#include <iostream> #include <vector> #include <algorithm> #include <map> #include <cmath> #include <unordered_map> #include <string> #include <queue> #include <deque> #include <set> #include <cstdlib> #include <ctime> #include<chrono> #include<thread> #include<iomanip> #include<fstream> #define ll long long #define pb push_back #define mp make_pair #define ff first #define ss second using namespace std; bool check(long long bitmask) { long long tmp = bitmask; while (((tmp >> 1) << 1) == tmp) { tmp >>= 1; } return ((tmp + 1) & tmp) == 0; } long long doOperations(vector<pair <int, int> >& operations, long long bitmask) { for (auto& op : operations) { int posA = op.first - 1; int posB = op.second - 1; int bitA = (bitmask >> posA) & 1; int bitB = (bitmask >> posB) & 1; if (bitA > bitB) { bitmask ^= (1 << posA) | (1 << posB); } } return bitmask; } bool generatePermutations(int n, int k, vector<pair <int, int> >& operations) { long long bitmask = (1 << k) - 1; int ans = 0; while(bitmask < (1 << n)) { ans += check(doOperations(operations, bitmask)); ans %= 2; long long t = (bitmask | (bitmask - 1)) + 1; bitmask = t | ((((t & -t) / (bitmask & -bitmask)) >> 1) - 1); } return ans; } int main() { ios::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; vector<pair <int, int>> operations(m); for(int i = 0; i < m; i++) { cin >> operations[i].first >> operations[i].second; } vector<bool> ans(n + 1); for(int k = 1; k <= n; k++) { ans[k] = generatePermutations(n, k, operations); } for(int i = 1; i <= n; i++) { cout << ans[i] << " "; } 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 | #include <iostream> #include <vector> #include <algorithm> #include <map> #include <cmath> #include <unordered_map> #include <string> #include <queue> #include <deque> #include <set> #include <cstdlib> #include <ctime> #include<chrono> #include<thread> #include<iomanip> #include<fstream> #define ll long long #define pb push_back #define mp make_pair #define ff first #define ss second using namespace std; bool check(long long bitmask) { long long tmp = bitmask; while (((tmp >> 1) << 1) == tmp) { tmp >>= 1; } return ((tmp + 1) & tmp) == 0; } long long doOperations(vector<pair <int, int> >& operations, long long bitmask) { for (auto& op : operations) { int posA = op.first - 1; int posB = op.second - 1; int bitA = (bitmask >> posA) & 1; int bitB = (bitmask >> posB) & 1; if (bitA > bitB) { bitmask ^= (1 << posA) | (1 << posB); } } return bitmask; } bool generatePermutations(int n, int k, vector<pair <int, int> >& operations) { long long bitmask = (1 << k) - 1; int ans = 0; while(bitmask < (1 << n)) { ans += check(doOperations(operations, bitmask)); ans %= 2; long long t = (bitmask | (bitmask - 1)) + 1; bitmask = t | ((((t & -t) / (bitmask & -bitmask)) >> 1) - 1); } return ans; } int main() { ios::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; vector<pair <int, int>> operations(m); for(int i = 0; i < m; i++) { cin >> operations[i].first >> operations[i].second; } vector<bool> ans(n + 1); for(int k = 1; k <= n; k++) { ans[k] = generatePermutations(n, k, operations); } for(int i = 1; i <= n; i++) { cout << ans[i] << " "; } return 0; } |