flowingfog

偶尔刷题

  博客园  :: 首页  :: 新随笔  :: 联系 ::  :: 管理

分析

难度 易

来源

https://leetcode.com/problems/search-insert-position/description/

题目

Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order.

You may assume no duplicates in the array.

Example 1:

Input: [1,3,5,6], 5
Output: 2

Example 2:

Input: [1,3,5,6], 2
Output: 1

Example 3:

Input: [1,3,5,6], 7
Output: 4

Example 4:

Input: [1,3,5,6], 0
Output: 0

解答

 1 package LeetCode;
 2 
 3 public class L35_SearchInsertPosition {
 4     public int searchInsert(int[] nums, int target) {
 5         int pos=0;
 6         int len=nums.length;
 7         if(len==0)
 8             return pos;
 9         else if(len==1){
10             if(nums[0]>=target)
11                 pos=0;
12             else
13                 pos=1;
14         }else{
15             for(int i=0;i<len;i++)
16             {
17                 if(nums[i]<target)
18                     pos++;
19                 else
20                     break;
21             }
22         }
23         return pos;
24     }
25 }

posted on 2018-10-15 21:02  flowingfog  阅读(280)  评论(0编辑  收藏  举报