Find Neighbor

Bob is a mathematician he likes to collect data about various things. Now he want to find the data about neighbors. Given an array of n integers, Bob task is to find for each array position the nearest position to its left having a smaller value. If there is no such position, print 0. ### Input - First line will contain $n$, the size of array. - second line contain n integers arr[1],arr[2],arr[3]