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- // vector::data
- #include <iostream>
- #include <vector>
- int main ()
- {
- std::vector<int> myvector (5);
- int* p = myvector.data();
- *p = 10;
- ++p;
- *p = 20;
- p[2] = 100;
- std::cout << "myvector contains:";
- for (unsigned i=0; i<myvector.size(); ++i)
- std::cout << ' ' << myvector[i];
- std::cout << '\n';
- return 0;
- }
- why is output
- myvector contains: 10 20 0 100 0
- instead of
- myvector contains: 10 20 100 0 0
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