Solved Placement Papers of Societe Generale

In what way the Symmetry Sparse Matrix can be stored efficiently?

If column-major order is used, how is the following matrix stored in memory?

If the array is already sorted, then the running time for merge sort is: ?

quicksort algorithm is used to sort an array of N elements. If all the N values w
complexity of quicksort that uses first element as the pivot. ?

The complexity of merge sort algorithm is

What is the time taken to delete a minimum element in a leftist heap?

The amortized time efficiency for performing deletion of a minimum element is?

Consider the C function given below. Assume the array listA contains (n>0) elements, sorted in ascending order.

int Process array (int * list A, int x, int n)
{
int i, j, k;
i =0;j=n-1;
do {
k = (i+j)/2;
if (x<=list A[k])
j=k-1;
if (list A[k] <=x)
i =k+1;
} while (i <=j);
if (list A[k] == x)
return (k);
else
return -1;
}

In worst case Quick Sort has order

Select the code snippet which returns the top of the stack.

I. public int top()
{
if(q1.size()>0)
{
return q1.poll();
}
else if(q2.size()>0)
{
return q2.poll();
}
return 0;
}

II. public int top()
{
if(q1.size()==0)
{
return q1.peek();
}
else if(q2.size()==0)
{
return q2.peek();
}
return 0;
}

III. public int top()
{
if(q1.size()>0)
{
return q1.peek();
}
else if(q2.size()>0)
{
return q2.peek();
}
return 0;
}

IV. public int top()
{
if(q1.size()>0)
{
return q2.peek();
}
else if(q2.size()>0)
{
return q1.peek();
}
return 0;
}