NEERC/database/database_gk_ok_cpp_map_pair.cpp

   1 #include <iostream>
   2 #include <fstream>
   3 #include <string>
   4 #include <vector>
   5 #include <map>
   6
   7 using namespace std;
   8
   9 int main() {
  10     ifstream in; in.open("database.in");
  11     ofstream out; out.open("database.out");
  12
  13     int n;
  14     int m;
  15     in >> n >> m;
  16     in.ignore();
  17
  18     cout << n << endl;
  19     vector<vector<string>*> values;
  20     for (int i = 0; i < n; i++) {
  21         char buffer[100];
  22         vector<string>* row = new vector<string>();
  23
  24         for (int j = 0; j < m - 1; j++) {
  25             in.getline(buffer, sizeof(buffer) / sizeof(char), ',');
  26             row->push_back(buffer);
  27         }
  28
  29         in.getline(buffer, sizeof(buffer) / sizeof(char), '\n');
  30         row->push_back(buffer);
  31
  32         values.push_back(row);
  33     }
  34
  35     for (int c1 = 0; c1 < m; c1++) {
  36         cout << c1;
  37         for (int c2 = c1 + 1; c2 < m; c2++) {
  38             map<pair<string, string>, int> map;
  39             for (int r1 = 0; r1 < n; r1++) {
  40                 string s1 = values[r1]->at(c1);
  41                 string s2 = values[r1]->at(c2);
  42                 pair<string, string> s(s1, s2);
  43                 if (map.find(s) != map.end()) {
  44                     int r2 = map.find(s)->second;
  45
  46                     out << "NO" << endl;
  47                     out << (r2 + 1) << " " << (r1 + 1) << endl;
  48                     out << (c1 + 1) << " " << (c2 + 1) << endl;
  49                     return 0;
  50                 }
  51                 map[s] = r1;
  52             }
  53
  54         }
  55     }
  56
  57     out << "YES" << endl;
  58
  59     in.close();
  60     out.close();
  61
  62     return 0;
  63 }