//泥の分際で私だけの大切を奪おうだなん #include<bits/stdc++.h> #define ll long long using namespace std; inline int read(){ int s=0,w=1; char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar(); return s*w; } int n=read(),m=read(); int u[1003],v[1003],a[43],ans[43]; void dfs(int x) { if(x>m) { int one=0; for(int i=1; i<=n; ++i) one+=(a[i]==1); for(int l=1; l<=n; ++l) for(int r=l,t=0; r<=n&&a[r]!=0; ++r) t+=(a[r]==1),(t==one)&&(ans[r-l+1]^=1); return ; } if(a[u[x]]==-1&&a[v[x]]==-1) a[u[x]]=a[v[x]]=0,dfs(x+1), a[u[x]]=a[v[x]]=1,dfs(x+1), a[u[x]]=a[v[x]]=-1; else if(a[v[x]]==1) dfs(x+1); else if(a[u[x]]==0) dfs(x+1); else swap(a[u[x]],a[v[x]]),dfs(x+1), swap(a[u[x]],a[v[x]]); } signed main() { for(int i=1; i<=n; ++i) a[i]=-1; for(int i=1; i<=m; ++i) u[i]=read(),v[i]=read(); dfs(1); for(int i=1; i<=n; ++i) printf("%d ",ans[i]); puts(""); 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 | //泥の分際で私だけの大切を奪おうだなん #include<bits/stdc++.h> #define ll long long using namespace std; inline int read(){ int s=0,w=1; char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar(); return s*w; } int n=read(),m=read(); int u[1003],v[1003],a[43],ans[43]; void dfs(int x) { if(x>m) { int one=0; for(int i=1; i<=n; ++i) one+=(a[i]==1); for(int l=1; l<=n; ++l) for(int r=l,t=0; r<=n&&a[r]!=0; ++r) t+=(a[r]==1),(t==one)&&(ans[r-l+1]^=1); return ; } if(a[u[x]]==-1&&a[v[x]]==-1) a[u[x]]=a[v[x]]=0,dfs(x+1), a[u[x]]=a[v[x]]=1,dfs(x+1), a[u[x]]=a[v[x]]=-1; else if(a[v[x]]==1) dfs(x+1); else if(a[u[x]]==0) dfs(x+1); else swap(a[u[x]],a[v[x]]),dfs(x+1), swap(a[u[x]],a[v[x]]); } signed main() { for(int i=1; i<=n; ++i) a[i]=-1; for(int i=1; i<=m; ++i) u[i]=read(),v[i]=read(); dfs(1); for(int i=1; i<=n; ++i) printf("%d ",ans[i]); puts(""); return 0; } |