More Problems

• Write a program to calculate the average of the elements in the first column of a matrix.
• Write a program to find the sum of the elements that are multiples of 3 in a matrix.
• Write a program to find the sum of the elements that are multiples of 5 in a matrix.
• Write a program to print the matrix in a triangular pattern starting from the top-left corner.
• Write a program to print the matrix in a triangular pattern starting from the bottom-right corner.
• Write a program to find the product of the odd elements in the diagonal of a matrix.
• Write a program to replace the prime elements in a matrix with -1.
• Write a program to check if a matrix contains only Fibonacci numbers.