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1167C.cpp
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54 lines (53 loc) · 1.06 KB
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#include<bits/stdc++.h>
#define intl long long
using namespace std;
vector<int>v[500009];
int n;
void dfs(int i,int visi[],int x){
if(visi[i]==-1)
return ;
visi[i]=x;
for(int j=0;j<v[i].size();j++){
dfs(v[i][j],visi,x);
}
}
int main(){
cout<<"ppp\n";
int m;
cin>>n>>m;
for(int i=0;i<m;i++){
int k;cin>>k;
int a;
if(k!=0)
cin>>a;
for(int j=1;j<k;j++){
int x;
cin>>x;
v[a].push_back(x);
v[x].push_back(a);
}
}
int visi[1000000];
memset(visi,-1,sizeof(visi));
int x=1;
for(int i=1;i<=n;i++){
if(visi[i]==-1){
dfs(i,visi,x);
x++;
}
}
unordered_map<int,int>um;
for(int i=1;i<=n;i++){
um[visi[i]]++;
cout<<visi[i]<<" ";
}
cout<<"\n";
for(int i=1;i<=n;i++){
if(um[visi[i]]==-1){
cout<<1<<"\n";
}
else{
cout<<um[visi[i]]<<" ";
}
}
}