48 lines
1.4 KiB
Java
48 lines
1.4 KiB
Java
|
//This is a java program to find kth largest element in randomly generated sequence
|
||
|
|
import java.util.Random;
|
||
|
|
import java.util.Scanner;
|
||
|
|
|
||
|
|
public class Kth_Largest
|
||
|
|
{
|
||
|
|
static int N = 20;
|
||
|
|
static int []sequence = new int[N];
|
||
|
|
public static void sort()
|
||
|
|
{
|
||
|
|
System.out.println("The Sequence is: ");
|
||
|
|
for(int i=0; i<N; i++)
|
||
|
|
System.out.print(sequence[i] + " ");
|
||
|
|
System.out.println();
|
||
|
|
int i, j, temp;
|
||
|
|
for (i = 1; i< N; i++)
|
||
|
|
{
|
||
|
|
j = i;
|
||
|
|
temp = sequence[i];
|
||
|
|
while (j > 0 && temp < sequence[j-1])
|
||
|
|
{
|
||
|
|
sequence[j] = sequence[j-1];
|
||
|
|
j = j-1;
|
||
|
|
}
|
||
|
|
sequence[j] = temp;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void main(String args[])
|
||
|
|
{
|
||
|
|
Random random = new Random();
|
||
|
|
for(int i=0; i<N; i++)
|
||
|
|
sequence[i] = Math.abs(random.nextInt(100));
|
||
|
|
Scanner sc = new Scanner(System.in);
|
||
|
|
System.out.println("Enter the kth largest to find");
|
||
|
|
int k = sc.nextInt();
|
||
|
|
sort();
|
||
|
|
System.out.println(k+"th largest element is " + sequence[N-k-1]);
|
||
|
|
sc.close();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Enter the kth largest to find
|
||
|
|
5
|
||
|
|
The Sequence is:
|
||
|
|
77 20 91 48 29 55 2 53 29 7 20 91 78 21 87 81 49 53 77 1
|
||
|
|
5th largest element is 77
|