Pregunta de entrevista de Amazon

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

Respuestas de entrevistas

Anónimo

28 feb 2011

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

1

Anónimo

19 ene 2011

// 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; }

Anónimo

27 ene 2011

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<

Anónimo

8 feb 2011

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

Anónimo

8 feb 2011

You need to do a reverse string at the end

Anónimo

13 feb 2011

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--; }