#include <algorithm> #include <iostream> #include <unordered_set> #include <vector> using namespace std; bool solve(long long start, vector<pair<int, int>> &commands) { unordered_set<long long> s; s.insert(start); for (auto &[a, b] : commands) { unordered_set<long long> s2; for (auto &it : s) { if (!((it & (1 << a)) > 0 && (it & (1 << b)) == 0)) { if (s2.count(it)) s2.erase(it); else s2.insert(it); if ((it & (1 << a)) == 0 && (it & (1 << b)) > 0) { long long swapped = it; swapped |= (1 << a); swapped &= ~(1 << b); if (s2.count(swapped)) s2.erase(swapped); else s2.insert(swapped); } } } s = s2; } return s.size() & 1; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<pair<int, int>> commands(m); for (int i = 0; i < m; i++) { cin >> commands[i].first >> commands[i].second; --commands[i].first; --commands[i].second; } reverse(commands.begin(), commands.end()); for (int k = 1; k <= n; k++) { int sum{}; for (int i = 0; i <= n - k; i++) { long long num{}; for (int j = 0; j < k; j++) { num |= (1 << (i + j)); } sum += solve(num, commands); } cout << sum % 2 << ' '; } 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 | #include <algorithm> #include <iostream> #include <unordered_set> #include <vector> using namespace std; bool solve(long long start, vector<pair<int, int>> &commands) { unordered_set<long long> s; s.insert(start); for (auto &[a, b] : commands) { unordered_set<long long> s2; for (auto &it : s) { if (!((it & (1 << a)) > 0 && (it & (1 << b)) == 0)) { if (s2.count(it)) s2.erase(it); else s2.insert(it); if ((it & (1 << a)) == 0 && (it & (1 << b)) > 0) { long long swapped = it; swapped |= (1 << a); swapped &= ~(1 << b); if (s2.count(swapped)) s2.erase(swapped); else s2.insert(swapped); } } } s = s2; } return s.size() & 1; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<pair<int, int>> commands(m); for (int i = 0; i < m; i++) { cin >> commands[i].first >> commands[i].second; --commands[i].first; --commands[i].second; } reverse(commands.begin(), commands.end()); for (int k = 1; k <= n; k++) { int sum{}; for (int i = 0; i <= n - k; i++) { long long num{}; for (int j = 0; j < k; j++) { num |= (1 << (i + j)); } sum += solve(num, commands); } cout << sum % 2 << ' '; } return 0; } |