Problem 2157. Multiplication

Difficulty:Rate

Multiply two numbers in a different manner. The numbers are given to you as vectors x and y.

Example

 x = [ 1 2 0 1 ]

 y = [ 8 5 1 ]

      1  2  0  1
 X       8  5  1
-------------------
      1  2  0  1
   5 10  0  5
8 16  0  8
----------------
8 21 11 10  5  1

Solve

Last Solution submitted on Apr 19, 2025

J.R.! Menzinger on 6 Feb 2014

You must check every time the result. The only case the will be checked is the 3rd.

J.R.! Menzinger on 6 Feb 2014

And you cannot use randi on the 4th and 5th test case, and then use a fixed correct answer ;-)

Abdullah Caliskan on 6 Feb 2014

thanks ramon,I fixed

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