In a strange village, people have very long names. For example: aaaaa, bbb and abababab. You see, it’s very inconvenient to call a person, so people invented a good way: just call a prefix of the names. For example, if you want to call ‘aaaaa’, you can …
题目:uva.onlinejudge.org/index.php?optioncom_onlinejudge&Itemid8&pageshow_problem&problem3950 Description
In a strange village, people have very long names. For example: aaaaa, bbb and abababab. You see, it’s very inconvenient to …
分析:构造字典树深搜
采用刘汝佳的左儿子右兄弟的构树方式,节省了大量的空间。 代码如下: #include <cstdio>
#include <cmath>
#include <cstring>
using namespace std;typedef long long ll;
const int maxn 1e610;
i…
In a strange village, people have very long names. For example: aaaaa, bbb and abababab. You see, it’s very inconvenient to call a person, so people invented a good way: just call a prefix of the names. For example, if you want to call ‘aaaaa’, you can …