R7.30Assuming the following declarations, find the mistakes in the statements below. struct A { int m1[2]; int m2; } struct B { A a1; A* a2; int m3; } A a; B b[2]; a.b[0].a2 = a; b.b[1].m2 = 42; c.b[2].a2 = new A; d.b[0].a1.m1 = 42; e

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.