Word Counts to File

Write a function void writeWordCounts(const string& src, const string& dst) that reads every whitespace-separated word from the file src, counts how many times each word appears, and writes the result to the file dst (created or truncated): one line per distinct word, in alphabetical order, as the word, a space, its count, then a newline. Words are compared exactly (case-sensitive). Use a map<string, int>.

For a source file containing apple pear apple the file dst must contain exactly:
apple 2
pear 1

Do NOT write a main function.

Expected Output:

apple 2↵
pear 1↵
a 2↵
b 2↵
c 1↵

= newline. The output ends with a newline — print one after the last line.

Hints4 available

Topics:

Streamsofstream

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