HDU_2051——十进制到二进制转换

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

 #include <cstdio>
 int main()
 {
     int n, i, ans[];
     while(~scanf("%d",&n))
         {
             if(n==)
                 {
                     printf("0\n");
                 }
             for(i=;n;i++)
                 {
                     ans[i]=n%;
                     n=n/;
                 }
             for(i--;i>=;i--)
                 {
                     printf("%d",ans[i]);
                 }
             printf("\n");
         }
     return ;
 }