What is a Sparse Matrix? How do you implement sparse array using STL m

1.	What is a Sparse Matrix? How do you implement sparse array using STL map?
Answer» Though both of them PERFORM similar tasks, the differences between a Copy Constructor and an assignment operator is as follows: While the former is an overloaded Constructor the LATTER is a Bitwise Operator. The Copy Constructor can be used to initialize a new object with an existing object which is an overloaded Constructor while an assignment operator is INVOKED only when an object is being assigned to ANOTHER object. An assignment operator returns a value by default unlike a Copy Constructor. Both of them perform shallow copying by default. An overloaded assignment operator can be used to do DEEP copying.

What is a Sparse Matrix? How do you implement sparse array using STL map?

Answer»

Though both of them PERFORM similar tasks, the differences between a Copy Constructor and an assignment operator is as follows:

While the former is an overloaded Constructor the LATTER is a Bitwise Operator.
The Copy Constructor can be used to initialize a new object with an existing object which is an overloaded Constructor while an assignment operator is INVOKED only when an object is being assigned to ANOTHER object.
An assignment operator returns a value by default unlike a Copy Constructor. Both of them perform shallow copying by default. An overloaded assignment operator can be used to do DEEP copying.