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Description:
AP Computer Science 1.3 Standard Algorithms. How many times will mystery be called for mystery(4), including the initial call?
Transcript
- 00:00
Thank you We sneak and here's your smug dooz your
- 00:05
featuring rijker jh in defined in the dictionary as now
- 00:10
Riker asians hope that helps How many times will mystery
- 00:14
he called for mystery for including the initial call Thinking
- 00:21
helps returns All right And here your potential answers bunching
Full Transcript
- 00:25
up All right ready Pause and go I will Taking
- 00:30
a peek at the mystery function It looks like it'll
- 00:32
recur over itself If n does not equal zero one
- 00:38
or two All right well we're being asked how many
- 00:41
times mystery will get called if we give in the
- 00:45
value of floor like scooby doo All right well there's
- 00:49
really No better way for us to figure it out
- 00:52
And the old patent paper So from the top mystery
- 00:55
for that's one call if any cool Zero No no
- 00:59
If n equals one uh nope If n equals two
- 01:03
new well so we'll move along to this else case
- 01:07
and return mystery and minus one or three plus two
- 01:11
times mystery and minus two Better known as two Yeah
- 01:17
well that's Two more calls counting All right Well let's
- 01:22
take the low hanging fruit and handle that call to
- 01:24
mystery too It's an easy one that will simply return
- 01:28
to after having been caught by the if and equals
- 01:31
two statements The mystery three however won't get caught by
- 01:34
the ef zero one or two statements and we'll have
- 01:37
us calling mystery again two more times So we have
- 01:40
mystery and minus one which is to now will return
- 01:44
a two We've got that again that if statement catches
- 01:48
any shoes that it sees and mystery and minus two
- 01:52
is one and little return Ah one when caught by
- 01:56
the and equals one statement so looks like ryker shin
- 01:59
is over and we won't be making any more calls
- 02:03
to mystery making the answer five Well we sure are 00:02:07.235 --> [endTime] glad that's over and over and over over Yeah
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