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Q: Point out the error, if any, in the following program. main() {     int a = 10;     void f();     a = f();     printf ( "\n %d", a ); } void f() {     printf ( "\n Hi "); }

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Answer :
Explanation :

In spite of defining the function f() as returning void, the program is trying to collect the value returned by f() in the variable a.

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