1
GATE CSE 1992
Subjective
+2
-0
Assume that the last element of the set is used as partition element in Quicksort. If n distinct elements from the set [1…n] are to be sorted, give an input for which Quicksort takes maximum time.
2
GATE CSE 1987
MCQ (Single Correct Answer)
+2
-0.6
Let P be a quicksort program to sort numbers in ascending order. Let t1 and t2 be the time taken by the program for the inputs [1 2 3 4] and [5 4 3 2 1], respectively. Which of the following holds?
A
t1 = t2
B
t1 > t2
C
t1 < t2
D
t1= t2 + 5 log 5
3
GATE CSE 1987
Subjective
+2
-0
Find a solution to the following recurrence equation
T(n) = T(n - 1)+ n
T(1) = 1
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