| 1089-B |
Bimatching
|
graphs
|
3200
|
| 1089-A |
Alice the Fan
|
dp
|
2200
|
| 1088-F |
Ehab and a weird weight formula
|
data structures
trees
|
2800
|
| 1088-E |
Ehab and a component choosing problem
|
dp
greedy
math
+1
|
2400
|
| 1088-D |
Ehab and another another xor problem
|
bitmasks
constructive algorithms
implementation
+1
|
2000
|
| 1088-C |
Ehab and a 2-operation task
|
constructive algorithms
greedy
math
|
1400
|
| 1088-B |
Ehab and subtraction
|
implementation
sortings
|
1000
|
| 1088-A |
Ehab and another construction problem
|
brute force
constructive algorithms
|
800
|
| 1086-F |
Forest Fires
|
math
|
3500
|
| 1085-G |
Beautiful Matrix
|
combinatorics
data structures
dp
|
2900
|
| 1085-F |
Rock-Paper-Scissors Champion
|
|
2500
|
| 1085-E |
Vasya and Templates
|
greedy
implementation
strings
|
2300
|
| 1085-D |
Minimum Diameter Tree
|
constructive algorithms
implementation
trees
|
1700
|
| 1085-C |
Connect Three
|
implementation
math
|
1600
|
| 1085-B |
Div Times Mod
|
math
|
1100
|
| 1085-A |
Right-Left Cipher
|
implementation
strings
|
800
|
| 1084-C |
The Fair Nut and String
|
combinatorics
dp
implementation
|
1500
|
| 1084-B |
Kvass and the Fair Nut
|
greedy
implementation
|
1200
|
| 1084-A |
The Fair Nut and Elevator
|
brute force
implementation
|
1000
|
| 1083-F |
The Fair Nut and Amusing Xor
|
data structures
|
3300
|
| 1083-E |
The Fair Nut and Rectangles
|
data structures
dp
geometry
|
2400
|
| 1083-D |
The Fair Nut's getting crazy
|
data structures
implementation
|
3500
|
| 1083-C |
Max Mex
|
data structures
trees
|
2900
|
| 1083-B |
The Fair Nut and Strings
|
greedy
strings
|
2000
|
| 1083-A |
The Fair Nut and the Best Path
|
data structures
dp
trees
|
1800
|
| 1082-G |
Petya and Graph
|
flows
graphs
|
2400
|
| 1082-F |
Speed Dial
|
dp
strings
trees
|
2800
|
| 1082-E |
Increasing Frequency
|
binary search
dp
greedy
|
2000
|
| 1082-D |
Maximum Diameter Graph
|
constructive algorithms
graphs
implementation
|
1800
|
| 1082-C |
Multi-Subject Competition
|
greedy
sortings
|
1600
|
| 1082-B |
Vova and Trophies
|
greedy
|
1600
|
| 1082-A |
Vasya and Book
|
implementation
math
|
1200
|
| 1081-H |
Palindromic Magic
|
data structures
hashing
strings
|
3500
|
| 1081-G |
Mergesort Strikes Back
|
math
probabilities
|
3200
|
| 1081-F |
Tricky Interactor
|
constructive algorithms
implementation
interactive
|
2600
|
| 1081-E |
Missing Numbers
|
binary search
constructive algorithms
greedy
+2
|
1900
|
| 1081-D |
Maximum Distance
|
dsu
graphs
shortest paths
+1
|
1800
|
| 1081-C |
Colorful Bricks
|
combinatorics
dp
math
|
1500
|
| 1081-B |
Farewell Party
|
constructive algorithms
implementation
|
1500
|
| 1081-A |
Definite Game
|
constructive algorithms
math
|
800
|
| 1080-F |
Katya and Segments Sets
|
data structures
interactive
sortings
|
2400
|
| 1080-E |
Sonya and Matrix Beauty
|
strings
|
2400
|
| 1080-D |
Olya and magical square
|
constructive algorithms
implementation
math
|
2000
|
| 1080-C |
Masha and two friends
|
implementation
|
1500
|
| 1080-B |
Margarite and the best present
|
math
|
900
|
| 1080-A |
Petya and Origami
|
math
|
800
|
| 1078-E |
Negative Time Summation
|
constructive algorithms
|
3400
|
| 1077-F2 |
Pictures with Kittens (hard version)
|
data structures
dp
|
2100
|
| 1077-F1 |
Pictures with Kittens (easy version)
|
dp
|
1900
|
| 1077-E |
Thematic Contests
|
greedy
sortings
|
1800
|