欢迎来到起遇信息学
起遇信息学正处于上线筹建阶段,以下功能已全部开放免费体验: ✅ 完整题库浏览与代码提交评测(C / C++ / Python / Java 等) ✅ 入门到进阶的系列课程试读、作业与考试 ✅ AI 提示、AI 作业分析等智能助教功能 ✅ 赛事模拟与个人能力报告 ✅ 邮箱注册开放 ⏳ 付费课程订阅与微信/支付宝支付通道 ⏳ 手机号登录,微信扫码登录、微信公众号绑定 使用中如遇任何问题,欢迎通过页面底部 **"联系我们"** 与我们沟通。
CF1530A.Binary Decimal
Binary Decimal
Let's call a number a binary decimal if it's a positive integer and all digits in its decimal notation are either or . For example, is a binary decimal, while and are not.
Given a number , you are asked to represent as a sum of some (not necessarily distinct) binary decimals. Compute the smallest number of binary decimals required for that.
Input
The first line contains a single integer (), denoting the number of test cases.
The only line of each test case contains a single integer (), denoting the number to be represented.
Output
For each test case, output the smallest number of binary decimals required to represent as a sum.
Note
In the first test case, can be represented as or .
In the second test case, can be represented as .
In the third test case, is a binary decimal itself, thus the answer is .
Samples
3
121
5
1000000000
2
5
1
在线编程 IDE
建议全屏模式获得最佳体验
| 进入全屏编程 | Alt+E |
| 递交评测 | Ctrl+Enter |
| 注释/取消注释 | Ctrl+/ |
| 缩放字体 | Ctrl+滚轮 |