The following two functions P1 and P2 that share a variable B with an initial value of 2 execute concurrently. P1() { C = B – 1; B = 2*C; } P2() { D = 2 * B; B = D - 1; } The number of distinct values that B can possibly take after the execution is

The following two functions P1 and P2 that share a variable B with an

1.	The following two functions P1 and P2 that share a variable B with an initial value of 2 execute concurrently. P1() { C = B – 1; B = 2C; } P2() { D = 2 B; B = D - 1; } The number of distinct values that B can possibly take after the execution is
A.	3
B.	2
C.	5
D.	4
Answer» B. 2

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The following two functions P1 and P2 that share a variable B with an initial value of 2 execute concurrently. P1() { C = B – 1; B = 2*C; } P2() { D = 2 * B; B = D - 1; } The number of distinct values that B can possibly take after the execution is

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The following two functions P1 and P2 that share a variable B with an initial value of 2 execute concurrently. P1() { C = B – 1; B = 2C; } P2() { D = 2 B; B = D - 1; } The number of distinct values that B can possibly take after the execution is