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Copy path35.搜索插入位置.c
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35.搜索插入位置.c
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/*
* @lc app=leetcode.cn id=35 lang=c
*
* [35] 搜索插入位置
*
* https://leetcode-cn.com/problems/search-insert-position/description/
*
* algorithms
* Easy (45.35%)
* Likes: 537
* Dislikes: 0
* Total Accepted: 167.1K
* Total Submissions: 365.9K
* Testcase Example: '[1,3,5,6]\n5'
*
* 给定一个排序数组和一个目标值,在数组中找到目标值,并返回其索引。如果目标值不存在于数组中,返回它将会被按顺序插入的位置。
*
* 你可以假设数组中无重复元素。
*
* 示例 1:
*
* 输入: [1,3,5,6], 5
* 输出: 2
*
*
* 示例 2:
*
* 输入: [1,3,5,6], 2
* 输出: 1
*
*
* 示例 3:
*
* 输入: [1,3,5,6], 7
* 输出: 4
*
*
* 示例 4:
*
* 输入: [1,3,5,6], 0
* 输出: 0
*
*
*/
// @lc code=start
int searchInsert(int* nums, int numsSize, int target)
{
if(!nums || !numsSize)
return 0;
int l = 0, r = numsSize - 1;
int mid = 0;
while (l <= r) {
mid = l + (r - l) / 2;
if(nums[mid] == target) return mid;
else if(nums[mid] < target) l = mid + 1;
else r = mid - 1;
}
return l;
}
// @lc code=end