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Name
316E1
Summer Homework
brute force
,
data structures
1500
x1566
316D3
PE Lesson
dp
,
math
2400
x759
316D2
PE Lesson
dp
2300
x559
316D1
PE Lesson
brute force
,
dp
2300
x639
316C2
Tidying Up
flows
,
graph matchings
2300
x677
316C1
Tidying Up
flows
2200
x619
316B2
EKG
dfs and similar
,
dp
1600
x1806
316B1
EKG
brute force
,
dfs and similar
1500
x1525
316A2
Special Task
math
1400
x2330
316A1
Special Task
greedy
1100
x2933
315B
Sereja and Array
implementation
1200
x7866
315A
Sereja and Bottles
brute force
1400
x12566
314E
Sereja and Squares
dp
2900
x442
314D
Sereja and Straight Lines
binary search
,
data structures
,
geometry
,
sortings
,
two pointers
2500
x629
314C
Sereja and Subsequences
data structures
,
dp
2000
x2118
314B
Sereja and Periods
binary search
,
dfs and similar
,
strings
2000
x1661
314A
Sereja and Contest
implementation
1600
x2203
313E
Ilya and Two Numbers
constructive algorithms
,
data structures
,
dsu
,
greedy
2300
x639
313D
Ilya and Roads
dp
2100
x1771
313C
Ilya and Matrix
constructive algorithms
,
greedy
,
implementation
,
sortings
1400
x6045
313B
Ilya and Queries
dp
,
implementation
1100
x59239
313A
Ilya and Bank Account
implementation
,
number theory
900
x67586
312B
Archer
math
,
probabilities
1300
x14194
312A
Whose sentence is it?
implementation
,
strings
1100
x5478
311E
Biologist
flows
2300
x1760
311D
Interval Cubing
data structures
,
math
2600
x842
311C
Fetch the Treasure
brute force
,
data structures
,
graphs
,
shortest paths
2500
x611
311B
Cats Transport
data structures
,
dp
2400
x4608
311A
The Closest Pair
constructive algorithms
,
implementation
1300
x4264
309E
Sheep
binary search
,
greedy
2900
x308
309D
Tennis Rackets
brute force
,
geometry
2700
x207
309C
Memory for Arrays
binary search
,
bitmasks
,
greedy
1900
x1543
309B
Context Advertising
dp
,
two pointers
2100
x970
309A
Morning run
binary search
,
math
,
two pointers
2000
x568
306D
Polygon
constructive algorithms
,
geometry
2300
x344
306C
White, Black and White Again
combinatorics
,
number theory
2100
x672
306B
Optimizer
data structures
,
greedy
,
sortings
2100
x538
306A
Candies
implementation
800
x8378
305E
Playing with String
games
2300
x813
305D
Olya and Graph
combinatorics
,
math
2200
x594
305C
Ivan and Powers of Two
greedy
,
implementation
1600
x2696
305B
Continued Fractions
brute force
,
implementation
,
math
1700
x2328
305A
Strange Addition
brute force
,
constructive algorithms
,
implementation
1600
x5299
304B
Calendar
brute force
,
implementation
1300
x3212
304A
Pythagorean Theorem II
brute force
,
math
1200
x12368
303E
Random Ranking
dp
,
math
,
probabilities
3000
x479
303D
Rotatable Number
math
,
number theory
2600
x442
303C
Minimum Modular
brute force
,
graphs
,
math
,
number theory
2400
x992
303B
Rectangle Puzzle II
implementation
,
math
1700
x1445
303A
Lucky Permutation Triple
constructive algorithms
,
implementation
,
math
1300
x8707
302B
Eugeny and Play List
binary search
,
implementation
,
two pointers
1200
x9633
302A
Eugeny and Array
implementation
800
x9905
301E
Yaroslav and Arrangements
dp
2800
x526
301D
Yaroslav and Divisors
data structures
2200
x3266
301C
Yaroslav and Algorithm
constructive algorithms
2500
x515
301B
Yaroslav and Time
binary search
,
graphs
,
shortest paths
2100
x2908
301A
Yaroslav and Sequence
constructive algorithms
1800
x3283
300E
Empire Strikes Back
binary search
,
math
,
number theory
2300
x1151
300D
Painting Square
dp
,
fft
2300
x885
300C
Beautiful Numbers
brute force
,
combinatorics
1800
x13033
300B
Coach
brute force
,
dfs and similar
,
graphs
1500
x7491
300A
Array
brute force
,
constructive algorithms
,
implementation
1100
x28612
299B
Ksusha the Squirrel
brute force
,
implementation
900
x6729
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x9693
298B
Sail
brute force
,
greedy
,
implementation
1200
x16194
298A
Snow Footprints
greedy
,
implementation
1300
x11855
297E
Mystic Carvings
data structures
3000
x462
297D
Color the Carpet
constructive algorithms
2500
x660
297C
Splitting the Uniqueness
constructive algorithms
2400
x1046
297B
Fish Weight
constructive algorithms
,
greedy
1600
x3804
297A
Parity Game
constructive algorithms
1700
x3911
296B
Yaroslav and Two Strings
combinatorics
,
dp
2000
x2808
296A
Yaroslav and Permutations
greedy
,
math
1100
x26746
295E
Yaroslav and Points
data structures
2500
x888
295D
Greg and Caves
combinatorics
,
dp
2400
x771
295C
Greg and Friends
combinatorics
,
dp
,
graphs
,
shortest paths
2100
x2016
295B
Greg and Graph
dp
,
graphs
,
shortest paths
1700
x19200
295A
Greg and Array
data structures
,
implementation
1400
x28960
294E
Shaass the Great
dp
,
trees
2300
x1223
294D
Shaass and Painter Robot
brute force
,
implementation
,
number theory
2500
x421
294C
Shaass and Lights
combinatorics
,
number theory
1900
x4558
294B
Shaass and Bookshelf
dp
,
greedy
1700
x5174
294A
Shaass and Oskols
implementation
,
math
800
x29297
293E
Close Vertices
data structures
,
divide and conquer
,
trees
2700
x2239
293D
Ksusha and Square
geometry
,
math
,
probabilities
,
two pointers
2700
x295
293C
Cube Problem
brute force
,
math
,
number theory
2400
x701
293B
Distinct Paths
brute force
,
combinatorics
2700
x1021
293A
Weird Game
games
,
greedy
1500
x3257
292E
Copying Data
data structures
1900
x5197
292D
Connected Components
data structures
,
dfs and similar
,
dp
,
dsu
1900
x2879
292C
Beautiful IP Addresses
brute force
2000
x1383
292B
Network Topology
graphs
,
implementation
1200
x11167
292A
SMSC
implementation
1100
x2939
291E
Tree-String Problem
*special problem
,
dfs and similar
,
hashing
,
strings
2000
x1677
291D
Parallel Programming
*special problem
,
greedy
1600
x1546
291C
Network Mask
*special problem
,
bitmasks
,
brute force
,
implementation
1600
x1909
291B
Command Line Arguments
*special problem
,
implementation
,
strings
1300
x3112
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x6603
290F
Greedy Petya
*special problem
,
dfs and similar
,
graphs
,
greedy
2800
x163
290E
HQ
*special problem
,
constructive algorithms
2500
x243
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