526互联

1847

CodeForces 1847F The Boss's Identity

[洛谷传送门](https://www.luogu.com.cn/problem/CF1847F "洛谷传送门") [CF 传送门](https://codeforces.com/problemset/problem/1847/F "CF 传送门") 我们首先观察 $a$ 的形态。令题面中给出的 $ ......
CodeForces Identity 1847F 1847 Boss
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