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Create Indexsequentialsearch in java

pull/874/head
Devansh Singh 2022-10-02 01:28:15 +05:30 committed by GitHub
parent 226ad61eec
commit a53596a6b1
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1 changed files with 57 additions and 0 deletions
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algorithms/Java/searching/Indexsequentialsearch.java 100644
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import java.util.*;
public class Indexsequential {
public static void main(String[] args) {
int n,c;
Scanner sc=new Scanner(System.in);
n=sc.nextInt();
int ar[]=new int[n];
for(int i=0;i<ar.length;i++)
ar[i]=sc.nextInt();
c=sc.nextInt();
indexsearch(ar,c);
}
public static void indexsearch(int[] ar,int s)
{
int l=(ar.length/3)+1,a=0;
int arr[]=new int[l];
for(int i=0;i<ar.length;i+=3)
{
arr[a++]=i;
}
int j=0,f=0;;
while(j<l)
{
if(ar[arr[j]]==s)
{
f=1;
break;
}
else if(ar[arr[j]]<s)
{
j++;
if(j==l)
for(int i=arr[j-1];i<ar.length;i++)
{
if(ar[i]==s)
{f=1;
j++;
break;
}
}
}
else
for(int i=arr[j-1];i<ar.length;i++)
{
if(ar[i]==s)
{f=1;
j++;
break;
}
}
}
if(f==1)
System.out.println("Element found.");
else
System.out.println("Element not found. ");
}
}