4. Predict the output or error(s) of the following c code

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9

main()
{
	float me = 1.1;
	double you = 1.1;
	if(me==you)
		printf("I love U");
	else
		printf("I hate U");
}

Answer:
I hate U

Explanation:
For floating point numbers (float, double, long double) the values cannot be predicted exactly. Depending on the number of bytes, the precession with of the value represented varies. Float takes 4 bytes and long double takes 10 bytes. So float stores 0.9 with less precision than long double.

Rule of Thumb:
Never compare or at-least be cautious when using floating point numbers with relational operators (== , >, <, =,!= ) .