#include <bits/stdc++.h> using namespace std; typedef long long ll; constexpr int MAXN = 36; constexpr int MAXM = 1010; int n, m; pair<int, int> changes[MAXM]; int res[MAXN]; ll power[MAXN]; pair<int, int> solve(ll stPos) { ll copy = stPos; bool position[MAXN]; int k = 0; for (int i = n-1; i >= 0; i--) { if (stPos >= power[i]) { k++; position[i] = 1; stPos -= power[i]; } else position[i] = 0; } for (int i = 1; i <= m; i++) { if (position[changes[i].first-1] == 1 && position[changes[i].second-1] == 0) { swap(position[changes[i].first-1], position[changes[i].second-1]); } } int first, last; for (int i = 0; i < n; i++) { if (position[i] == 1) { first = i; break; } } for (int i = n-1; i >= 0; i--) { if (position[i] == 1) { last = i; break; } } if (last-first+1 == k) { //cout << copy << '\n'; return {k, 1}; } else return {k, 0}; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> m; power[0] = 1; for (int i = 1; i <= n; i++) power[i] = power[i-1]*2; for (int i = 1; i <= m; i++) { cin >> changes[i].first >> changes[i].second; } for (int i = 1; i < power[n]; i++) { pair<int, int> tmp = solve(i); res[tmp.first] = (res[tmp.first]+tmp.second)%2; } for (int i = 1; i <= n; i++) cout << res[i] << ' '; }
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 | #include <bits/stdc++.h> using namespace std; typedef long long ll; constexpr int MAXN = 36; constexpr int MAXM = 1010; int n, m; pair<int, int> changes[MAXM]; int res[MAXN]; ll power[MAXN]; pair<int, int> solve(ll stPos) { ll copy = stPos; bool position[MAXN]; int k = 0; for (int i = n-1; i >= 0; i--) { if (stPos >= power[i]) { k++; position[i] = 1; stPos -= power[i]; } else position[i] = 0; } for (int i = 1; i <= m; i++) { if (position[changes[i].first-1] == 1 && position[changes[i].second-1] == 0) { swap(position[changes[i].first-1], position[changes[i].second-1]); } } int first, last; for (int i = 0; i < n; i++) { if (position[i] == 1) { first = i; break; } } for (int i = n-1; i >= 0; i--) { if (position[i] == 1) { last = i; break; } } if (last-first+1 == k) { //cout << copy << '\n'; return {k, 1}; } else return {k, 0}; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> m; power[0] = 1; for (int i = 1; i <= n; i++) power[i] = power[i-1]*2; for (int i = 1; i <= m; i++) { cin >> changes[i].first >> changes[i].second; } for (int i = 1; i < power[n]; i++) { pair<int, int> tmp = solve(i); res[tmp.first] = (res[tmp.first]+tmp.second)%2; } for (int i = 1; i <= n; i++) cout << res[i] << ' '; } |