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#include <bits/stdc++.h>
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using namespace std;
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const int N = 100010;
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int tr[N][26];
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int cnt[N];
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int idx;
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// 插入
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void insert(string str) {
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int p = 0; // 游动的节点编号
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for (int i = 0; i < str.size(); i++) {
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int u = str[i] - 'a'; // 边
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if (!tr[p][u]) tr[p][u] = ++idx;
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p = tr[p][u];
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}
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cnt[p]++;
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}
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/**
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测试用例:
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8
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abcdef
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abdef
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aced
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bcdf
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bcff
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cdaa
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abc
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bcdc
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*/
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int main() {
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int n;
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cin >> n;
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while (n--) {
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// 输入的字符串
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string str;
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cin >> str;
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// 插入到Trie树
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insert(str);
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}
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printf("Node Count:%d\n", idx);
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for (int i = 0; i <= idx; i++)
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for (int j = 0; j < 26; j++)
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if (tr[i][j])
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printf("%d-> %c -> %d\n", i, 'a' + j, tr[i][j]);
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return 0;
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}
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