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What type can be used to subscript a map? What type does the subscript operator return? Give a concrete example—that is, define a map and then write the types that can be used to subscript the map and the type that would be returned from the subscript operator
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2022-07-11
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Contrast the following program with the one in the previous exercise
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What does the following program do
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Rewrite the map that stored vectors of children’s names with a key that is the family last name for the exercises in § 11.2.1 (p. 424) to use a multimap
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Given a map<string, vector<int>>, write the types used as an argument and as the return value for the version of insert that inserts one element
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2022-07-11
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Assuming word_count is a map from string to size_t and word is a string, explain the following loop
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2022-07-11
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Rewrite the word-counting program from § 11.1 (p. 421) to use insert instead of subscripting. Which program do you think is easier to write and read? Explain your reasoning
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2022-07-11
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Define a variable that you initialize by calling begin() on the multiset named bookstore from § 11.2.2 (p. 425). Write the variable’s type without using auto or decltype
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Write the type of map_it from the loop on page 430 without using auto or decltype
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Assuming c is a multiset of strings and v is a vector of strings, explain the following calls. Indicate whether each call is legal
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Using a map iterator write an expression that assigns a value to an element
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2022-07-11
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What are the mapped_type, key_type, and value_type of a map from int to vector<int>
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2022-07-11
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Extend the map of children to their family name that you wrote for the exercises in § 11.2.1 (p. 424) by having the vector store a pair that holds a child’s name and birthday
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2022-07-11
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