修复题目5的bug并添加完整测试用例 #421

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51Roadfish wants to merge 1 commit into HanchuanXu:main from 51Roadfish:fix

51Roadfish commented Nov 12, 2025

学号：2023112265
修改题目号：5

修改思路：

修复f数组初始化错误
- 原代码：f[0] = 0
- 修复：f[0] = 1（正确表示2^0 = 1）
修复遍历条件不完整
- 原代码：i < nums.length-1会漏掉最后一个元素
- 修复：完整遍历并在内部判断退出条件
修复贡献计算逻辑
- 原代码：f[pos - i]
- 修复：f[pos - i - 1]
修复取模操作错误
- 原代码：使用除法/ P
- 修复：使用取模% P
优化一些逻辑
- 修改了一些代码以提高可读性


          修复题目5的bug并添加完整测试用例

d25ffd6

- 修复f数组初始化错误
- 修复幂次计算和取模操作
- 完善遍历条件和贡献计算逻辑
- 添加符合要求的测试类

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