#include <bits/stdc++.h> using namespace std; #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define pb push_back #define eb emplace_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) typedef vector<int> VI; typedef basic_string<int> BI; typedef long long ll; typedef pair<int,int> PII; typedef double db; mt19937 mrand(1); const ll mod=1000000007; int rnd(int x) { return mrand() % x;} ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;} // head const int N=1010; int val[111][N]; int n,m,a[N],b[N],z,ret[N]; void dfs(int x,int dep) { if (x==m) { int c1=0; int *vl=val[dep-1]; rep(i,0,n) if (vl[i]==1) c1++; rep(l,0,n) { int d0=0,d1=0; rep(r,l,n) { if (vl[r]==0) d0++; else if (vl[r]==1) d1++; if (d0) break; if (c1-d1==0) ret[r-l+1]^=1; } } } else { memcpy(val[dep],val[dep-1],sizeof(int)*n); int *vl=val[dep]; while (x<m) { int u=a[x],v=b[x]; if (vl[u]==1||vl[v]==0) { swap(vl[u],vl[v]); } else if (vl[u]==0||vl[v]==1) { } else { vl[u]=vl[v]=0; dfs(x+1,dep+1); vl[u]=vl[v]=1; dfs(x+1,dep+1); return; } ++x; } if (x==m) dfs(x,dep+1); } } int main() { scanf("%d%d",&n,&m); rep(i,0,m) { scanf("%d%d",&a[i],&b[i]); --a[i]; --b[i]; } rep(i,0,n) val[0][i]=-1; dfs(0,1); rep(i,1,n+1) printf("%d%c",ret[i]," \n"[i==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 67 68 69 70 | #include <bits/stdc++.h> using namespace std; #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define pb push_back #define eb emplace_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) typedef vector<int> VI; typedef basic_string<int> BI; typedef long long ll; typedef pair<int,int> PII; typedef double db; mt19937 mrand(1); const ll mod=1000000007; int rnd(int x) { return mrand() % x;} ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;} // head const int N=1010; int val[111][N]; int n,m,a[N],b[N],z,ret[N]; void dfs(int x,int dep) { if (x==m) { int c1=0; int *vl=val[dep-1]; rep(i,0,n) if (vl[i]==1) c1++; rep(l,0,n) { int d0=0,d1=0; rep(r,l,n) { if (vl[r]==0) d0++; else if (vl[r]==1) d1++; if (d0) break; if (c1-d1==0) ret[r-l+1]^=1; } } } else { memcpy(val[dep],val[dep-1],sizeof(int)*n); int *vl=val[dep]; while (x<m) { int u=a[x],v=b[x]; if (vl[u]==1||vl[v]==0) { swap(vl[u],vl[v]); } else if (vl[u]==0||vl[v]==1) { } else { vl[u]=vl[v]=0; dfs(x+1,dep+1); vl[u]=vl[v]=1; dfs(x+1,dep+1); return; } ++x; } if (x==m) dfs(x,dep+1); } } int main() { scanf("%d%d",&n,&m); rep(i,0,m) { scanf("%d%d",&a[i],&b[i]); --a[i]; --b[i]; } rep(i,0,n) val[0][i]=-1; dfs(0,1); rep(i,1,n+1) printf("%d%c",ret[i]," \n"[i==n]); } |