CCSB163 Final - Mar 2007.pdf - MetaLab - Universiti Tenaga Nasional

Question 3
(a) Change program fragment below from do–while loop to the equivalent while
loop.
x = 0;
do{
printf(“%d\n”, x);
x++;
}while(x < 100);
[4 marks]
(b) Write a C program fragment using for loop to calculate x y (x to the power of y)
where x and y are variables.
(e)
[5 marks]
Write a C program fragment using nested for loops to produce the diagram
below
Question 4
BBBBBBBBB
BBBBBBB
BBBBB
BBB
B
[6 marks]
The function chr2val below is supposed to return the equivalent integer value of
the character in input_digit if it is a valid digit character. Otherwise, it will
return -1. Fill up the FIVE blanks accordingly
________ chr2val (char input_digit)
{
}
if (________ && ________)
else
return ________;
return ________;
[5 marks]
Semester 2 2006/2007
Page 10 of 11
Principles of Programming