3 address code

Question

Comments

B?

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p->level1    Q->level

this type of methods are called backpatching

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P:Level1 and Q: Level,

in while loop, condition satisfies, then executes some statement and come back to loop again ==> Q = level.

Answer 1

while loop is saying if condition is true go inside the loop else exit loop

so P= level 1

      Q= level

is doing same thing.

Ans:B

Answer 2

P: Level1 Q: level

when if() statement is true it will goto P=Level1 and compute its value and again check for the next condition so Q=Level else end the loop and goto last.