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Topic: Matrix Manipulation Problem / Level: beginner
Problem:
Write a program to replace all even numbers in the matrix with -1 and odd numbers with 2.
More Problems
Write a program to calculate the sum of all prime elements in the first and last rows.
Write a program to calculate the sum of all prime elements in the first and last columns.
Write a program to print all the elements in the matrix that are divisible by 4 and 6.
Write a program to print all the elements in the matrix that are divisible by 9 and 11.
Write a program to check if the matrix contains only odd prime numbers in the first diagonal.
Write a program to check if the matrix contains only even composite numbers in the second diagonal.
Write a program to print the matrix elements in alternating row zigzag pattern.
Write a program to print the matrix elements in alternating column zigzag pattern.
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