Multiply two polynomials
Easy Accuracy: 83.4% Submissions: 4148 Points: 2

Given two polynomials represented by two arrays that contains the coefficients of poynomials, returns the polynomial in form of array formed after multiplication of given polynomials.


Example 1:

Input:
M = 4, N = 3
Arr1 = {1 , 0, 3, 2}
Arr2 = {2, 0, 4}
Output: {2, 0, 10, 4, 12, 8}
Explaination: 
First polynomial: 
1 + 0x1 + 3x2 + 2x3
Second polynomial: 
2 + 0x1 + 4x2
Product polynomial:
2 + 0x1 + 10x2 + 4x3 + 12x4 + 8x5


Example 2:

Input:
M = 5, N = 4
Arr1 = {1, 9, 3, 4, 7}
Arr1 = {4, 0, 2, 5}
Output: {4, 36, 14, 39, 79, 23, 34, 35}
Explaination: 
First polynomial: 
1 + 9x1 + 3x2 + 4x3 + 7x4
Second polynomial: 
4 + 0x1 + 2x2 + 5x3
Product polynomial:
4 + 36x1 + 14x2 + 39x3 + 79x4 + 23x5 + 34x6 + 35x7


Your Task:
You don't need to read input or print anything. Your task is to complete the function polyMultiply() which takes the array Arr1[] and Arr2[]and their size M and N as input parameters and returns the polynomial in form of array formed after multiplication of given polynomials..


Expected Time Complexity: O(M*N)
Expected Auxiliary Space: O(M*N)


Constraints:
1 ≤ M, N ≤ 100
1 ≤  Arr1[i] , Arr2[i]  ≤ 100

We are replacing the old Disqus forum with the new Discussions section given below.
Click here to view old Disqus comments.


to report an issue on this page.

Editorial

We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?

Yes

All Submissions

My Submissions:

Login to access your submissions.

Multiply two polynomials

Output Window