
|
brute force
math
number theory
|
1800
|
| 1781-C |
Equal Frequencies
|
brute force
constructive algorithms
greedy
+3
|
1600
|
| 1781-B |
Going to the Cinema
|
brute force
greedy
sortings
|
1000
|
| 1781-A |
Parallel Projection
|
geometry
math
|
800
|
| 1780-G |
Delicious Dessert
|
binary search
dsu
hashing
+3
|
2400
|
| 1780-F |
Three Chairs
|
bitmasks
brute force
combinatorics
+4
|
2300
|
| 1780-E |
Josuke and Complete Graph
|
binary search
brute force
data structures
+2
|
2400
|
| 1780-D |
Bit Guessing Game
|
binary search
bitmasks
constructive algorithms
+1
|
1800
|
| 1780-B |
GCD Partition
|
brute force
greedy
math
+1
|
1100
|
| 1780-A |
Hayato and School
|
constructive algorithms
greedy
|
800
|
| 1779-H |
Olympic Team Building
|
brute force
meet-in-the-middle
|
3500
|
| 1779-G |
The Game of the Century
|
constructive algorithms
graphs
shortest paths
|
3000
|
| 1779-F |
Xorcerer's Stones
|
bitmasks
constructive algorithms
dp
+1
|
2500
|
| 1779-E |
Anya's Simultaneous Exhibition
|
constructive algorithms
graphs
greedy
+2
|
2400
|
| 1779-D |
Boris and His Amazing Haircut
|
constructive algorithms
data structures
dp
+3
|
1700
|
| 1779-C |
Least Prefix Sum
|
data structures
greedy
|
1600
|
| 1779-B |
MKnez's ConstructiveForces Task
|
constructive algorithms
math
|
900
|
| 1779-A |
Hall of Fame
|
constructive algorithms
greedy
strings
|
800
|
| 1778-F |
Maximizing Root
|
dfs and similar
dp
graphs
+3
|
2600
|
| 1778-E |
The Tree Has Fallen!
|
bitmasks
dfs and similar
math
+1
|
2500
|
| 1778-D |
Flexible String Revisit
|
combinatorics
dp
math
+1
|
2100
|
| 1778-C |
Flexible String
|
bitmasks
brute force
strings
|
1600
|
| 1778-B |
The Forbidden Permutation
|
greedy
math
|
1300
|
| 1778-A |
Flip Flop Sum
|
greedy
implementation
|
800
|
| 1777-F |
Comfortably Numb
|
bitmasks
data structures
divide and conquer
+2
|
2400
|
| 1777-E |
Edge Reverse
|
binary search
dfs and similar
graphs
+1
|
2200
|
| 1777-D |
Score of a Tree
|
bitmasks
combinatorics
dfs and similar
+4
|
1900
|
| 1777-C |
Quiz Master
|
binary search
math
number theory
+2
|
1700
|
| 1777-B |
Emordnilap
|
combinatorics
greedy
math
|
900
|
| 1777-A |
Everybody Likes Good Arrays!
|
greedy
math
|
800
|
| 1776-N |
Count Permutations
|
math
|
3500
|
| 1776-M |
Parmigiana With Seafood
|
binary search
dp
greedy
+1
|
3000
|
| 1776-L |
Controllers
|
binary search
math
|
1500
|
| 1776-K |
Uniform Chemistry
|
dp
math
|
3200
|
| 1776-J |
Italian Data Centers
|
graphs
shortest paths
|
2500
|
| 1776-I |
Spinach Pizza
|
games
geometry
greedy
+1
|
2500
|
| 1776-H |
Beppa and SwerChat
|
two pointers
|
1300
|
| 1776-G |
Another Wine Tasting Event
|
combinatorics
constructive algorithms
math
+1
|
2100
|
| 1776-F |
Train Splitting
|
constructive algorithms
graphs
greedy
|
1700
|
| 1776-E |
Crossing the Railways
|
data structures
dp
|
3500
|
| 1776-D |
Teamwork
|
constructive algorithms
greedy
math
|
2800
|
| 1776-C |
Library game
|
games
greedy
interactive
+1
|
2500
|