Computer Science, asked by aditikrishna235, 11 months ago

write a program to input 100 integer data. Ask the user to enter data to search. Using binary search, display search successful with index value or search unsuccessful.
using java.

Answers

Answered by mrgenius1811
2

Answer:

* Program: Binary Search Example * Written by: Chaitanya from beginnersbook.com * Input: Number of elements, element's values, value to be searched * Output:Position of the number input by user among other numbers*/ import java.util.Scanner; class BinarySearchExample { public static void main(String args[]) { int counter, num, item, array[], first, last, middle; //To capture user input Scanner input = new Scanner(System.in); System.out.println("Enter number of elements:"); num = input.nextInt(); //Creating array to store the all the numbers array = new int[num]; System.out.println("Enter " + num + " integers"); //Loop to store each numbers in array for (counter = 0; counter < num; counter++) array[counter] = input.nextInt(); System.out.println("Enter the search value:"); item = input.nextInt(); first = 0; last = num - 1; middle = (first + last)/2; while( first <= last ) { if ( array[middle] < item ) first = middle + 1; else if ( array[middle] == item ) { System.out.println(item + " found at location " + (middle + 1) + "."); break; } else { last = middle - 1; } middle = (first + last)/2; } if ( first > last ) System.out.println(item + " is not found.\n"); } }

Explanation:

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