1845C
CF1845C
[原题](https://codeforces.com/contest/1845/problem/C) [翻译](https://www.luogu.com.cn/problem/CF1845C) 以为是数位dp,想了很久,最后发现贪心好巧妙 但其实数位dp也能做,只是写起来比较麻烦,(而且我看错题 ......
CodeForces 1845C Strong Password
[洛谷传送门](https://www.luogu.com.cn/problem/CF1845C "洛谷传送门") [CF 传送门](https://codeforces.com/problemset/problem/1845/C "CF 传送门") 我怎么这么多天没写题解了,快来水一篇。 考虑对 ......