citicorp

C questions



main()

{

int x=10,y=15;

x=x++;

y=++y;

printf("%d %d\n",x,y);

}





int x;

main()

{

int x=0;

{

int x=10;

x++;

change_value(x);

x++;

Modify_value();

printf("First output: %d\n",x);

}

x++;

change_value(x);

printf("Second Output : %d\n",x);

Modify_value();

printf("Third Output : %d\n",x);

}



Modify_value()

{

return (x+=10);





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}



change_value()

{

return(x+=1);

}



main()

{

int x=20,y=35;

x = y++ + x++;

y = ++y + ++x;

printf("%d %d\n",x,y);

}



main()

{

char *p1="Name";

char *p2;

p2=(char *)malloc(20);

while(*p2++=*p1++);

printf("%s\n",p2);

}



main()

{

int x=5;

printf("%d %d %d\n",x,x<<2,x>>2);

}



#define swap1(a,b) a=a+b;b=a-b;a=a-b;

main()

{

int x=5,y=10;

swap1(x,y);

printf("%d %d\n",x,y);

swap2(x,y);

printf("%d %d\n",x,y);





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}



int swap2(int a,int b)

{

int temp;

temp=a;

b=a;

a=temp;

return;

}



main()

{

char *ptr = "Ramco Systems";

(*ptr)++;

printf("%s\n",ptr);

ptr++;

printf("%s\n",ptr);

}



#include

main()

{

char s1[]="Ramco";

char s2[]="Systems";

s1=s2;

printf("%s",s1);

}



#include

main()

{

char *p1;

char *p2;

p1=(char *) malloc(25);

p2=(char *) malloc(25);

strcpy(p1,"Ramco");

strcpy(p2,"Systems");

strcat(p1,p2);





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printf("%s",p1);

}



1.enum day = { jan = 1 ,feb=4, april, may}

what is the value of may?

a)4 b)5 c)6 d)11

e)none of the above

2.main

{

int x,j,k;

j=k=6;x=2; ans x=1

x=j*k;

printf("%d", x);



3. fn f(x)



{ if(x<=0)

return; ans fn(5) ....?

else f(x-1)+x;



? Help M Main Menu P PrevMsg

return; ans fn(5) ....?

else f(x-1)+x;

}



4. i=20,k=0;

for(j=1;j
{

k+=j<10?4:3;

}



printf("%d", k); ans k=4

5. int i =10

main()

{

int i =20,n;

for(n=0;n<=i;)

{

int i=10

i++;



? Help M Main Menu P PrevMint i=10

i++;

}

printf("%d", i); ans i=20







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6. int x=5;

y= x&y

( MULTIPLE CHOICE QS)

ans : c





7. Y=10;

if( Y++>9 && Y++!=10 && Y++>10)

printf("........ Y);

else printf("".... )



ans : 13

8. f=(x>y)?x:y

a) f points to max of x and y8. f=(x>y)?x:y

a) f points to max of x and y

b) f points to min of x and y

c)error

d) ........



ans : a





9. if x is even, then



(x%2)=0

x &1 !=1

x! ( some stuff is there)



a)only two are correct

b) three are correct

c), d) ....

c), d) ....





ans : all are correct



10. which of the function operator cannot be over loaded



a) <= b)?: c)== d)*



ans: b and d