Q. The smallest element of an array's index is called its

View solution

Q. Which of the following operations is not O(1) for an array of sorted data. You may assume that array elements are distinct.

View solution

Q. Let A[1...n] be an array of n distinct numbers. If i < j and A[i] > A[j], then the pair (i, j) is called an inversion of A. What is the expected number of inversions in any permutation on n elements ?

View solution

Q. Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage.

View solution

Q. Which of these best describes an array?

View solution

Q. A program P reads in 500 integers in the range [0..100] exepresenting the scores of 500 students. It then prints the frequency of each score above 50. What would be the best way for P to store the frequencies?

View solution

Q. Matrix A when multiplied with Matrix C gives the Identity matrix I, what is C?

View solution

Q. What is the disadvantage of matrices?

View solution

Q. Which of the following are the uses of matrices?

View solution

Q. If column-major order is used, how is the following matrix stored in memory?
a b c

d e f

g h i

View solution

Q. If row-major order is used, how is the following matrix stored in memory?
a b c

d e f

g h i

View solution

Q. How do you allocate a matrix using a single pointer in C?(r and c are the number of rows and columns respectively)

View solution

Q. Which of the following property does not hold for matrix multiplication?

View solution

Q. What is the order of a matrix?

View solution

Q. What are the advantages of sparse matrices over normal matrices?

View solution

Q. What is sparsity of a matrix?

View solution

Q. Suppose the contents of an array A are, A = {1, null, null, null, null, 10};
What would be the size of the array considering it as a normal array and a sparse array?

View solution

Q. What is the difference between a normal(naive) array and a sparse array?

View solution

Q. When do you use a sparse array?

View solution

Q. What is a sparse array?

View solution