| 351-A |
Jeff and Rounding
|
dp
greedy
implementation
+1
|
1800
|
| 350-E |
Wrong Floyd
|
brute force
constructive algorithms
dfs and similar
+1
|
2200
|
| 350-D |
Looking for Owls
|
binary search
data structures
geometry
+2
|
2400
|
| 350-C |
Bombs
|
greedy
implementation
sortings
|
1600
|
| 350-B |
Resort
|
graphs
|
1500
|
| 350-A |
TL
|
brute force
greedy
implementation
|
1200
|
| 349-B |
Color the Fence
|
data structures
dp
greedy
+1
|
1700
|
| 349-A |
Cinema Line
|
greedy
implementation
|
1100
|
| 348-E |
Pilgrims
|
dfs and similar
dp
trees
|
2800
|
| 348-D |
Turtles
|
dp
matrices
|
2500
|
| 348-C |
Subset Sums
|
brute force
data structures
|
2500
|
| 348-B |
Apple Tree
|
dfs and similar
number theory
trees
|
2100
|
| 348-A |
Mafia
|
binary search
math
sortings
|
1600
|
| 347-B |
Fixed Points
|
brute force
implementation
math
|
1100
|
| 347-A |
Difference Row
|
constructive algorithms
implementation
sortings
|
1300
|
| 346-E |
Doodle Jump
|
math
number theory
|
3000
|
| 346-D |
Robot Control
|
dp
graphs
shortest paths
|
2600
|
| 346-C |
Number Transformation II
|
greedy
math
|
2200
|
| 346-B |
Lucky Common Subsequence
|
dp
strings
|
2000
|
| 346-A |
Alice and Bob
|
games
math
number theory
|
1600
|
| 345-G |
Suffix Subgroup
|
*special
strings
|
2200
|
| 345-F |
Superstitions Inspection
|
*special
|
2700
|
| 345-E |
Black Cat Rush
|
*special
|
2700
|
| 345-D |
Chain Letter
|
*special
dfs and similar
graphs
|
2200
|
| 345-C |
Counting Fridays
|
*special
|
2000
|
| 345-B |
Triskaidekaphobia
|
*special
|
2100
|
| 345-A |
Expecting Trouble
|
*special
probabilities
|
1500
|
| 344-B |
Simple Molecules
|
brute force
graphs
math
|
1200
|
| 344-A |
Magnets
|
implementation
|
800
|
| 343-E |
Pumping Stations
|
brute force
dfs and similar
divide and conquer
+4
|
2900
|
| 343-D |
Water Tree
|
data structures
dfs and similar
graphs
+1
|
2100
|
| 343-C |
Read Time
|
binary search
greedy
two pointers
|
1900
|
| 343-B |
Alternating Current
|
data structures
greedy
implementation
|
1600
|
| 343-A |
Rational Resistance
|
math
number theory
|
1600
|
| 342-E |
Xenia and Tree
|
data structures
divide and conquer
trees
|
2400
|
| 342-D |
Xenia and Dominoes
|
bitmasks
dfs and similar
dp
|
2100
|
| 342-C |
Cupboard and Balloons
|
geometry
|
1900
|
| 342-B |
Xenia and Spies
|
brute force
greedy
implementation
|
1500
|
| 342-A |
Xenia and Divisors
|
greedy
implementation
|
1200
|
| 341-E |
Candies Game
|
constructive algorithms
greedy
|
3000
|
| 341-D |
Iahub and Xors
|
data structures
|
2500
|
| 340-E |
Iahub and Permutations
|
combinatorics
math
|
2000
|
| 340-D |
Bubble Sort Graph
|
binary search
data structures
dp
|
1500
|
| 340-C |
Tourist Problem
|
combinatorics
implementation
math
|
1600
|
| 340-B |
Maximal Area Quadrilateral
|
brute force
geometry
|
2100
|
| 340-A |
The Wall
|
math
|
1200
|
| 339-E |
Three Swaps
|
constructive algorithms
dfs and similar
greedy
|
2700
|
| 339-D |
Xenia and Bit Operations
|
data structures
trees
|
1700
|
| 339-C |
Xenia and Weights
|
constructive algorithms
dfs and similar
dp
+3
|
1700
|
| 339-B |
Xenia and Ringroad
|
implementation
|
1000
|