if we supply exactly two int values, those values could be a size and an initial value, or they could be values for a two-element vector. We specify which meaning we intend by whether we use curly braces or parentheses

belongs to book: C++ Primer|Stanley B.Lippman, Josee Lajoie, Barbara E.Moo|5th Edition| Chapter number:3| Question number:e.g3.3.1.7

KasimKamal

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2022-07-04

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if we supply exactly two int values, those values could be a size and an initial value, or they could be values for a two-element vector. We specify which meaning we intend by whether we use curly braces or parentheses.

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KasimKamal

2022-07-04

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vector<int> v1(10); // v1 has ten elements with value 0
vector<int> v2{10}; // v2 has one element with value 10
vector<int> v3(10, 1); // v3 has ten elements with value 1
vector<int> v4{10, 1}; // v4 has two elements with values 10 and 1

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if we supply exactly two int values, those values could be a size and an initial value, or they could be values for a two-element vector. We specify which meaning we intend by whether we use curly braces or parentheses

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