/* Things to notice: 1. do not calculate useless values 2. do not use similar names Things to check: 1. submit the correct file 2. time (it is log^2 or log) 3. memory 4. prove your naive thoughts 5. long long 6. corner case like n=0,1,inf or n=m 7. check if there is a mistake in the ds or other tools you use 8. fileio in some oi-contest 9. module on time 10. the number of a same divisor in a math problem 11. multi-information and queries for dp and ds problems */ #include<bits/stdc++.h> using namespace std; #define int long long #define fi first #define se second #define pii pair<long long,long long> #define mp make_pair #define pb push_back const int mod=998244353; const int inf=0x3f3f3f3f; int n,m; map <pii,int> ma; int ans[105]; void solve() { cin>>n>>m; vector <pii > vec; vec.pb(mp((1LL<<n)-1,0LL)); while(m--) { int u,v; cin>>u>>v; u--,v--; if(u==v) continue; int tmp_siz=vec.size(); for(int i=0;i<tmp_siz;i++) { int mask1=vec[i].fi,mask2=vec[i].se; if((mask1&(1LL<<u))&&(mask1&(1LL<<v))) { mask1^=(1LL<<u),mask1^=(1LL<<v); vec[i]=mp(mask1,mask2); mask2^=(1LL<<u),mask2^=(1LL<<v); vec.pb(mp(mask1,mask2)); continue; } if(mask1&(1LL<<u)) { if(!(mask2&(1LL<<v))) mask1^=(1LL<<u),mask1^=(1LL<<v); vec[i]=mp(mask1,mask2); continue; } if(mask1&(1LL<<v)) { if(mask2&(1LL<<u)) mask2^=(1LL<<u),mask2^=(1LL<<v),mask1^=(1LL<<u),mask1^=(1LL<<v); vec[i]=mp(mask1,mask2); continue; } if((mask2&(1LL<<u))&&!(mask2&(1LL<<v))) mask2^=(1LL<<u),mask2^=(1LL<<v); vec[i]=mp(mask1,mask2); } } for(int i=0;i<vec.size();i++) { int mask1=vec[i].fi,mask2=vec[i].se; int L=inf,R=-1; for(int j=0;j<n;j++) if(mask2&(1LL<<j)) L=min(L,j),R=max(R,j); for(int l=0;l<n;l++) for(int r=l;r<n;r++) { if(!(mask1&(1LL<<r))&&!(mask2&(1LL<<r))) break; if(l<=L&&R<=r) ans[r-l+1]^=1; } } for(int i=1;i<=n;i++) cout<<ans[i]<<" "; } signed main() { ios::sync_with_stdio(0); cin.tie(0); int _=1; // cin>>_; while(_--) 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /* Things to notice: 1. do not calculate useless values 2. do not use similar names Things to check: 1. submit the correct file 2. time (it is log^2 or log) 3. memory 4. prove your naive thoughts 5. long long 6. corner case like n=0,1,inf or n=m 7. check if there is a mistake in the ds or other tools you use 8. fileio in some oi-contest 9. module on time 10. the number of a same divisor in a math problem 11. multi-information and queries for dp and ds problems */ #include<bits/stdc++.h> using namespace std; #define int long long #define fi first #define se second #define pii pair<long long,long long> #define mp make_pair #define pb push_back const int mod=998244353; const int inf=0x3f3f3f3f; int n,m; map <pii,int> ma; int ans[105]; void solve() { cin>>n>>m; vector <pii > vec; vec.pb(mp((1LL<<n)-1,0LL)); while(m--) { int u,v; cin>>u>>v; u--,v--; if(u==v) continue; int tmp_siz=vec.size(); for(int i=0;i<tmp_siz;i++) { int mask1=vec[i].fi,mask2=vec[i].se; if((mask1&(1LL<<u))&&(mask1&(1LL<<v))) { mask1^=(1LL<<u),mask1^=(1LL<<v); vec[i]=mp(mask1,mask2); mask2^=(1LL<<u),mask2^=(1LL<<v); vec.pb(mp(mask1,mask2)); continue; } if(mask1&(1LL<<u)) { if(!(mask2&(1LL<<v))) mask1^=(1LL<<u),mask1^=(1LL<<v); vec[i]=mp(mask1,mask2); continue; } if(mask1&(1LL<<v)) { if(mask2&(1LL<<u)) mask2^=(1LL<<u),mask2^=(1LL<<v),mask1^=(1LL<<u),mask1^=(1LL<<v); vec[i]=mp(mask1,mask2); continue; } if((mask2&(1LL<<u))&&!(mask2&(1LL<<v))) mask2^=(1LL<<u),mask2^=(1LL<<v); vec[i]=mp(mask1,mask2); } } for(int i=0;i<vec.size();i++) { int mask1=vec[i].fi,mask2=vec[i].se; int L=inf,R=-1; for(int j=0;j<n;j++) if(mask2&(1LL<<j)) L=min(L,j),R=max(R,j); for(int l=0;l<n;l++) for(int r=l;r<n;r++) { if(!(mask1&(1LL<<r))&&!(mask2&(1LL<<r))) break; if(l<=L&&R<=r) ans[r-l+1]^=1; } } for(int i=1;i<=n;i++) cout<<ans[i]<<" "; } signed main() { ios::sync_with_stdio(0); cin.tie(0); int _=1; // cin>>_; while(_--) solve(); return 0; } |