Predict the output
#include <stdio.h>
int main()
{
float c = 5.0;
printf ("Temperature in Fahrenheit is %.2f", (9/5)*c + 32);
return 0;
}
|
(A) Temperature in Fahrenheit is 41.00
(B) Temperature in Fahrenheit is 37.00
(C) Temperature in Fahrenheit is 0.00
(D) Compiler Error
Answer: (B)
Explanation: Since 9 and 5 are integers, integer arithmetic happens in subexpression (9/5) and we get 1 as its value.
To fix the above program, we can use 9.0 instead of 9 or 5.0 instead of 5 so that floating point arithmetic happens.
#include <stdio.h>
int main()
{
float c = 5.0;
printf ("Temperature in Fahrenheit is %.2f", (9.0/5)*c + 32);
return 0;
}
|
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Last Updated :
01 Aug, 2017
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