(Debug) Determine and correct the errors in the following programs.a. #include using names...

(Debug) Determine and correct the errors in the following programs.

a.

#include using namespace std;int main(){width = 15area = length * width;cout << "The area is " << area}

b.

#include using namespace std;int main(){int length, width, area;area = length * width;length = 20;width = 15;cout << "The area is " << area;return 0;

c.

#include int main(){int length = 20; width = 15, area;length * width = area;cout << "The area is " , area;return 0;}