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Discussion of Problem 1408. Polynomial Multiplication

If you have WA @ 2 or 4.
Posted by 198808xc 29 Sep 2010 19:34
Test 2 is the case that output is 0.
For example:
Input
a - a
b
Output
0
(My output was nothing)

Test 4 is the case that some power would be 0.
For example:
Input
a^00 - b
1 - b*b^0
Output
b^2 - 2*b + 1

Good luck.