The range-based for loop, in C++ 11, is designed to work with a built-in variable known as the ________.

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The range-based for loop in C++ 11 is designed to work with a built-in variable known as the range variable, which is used to iterate over the elements of a range such as an array or a container. This variable can be declared using auto or explicitly specifying the type, and the loop will automatically iterate over its elements, making it a convenient and readable way to write loops in modern C++.

The Range-Based for Loop, in C++ 11, Is Designed to Work