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EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2)
28:39:52
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combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
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
sortings
string suffix structures
strings
ternary search
trees
two pointers
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Custom test
Problems
#
Name
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23977
1525B
Permutation Sort
constructive algorithms
,
greedy
900
x24369
1525A
Potion-making
math
,
number theory
800
x25170
1523A
Game of Life
implementation
800
x13433
1521A
Nastia and Nearly Good Numbers
constructive algorithms
,
math
,
number theory
1000
x35971
1520C
Not Adjacent Matrix
constructive algorithms
1000
x31011
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x43442
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x50424
1519B
The Cake Is a Lie
dp
,
math
800
x30278
1519A
Red and Blue Beans
math
800
x28434
1517A
Sum of 2050
greedy
,
math
800
x25196
1516A
Tit for Tat
greedy
800
x23197
1515B
Phoenix and Puzzle
brute force
,
geometry
,
math
,
number theory
1000
x24443
1515A
Phoenix and Gold
constructive algorithms
,
greedy
,
math
800
x20086
1514A
Perfectly Imperfect Array
math
,
number theory
800
x23897
1513A
Array and Peaks
constructive algorithms
,
implementation
800
x19226
1512B
Almost Rectangle
implementation
800
x25121
1512A
Spy Detected!
brute force
,
implementation
800
x61270
1511A
Review Site
greedy
800
x27288
1509A
Average Height
constructive algorithms
800
x25802
1506C
Double-ended Strings
brute force
,
implementation
,
strings
1000
x23954
1506A
Strange Table
math
800
x30279
1505A
Is it rated - 2
*special problem
,
implementation
,
interactive
900
x14117
1504A
Déjà Vu
constructive algorithms
,
strings
800
x21502
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18663
1501A
Alexey and Train
implementation
800
x11545
1499B
Binary Removals
brute force
,
dp
,
greedy
,
implementation
1000
x20415
1499A
Domino on Windowsill
combinatorics
,
constructive algorithms
,
math
800
x21064
1498A
GCD Sum
brute force
,
math
800
x22828
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x24003
1496A
Split it!
brute force
,
constructive algorithms
,
greedy
,
strings
900
x20413
1494A
ABC String
bitmasks
,
brute force
,
implementation
900
x20562
1493A
Anti-knapsack
constructive algorithms
,
greedy
800
x19159
1492A
Three swimmers
math
800
x22510
1491A
K-th Largest Value
brute force
,
greedy
,
implementation
800
x18084
1490B
Balanced Remainders
brute force
,
constructive algorithms
,
math
1000
x25822
1490A
Dense Array
greedy
,
math
800
x30828
1488A
From Zero To Y
*special problem
,
math
900
x1367
1487A
Arena
implementation
,
sortings
800
x26287
1486A
Shifting Stacks
greedy
,
implementation
900
x25020
1485A
Add and Divide
brute force
,
greedy
,
math
,
number theory
1000
x21384
1482A
Prison Break
math
800
x20195
1481A
Space Navigation
greedy
,
strings
800
x24717
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x17002
1480A
Yet Another String Game
games
,
greedy
,
strings
800
x25551
1478A
Nezzar and Colorful Balls
brute force
,
greedy
800
x25850
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x35758
1475B
New Year's Number
brute force
,
dp
,
math
900
x47249
1475A
Odd Divisor
math
,
number theory
900
x57088
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x27203
1474A
Puzzle From the Future
greedy
800
x22246
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x30427
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x33076
1472B
Fair Division
dp
,
greedy
,
math
800
x48423
1472A
Cards for Friends
greedy
,
math
800
x41250
1471A
Strange Partition
greedy
,
math
,
number theory
900
x25094
1469B
Red and Blue
dp
,
greedy
1000
x26430
1469A
Regular Bracket Sequence
constructive algorithms
,
greedy
1000
x26803
1468N
Waste Sorting
greedy
,
implementation
900
x7973
1468E
Four Segments
greedy
800
x8671
1467A
Wizard of Orz
constructive algorithms
,
greedy
,
math
900
x24026
1466B
Last minute enhancements
dp
,
greedy
800
x22453
1466A
Bovine Dilemma
brute force
,
geometry
,
math
800
x22339
1462C
Unique Number
brute force
,
greedy
,
math
900
x31746
1462B
Last Year's Substring
dp
,
implementation
,
strings
800
x26761
1462A
Favorite Sequence
implementation
,
two pointers
800
x40502
1461A
String Generation
constructive algorithms
,
greedy
800
x18442
1459A
Red-Blue Shuffle
math
,
probabilities
800
x16859
1455A
Strange Functions
math
,
number theory
800
x26147
1454B
Unique Bid Auction
implementation
800
x27693
1454A
Special Permutation
constructive algorithms
,
probabilities
800
x39665
1453A
Cancel the Trains
implementation
800
x22355
1452C
Two Brackets
greedy
800
x19154
1452A
Robot Program
math
800
x21901
1451B
Non-Substring Subsequence
dp
,
greedy
,
implementation
,
strings
900
x19085
1451A
Subtract or Divide
greedy
,
math
800
x24001
1450B
Balls of Steel
brute force
,
geometry
,
greedy
1000
x14990
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17557
1447B
Numbers Box
greedy
,
math
1000
x15682
1447A
Add Candies
constructive algorithms
,
math
800
x13679
1445B
Elimination
greedy
,
math
900
x15130
1445A
Array Rearrangment
greedy
,
sortings
800
x18890
1443A
Kids Seating
constructive algorithms
,
math
800
x16105
1440B
Sum of Medians
greedy
,
math
900
x17870
1440A
Buy the String
implementation
,
math
800
x19583
1438B
Valerii Against Everyone
constructive algorithms
,
data structures
,
greedy
,
sortings
1000
x18900
1438A
Specific Tastes of Andre
constructive algorithms
,
implementation
800
x19155
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x17862
1436B
Prime Square
constructive algorithms
,
math
900
x20325
1436A
Reorder
math
800
x22485
1433C
Dominant Piranha
constructive algorithms
,
greedy
900
x26571
1433B
Yet Another Bookshelf
greedy
,
implementation
800
x28111
1433A
Boring Apartments
implementation
,
math
800
x50322
1431A
Selling Hamburgers
*special problem
800
x1803
1430C
Numbers on Whiteboard
constructive algorithms
,
data structures
,
greedy
,
implementation
,
math
1000
x23694
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19203
1430A
Number of Apartments
brute force
,
constructive algorithms
,
math
900
x20576
1428A
Box is Pull
math
800
x16213
1427A
Avoiding Zero
math
,
sortings
900
x17025
1426B
Symmetric Matrix
implementation
900
x20442
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