Answer / nmk

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

bool isPowerOf2(int number){
if ( number > 0 )
return (number & (number-1)) == 0;

if (number == 0)
return false;

if (isPowerOf2(-number)){
int count=0;
while ( !(number & 1)) {
++count;
number >>= 1;
}
if (fmod(count,2))
return true;
else
return false;
}
return false;
}

int main(void) {
for(int i=-1027; i<1025; ++i){
if (isPowerOf2(i) )
printf("%d\n", i);
}

return EXIT_SUCCESS;
}

Answer / ataraxic

n%2

Answer / carl menezes

#define ISPOW2(x) ( (x + (x-1) ) == (x<<1 + 1) )

Answer / sandhya

#include<stdio.h>
void main()
{
int number;
printf("|n enter a number");
scanf("%d",&number);
int twopower(int);
printf("\n the given number is ");
}
int twopower(int num)
{
while((num & -num)==num)
return(1);
printf("|n yes power of two");
}

Answer / mridul

#include<stdio.h>

main()
{
int a;
scanf("%d",&a);
if (a&1)
printf ("POWER off 2");
printf ("NOT power of 2");
}

How to palindrom string in c language?

6 Answers   Google,

---

main() { static char names[5][20]={"pascal","ada","cobol","fortran","perl"}; int i; char *t; t=names[3]; names[3]=names[4]; names[4]=t; for (i=0;i<=4;i++) printf("%s",names[i]); }

2 Answers  

---

#include<stdio.h> int main() { int a=3,post,pre; post= a++ * a++ * a++; a=3; pre= ++a * ++a * ++a; printf("post=%d pre=%d",post,pre); return 0; }

3 Answers  

---

#include <stdio.h> #define a 10 main() { #define a 50 printf("%d",a); }

2 Answers  

---

Given n nodes. Find the number of different structural binary trees that can be formed using the nodes.

16 Answers   Aricent, Cisco, Directi, Qualcomm,

---

---

main() { char not; not=!2; printf("%d",not); }

1 Answers  

---

Who could write how to find a prime number in dynamic array?

1 Answers  

---

union u { struct st { int i : 4; int j : 4; int k : 4; int l; }st; int i; }u; main() { u.i = 100; printf("%d, %d, %d",u.i, u.st.i, u.st.l); } a. 4, 4, 0 b. 0, 0, 0 c. 100, 4, 0 d. 40, 4, 0

1 Answers   HCL,

---

main(){ int a= 0;int b = 20;char x =1;char y =10; if(a,b,x,y) printf("hello"); }

1 Answers   TCS,

---

plz send me all data structure related programs

2 Answers  

---

#define a 10 int main() { printf("%d..",a); foo(); printf("%d..",a); return 0; } void foo() { #undef a #define a 50 }

3 Answers  

---

What is the output for the program given below typedef enum errorType{warning, error, exception,}error; main() { error g1; g1=1; printf("%d",g1); }

1 Answers  

---