#include <iostream> #include <map> using namespace std; map<string, int> cnt; //自动初始化 int main() { string str; while(cin >> str) { for(int i = 1;i <= str.length(); i++) { for(int j = 0;j < i; j++) { string s = str.substr(j, i - j); cnt[s]++; } //获取子串:外层i是子串长度,内层j是子串开始的位置。i - j + j == i } for(auto iter = cnt.begin(); iter != cnt.end(); iter++) { if(iter->second > 1){ cout << iter->first << ' ' << iter->second << endl; } } } return 0; }