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1

### GATE CSE 2004

A single array A[1..MAXSIZE] is used to implement two stacks, The two stacks grow from opposite ends of the array. Variables top1 and top2 (top1 < top2) point to the location of the topmost element in each of the stacks, If the space is to be used efficiently, the condition for "stack full" is
A
(top 1 = MAXSIZE/2) AND (top 2 = MAXSIZE/2 + 1)
B
top 1 + top 2 = MAXSIZE
C
(top 1 = MAXSIZE/2) or (top 2 = MAXSIZE)
D
top 1 = top 2 - 1
2

### GATE CSE 2000

Suppose you are given an array s[1..n] and a procedure reverse (s, i, j) which reverse the order of elements in s between positions i and j (both inclusive). What does the following sequence do, where $$1 \le k < n:$$ reverse (s, 1, k);
reverse (s, k+1, k);
reverse (s, 1, n);
A
Rotates s left by k positions
B
Leaves s unchanged
C
Reverse all elements of s
D
None of the above
3

### GATE CSE 2000

An n $$\times$$ n array v is defined as follows V [i, j] = i - j for all i, j, $$1 \le i \le n,\,1 \le j \le n$$ The sum of the elements of the array v is
A
0
B
n - 1
C
$${n^2} - 3n + 2$$
D
$${n^2}(n + 1)/2$$
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GATE CSE 2020 (1)
GATE CSE 2005 (1)
GATE CSE 2004 (1)
GATE CSE 2000 (2)

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