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");
}

main() { char name[10],s[12]; scanf(" \"%[^\"]\"",s); } How scanf will execute?

2 Answers  

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main() { int i, j, *p; i = 25; j = 100; p = &i; // Address of i is assigned to pointer p printf("%f", i/(*p) ); // i is divided by pointer p } a. Runtime error. b. 1.00000 c. Compile error d. 0.00000

3 Answers   HCL,

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1 Answers  

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#define assert(cond) if(!(cond)) \ (fprintf(stderr, "assertion failed: %s, file %s, line %d \n",#cond,\ __FILE__,__LINE__), abort()) void main() { int i = 10; if(i==0) assert(i < 100); else printf("This statement becomes else for if in assert macro"); }

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programming in c lanugaue programm will errror error with two header file one as stdio.h and other one is conio.h

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write a origram swaoing valu without 3rd variable

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Write a procedure to implement highlight as a blinking operation

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main() { int i=5; printf("%d%d%d%d%d%d",i++,i--,++i,--i,i); }

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main() { int i=5,j=6,z; printf("%d",i+++j); }

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Is the following statement a declaration/definition. Find what does it mean? int (*x)[10];

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prog. to produce 1 2 3 4 5 6 7 8 9 10

4 Answers   TCS,

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