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Kasim Kamal Questions
290 Questions
A type alias (§ 2.5.1, p. 67) can make it easier to read, write, and understand pointers to multidimensional arrays. For example
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2022-07-05
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we can even more easily write this loop using the library begin and end functions (§ 3.5.3, p. 118)
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With the advent of the new standard, we can often avoid having to write the type of a pointer into an array by using auto or decltype (§ 2.5.2, p. 68)
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Because a multidimensional array is really an array of arrays, the pointer type to which the array converts is a pointer to the first inner array
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There is a deeper reason for using references. As an example, consider the following loop
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Under the new standard we can simplify the previous loop by using a range for
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As another example, it is common to use a pair of nested for loops to process the elements in a multidimensional array
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If we supply fewer subscripts than there are dimensions, then the result is the inner-array element at the specified index
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Multidimensional arrays may be initialized by specifying bracketed values for each row
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We define an array whose elements are arrays by providing two dimensions: the dimension of the array itself and the dimension of its elements
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The specified range can be a subset of the array
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To do so, we specify the address of the first element and one past the last element that we wish to copy
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There is, however, a string member function named c_str that we can often use to accomplish what we want
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