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Authors:
Walter Savitch ,julia Lobur
Chapter:
Standard Template Library
Exercise:
Self-test Exercises
Question:14 | ISBN:9780321531346 | Edition: 7

Question

How many elements will be in the map mymap after the following code is

executed?

map<int, string> mymap;

mymap[5] = "c++";

cout << mymap[4] << endl;

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Answer

mymap will contain two entries.

One is a mapping from 5 to "c++" and the other is a mapping from 4 to the default string, which is blank.

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