File Size with seekg/tellg

Write a function long fileSize(const string& filename) that opens filename with an fstream in ios::in | ios::binary mode (the open is already written for you), seeks to the end with seekg(0, ios::end), and returns tellg() cast to long.

The test creates the file, calls your function and prints the result on its own line. For a file containing exactly the eleven characters hello world (no newline) it prints the output shown in Expected Output.

Do NOT write a main function.

Expected Output:

11↵
0↵

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

Hints2 available

Topics:

Streamsfstream

Code Editor

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Your Output

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Test Cases

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