May I ask what is wrong with line 17 of my code? How to correct it? Thanks
May I ask what is wrong with line 17 of my code? How to correct it? Thanks
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
May I ask what is wrong with line 17 of my code? How to correct it? Thanks
![1
def longestIncreasingSubsequence(s: List[Int]): List[Int] = {
2 val n = s.length
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val dp = Array.fill (n) (1)
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for (i <- 1 until n) {
5
for (j <-0 until i) {
6
if (s(j) < s(i)) {
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dp (i) = math.max(dp(i), dp(j) + 1)
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PROBLEMS
}
}
val maxLength = dp.max
var subsequence = List[Int]()
var index = n - 1
}
}
while (subsequence.length < maxLength && index >= 0) {
if (dp (index) ==maxLength) {
subsequence = s(index) :: subsequence
maxLength -= 1
}
index -= 1
subsequence
OUTPUT DEBUG CONSOLE TERMINAL
polynomials.spec.scala a03-polynomials\src\test\scala-3 1
value = is not a member of Int - did you mean maxLength.!=? bloop(8) [Ln 17, Col 6]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f1f56f6-a769-4b12-a499-cf1e3f7149ba%2F317e2286-4ccf-40f5-9afd-3f73a4d83e94%2Fvrxddh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1
def longestIncreasingSubsequence(s: List[Int]): List[Int] = {
2 val n = s.length
3
val dp = Array.fill (n) (1)
4
for (i <- 1 until n) {
5
for (j <-0 until i) {
6
if (s(j) < s(i)) {
7
dp (i) = math.max(dp(i), dp(j) + 1)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
PROBLEMS
}
}
val maxLength = dp.max
var subsequence = List[Int]()
var index = n - 1
}
}
while (subsequence.length < maxLength && index >= 0) {
if (dp (index) ==maxLength) {
subsequence = s(index) :: subsequence
maxLength -= 1
}
index -= 1
subsequence
OUTPUT DEBUG CONSOLE TERMINAL
polynomials.spec.scala a03-polynomials\src\test\scala-3 1
value = is not a member of Int - did you mean maxLength.!=? bloop(8) [Ln 17, Col 6]
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