Next Smaller Element To The Left
medium
1. You are given a number n, representing the size of array a. 2. You are given n numbers, representing elements of array a. 3. You are required to "next smaller element on the left" for all elements of array 4. Input and output is handled for you. "Next smaller element on the left" of an element x is defined as the first element to left of x having value smaller than x. Note -> If an element does not have any element on it's left side smaller than it, consider -1 as it's "next smaller element on left" e.g. for the array [2 5 9 3 1 12 6 8 7] Next smaller for 2 is -1 Next smaller for 5 is 2 Next smaller for 9 is 5 Next smaller for 3 is 2 Next smaller for 1 is -1 Next smaller for 12 is 1 Next smaller for 6 is 1 Next smaller for 8 is 6 Next smaller for 7 is 6
Constraints
0 <= n < 10^5 -10^9 <= a[i] <= 10^9
Format
Input
Input is managed for you
Output
Output is managed for you
Example
Sample Input
5
5
3
8
-2
7
Sample Output
-1
-1
3
-1
-2