We access the elements of a vector the same way that we access the characters in a string: through their position in the vector. For example, we can use a range for (§ 3.2.3, p. 91) to process all the elements in a vector

belongs to book: C++ Primer|Stanley B.Lippman, Josee Lajoie, Barbara E.Moo|5th Edition| Chapter number:3| Question number:e.g3.3.3.1

KasimKamal

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2022-07-04

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We access the elements of a vector the same way that we access the characters in a string: through their position in the vector. For example, we can use a range for (§ 3.2.3, p. 91) to process all the elements in a vector.

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KasimKamal

2022-07-04

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vector<int> v{1,2,3,4,5,6,7,8,9};
for (auto &i : v) // for each element in v (note: i is a reference)
i *= i; // square the element value
for (auto i : v) // for each element in v
cout << i << " "; // print the element
cout << endl;

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We access the elements of a vector the same way that we access the characters in a string: through their position in the vector. For example, we can use a range for (§ 3.2.3, p. 91) to process all the elements in a vector

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