// PA 2024 4B - Desant 3 #include <iostream> #include <string> #include <vector> #include <algorithm> #include <stack> #include <unordered_set> using namespace std; void generateAllResults(unordered_set<string> *results, string state, unsigned k, bool containsOne) { if (k == state.size()) { if (containsOne) { results->insert(state); } return; } generateAllResults(results, state, k + 1, containsOne); state[k] = '1'; generateAllResults(results, state, k + 1, true); }; int main() { ios_base::sync_with_stdio(0); int n, m, a, b; bool met1, met10, met101; unordered_set<string> results; unordered_set<string>::iterator it2; string state; vector<int> endResults; cin >> n; cin >> m; state = ""; for (int i = 0; i < n; ++i) { endResults.push_back(0); state += '0'; } generateAllResults(&results, state, 0, false); for (int i = 0; i < m; ++i) { cin >> a; cin >> b; --a; --b; for (unordered_set<string>::iterator it = results.begin(); it != results.end();) { if ((*it)[a] == '1' && (*it)[b] == '0') { state = (*it); state[a] = '0'; state[b] = '1'; it2 = results.find(state); if (it2 == results.end()) { results.insert(state); } else { results.erase(it2); } it = results.erase(it); } else { ++it; } } /*cout << endl << endl; for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) { cout << (*it) << endl; } cout << endl;*/ } for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) { a = 0; met1 = false; met10 = false; met101 = false; for (unsigned i = 0; i < it->size(); ++i) { if (met10 && (*it)[i] == '1') { met101 = true; break; } if ((*it)[i] == '1') { ++a; met1 = true; } if (met1 && (*it)[i] == '0') { met10 = true; } } if (not met101) { endResults[a - 1] = (endResults[a - 1] + 1) % 2; } } for (int i = 0; i < n; ++i) { cout << endResults[i] << " "; } cout << endl; return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | // PA 2024 4B - Desant 3 #include <iostream> #include <string> #include <vector> #include <algorithm> #include <stack> #include <unordered_set> using namespace std; void generateAllResults(unordered_set<string> *results, string state, unsigned k, bool containsOne) { if (k == state.size()) { if (containsOne) { results->insert(state); } return; } generateAllResults(results, state, k + 1, containsOne); state[k] = '1'; generateAllResults(results, state, k + 1, true); }; int main() { ios_base::sync_with_stdio(0); int n, m, a, b; bool met1, met10, met101; unordered_set<string> results; unordered_set<string>::iterator it2; string state; vector<int> endResults; cin >> n; cin >> m; state = ""; for (int i = 0; i < n; ++i) { endResults.push_back(0); state += '0'; } generateAllResults(&results, state, 0, false); for (int i = 0; i < m; ++i) { cin >> a; cin >> b; --a; --b; for (unordered_set<string>::iterator it = results.begin(); it != results.end();) { if ((*it)[a] == '1' && (*it)[b] == '0') { state = (*it); state[a] = '0'; state[b] = '1'; it2 = results.find(state); if (it2 == results.end()) { results.insert(state); } else { results.erase(it2); } it = results.erase(it); } else { ++it; } } /*cout << endl << endl; for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) { cout << (*it) << endl; } cout << endl;*/ } for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) { a = 0; met1 = false; met10 = false; met101 = false; for (unsigned i = 0; i < it->size(); ++i) { if (met10 && (*it)[i] == '1') { met101 = true; break; } if ((*it)[i] == '1') { ++a; met1 = true; } if (met1 && (*it)[i] == '0') { met10 = true; } } if (not met101) { endResults[a - 1] = (endResults[a - 1] + 1) % 2; } } for (int i = 0; i < n; ++i) { cout << endResults[i] << " "; } cout << endl; return 0; } |