What is the difference between a normal(naive) array and a sparse array?
A. Sparse array can hold more elements than a normal array
B. Sparse array is memory efficient
C. Sparse array is dynamic
D. A naive array is more efficient
Answer: Option B
A. Sparse array can hold more elements than a normal array
B. Sparse array is memory efficient
C. Sparse array is dynamic
D. A naive array is more efficient
Answer: Option B
What is the time complexity of accessing an element in an array by index?
A. O(n)
B. O(1)
C. O(log n)
D. O(n log n)
Which of the following is the correct way to declare an array in C?
A. int array[];
B. array{int};
C. int array[10];
D. int array();
How do you find the length of an array in Java?
A. array.size();
B. array.length;
C. array.length();
D. array.size;
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