1 #include
     
       2  3 using namespace std; 4  5 int max(int x,int y){ 6     if(x>y)return x;else return y; 7 } 8  9 int find(int);10 11 int n,m,f,x,y,a,b;12 int fa[10005],h[10005];13 14 int main(){15     scanf("%d%d",&n,&m);16     for(int i=1;i<=n;i++){17         fa[i]=i;18         h[i]=1;19     }20     for(int i=1;i<=m;i++){21         scanf("%d%d%d",&f,&x,&y);22         a=find(x);23         b=find(y);24         if(f==1){25             if(h[a]