USE C++ programming language 1) State whether the following declarations are valid or invalid. Give reasons for the invalid declarations and draw memory layout for the valid declarations i)int var, *ptr; ptr = &var; ii)float fvar; int *ptr = &fvar;

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Q: de is must ---Below.

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Literals

A literal in computer science is used to express a fixed value in source code. They cannot be modified. Almost all programs have these fixed values or literals.