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Calculate the sum of a Vector times coefficients expressed as two strings.

Example:

Normal representation [ a b c ], [ p1 p2 p3 ], [ m1 m2 m3 ]

sum = a(p1-m1)+b(p2-m2)+c*(p3-m3)

sum=9a+4b-3c+2d-6e-8f would be for v=[a b c d e f]

Given v=[1 2 3 4 5 6]

pcoef='940200'

mcoef='003068'

sum= 9+8-9+8-30-48=-62

This initial solution proposed to minimize size was utilized by Tim.

33 correct solutions
13 incorrect solutions

Last solution submitted on Jan 20, 2015