Array and Matrix

Array is a linear data structure that hold finite sequential collection of homogeneous data. We can store a collection of values in an array.
Array uses an integer value index to access a specific element. Index starts from 0 and goes till N-1(where N is the size of array).

Array representation in memory
Array and variable representation in memory
Arrays are divided in two categories.
  • One-dimensional array
  • Multi-dimensional array
In this exercise we will focus on one-dimensional and multi-dimensional array. We will learn to implement and use arrays in programming.

Required knowledge



List of array and matrix programming exercises

  1. Write a C program to read and print elements of array. - using recursion.
  2. Write a C program to print all negative elements in an array.
  3. Write a C program to find sum of all array elements. - using recursion.
  4. Write a C program to find maximum and minimum element in an array. - using recursion.
  5. Write a C program to find second largest element in an array.
  6. Write a C program to count total number of even and odd elements in an array.
  7. Write a C program to count total number of negative elements in an array.
  8. Write a C program to copy all elements from an array to another array.
  9. Write a C program to insert an element in an array.
  10. Write a C program to delete an element from an array at specified position.
  11. Write a C program to count frequency of each element in an array.
  12. Write a C program to print all unique elements in the array.
  13. Write a C program to count total number of duplicate elements in an array.
  14. Write a C program to delete all duplicate elements from an array.
  15. Write a C program to merge two array to third array.
  16. Write a C program to find reverse of an array.
  17. Write a C program to put even and odd elements of array in two separate array.
  18. Write a C program to search an element in an array.
  19. Write a C program to sort array elements in ascending or descending order.
  20. Write a C program to sort even and odd elements of array separately.
  21. Write a C program to left rotate an array.
  22. Write a C program to right rotate an array.

List of matrix programming exercises

  1. Write a C program to add two matrices.
  2. Write a C program to subtract two matrices.
  3. Write a C program to perform Scalar matrix multiplication.
  4. Write a C program to multiply two matrices.
  5. Write a C program to check whether two matrices are equal or not.
  6. Write a C program to find sum of main diagonal elements of a matrix.
  7. Write a C program to find sum of minor diagonal elements of a matrix.
  8. Write a C program to find sum of each row and column of a matrix.
  9. Write a C program to interchange diagonals of a matrix.
  10. Write a C program to find upper triangular matrix.
  11. Write a C program to find lower triangular matrix.
  12. Write a C program to find sum of upper triangular matrix.
  13. Write a C program to find sum of lower triangular matrix.
  14. Write a C program to find transpose of a matrix.
  15. Write a C program to find determinant of a matrix.
  16. Write a C program to check Identity matrix.
  17. Write a C program to check Sparse matrix.
  18. Write a C program to check Symmetric matrix.

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