/** * File: linear-search.js * Created Time: 2022-12-22 * Author: JoseHung (szhong@link.cuhk.edu.hk) */ const ListNode = require("../include/ListNode"); /* 线性查找(数组) */ function linearSearchArray(nums, target) { // 遍历数组 for (let i = 0; i < nums.length; i++) { // 找到目标元素,返回其索引 if (nums[i] === target) { return i; } } // 未找到目标元素,返回 -1 return -1; } /* 线性查找(链表)*/ function linearSearchLinkedList(head, target) { // 遍历链表 while(head) { // 找到目标结点,返回之 if(head.val === target) { return head; } head = head.next; } // 未找到目标结点,返回 null return null; } /* Driver Code */ var target = 3; /* 在数组中执行线性查找 */ var nums = [1, 5, 3, 2, 4, 7, 5, 9, 10, 8]; var index = linearSearchArray(nums, target); console.log("目标元素 3 的索引 = " + index); /* 在链表中执行线性查找 */ var linkedList = new ListNode(); var head = linkedList.arrToLinkedList(nums); var node = linearSearchLinkedList(head, target); console.log("目标结点值 3 的对应结点对象为 " + node);