Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

var sc = bufio.NewScanner(os.Stdin)

func scanInt() int {
	num, _ := strconv.Atoi(scanString())
	return num
}

func scanString() string {
	sc.Scan()
	return sc.Text()
}

func init() {
	sc.Split(bufio.ScanWords)
}

func main() {
	n := scanInt()
	arr := make([][]int, n)
	for i := 0; i < n; i++ {
		u := scanInt()
		k := scanInt()
		arr[u-1] = make([]int, n)
		for j := 0; j < k; j++ {
			n := scanInt()
			arr[u-1][n-1] = 1
		}
	}

	w := bufio.NewWriter(os.Stdout)
	for _, col := range arr {
		fmt.Fprintln(w, strings.Trim(fmt.Sprint(col), "[]"))
	}
	w.Flush()
}

C++: #include <iostream>
#include <vector>
using namespace  std;

void fnInput(vector<vector<int>>& rvvnAdjcy)
{
  int nMaxSiz;
  cin >> nMaxSiz;

  rvvnAdjcy.resize(nMaxSiz + 1, vector<int>(nMaxSiz + 1, 0));
  for (int i = 0; i < nMaxSiz; i++)
  {
    int nx, nSecSiz;
    cin >> nx >> nSecSiz;
    for (int j = 0; j < nSecSiz; j++)
    {
      int ny;
      cin >> ny;
      rvvnAdjcy[nx][ny] = 1;
    }
  }
}

void fnResult(const vector<vector<int>>& cnrvvnAdjcy)
{
  for (int i = 1; i < cnrvvnAdjcy.size(); i++)
  {
    for (int j = 1; j < cnrvvnAdjcy[i].size(); j++)
    {
      if (j != 1) cout << " ";
      cout << cnrvvnAdjcy[i][j];
    }
    cout << endl;
  }
}

int main()
{
  cin.tie(0);
  ios::sync_with_stdio(false);
  vector<vector<int>> vvnAdjcy;

  fnInput(vvnAdjcy);
  fnResult(vvnAdjcy);

  return 0;
}

C++: #include <iostream>
using namespace std;

int main(){
	int n,m,l,i,j,p;
	cin >> n;
	int f[1000][1000];
	for ( i = 0; i < n; i++){
		cin >> m;
		cin >> p;
		for ( j = 0; j < p; j++){
			cin >> l;
			f[m-1][l-1] = 1;
		}
	}
	for ( i = 0; i < n; i++){
		for ( j = 0; j < n-1; j++){
			cout << f[i][j] << " ";
		}
		cout << f[i][n-1] << endl;
	}
}

C++: #include<iostream>
#include<cstdio>
#include<algorithm>

#define MAX 100
using namespace std;


int main(){
	int M[MAX][MAX]={0};
	int n,k,u,v;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		scanf("%d",&u);
		scanf("%d",&k);
		for(int i=0;i<k;i++){
			scanf("%d",&v);
			M[u-1][v-1]=1;
		}
	}
	
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			if(j!=0)
			printf(" ");
			printf("%d",M[i][j]);
		}
		printf("\n");
	}
}

C++: #include <stdio.h>
#include <vector>
using namespace std;
int main(){
    int cases;
    scanf("%d",&cases);
    for(int i=0;i<cases;i++){
        int times;
        scanf("%*d%d",&times);
        vector<int>table;
        for(int k=0;k<times;k++){
            int num;
            scanf("%d",&num);
            table.push_back(num);
        }
        int tmp=0;
        for(int k=0;k<cases;k++){
            if(k!=0){
                printf(" ");
            }
            if(tmp<table.size() && table[tmp]==k+1){
                printf("1");
                tmp++;
            }else{
                printf("0");
            }
        }
        printf("\n");
    }
}

C++: #include <iostream>

using namespace std;

int main() {
	int n, id, k, v, matrix[100][100] = { 0 };
	cin >> n;

	for (int i = 0; i < n; i++) {
		cin >> id >> k;
		for (int j = 0; j < k; j++) {
			cin >> v;
			matrix[id - 1][v - 1] = 1;
		}
	}

	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n - 1; j++) {
			cout << matrix[i][j] << " ";
		}
		cout << matrix[i][n - 1] << endl;
	}

	return 0;
}

C++: #include<iostream>
#include<vector>
using namespace std;


int main(){
  int n;cin >>n;
  vector< vector<int> > dp(n,vector<int>(n,0));
  for(int i=0;i<n;i++){
    int k;cin >> k >> k;
    for(int j=0;j<k;j++){
      int l;cin >> l;
      dp[i][l-1]=1;
    }
  }
  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++){
      if(j!=0)cout << " " << dp[i][j];
      else cout << dp[i][j];
    }
    cout << endl;
  }

}

C++: #include <bits/stdc++.h>

using namespace std;
typedef pair<int,int> p;

int main(void){
  int n,a,b,c;
  cin >> n;
  int v[n][n];
  for(int i=0;i<n;i++){
    cin >> a >> b;
    for(int j=0;j<b;j++){
      cin >> c;
      v[a-1][c-1]=1;
    }
  }
  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++){
      if(v[i][j]!=1)cout << 0 << ' ';
      else cout << v[i][j] << ' ';
    }
    cout << endl;
  }
  cout << endl;
  return 0;
}

C++: #include <iostream>
using namespace std;
int main() {
    int num, num1, numb2, list1;
    cin >> num;
    int matrix[num][num] = {};
    for(int i = 0; i < num; i++) {
        cin >> num1 >> numb2;
        for(int i = 0 ; i < numb2; i++) {
            cin >> list1;
            matrix[num1 - 1][list1 - 1] = 1;
        }
    }
    for(int i = 0 ; i < num; i++) {
        for (int p = 0; p < num; p++) {
            if (p != num -1) {
                cout << matrix[i][p] << " ";
            } else cout<<matrix[i][p] << endl;
        }
    }
}

C++: #include "bits/stdc++.h"

#define REP(i,num) for(int i=0;i<(num);++i)
#define ALL(c) c.begin(),c.end()
#define PRINTALL(c) for(auto& x:c){cout<<x<<' ';}cout<<endl;
#define PAIRCOMP(c,comp) [](const pair<ll,ll>& lhs,const pair<ll,ll>& rhs){return lhs.c comp rhs.c;}

using namespace std;
using ll = long long;

constexpr ll atcoder_mod = 1e9+7;

template<typename T=int>
T in(){T x; cin >> x; return (x);}
template<typename T=int,typename C=vector<T>>
C vecin(int N){C x(N);REP(i,N){x[i]=in<T>();}return move(x);}

void vout(){cout << endl;}
template<typename Head,typename... Tail>
void vout(Head&& h,Tail&&... t){cout << ' ' << h;vout(forward<Tail>(t)...);}
void out(){cout << endl;}
template<typename Head,typename... Tail>
void out(Head&& h,Tail&&... t){cout << h;vout(forward<Tail>(t)...);}

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);

	int N=in();
	vector<vector<int>> M(N,vector<int>(N,0));
	REP(i,N){
		int v=in()-1,k=in();
		REP(j,k){
			M[v][in()-1] = 1;
		}
	}

	REP(i,N){
		REP(j,N-1){
			cout << M[i][j] << ' ';
		}
		out(M[i][N-1]);
	}
	return 0;
}

C++: #include<iostream>
using namespace std;
static const int N = 100;
 
int main(){
  int M[N][N];
  int n,u,k,v;
 
  cin >> n;
 
  for(int i = 0; i < n; i++){
    for(int j = 0; j <n; j++)M[i][j]=0;
  }
 
  for(int i = 0;i <n; i++){
    cin >> u >> k;
    u--;
    for(int j =0; j <k; j++){
      cin >> v;
      v--;
      M[u][v] = 1;
    }
  }
 
  for( int i =0;i<n;i++){
    for(int j =0;j<n;j++){
      if(j)cout << " ";
      cout << M[i][j];
    }
    cout << endl;
  }
 
  return 0;
}

C++: #include<iostream>

using namespace std;

int A[101][101] = {0};

int main(){
    int n, numx, numy, count;
    cin >> n;
    
    for(int i=1;i<=n;++i){
        cin >> numx;
        cin >> count;
        for(int j=0;j<count;++j){
            cin >> numy;
            A[numx][numy] = 1;
        }
    }
    
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout << A[i][j];
            if(j!=n){
                cout <<" ";
            }
        }
        cout << endl;
    }
    
    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;

int main(){
  int n,u,k,v;
  int g[102][102];
  
  memset(g,0,sizeof(g));

  cin>>n;
  for(int i=0;i<n;i++){
    cin>>u>>k;
    for(int j=0;j<k;j++){
      cin>>v;
      g[u][v]=1;
    }
  }
  for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
      if(j!=1)cout<<" ";
      cout<<g[i][j];
    }
    cout<<endl;
  }
  return(0);
}

C++: #include <iostream>
#include <vector>
using namespace std;
#define MAXN 101

bool find(vector<int> v, int j){
    bool e = false;
    for(vector<int>::iterator it = v.begin(); it!=v.end(); ++it){
        if (*it == j) e = true;
    }
    return e;
}

int main(){
    vector<int> adj[MAXN];
    int n; cin >> n;
    for(int i=1; i<=n; ++i){
        int l, m; cin >> l >> m;
        for(int j=0; j<m; ++j){
            int k; cin >> k;
            adj[l].push_back(k);
        }
    }
    
    for(int i=1; i<=n; ++i){
        for(int j=1; j<n; ++j){
            cout << (find(adj[i], j) ? 1 : 0 ) << " ";
        }
        cout << (find(adj[i], n) ? 1:0) << endl;
    }
}