float area(const float pi = 3.1415, const float float r) { r = 10; return pi*r; }Is there any problem? If yes what is it?

float area(const float pi = 3.1415, const float float r) { r = 10;

1.	float area(const float pi = 3.1415, const float float r) { r = 10; return pi*r; }Is there any problem? If yes what is it?
Answer» There is an error. The error is ‘r’ is a constant V must be initialised and cannot be changed during execution.

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float area(const float pi = 3.1415, const float float r) { r = 10; return pi*r; }Is there any problem? If yes what is it?

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