#include <bits/stdc++.h> #define dbg(x) " [" << #x << ": " << (x) << "] " using namespace std; using ll = long long; template<typename A, typename B> ostream& operator<<(ostream& out, const pair<A,B>& p) { return out << "(" << p.first << ", " << p.second << ")"; } template<typename T> ostream& operator<<(ostream& out, const vector<T>& c) { out << "{"; for(auto it = c.begin(); it != c.end(); it++) { if(it != c.begin()) out << ", "; out << *it; } return out << "}"; } int cnt; set<pair<int, vector<int>>> st; void dfs(vector<int>& v, vector<pair<int, int>>& upd, int id = 0) { if(st.contains({id, v})) return; st.insert({id, v}); if(id == upd.size()) { cnt ^= 1; return; } auto [a, b] = upd[id]; if(v[a] == 1 && v[b] == 0) return; dfs(v, upd, id + 1); if(v[a] == 0 && v[b] == 1) { swap(v[a], v[b]); dfs(v, upd, id + 1); swap(v[a], v[b]); } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; vector<pair<int, int>> upd; for(int i = 0; i < m; i++) { int a, b; cin >> a >> b; a--; b--; upd.push_back({a, b}); } reverse(upd.begin(), upd.end()); for(int len = 1; len <= n; len++) { st.clear(); cnt = 0; for(int i = 0; i + len <= n; i++) { vector<int> v(n); for(int j = i; j < i + len; j++) v[j] = 1; dfs(v, upd); } if(len > 1) cout << " "; cout << cnt; } 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 | #include <bits/stdc++.h> #define dbg(x) " [" << #x << ": " << (x) << "] " using namespace std; using ll = long long; template<typename A, typename B> ostream& operator<<(ostream& out, const pair<A,B>& p) { return out << "(" << p.first << ", " << p.second << ")"; } template<typename T> ostream& operator<<(ostream& out, const vector<T>& c) { out << "{"; for(auto it = c.begin(); it != c.end(); it++) { if(it != c.begin()) out << ", "; out << *it; } return out << "}"; } int cnt; set<pair<int, vector<int>>> st; void dfs(vector<int>& v, vector<pair<int, int>>& upd, int id = 0) { if(st.contains({id, v})) return; st.insert({id, v}); if(id == upd.size()) { cnt ^= 1; return; } auto [a, b] = upd[id]; if(v[a] == 1 && v[b] == 0) return; dfs(v, upd, id + 1); if(v[a] == 0 && v[b] == 1) { swap(v[a], v[b]); dfs(v, upd, id + 1); swap(v[a], v[b]); } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; vector<pair<int, int>> upd; for(int i = 0; i < m; i++) { int a, b; cin >> a >> b; a--; b--; upd.push_back({a, b}); } reverse(upd.begin(), upd.end()); for(int len = 1; len <= n; len++) { st.clear(); cnt = 0; for(int i = 0; i + len <= n; i++) { vector<int> v(n); for(int j = i; j < i + len; j++) v[j] = 1; dfs(v, upd); } if(len > 1) cout << " "; cout << cnt; } cout << endl; return 0; } |