C-Programing Sample test 7

1. What is the output of the Program?
#define true 1
#define false 0

int f1()
{
        int i,j;
        for(i=0,j=0;i<321;i++)
                if(i%111==0) j++;
        if (j==3) return true; else return false;
}

int main()
{
        if ( f1() && ! f1() ) return true;
         else return false;
}

(a)  true
(b)  false
(b)  Compile error.



2. What is the output of the Program?
#define true 1
#define false 0

int f1()
{
        char s[4]="abc";
        char *p;
        p=s; p+=2;
        if (*p=='c') return true; else return false;
}

int main()
{
        if ( f1() > 0 ) return true;
        else return false;
}

(a)  true
(b)  false
(b)  Compile error.



3. What is the output of the Program?
#define true 1
#define false 0

int f1()
{
        int i=3;
        short j=0;
        while (i != 2) {i--;j++;};
        if (j) return true; else return false;
}

int main()
{
        if ( f1() || false ) return true;
        else return false;
}

(a)  true
(b)  false
(b)  Compile error.


4. What is the output of the Program?
#define true 1
#define false 0

int f1()
{
        char s[4] = "123";
        if (s[1]=='2') return true; else return false;
}

int main()
{
        if ( f1() && ! f1() ) return true;
         else return false;
}

(a)  true
(b)  false
(b)  Compile error.


5. What is the output of the following Program?        
   
   #define true 1
   #define false 0
   
   int p2(char *s1, char *s2)
   {
           int flag=0;
           if (strlen(s1)==strlen(s2))
           { while ((*s1==*s2) && (*s1)) {s1++; s2++;}
           flag=(*s1==NULL);}
           return (flag);
   }
   
   int f1()
   {
           if (p2("AB","AB")) return true; else return
   false;
   }
   
   int main()
   {
           if ( f1() || true ) return true;
           else return false;
   }
   
   (a)  true
   (b)  false
   (b)  Compile error.




Click here for answers