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

int main(){

  long int decimalNumber,quotient;
  int binaryNumber[100],i=1,j;

  printf("Enter any decimal number: ");
  scanf("%d",&decimalNumber);

  quotient = decimalNumber;

  if(quotient!=0){
      binaryNumber[i++]= quotient % 2;
      quotient = quotient / 2;
  }

  printf("Equivalent octal value of decimal number %d: ",decimalNumber);
  for(j = i -1 ;j> 0;j--)
      printf("%d",binaryNumber[j]);

  system("pause");
  return 0;
}

-----------------------------------------------------------------------
請各位幫忙看一下 為什麼輸出的結果不是二進制??
感謝各位高手的幫忙!!!