LeetCode 35. Search Insert Position

Posted 2021-01-13 flowingfog

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 }