This program illustrates the use of the STL generate_n() algorithm to fill
a range of values starting at a given location in a vector of integers with
a specified number of values generated by the rand() function from <cstdlib>.
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Here are the initial contents of v:
0 0 0 0 0 0 0 0 0 0
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Now we generate 6 random integer values and place them
into the vector, starting at location 3.
Here are the revised contents of v:
0 0 41 18467 6334 26500 19169 15724 0 0
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Finally, we fill v with newly generated random integer values.
Here are the revised contents of v:
11478 29358 26962 24464 5705 28145 23281 16827 9961 491
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