2 First index means, the index of first occurrence of x in the input array. 3 Do this recursively. Indexing in the array starts from 0. 4 Input Format : 5 Line 1 An Integer N i.e. size of array 6 Line 2: N integers which are elements of the array, separated by spaces Line 3 Integer x 7 8 Output Format : first index or -1 Constraints : 1 <=N <= 10^3 Sample Input: 9 0 1 2 13 14 4 9 8 10 8
2 First index means, the index of first occurrence of x in the input array. 3 Do this recursively. Indexing in the array starts from 0. 4 Input Format : 5 Line 1 An Integer N i.e. size of array 6 Line 2: N integers which are elements of the array, separated by spaces Line 3 Integer x 7 8 Output Format : first index or -1 Constraints : 1 <=N <= 10^3 Sample Input: 9 0 1 2 13 14 4 9 8 10 8
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
![1 Given an array of length N and an integer x, you need to find and return the first index of integer x present in the arra
2 First index means, the index of first occurrence of x in the input array.
3
Do this recursively. Indexing in the array starts from 0.
4
Input Format :
5
Line 1: An Integer N i.e. size of array
6
Line 2
7
Line 3 Integer x
8
Output Format :
9
first index or -1
10
Constraints :
11
1 <= N <= 10^3
12
Sample Input :
13
4
14 9 8 10 8
15 8
N integers which are elements of the array, separated by spaces.
16 Sample Output:
17
1
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Solution: /////////
public class Solution {
}
public static int firstIndex(int input[], int x, int startIndex) {
if(startIndex==input. length) {
return -1;
}
if(input[start Index] ==x){
}
return startIndex;
}
return firstIndex(input, x, startIndex+1);
public static int firstIndex(int input[], int x) {
return firstIndex (input, x, 0);](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3437af43-6a1b-4faa-a426-da58e71127ca%2F49daeb4f-cdf8-421d-a9db-985e9650b205%2Fujvk9sp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1 Given an array of length N and an integer x, you need to find and return the first index of integer x present in the arra
2 First index means, the index of first occurrence of x in the input array.
3
Do this recursively. Indexing in the array starts from 0.
4
Input Format :
5
Line 1: An Integer N i.e. size of array
6
Line 2
7
Line 3 Integer x
8
Output Format :
9
first index or -1
10
Constraints :
11
1 <= N <= 10^3
12
Sample Input :
13
4
14 9 8 10 8
15 8
N integers which are elements of the array, separated by spaces.
16 Sample Output:
17
1
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Solution: /////////
public class Solution {
}
public static int firstIndex(int input[], int x, int startIndex) {
if(startIndex==input. length) {
return -1;
}
if(input[start Index] ==x){
}
return startIndex;
}
return firstIndex(input, x, startIndex+1);
public static int firstIndex(int input[], int x) {
return firstIndex (input, x, 0);
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