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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x483793
1A
Theatre Square
math
1000
x246567
50A
Domino piling
greedy
,
math
800
x229679
617A
Elephant
math
800
x170946
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x168518
69A
Young Physicist
implementation
,
math
1000
x155609
486A
Calculating Function
implementation
,
math
800
x109853
200B
Drinks
implementation
,
math
800
x108255
318A
Even Odds
math
900
x106616
1328A
Divisibility Problem
math
800
x93795
479A
Expression
brute force
,
math
1000
x89013
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87411
1335A
Candies and Two Sisters
math
800
x78978
1352A
Sum of Round Numbers
implementation
,
math
800
x72408
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71390
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71154
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71119
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70219
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67585
581A
Vasya the Hipster
implementation
,
math
800
x67353
1154A
Restoring Three Numbers
math
800
x66600
151A
Soft Drinking
implementation
,
math
800
x66106
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62685
758A
Holiday Of Equality
implementation
,
math
800
x57525
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57141
1475A
Odd Divisor
math
,
number theory
900
x55498
1343B
Balanced Array
constructive algorithms
,
math
800
x53811
9A
Die Roll
math
,
probabilities
800
x52761
1374A
Required Remainder
math
800
x50757
1367B
Even Array
greedy
,
math
800
x50440
1352C
K-th Not Divisible by n
binary search
,
math
1200
x50222
1624A
Plus One on the Subset
math
800
x49888
1433A
Boring Apartments
implementation
,
math
800
x49448
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x48998
1551A
Polycarp and Coins
greedy
,
math
800
x48564
1360A
Minimal Square
greedy
,
math
800
x48144
520B
Two Buttons
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
,
shortest paths
1400
x48083
1472B
Fair Division
dp
,
greedy
,
math
800
x47639
1283A
Minutes Before the New Year
math
800
x46738
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x46718
1475B
New Year's Number
brute force
,
dp
,
math
900
x46572
1343A
Candies
brute force
,
math
900
x46384
1374B
Multiply by 2, divide by 6
math
900
x46036
1426A
Floor Number
implementation
,
math
800
x45672
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45341
1873B
Good Kid
brute force
,
greedy
,
math
800
x44605
1294A
Collecting Coins
math
800
x44415
1371A
Magical Sticks
math
800
x44401
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x44365
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x44321
1857A
Array Coloring
greedy
,
math
800
x43763
270A
Fancy Fence
geometry
,
implementation
,
math
1100
x43547
584A
Olesya and Rodion
math
1000
x42996
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42977
1520D
Same Differences
data structures
,
hashing
,
math
1200
x42867
1542A
Odd Set
math
800
x42425
476A
Dreamoon and Stairs
implementation
,
math
1000
x41284
1472A
Cards for Friends
greedy
,
math
800
x40926
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40735
233A
Perfect Permutation
implementation
,
math
800
x40538
1921A
Square
greedy
,
math
800
x40076
742A
Arpa’s hard exam and Mehrdad’s naive cheat
implementation
,
math
,
number theory
1000
x40022
1296A
Array with Odd Sum
math
800
x39603
1941A
Rudolf and the Ticket
brute force
,
math
800
x39082
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x39036
1729A
Two Elevators
math
800
x39016
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x38495
1342A
Road To Zero
greedy
,
math
1000
x38453
1348A
Phoenix and Balance
greedy
,
math
800
x38432
1899A
Game with Integers
games
,
math
,
number theory
800
x38256
1358A
Park Lighting
greedy
,
math
800
x38189
1579A
Casimir's String Solitaire
math
,
strings
800
x37856
1385A
Three Pairwise Maximums
math
800
x37634
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37392
1327A
Sum of Odd Integers
math
1100
x36990
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36920
1955A
Yogurt Sale
math
800
x36806
124A
The number of positions
math
1000
x36397
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x36159
1537A
Arithmetic Array
greedy
,
math
800
x36135
1790A
Polycarp and the Day of Pi
implementation
,
math
,
strings
800
x35696
1369A
FashionabLee
geometry
,
math
800
x35652
1593A
Elections
math
800
x35605
1873C
Target Practice
implementation
,
math
800
x35574
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35563
1352B
Same Parity Summands
constructive algorithms
,
math
1200
x35478
1521A
Nastia and Nearly Good Numbers
constructive algorithms
,
math
,
number theory
1000
x35422
478B
Random Teams
combinatorics
,
constructive algorithms
,
greedy
,
math
1300
x35346
1950C
Clock Conversion
implementation
,
math
800
x35319
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x35108
1660A
Vasya and Coins
greedy
,
math
800
x35106
1560B
Who's Opposite?
math
800
x34749
1858A
Buttons
games
,
greedy
,
math
800
x34514
1363A
Odd Selection
brute force
,
implementation
,
math
1200
x34473
1624B
Make AP
implementation
,
math
900
x34363
1353C
Board Moves
math
1000
x34247
1337B
Kana and Dragon Quest game
greedy
,
implementation
,
math
900
x33125
1669C
Odd/Even Increments
greedy
,
greedy
,
implementation
,
math
800
x32998
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32897
1294C
Product of Three Numbers
greedy
,
math
,
number theory
1300
x32416
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