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What will happen when the following code is run:
int x;
while(x<100)
{
cout<<x;
x++;
}




1) The computer will output "0123...99"


2) The computer will output "0123...100"


3) The output is undefined

Question Posted / viju

Answers were Sorted based on User's Feedback



What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / nk

Output is undefined because initially variable 'x' is not
initialized and may contain some garbage value.

However if we initialize 'x' to 0 then choice#1 is correct.

Is This Answer Correct ?    13 Yes 0 No

What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / d n gavade

The Answer is 3)The Output is undefined because x is not
initialised and its datatype is auto int so that its inital
value will be garbage.

Is This Answer Correct ?    3 Yes 0 No

What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / deepanker aggarwal

the answer is 3 because x is not initialised and it may
contain any garbage value

Is This Answer Correct ?    1 Yes 0 No

What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / rakesh

the output is undefined
because c++ do not implicitly initialised the varible. it
gives garbage value for uninitialized variables

Is This Answer Correct ?    1 Yes 0 No

What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / ibrazileasum

The initial value of x is not defined to '0' hence the complier will not start from 0 as initial value. This is a garbage error to the compiler

Is This Answer Correct ?    0 Yes 0 No

What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / aravind

In most of the compilers now all declared variables are
usually initialised with 0. So in most compilers result
would be #1. But in some cases the garbage values may creep
up.

Is This Answer Correct ?    0 Yes 1 No

What will happen when the following code is run: int x; while(x<100) { cout<<x; x++; ..

Answer / sanish joseph

ans s absolutely right..

Is This Answer Correct ?    1 Yes 3 No

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