map无脑过

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>

using namespace std;

string str;
map<string, int> tree_map;

int main()
{
    cin >> str;

    for (int i = 0; i < str.size(); ++i)
        for (int j = i; j < str.size(); ++j)
        {
            string t = str.substr(i, j - i + 1);
            tree_map[t]++;
        }
    
    for (auto [u, v] : tree_map)
        if (v > 1)
            cout << u << ' ' << v << endl;
    return 0;
}