The Pieces of a C Program: Statements, Expressions, and Operators 914
- Rewrite the following nested ifstatements using a single ifstatement and logical
operators.
if (x < 1)
if ( x > 10 )
statement; - To what value do each of the following expressions evaluate?
a.(1 + 2 3)
b.10 % 3 3 - (1 + 2)
c.((1 + 2) * 3)
d.(5 == 5)
e.(x = 5) - If x = 4,y = 6, andz = 2, determine whether each of the following evaluates to
true or false.
a.if( x == 4)
b.if(x != y - z)
c.if(z = 1)
d.if(y) - Write an ifstatement that determines whether someone is legally an adult (age
21), but not a senior citizen (age 65).
10.BUG BUSTER:Fix the following program so that it runs correctly:
/ a program with problems... /
#include <stdio.h>
int x= 1:
int main( void )
{
if( x = 1);
printf(“ x equals 1” );
otherwise
printf(“ x does not equal 1”);
return 0;
}
07 448201x-CH04 8/13/02 11:15 AM Page 91