WAP to find out if a given number is a power series of 2 or not,withou t any loop and without using % modulo operator.

Questions: Top-30-c-programs-asked-in-interview_6304.html

30. WAP to find out if a given number is a power series of 2 or not,withou t any loop and without using % modulo operator.

#include
#include
int pow2(float );
void main()
{
int i,flag;
clrscr();
printf("Enter the number\n") ;
scanf("%d" ,&i);
flag=pow2( i);
if(flag)
printf("\n %d is power series of 2",i);
else
printf("\n %d is not a power series of 2",i);
getch();
}

int pow2(float j)
{
static float x;
x=j/2;
if(x==2)
return 1;
if(x
return 0;
x=pow2(x);
}

Code for duplicate s removal

Questions: Top-30-c-programs-asked-in-interview_6304.html

29. Code for duplicate' s removal,by Amit Aru.
#include
#include
void main()
{
int i,j,k=0,co unt[300]={ 0};
char ch,str[100 0],str1[10 00];
clrscr();
printf("\n Enter the string to remove duplicasy\ n:");
gets(str);
for (i=0;str[i ]!='\0';i+ +)
{
ch=str[i];
count['']=0; / * U can use other delimiter inplace of space''here,just put that char inside'',for ex: count['A']=0 ; if u dnt want any delimiter, just remove this line.*/

if(count[c h])
continue;
else
{
str1[k++]= ch;
count[ch]= 1;
}
}
puts(str1) ;
getch();
}

Count the Total Number of 7 comming between 1 to 100.

Questions: Top-30-c-programs-asked-in-interview_6304.html

28.Count the Total Number of 7 comming between 1 to 100.

/* I made this code in a way that u can give Upper limit i.e. 100,Lower limit i.e. 1 and the specific number u wants to count in between i.e. 7 */

#include
#include
void main()
{
int i,j,U=100, L=1,count= 0,r=1,n;
clrscr();
printf("\n Enter the number u wants to count\n:");
scanf("%d" ,&n);
printf("\n Enter the lower limit\n:");
scanf("%d" ,&L);
printf("\n Enter the upper limit\n:");
scanf("%d" ,&U);

for (i=L;i
{
j=i;
while(j)
{
r=j%10;
if (r==n)
{
count++;
}
j=j/10;
}
}
if(n==0&&L ==0)
count++;
printf("\n Total Number of %d between %d and %d = %d",n,L,U, count);
getch();
}

WAP to print xay in place of every'a'in a string.

Questions: Top-30-c-programs-asked-in-interview_6304.html

27.WAP to print'xay'in place of every'a'in a string.

#include
#include
void main()
{
int i=0;
char str[100],x ='x',y='y' ;
printf("En ter the string\n:");
gets(str);
while(str[ i]!='\0')
{
if(str[i]= ='a')
{
printf("%c ",x);
printf("%c ",str[i++] );
printf("%c ",y);
}
else
{
printf("%c ",str[i++] );
}
}
getch();
}

WAP to print the triangle of letters in increasing order of lines.

Questions: Top-30-c-programs-asked-in-interview_6304.html

26.WAP to print the triangle of letters in increasing order of lines.

#include
#include
void main()
{
int i,j,k;
char ch;
printf("\n Enter the number of lines wants to make the triangle \n:");
scanf("%d" ,&i);
for(j=1;j
{
ch=65;
for(k=1;k
{
printf("%c ",ch++);
}
printf("\n ");
}
getch();
}

Programm of India Map

Questions: Top-30-c-programs-asked-in-interview_6304.html

25.Prog of India MAP.

main()
    {
    int a,b,c;
    int count = 1;

    for (b = c = 10; 
    a = "- FIGURE?, UMKC,XYZHello Folks,\
    TFy!QJu ROo TNn(ROo)SLq SLq ULo+\
    UHs UJq TNn*RPn/QPbEWS_JSWQAIJO^\
    NBELPeHBFHT}TnALVlBLOFAkHFOuFETp\
    HCStHAUFAgcEAelclcn^r^r\\tZvYxXy\
    T|S~Pn SPm SOn TNn ULo0ULo#ULo-W\
    Hq!WFs XDt!"[b+++21]; )
      for(; a-- > 64 ; )
        putchar ( ++c=='Z' ? c = c/ 9:33^b&1);

    return 0;
    }

Output : http://codepad.org/ngiITeZ4

Just by changing 33 by 34 u vl get other maps :)

         http://codepad.org/RGMrB9lJ

WAP to find out the longest word in a string.

Questions: Top-30-c-programs-asked-in-interview_6304.html

24. WAP to find out the longest word in a string.
#include
#include
#include
void main()
{
int i,max=0,co unt=0,j;
char str[100]; / * ={"INDIA IS DEMOCRATIC COUNTRY"}; u can use a string inside,in place of user input */

printf("\n Enter the string\n:" );
gets(str);

for(i=0;i
{
if(!(str[i ]==32))
{
count++;
}
else
{

if(max
{
j=i-count;
max=count;
}
count=0;
}
}
for(i=j;i
printf("%c ",str[i]);
getch();
}

WAP to print DONE,witho ut using any loop and any conditonal clause or operators.

Questions: Top-30-c-programs-asked-in-interview_6304.html

22.WAP to print DONE 100 times,without using any loop. // asked to my frnd in any company.

main()
{ 
static int i=1;
printf("%d . DONE\n",i);
i == 100 ? exit(0):main(++i);
}

23.WAP to print DONE,witho ut using any loop and any conditonal clause or operators.

/* This code is just in purpose to solve the above question,, but its not a good code in programmin g,as its terminatin g at divide error,,if anyone have a better code,let me know */

main()
{
static int i=100;
printf("%d . DONE\n",101-i);
main(1/--i);  // here when 1/--i =0 it should exit... depend on system may get floating issue.
}

if any one has better solution of question 23 please add it in comment i will update it with your name :)

WAP to check a string is Caliondrome or not. // Maventic question.

Questions: Top-30-c-programs-asked-in-interview_6304.html

21. .WAP to check a string is Caliondrome or not. // Maventic question.

#include

#include

void main()

{

int i,j=0; char a[100];

clrscr();

printf("\n Enter the string to check for caliondrom e:\n");

gets(a);

if(strlen( a)%6)

{

printf("\n %s: is Not a caliondrom e..",a);

getch();

exit(0);

}

for (i=0;a[i]! ='\0'

{

if((a[i]== a[i+5])&&( a[i+1]==a[ i+4])&&(a[ i+2]==a[i+ 3]))

i=i+6;

else

{

j=1;

break;

}

}

if(j)

printf("\n %s: is Not a caliondrom e..",a);

else

printf("\n %s: is a caliondrom e..",a);

getch();

}