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Why ‘&’ operator is not used with array names in a scanf statement? 

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In scanf() statement, the “address of” operator (&) either on the element of the array (e.g marks[i]) or on the variables (e.g &rate) are used. In doing so, the address of this particular array element is passed to the scanf() function, rather then its value; which is what scanf() requires. BUT many times the address of zeroth element (also called as base address) can be passed by just passing the name of the array. 

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