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
这是个 十进制数 -> 二进制数 的问题,直接查找对应的计算方式就行了
https://blog.csdn.net/weixin_41676881/article/details/80745177