Division of 4

Easy

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Problem statement

Given an array, update each element of the array by the value obtained by dividing the element by 4 (take only integer part). If the value obtained by dividing element by 4 comes out to be 0, then update element with value -1.

Note : Do not return or print array and make changes in same array.

Detailed explanation ( Input/output format, Notes, Images )

Input Format :

Line 1 : An Integer N i.e. size of array
Line 2 : N integers which are elements of the array, separated by spaces

Output Format :

N elements of array, separated by space

Constraints :

1 <= N <= 10^6

Sample Input :

 2 
 3 8

Sample Output :

 -1 2

Division of 4

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