QOJ.ac

QOJ

Time Limit: 1.0 s Memory Limit: 64 MB Total points: 100

#5335. 智者

Statistics

来自塞尔维亚的智者 Dzoni 知道世界上所有问题的答案,除了一个?!你能帮他解决这个问题吗:

第一天你得到一个数字 $A$。在接下来的每一天,你的数字 $A$ 将按以下方式改变:$A = (A + \text{biggestDigit}(A)) \pmod M$。你能预测第 $N$ 天的数字是多少吗?

函数 $\text{biggestDigit}(A)$ 返回数字 $A$ 中数值最大的数位。例如:$\text{biggestDigit}(172) = 7$。

输入格式

输入包含一行,包含三个数字 $A$ ($1 \le A < M$),$M$ ($1 \le M \le 10^{18}$) 和 $N$ ($1 \le N \le 10^{18}$)。

输出格式

输出一行,表示第 $N$ 天 $A$ 的值。

样例

输入 1

2014 2015 1

输出 1

2014

输入 2

14 25 115

输出 2

16

Discussions

About Discussions

The discussion section is only for posting: General Discussions (problem-solving strategies, alternative approaches), and Off-topic conversations.

This is NOT for reporting issues! If you want to report bugs or errors, please use the Issues section below.

Open Discussions 0
No discussions in this category.

Issues

About Issues

If you find any issues with the problem (statement, scoring, time/memory limits, test cases, etc.), you may submit an issue here. A problem moderator will review your issue.

Guidelines:

  1. This is not a place to publish discussions, editorials, or requests to debug your code. Issues are only visible to you and problem moderators.
  2. Do not submit duplicated issues.
  3. Issues must be filed in English or Chinese only.
Active Issues 0
No issues in this category.
Closed/Resolved Issues 0
No issues in this category.