| 683-J |
The Hero with Bombs
|
*special
|
3000
|
| 683-I |
Loader
|
*special
graphs
|
2500
|
| 683-H |
Exchange of Books
|
*special
|
1900
|
| 683-G |
The Fraction
|
*special
|
1900
|
| 683-F |
Reformat the String
|
*special
|
1800
|
| 683-E |
Hammer throwing
|
*special
|
1800
|
| 683-D |
Chocolate Bar
|
*special
math
|
1400
|
| 683-C |
Symmetric Difference
|
*special
|
1600
|
| 683-B |
The Teacher of Physical Education
|
*special
|
1600
|
| 683-A |
The Check of the Point
|
*special
geometry
|
1200
|
| 682-E |
Alyona and Triangles
|
geometry
two pointers
|
2600
|
| 682-D |
Alyona and Strings
|
dp
strings
|
1900
|
| 682-C |
Alyona and the Tree
|
dfs and similar
dp
graphs
+1
|
1600
|
| 682-B |
Alyona and Mex
|
sortings
|
1200
|
| 682-A |
Alyona and Numbers
|
constructive algorithms
math
number theory
|
1100
|
| 681-E |
Runaway to a Shadow
|
geometry
sortings
|
2500
|
| 681-D |
Gifts by the List
|
constructive algorithms
dfs and similar
graphs
+1
|
2000
|
| 681-C |
Heap Operations
|
constructive algorithms
data structures
greedy
|
1600
|
| 681-B |
Economy Game
|
brute force
|
1300
|
| 681-A |
A Good Contest
|
implementation
|
800
|
| 680-B |
Bear and Finding Criminals
|
constructive algorithms
implementation
|
1000
|
| 680-A |
Bear and Five Cards
|
constructive algorithms
implementation
|
800
|
| 679-E |
Bear and Bad Powers of 42
|
data structures
|
3100
|
| 679-D |
Bear and Chase
|
brute force
dfs and similar
graphs
+3
|
2900
|
| 679-C |
Bear and Square Grid
|
dfs and similar
dsu
implementation
|
2400
|
| 679-B |
Bear and Tower of Cubes
|
binary search
dp
greedy
|
2200
|
| 679-A |
Bear and Prime 100
|
constructive algorithms
interactive
math
|
1400
|
| 678-F |
Lena and Queries
|
data structures
divide and conquer
geometry
|
2500
|
| 678-E |
Another Sith Tournament
|
bitmasks
dp
math
+1
|
2200
|
| 678-D |
Iterated Linear Function
|
math
number theory
|
1700
|
| 678-C |
Joty and Chocolate
|
implementation
math
number theory
|
1600
|
| 678-B |
The Same Calendar
|
implementation
|
1600
|
| 678-A |
Johny Likes Numbers
|
implementation
math
|
800
|
| 677-E |
Vanya and Balloons
|
binary search
brute force
dp
+1
|
2300
|
| 677-D |
Vanya and Treasure
|
data structures
dp
graphs
+1
|
2300
|
| 677-C |
Vanya and Label
|
bitmasks
combinatorics
implementation
+1
|
1500
|
| 677-B |
Vanya and Food Processor
|
implementation
math
|
1400
|
| 677-A |
Vanya and Fence
|
implementation
|
800
|
| 676-E |
The Last Fight Between Human and AI
|
math
|
2400
|
| 676-D |
Theseus and labyrinth
|
graphs
implementation
shortest paths
|
2000
|
| 676-C |
Vasya and String
|
binary search
dp
strings
+1
|
1500
|
| 676-B |
Pyramid of Glasses
|
implementation
math
|
1500
|
| 676-A |
Nicholas and Permutation
|
constructive algorithms
implementation
|
800
|
| 675-E |
Trains and Statistic
|
data structures
dp
greedy
|
2300
|
| 675-D |
Tree Construction
|
data structures
trees
|
1800
|
| 675-C |
Money Transfers
|
constructive algorithms
data structures
greedy
+1
|
2100
|
| 675-B |
Restoring Painting
|
brute force
constructive algorithms
math
|
1400
|
| 675-A |
Infinite Sequence
|
math
|
1100
|
| 673-B |
Problems for Round
|
greedy
implementation
|
1300
|
| 673-A |
Bear and Game
|
implementation
|
800
|