Question

In this task you will get a vector of strings that contains words, you
are required to return a map which will contain each unique word as a
key, and the number of occurrences of each word as a value.
For example:
Given the following array of strings:
"hello", "world","this","is","this","hello"
You will return:
"hello",2
"world", 1
"this",2
"is", 1​

Answer 1

Answer:

sorry but not understood