Lynwnujdx

摘要： 使用二分查找法的前提是：数组里的元素必须为有序的。public class Test { public static void main(String[] args) { int[] arr = new int[]{1,4,5,6,8,10,33,55,66}; int result = search(arr,40); System.out.println(result); } private static int search(int[] arr, int target){ int start = 0; int end = arr.length - 1; int middle = (end 阅读全文