100: t1 = y + 2
101: initial = x / t1
102: limit = 10
103: if i > j goto 105
104: goto 111
105: if num > b goto 107
106: goto 111
107: num = limit - 1
108: b = y + 2
109: i = i - num
110: goto 103
111: j = i - num
112: k = j + b

Which of the following is the correct flow graph (adjacency matrix of basic blocks B1–B7, row → column means an edge) for the TAC given in the passage?

1. A

   0	1	0	0	0	0	0
   0	0	1	1	0	0	0
   0	0	0	0	0	0	1
   0	0	0	0	1	1	0
   0	0	0	0	0	0	1
   0	1	0	0	0	0	0
   0	0	0	0	0	0	0

2. B

   0	1	0	0	0	0
   0	0	1	0	0	0
   1	0	1	0	0	0
   0	1	0	0	0	1
   0	0	0	0	0	1
   0	0	0	0	0	1

3. C

   0	1	0	0	0	0
   0	0	1	0	0	0
   1	0	1	0	0	0
   0	1	0	0	0	1
   0	0	0	0	0	1
   0	0	0	0	0	1

4. D

   0	1	0	0	0	0	0
   0	0	0	1	0	1	0
   0	0	0	0	0	0	1
   0	0	1	0	0	1	0
   0	0	0	0	0	0	1
   0	1	0	0	0	0	0
   0	1	0	0	0	0	0

Pick an option to check yourself, or open the answer below.