Interview Questions Answers in C

suresh babu

{ City } hyderabad
< Country > india
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Question { IBM, 16534 }

what is the Output?
int a=4 b=3;
printf("%d%d%d%d%d%d",a++,++a,a++,a++,++a,a++);

printf("%d%d%d%d%d%d",b--,b--,--b,b--,--b,--b);

Answer

output
997664
-2-1-1112

here the concept is very is....
the work flow of the printf statement is right to left
and display of the statement is left to right.......
thats all very simple logic

Is This Answer Correct ?

7 Yes

0 No

Question { IBM, 21026 }

#include
void main()
{
int a=5,b=6,c;
int x=(a int y=(x==7)*9;
int z=(c=x+y)*2;
printf("%h %h %h",x,y,z);
}
What is the output? Explain it.

Answer

output
x=8
y=0
z=16

Is This Answer Correct ?

1 Yes

3 No