This program illustrates the use of the STL fill() algorithm to set all
values in a range of values within a vector of integers to a given value.
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Here are the contents of v:
1 2 3 4 5 6 7 8 9 10
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Now we set the 3rd to the 7th values of v to 20.
Here are the revised contents of v:
1 2 20 20 20 20 20 8 9 10
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Now we set all values from the 6th on to -1.
Here are the revised contents of v:
1 2 20 20 20 -1 -1 -1 -1 -1
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Finally, we initialize the entire vector to 0.
Here are the revised contents of v:
0 0 0 0 0 0 0 0 0 0
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