#include <bits/stdc++.h> #pragma GCC optimize("O3", "unroll-loops") #define pb emplace_back #define ins insert #define mp make_pair #define ssize(x) (int)x.size() #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define pii pair <int, int> #define pll pair <ll, ll> #define pld pair <ld, ld> #define st first #define nd second using namespace std; using ll = int_fast64_t; // using lll = __int128_t; using ld = long double; const int oo = 1e9 + 7; const ll ool = 1e18; const int mod = 1e9 + 7; void solve(){ int n, m; cin >> n >> m; vector <pii> tab(m); for(auto &[a, b]: tab){ cin >> a >> b; -- a; -- b; } vector <int> ans(n + 1); for(int i = 0; i < (1 << n); i ++){ vector <int> rn(n); for(int j = 0; j < n; j ++) rn[j] = (bool)(i & (1 << j)); for(auto [a, b]: tab){ if(rn[a] && !rn[b]) swap(rn[a], rn[b]); } int cnt = rn[0]; for(int j = 1; j < n; j ++){ if(rn[j] && !rn[j - 1]) ++ cnt; } if(cnt == 1) ans[__builtin_popcount(i)] ^= 1; } for(int i = 1; i <= n; i ++) cout << ans[i] << ' '; } signed main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; t = 1; // cin >> t; while(t --) solve(); 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 | #include <bits/stdc++.h> #pragma GCC optimize("O3", "unroll-loops") #define pb emplace_back #define ins insert #define mp make_pair #define ssize(x) (int)x.size() #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define pii pair <int, int> #define pll pair <ll, ll> #define pld pair <ld, ld> #define st first #define nd second using namespace std; using ll = int_fast64_t; // using lll = __int128_t; using ld = long double; const int oo = 1e9 + 7; const ll ool = 1e18; const int mod = 1e9 + 7; void solve(){ int n, m; cin >> n >> m; vector <pii> tab(m); for(auto &[a, b]: tab){ cin >> a >> b; -- a; -- b; } vector <int> ans(n + 1); for(int i = 0; i < (1 << n); i ++){ vector <int> rn(n); for(int j = 0; j < n; j ++) rn[j] = (bool)(i & (1 << j)); for(auto [a, b]: tab){ if(rn[a] && !rn[b]) swap(rn[a], rn[b]); } int cnt = rn[0]; for(int j = 1; j < n; j ++){ if(rn[j] && !rn[j - 1]) ++ cnt; } if(cnt == 1) ans[__builtin_popcount(i)] ^= 1; } for(int i = 1; i <= n; i ++) cout << ans[i] << ' '; } signed main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; t = 1; // cin >> t; while(t --) solve(); return 0; } |