求和 25 - 题目

#22777. 求和 25

统计

编程读入 7 个数字（$0 \le \text{each digit} \le 9$；每个数字在 0 到 9 之间），统计选出一个数字集合使和为 25 的方案数。数字 0 表示 10，绝非 0。

对于输入：

5 0 1 5 4 3 7

有五种不同的和为 25 的选择：

        5 0       3 7
        5   1 5 4 3 7
        5 0 1 5 4
          0 1   4 3 7
          0   5   3 7

输入格式

一行七个一位整数。

输出格式

一行，表示和为 25 的子集数。

样例

输入格式 1

5 0 1 5 4 3 7

输出格式 1

题目来源：Don Piele，1982。

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:

This is not a place to publish discussions, editorials, or requests to debug your code. Issues are only visible to you and problem moderators.
Do not submit duplicated issues.
Issues must be filed in English or Chinese only.

Active Issues 0

No issues in this category.

Closed/Resolved Issues 0