Given below are some ways to declare and initialize pair. Choose the correct alternative way to do so:
pair p1
pair p2
pair p3
pair p4
(A) pair p1 and pair p2
(B) pair p3 and pair p4
(C) pair p1 and pair p4
(D) All of them
Answer: (D)
Explanation:
Pair is used to combine together two values which may be different in type. Pair provides a way to store two heterogeneous objects as a single unit.
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