Briefly explain what is occuring in the following pieces of a program in C++ for

Question

Briefly explain what is occuring in the following pieces of a program in C++ format.

For instance what specifically does i<values.size()-1 do?


1) for (int i= pos; i<values.size()-1;i++)
values[i]=values[i+1];
values.pop_back();

2) double average (vector<double> values)
if (values.size()==0) return 0;
double sum= 0;
for (int i= 0; i<values.size();i++)
sum=sum+values[i];
return sum/values.size();

3) vector<int. between_locations(vector<double> values, double low, double high)
{ vector<int> pos;
for (inti=0; i< values.size(); i++)
{
if (low<= values[i] && values[i] <= high)
pos.push_back(i);
}
return pos;
}

Explanation / Answer

for (int i= pos; i

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