#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- template class UF_pop { public: vector par,rank; vector> hist; UF_pop() {par=rank=vector(um,0); for(int i=0;i uf; const ll mo=998244353; int p2[404040]; int N,Q; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>Q; p2[0]=1; FOR(i,404010) p2[i+1]=p2[i]*2%mo; int num=2*N; int ng=0; while(Q--) { cin>>i; int U,V; if(i==1) { cin>>U>>V; U--,V--; if(uf[2*U]!=uf[2*V]) { num--; uf(2*U,2*V); } if(uf[2*U+1]!=uf[2*V+1]) { num--; uf(2*U+1,2*V+1); } if(uf[2*U]==uf[2*U+1]) ng=1; if(uf[2*V]==uf[2*V+1]) ng=1; } else if(i==2) { cin>>U>>V; U--,V--; if(uf[2*U]!=uf[2*V+1]) { num--; uf(2*U,2*V+1); } if(uf[2*U+1]!=uf[2*V]) { num--; uf(2*U+1,2*V); } if(uf[2*U]==uf[2*U+1]) ng=1; if(uf[2*V]==uf[2*V+1]) ng=1; } else { while(uf.hist.size()) uf.pop(); num=2*N; ng=0; } if(ng) { cout<<0<