Go: package main

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

//util
var sc = bufio.NewScanner(os.Stdin)

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

func nextInt() int {
	sc.Scan()
	i, e := strconv.Atoi(sc.Text())
	if e != nil {
		panic(e)
	}
	return i
}

func printList(list []int) {
	n := len(list)
	buf := bufio.NewWriter(os.Stdout)
	for _, v := range list[0 : n-1] {
		buf.Write([]byte(fmt.Sprintf("%d ", v)))
	}
	buf.Write([]byte(fmt.Sprintf("%d\n", list[n-1])))
	buf.Flush()
}

func max(a, b int) int {
	if a > b {
		return a
	} else {
		return b
	}
}

func min(a, b int) int {
	if a > b {
		return b
	} else {
		return a
	}
}

//solve

const MAX = 100

var n int
var A [MAX + 1][MAX + 1]int

func main() {
	sc.Split(bufio.ScanWords)
	n = nextInt()
	for i := 0; i < n; i++ {
		u, k := nextInt(), nextInt()
		A[u-1][u-1] = 0

		//fmt.Println(u, k)
		if k > 0 {
			for j := 0; j < k; j++ {

				v := nextInt()
				A[u-1][v-1] = 1

			}
		}

	}

	for i := 0; i < n; i++ {
		printList(A[i][0:n])
	}

}

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

void solve(){
  int n; cin >> n;
  vector<vector<int> > v(n, vector<int>(n, 0));
  for(int i = 0; i < n; i++){
    int u, k; cin >> u >> k;
    for(int j = 0; j < k; j++){
      int x; cin >> x;
      v[u - 1][x - 1] = 1;
    }
  }
  for(int i = 0; i < n; i++){
    for(int j = 0; j < n - 1; j++){
      cout << v[i][j] << " ";
    }
    cout << v[i][n - 1] << endl;
  }
  return;
}

int main(){
  solve();
  return 0;
}

C++: #include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);++i)
using namespace std;


int G[100][100];
int main(){
    // 制約見て！！！デカかったらlong longにすること！
    int k,n,u;
    cin >> n;
    for(int i = 0; i < n ; i++){
        cin >> u;
        cin >> k;
        for(int i2 = 0; i2 < k ; i2++){
            int j;
            cin >> j;
            G[i][j-1] = 1;
        }
    }

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

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

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

C++: #if 0

#endif

#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;

int N;
int GM[110][110];
vector<int> GL[110];

int main() {
  cin >> N;
  for (int i = 1; i <= N; i++) {
    for (int j = 1; j <= N; j++)
      GM[i][j] = 0;
  }
  int u, k;
  for (int i = 1; i <= N; i++) {
    cin >> u >> k;
    int t;
    for (int j = 0; j < k; j++) {
      cin >> t;
      GM[i][t] = 1;
    }
  }
  for (int i = 1; i <= N; i++) {
    for (int j = 1; j <= N; j++)
      cout << GM[i][j] << (j == N ? '\n' : ' ');
  }
}

C++: #include<stdio.h>
#define N 100

int main(){
    int i,j,n,k,u,v,M[N+1][N+1];

    scanf("%d",&n);

    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            M[i][j]=0;
        }
    }

    for(i=0;i<n;i++){
        scanf("%d%d",&u,&k);
        for(j=0;j<k;j++){
            scanf("%d",&v);
            M[u-1][v-1]=1;
        }
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            printf("%d ",M[i][j]);
        }
        puts("");
    }
    return 0;
}

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

int main(){
    int n,u,k,v;
    int m[MAX][MAX];
    
    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!=0)cout<<" ";
            cout << m[i][j];
        }cout<<endl;
    }
    
    return 0;
    
}

C++: #include <iostream>

#define REP(i,n) for (int i=0;i<(n);i++)
using namespace std;

int n;
typedef vector<vector<int> > AdjMatrix;
AdjMatrix graph;


int main()
{
    int u,k,v;
    cin >> n;
    graph = AdjMatrix(n, vector<int>(n, 0));
    REP(i,n){
        cin >> u >> k;
        REP(j,k){
            cin >> v;
            graph[u-1][v-1] = 1;
        }
    }


    REP(i, n){
        REP(j, n){
            cout << graph[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
        int n, m, k, r;
        cin>>n;
        int a[n][n];
        for(int i=0;i<n;i++)
                for(int j=0;j<n;j++)
                        a[i][j] = 0;
        for(int i=0;i<n;i++){
                cin>>r;
                cin>>m;
                for(int j=0;j<m;j++){
                        cin>>k;
                        a[r-1][k-1] = 1;
                }
        }
        for(int i=0;i<n;i++){
                for(int j=0;j<n;j++)
                        cout<<a[i][j]<<" ";
                cout<<endl;
        }
        return 0;
}

C++: #include<iostream>
#include<queue>
using namespace std;
void bfs(int src)
{
  queue<int>Q;
  Q.
}

int main()
{
  int n,u,k,v,**M;
  cin>>n;
  M=new int*[n];
  for(int i=0;i<n;i++)
    {
      M[i]=new int[n];
      for(int j=0;j<n;j++)
	M[i][j]=0;
    }
  int count=0;
  while(count<n)
    {
      count++;
      cin>>u>>k;
      for(int i=0;i<k;i++)
	{
	  cin>>v;
	  M[u-1][v-1]=1;
	}
    }
  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++)
      cout<<' '<<M[i][j];
    cout<<endl;
  }
  delete M;
}

C++: #include <algorithm>
#include <bitset>
#include <cctype>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
using namespace std;

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

C++: #include<iostream>
using namespace std;
int M[100][100];

int main()
{
    int n;
    int r,node,c;

    cin >> n;

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

    for(int i=0;i<n;i++)
    {
        cin >> r;
        if(i==r-1)
        {
            //cout << "hhh" << endl;
            cin >> node;
            for(int j=0;j<node;j++)
            {
                cin >> c;
                M[r-1][c-1]=1;
            }
        }

    }

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


    return 0;
}