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Workspace demo: VS Code (C++)

In the file source.cpp in the workspace linked below, write a program that outputs the perimeter of a rectangle of a user-provided integer length and width. Your output must match the example exactly, including the whitespace and the newline character at the end. 

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Enter the length: 5
Enter the width: 4
The perimeter of the rectangle is: 18
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Workspace demo: VS Code (C++)

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Started at:
2026-08-04 23:37:41 (CDT)
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