MCQs in Computer

Question

What is o/p printed when i/p is =1 2 3

Answer 1

'scanf' returns the number of items successfully read

so 

3

-1-2-3

Comments

Oh Gosh! Thank you!

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i hope return values of printf or scanf never asked in GATE.

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yes.. hope so

Answer 2

Answer will be: 3   (By printf("%d",scanf("%c%c%c",&x,&y,&z);)

                           -1- -2  (By printf("\n-%c-%c-%c",x,y,z);)

Comments

                           -1- -2  (By printf("\n-%c-%c-%c",x,y,z);)

Do you mean -1-2-3 ?

Also why is the output 3 here?

Answer will be: 3   (By printf("%d",scanf("%c%c%c",&x,&y,&z);)

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Why -1- - 2(in second line)?