problem 1) prepare a program to find out the sum of the elements above and below the main diagonal of a square matrix.

problem 2) prepare a program to check the equality of two matrices.

problem 3) prepare a program to print all the elements of a square matrix except the diagonal elements.

problem 4) prepare a program to find the maximum, minimum and second maximum of a matrix.

problem 5) prepare a program to sort the elements of a matrix row- wise and column-wise.

problem 6) prepare a program to print squares of diagonal elements of a square matrix.

problem 7) prepare a program which finds the locations and values of largest and second largest element in a two dimensional array.

problem 8) Using a two dimensional array A[n*n], prepare a program to prepare a one dimensional array B[n2] that will have all the elements of A as if they are stored in column major form.

problem 9) Using a two dimensional array A[n*n], prepare a program to prepare a one dimensional array B[n2] that will have all the elements of A as if they are stored in row major form.

problem 10) prepare a program that receives the month and year from the keyboard as integers and prints the calendar of the given month. (According to the Gregorian calendar 01/01/1900 was Monday)

problem 11) prepare a program to print the lower half and upper half of a square matrix.

problem 12) prepare a program to construct a magic square.

problem 13) prepare a program to find out the trace of a matrix.

problem 14) prepare a program to compute the determinant of a square matrix of real numbers.