搜索插入位置(二分法)-C语言

搜索插入位置(二分法)

#include 
int searchInsert(int* nums, int numsSize, int target);
int main()
{
	int nums[5] = {3, 4, 6, 7, 8};
	int target;
	while(1)
	{
		printf("请输入目标值：");
		scanf("%d", &target);
		int index = searchInsert(nums, 5, target);
		printf("插入索引位置:%dn", index);
	}

}
int searchInsert(int* nums, int numsSize, int target)
{
    if(nums == NULL || numsSize == 0)
        return -1;
    int left = 0;
    int right = numsSize - 1;
    while(left <= right)
    {
        int mid = (left + right) >> 1;
        if(nums[mid] > target)
            right = mid - 1;
        else if(nums[mid] < target)
            left = mid + 1;
        else
            return mid;
    }
    return left;
}