Given the following definition for a map, which code fragment is valid? Map mymap; A) mymap[3, "hello"] = 10; B) mymap.push_backPair3, "hello")); C) mymap[10] = "hello"; D) mymap["hello"] = 3;

Question

Given the following definition for a map, which code fragment is valid?
Map<int, string> mymap;
A) mymap[3, "hello"] = 10;
B) mymap.push_backPair3, "hello"));
C) mymap[10] = "hello";
D) mymap["hello"] = 3;

Quizplus · Accepted Answer

This code fragment assigns the value "hello" to the key 10 in the map. Option A is invalid syntax as it tries to assign a value to a pair (3, "hello") instead of a key-value pair. Option B is invalid syntax as there is no push_backPair() function for maps. Option D is also invalid syntax as the key type in the definition of the map is int, not string.

Given the Following Definition for a Map, Which Code Fragment