Go: package main

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

func main() {
	var n int
	fmt.Scanf("%d", &n)

	adj := make([][]string, n)
	for i := 0; i < n; i++ {
		adj[i] = make([]string, n)
		for j := 0; j < n; j++ {
			adj[i][j] = "0"
		}
	}

	sc := bufio.NewScanner(os.Stdin)
	for i := 0; i < n; i++ {
		sc.Scan()
		adjList := strings.Split(sc.Text(), " ")
		outDegree, _ := strconv.Atoi(adjList[1])

		if outDegree > 0 {
			for k := 0; k < outDegree; k++ {
				j, _ := strconv.Atoi(adjList[k+2])
				adj[i][j-1] = "1"
			}
		}
	}

	for i := 0; i < len(adj); i++ {
		fmt.Println(strings.Join(adj[i], " "))
	}

}

C++: #include <iostream>
#include <string>
#include <vector>
#include <set>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <functional>
#include <map>
#include <cmath>
#include <queue>

using namespace std;

int main() {


    int n;scanf("%d",&n);
    int u;
    int k;
    vector<vector<int> > graph;
    graph.resize(n);
    for(int i=0;i<n;i++){
        graph[i].resize(n);
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            graph[i][j]=0;
        }
    }

    for(int i=0;i<n;i++){
        scanf("%d",&u);
        scanf("%d",&k);
        int value;
        for(int j=0;j<k;j++){
            scanf("%d",&value);
            graph[u-1][value-1]=1;
        }
    }

    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            printf("%d",graph[i][j]);
            if(j!=n-1){
                printf(" ");
            }
        }
        if(i!=n-1) {
            printf("\n");
        }
    }

    return 0;
}

C++: #include <stdio.h>

int map_max;
int map[110][110];
int rows;
int cols[110];
int mat[110][110];

void get_map();
void print_map();
void conv_map();
void print_mat();

int main()
{

  get_map();
  //print_map();
  conv_map();
  print_mat();
  return 0;
}

void get_map()
{

  int k;
  scanf("%d", &map_max);//<100

  for(int i=0;i<map_max;i++)
    {
      scanf("%d", &k);
      scanf("%d", &cols[i]);
      for(int j=0;j<cols[i];j++)
	{
	  map[i-1][j-1]=0;
	  scanf("%d", &map[i-1][j-1]);
	}
    }

  
  return ;
}

void print_map()
{
  for(int i=0;i<map_max;i++)
    {
      for(int j=0;j<cols[i];j++)
	{
	  printf("%d", map[i-1][j-1]);
	}
      puts("");
    }
return ;
}


void conv_map()
{
  for(int i=0;i<map_max;i++)
    {
      for(int j=0;j<cols[i];j++)
	{
	  mat[i][map[i-1][j-1]-1]=1;
	}
    }
  return ;
}

void print_mat()
{
  for(int i=0;i<map_max;i++)
    {
      for(int j=0;j<map_max;j++)
	{
	  printf("%d", mat[i][j]);
	}
      puts("");
    }
}

C++: #include <stdio.h>

int  main(){
  int i, j, k, n, x, y;
  int ans[101][101];
  
  scanf("%d", &n);
  
  for(i=0; i<n; i++){
    for(j=0; j<n; j++)
      ans[i][j] = 0;
  }
  
  for(i=0; i<n; i++){
    scanf("%d %d", &x, &y);
    for(j=0; j<y; j++){
      scanf("%d", &k);
      ans[i][k-1] = 1;
    }
  }
  
  for(i=0; i<n; i++){
    for(j=0; j<n; j++){
      if(j>0)
        printf(" ");
      printf("%d", ans[i][j]);
    }
    printf("\n");
  }
  
  return 0;
}

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

int main(){
  int n;
  int g[101][101];
  fill(g[0],g[101],0);
  cin >> n;
  for(int i = 0;i < n;i++){
    int u,k;
    cin >> u >> k;
    for(int j = 0;j < k;j++){
      int v;
      cin >> v;
      g[u][v] = 1;
    }
  }
  for(int i = 1;i <= n;i++){
    cout << g[i][1];
    for(int j = 2;j <= n;j++){
      cout << ' ' << g[i][j];
    }
    cout << endl;
  }
}

C++: #include <iostream>
#define NUM 100
using namespace std;

int result[NUM][NUM];

int main()
{
    int n;
    cin >> n;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            result[i][j] = 0;
        }
    }

    for (int i = 0; i < n; i++)
    {
        int u, k;
        cin >> u >> k;
        for (int j = 0; j < k; j++)
        {
            int tmp;
            cin >> tmp;
            result[u - 1][tmp - 1] = 1;
        }
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            if (j)
                cout << ' ';
            cout << result[i][j];
        }
        cout << endl;
    }

    return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
    int n, u, k, v;
    cin >> n;

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

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

    return 0;
}

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

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


int main(){
  int n;
  int u,k;
  int v;
  int map[100][100]={0};
  cin >> n;
  for(int i=0;i<n;i++){
    cin >> u >> k;
    for(int j=0;j<k;j++){
      cin >> v;
      map[u-1][v-1]=1;
    }
  }
  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++){
      cout << map[i][j];
      if(j<n-1){
        cout << " ";
      }
    }
    cout << endl;
  }
  return 0;
}

C++: #include <iostream>
#include <vector>

using namespace std;

vector<vector<int> > list_to_mat(vector<vector<int> >& adj){

  const int mat_size = (int)adj.size();
  vector<vector<int> > ans(mat_size,vector<int>(mat_size,0));
  for(int i=0; i<mat_size; i++){
    for(int j=0; j<adj[i].size(); j++){
      ans[i][adj[i][j]-1] = 1;
    }
  }
  return ans;
}

void dump_mat( vector<vector<int> > mat){
  
  const int mat_size = (int)mat.size();
  for(int i=0; i<mat_size; i++){
    for(int j=0; j<mat[i].size(); j++){
      cout << mat[i][j];
      if(j!=mat[i].size()-1)
	cout << " ";
      else
	cout << "\n";
    }
  }

}

int main(){
  int n; cin >> n;

  vector<vector<int> > list;
  for(int i=1; i<=n; i++){
    int u,k; cin >> u >> k;
    vector<int> tmp(k);
    for(int j=0; j<k; j++) cin >> tmp[j];
    list.push_back(tmp);
  }
  vector<vector<int> > mat = list_to_mat(list);
  dump_mat(mat);
}

C++: #include<bits/stdc++.h>
const long long INF = INT_MAX / 2;
const long long MOD = 1000000007;
const long double PI = 3.1415926;
#define FOR(i,r,n) for(ll i = (ll)(r); i < (ll)(n); i++)
#define RFOR(i,r,n) for(ll i=(ll)(n-1);i>=r;i--)
#define REP(i,n) FOR(i,0,n)
#define REP1(i,n) FOR(i,1,n+1)
#define RREP(i,n) RFOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define RALL(x) x.rbegin(),x.rend()
#define ll long long int
using namespace std;
ll ans = 0, sum = 0, n, k, cnt = 0, w, h;
string s;
vector<ll> v;
vector < pair<ll, ll > > vp;
vector<vector<ll> > vv(50, vector<ll>(50, INF));
vector<string> vs;
vector<char> vc;
set<ll> st;
map<char, ll> mp;

/*--------------------template--------------------*/

int main()
{
	cin >> n;
	ll d[100][100];
	REP(i, n) REP(j, n) d[i][j] = 0;
	REP(i,n)
	{
		cin >> w >> k;
		REP(j, k) {
			cin >> h;
			d[i][h - 1] = 1;
		}
	}
	
	REP(i, n) {
		REP(j, n)
		{
			if (j) cout << ' ';
			cout << d[i][j];
		}
		cout << endl;
	}
}

C++: #include<iostream>
#define REP(i, n) for(int i = 0;i < n;i++)
#define REP(j, n) for(int j = 0;j < n;j++)
using namespace std;

int main()
{
	int i,n,u;
	int v[100][100];
	cin >> n;
	REP(i,n){
		cin >> u;
		cin >> k;
		REP(i,k){
			cin >>v[i][k];
		}
	}
	REP(i,n){
		REP(j,n){
			cout << v[i][j] << " ";
		}
		cout<<endl;
	}
}