1
GATE CSE 2000
MCQ (Single Correct Answer)
+1
-0.3
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
$${n^2}(n + 1)/2$$
2
GATE CSE 2000
MCQ (Single Correct Answer)
+1
-0.3
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
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