35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
// addpntrs.cpp -- pointer addition
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#include <iostream>
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int main()
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{
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using namespace std;
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double wages[3] = {10000.0, 20000.0, 30000.0};
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short stacks[3] = {3, 2, 1};
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// Here are two ways to get the address of an array
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double * pw = wages; // name of an array = address
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short * ps = &stacks[0]; // or use address operator
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// with array element
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cout << "pw = " << pw << ", *pw = " << *pw << endl;
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pw = pw + 1;
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cout << "add 1 to the pw pointer:\n";
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cout << "pw = " << pw << ", *pw = " << *pw << "\n\n";
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cout << "ps = " << ps << ", *ps = " << *ps << endl;
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ps = ps + 1;
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cout << "add 1 to the ps pointer:\n";
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cout << "ps = " << ps << ", *ps = " << *ps << "\n\n";
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cout << "access two elements with array notation\n";
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cout << "stacks[0] = " << stacks[0]
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<< ", stacks[1] = " << stacks[1] << endl;
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cout << "access two elements with pointer notation\n";
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cout << "*stacks = " << *stacks
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<< ", *(stacks + 1) = " << *(stacks + 1) << endl;
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cout << sizeof(wages) << " = size of wages array\n";
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cout << sizeof(pw) << " = size of pw pointer\n";
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// cin.get();
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return 0;
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}
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