Code
The following pseudocode snippet describes a segment of a computer program. What value of Y is displayed?
SET Y = 30 SET X = 3 While X ≥ 2 Y = Y*X X = X - 1 End While Print Y
Expand Hint
The code is running a loop.
$$X$$
increases incrementally every time the code cycles through.
Hint 2
Factor in the exit criteria for the loop to end. Track the
$$X$$
and
$$Y$$
values for each cycle.
The code is running a loop.
$$X$$
increases incrementally every time the code cycles through. Although the exit criteria is based on
$$X$$
, we’ll need to track both
$$X$$
and
$$Y$$
for every cycle. Running through the script logically:
Loop is exited once
$$X = 1$$
. When
$$X = 1$$
,
$$Y = 180$$
.
Thus, the value of
$$Y$$
that is printed is 180.
180
Time Analysis
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Similar Problems from FE Sub Section: Software Syntax Guidelines
104. VAR Code
370. Pseudocode
379. Complex Code
Similar Problems from FE Section: Software Engineering
104. VAR Code
370. Pseudocode
379. Complex Code