Bitset 2051

Problem Description

Give you a number on base ten,you should output it on base two.(0 < n < 1000)

Input 

For each case there is a postive number n on base ten, end of file.

Output 

For each case output a number on base two.

Sample Input

1
2
3
        

Sample Output

1
10
11
  
  
   
AC代碼

          
/************************************************************************/
/* 十進制整數轉化為二進制
/************************************************************************/
#include <cstdio>

void opTenToBinary(int x);

int main(int argc, const char* argv[])
{
    int nTest = 0;
    while (scanf("%d", &nTest) != EOF)
    {
        opTenToBinary(nTest);
        printf("\n");
    }

    return 0;
}

void opTenToBinary(int x)
{
    if (0 == x)
    {
        return;
    }
    else
    {
        opTenToBinary(x/2);
        printf("%d", x%2);
    }
}