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Custom test
Problems
#
Name
954A
Diagonal Walking
implementation
800
x11046
952C
Ravioli Sort
implementation
1600
x3061
950B
Intercepted Message
greedy
,
implementation
1100
x7999
950A
Left-handers, Right-handers and Ambidexters
implementation
,
math
800
x16375
948A
Protect Sheep
brute force
,
dfs and similar
,
graphs
,
implementation
900
x15314
946E
Largest Beautiful Number
greedy
,
implementation
2200
x1244
940D
Alena And The Heater
binary search
,
implementation
1600
x3757
940C
Phone Numbers
constructive algorithms
,
implementation
,
strings
1500
x6684
939B
Hamster Farm
implementation
1000
x11270
938A
Word Correction
implementation
800
x12042
937A
Olympiad
implementation
,
sortings
800
x16399
936C
Lock Puzzle
constructive algorithms
,
implementation
,
strings
2300
x1259
936A
Save Energy!
binary search
,
implementation
,
math
1700
x4639
935B
Fafa and the Gates
implementation
900
x12417
935A
Fafa and his Company
brute force
,
implementation
800
x47218
934B
A Prosperous Lot
constructive algorithms
,
implementation
1200
x9163
931C
Laboratory Work
implementation
,
math
1700
x3488
931B
World Cup
constructive algorithms
,
implementation
1200
x7456
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x13088
930D
Game with Tokens
data structures
,
games
,
implementation
2500
x446
930B
Game with String
implementation
,
probabilities
,
strings
1600
x3113
929B
Места в самолёте
*special problem
,
implementation
1300
x2087
929A
Прокат велосипедов
*special problem
,
greedy
,
implementation
1400
x2557
928C
Dependency management
*special problem
,
graphs
,
implementation
1900
x905
926C
Is This a Zebra?
implementation
1700
x2090
926A
2-3-numbers
implementation
,
math
1300
x4160
925B
Resource Distribution
binary search
,
implementation
,
sortings
1700
x2350
924A
Mystical Mosaic
greedy
,
implementation
1300
x5215
923D
Picking Strings
constructive algorithms
,
implementation
,
strings
2500
x1259
922A
Cloning Toys
implementation
1300
x12602
920D
Tanks
dp
,
greedy
,
implementation
2400
x809
920B
Tea Queue
implementation
1200
x8101
920A
Water The Garden
implementation
1000
x8195
919C
Seat Arrangements
brute force
,
implementation
1300
x9429
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x31602
919A
Supermarket
brute force
,
greedy
,
implementation
800
x16956
918B
Radio Station
implementation
,
strings
900
x19868
918A
Eleven
brute force
,
implementation
800
x18231
917A
The Monster
dp
,
greedy
,
implementation
,
math
1800
x3675
916A
Jamie and Alarm Snooze
brute force
,
implementation
,
math
900
x9556
915E
Physical Education Lessons
data structures
,
implementation
,
sortings
2300
x5565
915B
Browser
implementation
1300
x8398
915A
Garden
implementation
900
x16019
914B
Conan and Agasa play a Card Game
games
,
greedy
,
implementation
1200
x9058
914A
Perfect Squares
brute force
,
implementation
,
math
900
x15720
913B
Christmas Spruce
implementation
,
trees
1200
x19459
913A
Modular Exponentiation
implementation
,
math
900
x24175
912A
Tricky Alchemy
implementation
800
x14383
911E
Stack Sorting
constructive algorithms
,
data structures
,
greedy
,
implementation
2000
x2853
911B
Two Cakes
binary search
,
brute force
,
implementation
1200
x12803
911A
Nearest Minimums
implementation
1100
x12307
910B
Door Frames
greedy
,
implementation
1600
x1872
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x13990
909D
Colorful Points
data structures
,
greedy
,
implementation
2100
x2105
908F
New Year and Rainbow Roads
graphs
,
greedy
,
implementation
2400
x1608
908C
New Year and Curling
brute force
,
geometry
,
implementation
,
math
1500
x7202
908B
New Year and Buggy Bot
brute force
,
implementation
1200
x7902
908A
New Year and Counting Cards
brute force
,
implementation
800
x15841
907B
Tic-Tac-Toe
implementation
1400
x4228
907A
Masha and Bears
brute force
,
implementation
1300
x5960
906A
Shockers
implementation
,
strings
1600
x4420
903E
Swapping Characters
brute force
,
hashing
,
implementation
,
strings
2200
x1577
903B
The Modcrab
greedy
,
implementation
1200
x8124
903A
Hungry Student Problem
greedy
,
implementation
900
x15515
902A
Visiting a Friend
greedy
,
implementation
1100
x10275
900A
Find Extra One
geometry
,
implementation
800
x14954
899E
Segments Removal
data structures
,
dsu
,
flows
,
implementation
,
two pointers
2000
x3517
899B
Months and Years
implementation
1200
x6435
898C
Phone Numbers
implementation
,
strings
1400
x5791
898B
Proper Nutrition
brute force
,
implementation
,
number theory
1100
x10647
898A
Rounding
implementation
,
math
800
x17579
897A
Scarborough Fair
implementation
800
x15086
895A
Pizza Separation
brute force
,
implementation
1200
x6910
893D
Credit Card
data structures
,
dp
,
greedy
,
implementation
1900
x3331
893B
Beautiful Divisors
brute force
,
implementation
1000
x12663
893A
Chess For Three
implementation
900
x11052
892B
Wrath
greedy
,
implementation
,
two pointers
1200
x9963
892A
Greed
greedy
,
implementation
900
x14941
888C
K-Dominant Character
binary search
,
implementation
,
two pointers
1400
x8980
888A
Local Extrema
brute force
,
implementation
800
x11974
887C
Solution for Cube
brute force
,
implementation
1500
x2975
887B
Cubes for Masha
brute force
,
implementation
1300
x5955
887A
Div. 64
implementation
1000
x11944
886D
Restoration of string
constructive algorithms
,
graphs
,
implementation
2000
x1955
886C
Petya and Catacombs
dsu
,
greedy
,
implementation
,
trees
1300
x5675
884B
Japanese Crosswords Strike Back
implementation
1100
x7564
884A
Book Reading
implementation
800
x11278
883K
Road Widening
constructive algorithms
,
greedy
,
implementation
1800
x1216
883H
Palindromic Cut
brute force
,
implementation
,
strings
1800
x1783
883F
Lost in Transliteration
implementation
1300
x2385
883E
Field of Wonders
implementation
,
strings
1500
x2037
883C
Downloading B++
binary search
,
implementation
2300
x663
883A
Automatic Door
implementation
2200
x653
879B
Table Tennis
data structures
,
implementation
1200
x14404
879A
Borya's Diagnosis
implementation
900
x9572
878B
Teams Formation
data structures
,
implementation
2300
x1119
877A
Alex and broken contest
implementation
,
strings
1100
x11549
876B
Divisiblity of Differences
implementation
,
math
,
number theory
1300
x10321
875C
National Property
2-sat
,
dfs and similar
,
graphs
,
implementation
2100
x2365
875B
Sorting the Coins
dsu
,
implementation
,
sortings
,
two pointers
1500
x5392
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implementation
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
communication
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
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strings
ternary search
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