This program illustrates the use of the STL inner_product() algorithm (default
version) to compute the inner product of two ranges of integer values from two
vectors of integers.
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Here are the contents of v1:
2 1 4 3 6 5
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Here are the contents of v2:
1 2 3 4 5 6 7 8
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The inner product of the values in v1 with the values
starting at the beginning of v2 is 88.
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The inner product of the the last three values of each vector,
combined with an initial value of 10, is 110.
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