Write a function to obtain a string with the binary representation of an integer

Question

Tejas · Accepted Answer

No one has handled the case for negative numbers.
We need to represent negative numbers in either 1s or 2s compliment

Siva · Answer

// it's caller's responsibility to delete the memory
char * conv_int_to_binary(int data)
{
    int size = sizeof(data)*8;
    char *binString = new char(size);

   for ( int i = 0; i > i)&1;
     }
  return binString;
}

Anant · Answer

void bin_string(int data)
{

    char binString[10];
    int i=0;
    while(data!=0)
    {
    	binString[i++]=((data>>1)&1)+48;
    	data=data>>1;
    }
    binString[i]='\0';
    cout<

KC · Answer

static void bin_string(int n)
    { 
        String bin = "";
        int i = 0;
        do
        {
            bin += (char)(((n) & 1) + 48);
            n = n >> 1;
        }
        while (n != 0);

    }

Surya · Answer

You need to do a reverse string at the end

Sharat Chandra · Answer

length = (int) (log (num)  +1) ;  // log to base 2

while (  (num/2) > 0)){
              rem=num%2;
              binary[length-i-1] = rem;
              num=num/2 ;
              i--;
}

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