Define StackQueue as an abstract data type containing the operations of both stack and queue. In StackQueue, the top of StackQueue is the same as the front of the StackQueue. Based on the program below, write down the output. If StackQueue X contains numbers {1, 2, 3, 4}, where 1 is the front/top, the print format "print(X)" is “(front/top) 1 2 3 4 (rear)". StackQueue *A, *B; A = malloc(sizeof(StackQueue)); B = malloc(sizeof(StackQueue)); push(A, 11); push(A, 111); push(A, 1111); push(A, 11111); print(A); // part (a) enqueue(B, topandpop(A)); enqueue(B, top(A)); enqueue(B, dequeue(B)); print(B); // part (b) enqueue (A, dequeue(B) + top(A)); push(A, dequeue(A) + popandtop(B)); print(A); // part (c) What are the output for part (a), part (b) and part (c)?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Define StackQueue as an abstract data type containing the operations of both stack and
queue. In StackQueue, the top of StackQueue is the same as the front of the
StackQueue. Based on the program below, write down the output.
If StackQueue X contains numbers {1, 2, 3, 4)}, where 1 is the front/top, the print format
"print(X)" is “(front/top) 1 234 (rear)".
StackQueue *A, *B;
A = malloc(sizeof(StackQueue));
B = malloc (sizeof(StackQueue));
push(A, 11); push(A, 111); push(A, 1111); push(A, 11111);
print(A); // part (a)
enqueue (B, topandpop(A));
enqueue (B, top(A));
enqueue (B, dequeue(B));
print(B); // part (b)
enqueue (A, dequeue(B) + top(A));
push(A, dequeue (A) + popandtop(B));
print(A); // part (c)
What are the output for part (a), part (b) and part (c)?
Transcribed Image Text:Define StackQueue as an abstract data type containing the operations of both stack and queue. In StackQueue, the top of StackQueue is the same as the front of the StackQueue. Based on the program below, write down the output. If StackQueue X contains numbers {1, 2, 3, 4)}, where 1 is the front/top, the print format "print(X)" is “(front/top) 1 234 (rear)". StackQueue *A, *B; A = malloc(sizeof(StackQueue)); B = malloc (sizeof(StackQueue)); push(A, 11); push(A, 111); push(A, 1111); push(A, 11111); print(A); // part (a) enqueue (B, topandpop(A)); enqueue (B, top(A)); enqueue (B, dequeue(B)); print(B); // part (b) enqueue (A, dequeue(B) + top(A)); push(A, dequeue (A) + popandtop(B)); print(A); // part (c) What are the output for part (a), part (b) and part (c)?
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