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- #include <bits/stdc++.h>
- #include <stdio.h>
- #include <iostream>
- #include <vector>
- using namespace std;
- int main()
- {
- freopen ("Input.txt", "r", stdin);
- freopen ("Output.txt", "w", stdout);
- int n,k=0,a,b;
- cin>>n;
- cout<<n<<'\n';
- int c[110][110];
- for(int i=0;i<n;i++){
- for(int j=0;j<n;j++){
- c[i][j]=0;
- }
- }
- for(int i=0;i<n;i++){
- cin>>a;
- for(int j=0;j<a;j++){
- cin>>b;
- c[i][b-1]=1;
- }
- }
- for(int i=0;i<n;i++){
- for(int j=0;j<n;j++){
- cout<<c[i][j]<<' ';
- }
- cout<<'\n';
- }
- return 0;
- }
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