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Custom test
Problems
#
Name
264E
Roadside Trees
data structures
,
dp
3000
x489
264D
Colorful Stones
dp
,
two pointers
2500
x456
264C
Choosing Balls
dp
2000
x3535
264B
Good Sequences
dp
,
number theory
1500
x12600
264A
Escape from Stones
constructive algorithms
,
data structures
,
implementation
,
two pointers
1200
x11988
263E
Rhombus
brute force
,
data structures
,
dp
2500
x458
263D
Cycle in Graph
dfs and similar
,
graphs
1800
x4679
263C
Circle of Numbers
brute force
,
dfs and similar
,
implementation
2000
x1167
263B
Squares
greedy
,
implementation
,
sortings
900
x9985
263A
Beautiful Matrix
implementation
800
x343053
262B
Roma and Changing Signs
greedy
1200
x12562
262A
Roma and Lucky Numbers
implementation
800
x22794
261E
Maxim and Calculator
brute force
,
dp
,
two pointers
2800
x455
261D
Maxim and Increasing Subsequence
dp
2600
x733
261C
Maxim and Matrix
constructive algorithms
,
dp
,
math
2000
x850
261B
Maxim and Restaurant
dp
,
math
,
probabilities
1900
x1672
261A
Maxim and Discounts
greedy
,
sortings
1400
x5693
260E
Dividing Kingdom
binary search
,
brute force
,
data structures
2500
x557
260D
Black and White Tree
constructive algorithms
,
dsu
,
graphs
,
greedy
,
trees
2100
x1736
260C
Balls and Boxes
constructive algorithms
,
greedy
,
implementation
1700
x3263
260B
Ancient Prophesy
brute force
,
implementation
,
strings
1600
x4118
260A
Adding Digits
implementation
,
math
1400
x16981
259B
Little Elephant and Magic Square
brute force
,
implementation
1100
x14825
259A
Little Elephant and Chess
brute force
,
strings
1000
x10244
258E
Little Elephant and Tree
data structures
,
dfs and similar
,
trees
2400
x1500
258D
Little Elephant and Broken Sorting
dp
,
math
,
probabilities
2600
x1589
258C
Little Elephant and LCM
binary search
,
combinatorics
,
dp
,
math
2000
x2041
258B
Little Elephant and Elections
brute force
,
combinatorics
,
dp
1900
x1654
258A
Little Elephant and Bits
greedy
,
math
1100
x27185
257E
Greedy Elevator
data structures
,
implementation
2200
x377
257D
Sum
greedy
,
math
1900
x1758
257C
View Angle
brute force
,
geometry
,
math
1800
x4834
257B
Playing Cubes
games
,
greedy
,
implementation
1300
x7910
257A
Sockets
greedy
,
implementation
,
sortings
1100
x7033
256E
Lucky Arrays
data structures
2400
x827
256D
Liars and Serge
dp
2700
x302
255E
Furlo and Rublo and Game
games
,
implementation
,
math
2200
x1038
255D
Mr. Bender and Square
binary search
,
implementation
,
math
1800
x2232
255C
Almost Arithmetical Progression
brute force
,
dp
1500
x5136
255B
Code Parsing
implementation
1200
x5567
255A
Greg's Workout
implementation
800
x31708
254E
Dormitory
dp
,
implementation
2100
x742
254D
Rats
brute force
,
dfs and similar
,
graphs
,
implementation
,
shortest paths
2300
x678
254C
Anagram
greedy
,
strings
1800
x1621
254B
Jury Size
brute force
,
implementation
1500
x2289
254A
Cards with Numbers
constructive algorithms
,
sortings
1200
x7916
253E
Printer
binary search
,
data structures
,
implementation
,
sortings
2200
x624
253D
Table with Letters - 2
brute force
,
two pointers
2000
x941
253C
Text Editor
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1600
x2979
253B
Physics Practical
binary search
,
dp
,
sortings
,
two pointers
1400
x12641
253A
Boys and Girls
greedy
1100
x12394
252B
Unsorting Array
brute force
,
sortings
1800
x1911
252A
Little Xor
brute force
,
implementation
1100
x5999
251E
Tree and Table
dfs and similar
,
dp
,
implementation
,
trees
3000
x222
251D
Two Sets
bitmasks
,
math
2700
x765
251C
Number Transformation
dp
,
greedy
,
number theory
2000
x1174
251B
Playing with Permutations
implementation
,
math
1800
x1389
251A
Points on Line
binary search
,
combinatorics
,
two pointers
1300
x22494
250E
Mad Joe
brute force
2000
x527
250D
Building Bridge
geometry
,
ternary search
,
two pointers
1900
x1055
250C
Movie Critics
greedy
1600
x2281
250B
Restoring IPv6
implementation
,
strings
1500
x2291
250A
Paper Work
greedy
1000
x5001
249E
Endless Matrix
math
2600
x403
249D
Donkey and Stars
data structures
,
dp
,
geometry
,
math
,
sortings
2700
x609
248E
Piglet's Birthday
dp
,
math
,
probabilities
2600
x697
248D
Sweets for Everyone!
binary search
,
greedy
,
implementation
2300
x554
248C
Robo-Footballer
binary search
,
geometry
2000
x917
248B
Chilly Willy
math
,
number theory
1400
x5933
248A
Cupboards
implementation
800
x25749
246E
Blood Cousins Return
binary search
,
data structures
,
dfs and similar
,
dp
,
sortings
2400
x5006
246D
Colorful Graph
brute force
,
dfs and similar
,
graphs
1600
x10489
246C
Beauty Pageant
brute force
,
constructive algorithms
,
greedy
1600
x2886
246B
Increase and Decrease
greedy
,
math
1300
x12521
246A
Buggy Sorting
constructive algorithms
,
greedy
,
sortings
900
x10423
245H
Queries for Number of Palindromes
dp
,
hashing
,
strings
1800
x9997
245G
Suggested Friends
brute force
,
graphs
2200
x575
245F
Log Stream Analysis
binary search
,
brute force
,
implementation
,
strings
2000
x1005
245E
Mishap in Club
greedy
,
implementation
1400
x3570
245D
Restoring Table
constructive algorithms
,
greedy
1500
x2969
245C
Game with Coins
greedy
1700
x1711
245B
Internet Address
implementation
,
strings
1100
x5581
245A
System Administrator
implementation
800
x9265
244B
Undoubtedly Lucky Numbers
bitmasks
,
brute force
,
dfs and similar
1600
x5019
244A
Dividing Orange
implementation
900
x8734
243E
Matrix
data structures
3000
x292
243D
Cubes
data structures
,
dp
,
geometry
,
two pointers
2700
x262
243C
Colorado Potato Beetle
dfs and similar
,
implementation
2200
x596
243B
Hydra
graphs
,
sortings
2000
x1377
243A
The Brand New Function
bitmasks
1600
x4575
242E
XOR on Segment
bitmasks
,
data structures
2000
x12978
242D
Dispute
dfs and similar
,
graphs
,
greedy
2100
x2096
242C
King's Path
dfs and similar
,
graphs
,
hashing
,
shortest paths
1800
x11874
242B
Big Segment
implementation
,
sortings
1100
x17647
242A
Heads or Tails
brute force
,
implementation
1100
x6948
241G
Challenging Balloons
constructive algorithms
1900
x571
241F
Race
brute force
,
implementation
2300
x308
241E
Flights
graphs
,
shortest paths
2600
x1558
241D
Numbers
2900
x424
241C
Mirror Box
geometry
,
implementation
2000
x550
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