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Topic: IT TEST ID:03

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balu
Senior Member

Joined: 20Feb2007
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Posts: 236

Topic: IT TEST ID:03
Posted: 23Feb2007 at 1:03pm

48. What is printed by the print statements in the program P1, assuming call-by-reference parameter passing?

Program P1()
{
X=10,y=3;
func1(y,x,x);
print x;
print y;
}

func(x,y,z)
{
y=y+4;
z=x+y+z;
}

56. Quick sort is run on two inputs below to sort in ascending order

(i) 1,2,3,………n
(ii) n,n-1,…….2,1

Let C1 and C2 be the number of camparsions made for the input (i) and (ii) repectively. Then,

I have doubt in the answers of these questions.....

Can anybody help me plz...

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manju
Senior Member

Joined: 20Feb2007
Online Status: Offline
Posts: 221

Posted: 23Feb2007 at 1:05pm

for 1st question, ans 31,3!!!

Actual value of Y is untouched and modification is on X only,

As it is a pass by reference,

y= y+4 (this makes X =14,since pass by ref. z value is also changed to 14)

z=x+y+z(this means 3+14+14 = 31)

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vukkusila_ravi
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Joined: 20Jul2007
Location: India
Online Status: Offline
Posts: 1

Posted: 31Jul2007 at 1:37am

the answer for ur question is c1=c2 because

both takes same time complexity l.e., O(n2).

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