B.Tech. (I) - ICP-132 (2008)
				Assignment 9

Level 0
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9.0.1. Class P has three private members (x, y, z) which are all integers.
Write a program that implements the function Opt that will make y=-(x+z) to a
constant object of class P.

9.0.2. Set the values of the three coordinates of object of class P using
another class as origin.

9.0.3. Using a class P2, extract the values of (x and y) from an object of
class P.


Level 1
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9.1.1. L1 and L2 are lists of integers with same size. Overload the
operator '+' so that list L3=L1+L2 results in a list that is made by adding
corresponding elements of the two lists.
Eg:
	Input:
		L1: 1, 5
		L2: 2, 6, 8
	Output:
		L3: 1, 5, 2, 6, 8


9.1.2. Let M1 and M2 be two maps. Overload the operator '+' so that map
M3=M1+M2 results in addition of both maps resulting in a map with all the
pairs in M1 and M2. You may assume no common keys between M1 and M2.
Eg:
	Input:
		M1: <"k1", 10>, <"k2", 20>
		M2: <"k3", 30>, <"k4", 60>, <"k5", 70>
	Output:
		M3: <"k1", 10>, <"k2", 20>, <"k3", 30>, <"k4", 60>, <"k5", 70>

9.1.3. Let M1 and M2 be two maps. Overload the operator '+' so that map
M3=M1+M2 results in addition of both maps resulting in a map with all the
pairs with common keys having values added.
Eg:
	Input:
		M1: <"k1", 10>, <"k2", 20>
		M2: <"k1", 30>, <"k4", 60>, <"k5", 70>
	Output:
		M3: <"k1", 40>, <"k2", 20>, <"k4", 60>, <"k5", 70>


Level 2
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9.2.1. Create a class Matrix which stores a 2-d integers of a matrix with
a dimension nxm. Overload operator '+' to add two matrices, each of which is
an object of class Matrix.

9.2.2. Overload operator '+' to add a list and a vector to result in a
list on the lines given in 9.1.1.

9.2.3. Create a class Matrix which stores a 2-d integers of a matrix with
a dimension nxm. Overload operator '*' to multiply two matrices, each of which
is an object of class Matrix.