11512 - GATTACA/gattaca.cpp

   1 /*
   2   Problem: G - GATTACA
   3   Author: Andrés Mejía-Posada
   4   (http://blogaritmo.factorcomun.org)
   5
   6   Naive
   7  */
   8
   9 using namespace std;
  10 #include <algorithm>
  11 #include <iostream>
  12 #include <iterator>
  13 #include <sstream>
  14 #include <fstream>
  15 #include <cassert>
  16 #include <climits>
  17 #include <cstdlib>
  18 #include <cstring>
  19 #include <string>
  20 #include <cstdio>
  21 #include <vector>
  22 #include <cmath>
  23 #include <queue>
  24 #include <deque>
  25 #include <stack>
  26 #include <map>
  27 #include <set>
  28
  29 #define D(x) cout << #x " is " << x << endl
  30
  31 int main(){
  32   //freopen("gattaca.in", "r", stdin);
  33   int T;
  34   cin >> T;
  35   while (T--){
  36     string s;
  37     cin >> s;
  38     int n = s.size();
  39     bool solved = false;
  40     map<string, int> cnt;
  41     for (int d=n-1; d>0; --d){
  42       cnt.clear();
  43       for (int i=0, j; (j = i + d) <= n; ++i){
  44         cnt[s.substr(i, d)]++;
  45         //cout << s.substr(i, d) << " = " << cnt[s.substr(i, d)] << endl;
  46       }
  47       for (map<string, int>::iterator i = cnt.begin(); i != cnt.end(); ++i){
  48         if (i->second > 1){
  49           cout << i->first << " " << i->second << endl;
  50           solved = true;
  51           d = -1; //end outer loop
  52           break;
  53         }
  54       }
  55     }
  56     if (!solved) cout << "No repetitions found!\n";
  57   }
  58   return 0;
  59 }