32 lines
695 B
Java
32 lines
695 B
Java
package Searches;
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import java.util.*;
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class PerfectBinarySearch {
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static int binarySearch(int[] arr, int target) {
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int low = 0;
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int high = arr.length - 1;
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while (low <= high) {
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int mid = (low + high) / 2;
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if (arr[mid] == target) {
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return mid;
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} else if (arr[mid] > target) {
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high = mid - 1;
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} else {
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low = mid + 1;
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}
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}
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return -1;
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}
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public static void main(String[] args) {
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PerfectBinarySearch BinarySearch = new PerfectBinarySearch();
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int[] array = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
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assert BinarySearch.binarySearch(array, -1) == -1;
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assert BinarySearch.binarySearch(array, 11) == -1;
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}
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}
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