33 lines
582 B
C++
33 lines
582 B
C++
#include <iostream>
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using namespace std;
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class Vector {
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public:
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Vector (int s) : elem {new double[s]}, sz {s} {} // construct a Vector
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double& operator[] (int i) { return elem[i]; } // random access
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int size () { return sz; }
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private:
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double* elem; // pointer to the elements
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int sz; // the number of elements
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};
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double
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read_and_sum (int s)
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{
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Vector v (s);
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for (int i = 0; i != v.size (); ++i)
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cin >> v[i];
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double sum = 0;
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for (int i = 0; i != v.size (); ++i)
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sum += v[i];
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return sum;
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}
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int
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main ()
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{
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cout << read_and_sum (5) << endl;
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}
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