// Author: Kajetan Ramsza #include "bits/stdc++.h" using namespace std; #define rep(i, a, b) for(int i = (a); i < (b); ++i) #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; template<typename F, typename S> ostream& operator<<(ostream& os, const pair<F, S> &p) { return os<<"("<<p.first<<", "<<p.second<<")"; } template<typename T> ostream &operator<<(ostream & os, const vector<T> &v) { os << "{"; typename vector< T > :: const_iterator it; for( it = v.begin(); it != v.end(); it++ ) { if( it != v.begin() ) os << ", "; os << *it; } return os << "}"; } void dbg_out() { cerr<<'\n'; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr<<' '<<H; dbg_out(T...); } #ifdef DEBUG #define dbg(...) cerr<<"(" << #__VA_ARGS__ <<"):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif int n, m; vector<pii> swaps; vi cnt; void calc(int mask) { for(auto [a,b] : swaps) if(((mask>>a) & 1) && !((mask>>b) & 1)) { mask ^= 1<<a; mask ^= 1<<b; } int pref = 0, suff = 0; rep(i,0,n) if((mask>>i) & 1) { pref = i; break; } for(int i=n-1;i>=0;i--) if((mask>>i) & 1) { suff = i; break; } int sum = 0; rep(i,0,n) sum += ((mask>>i) & 1); dbg(mask, pref, suff, sum); if(sum + pref - suff == 1) cnt[sum]++; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin>>n>>m; rep(i,0,m) { int a, b; cin>>a>>b; a--; b--; swaps.push_back({a,b}); } cnt.assign(n+1, 0); rep(i,0,1<<n) calc(i); rep(i,1,n+1) cout<<(cnt[i] % 2)<<' '; cout<<'\n'; }
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 | // Author: Kajetan Ramsza #include "bits/stdc++.h" using namespace std; #define rep(i, a, b) for(int i = (a); i < (b); ++i) #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; template<typename F, typename S> ostream& operator<<(ostream& os, const pair<F, S> &p) { return os<<"("<<p.first<<", "<<p.second<<")"; } template<typename T> ostream &operator<<(ostream & os, const vector<T> &v) { os << "{"; typename vector< T > :: const_iterator it; for( it = v.begin(); it != v.end(); it++ ) { if( it != v.begin() ) os << ", "; os << *it; } return os << "}"; } void dbg_out() { cerr<<'\n'; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr<<' '<<H; dbg_out(T...); } #ifdef DEBUG #define dbg(...) cerr<<"(" << #__VA_ARGS__ <<"):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif int n, m; vector<pii> swaps; vi cnt; void calc(int mask) { for(auto [a,b] : swaps) if(((mask>>a) & 1) && !((mask>>b) & 1)) { mask ^= 1<<a; mask ^= 1<<b; } int pref = 0, suff = 0; rep(i,0,n) if((mask>>i) & 1) { pref = i; break; } for(int i=n-1;i>=0;i--) if((mask>>i) & 1) { suff = i; break; } int sum = 0; rep(i,0,n) sum += ((mask>>i) & 1); dbg(mask, pref, suff, sum); if(sum + pref - suff == 1) cnt[sum]++; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin>>n>>m; rep(i,0,m) { int a, b; cin>>a>>b; a--; b--; swaps.push_back({a,b}); } cnt.assign(n+1, 0); rep(i,0,1<<n) calc(i); rep(i,1,n+1) cout<<(cnt[i] % 2)<<' '; cout<<'\n'; } |