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>
using namespace std;
int main(){
  int N;
  bool info[100][100] = {{}};
  cin >> N;
  for(int i = 0; i < N; i++){
    int u, k;
    cin >> u >> k;
    while(k--){
      int v;
      cin >> v;
      info[u - 1][v - 1] = true;
    }
  }
  for(int i = 0; i < N; i++){
    for(int j = 0; j < N; j++){
      cout << info[i][j] << (j + 1 == N ? '\n' : ' ');
    }
  }
}

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

int main(){
  int n,u,k,v;
  int A[101][101];

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

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

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


int main()
{
    int n, m[101][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;
            m[u][v] = 1;
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++) {
            if(j != 1) cout << " ";
            cout << m[i][j];
        
        }
        cout << endl;
    }
    
    
    
    
    return 0;
}

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

struct Node{
    int k;int u;
};

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

C++: #include <iostream>
using namespace	std;
int main(){

  int n,graph[100][100]={},a,b,tmp;
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>a>>b;
    for(int j=0;j<b;j++){
      cin>>tmp;
      graph[a-1][tmp-1]=1;
    }
  }

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

  return 0;

}

C++: #include <iostream>
#include <vector>
#include <cassert>
#include <algorithm>
#include <functional>

using namespace std;
    
#include <iostream>
#include <vector>
#include <cassert>
#include <algorithm>
#include <functional>
#include <cmath>
#include <iomanip>
#include <limits>
#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    vector<vector<int>> vec(n);
    vector<int> SIZE;
    for(int i=0;i<n;i++){
        int x;
        cin >> x;
        int num;
        cin >> num;
        SIZE.push_back(num);
        for(int j = 0;j< num;j++){
            int y;
            cin >> y;
            vec[x-1].push_back(y-1) ;
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            bool hantei=0;
            for(int k=0;k<SIZE[i];k++){
                if(vec[i][k]==j) {cout << 1 <<" "; hantei=1;}
            }
            if(hantei==0) cout <<0<<" ";
        }cout << endl;
    }cout << endl;
}cout << endl;

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

int G[110][110] ={0};

int main(){
  int n;
  cin >> n;
  int u, k;
  int v[100000];
  for(int i=0; i<n; i++){
    cin >> u >> k;
    for(int j=0; j<k; j++){
      cin >> v[j];
      G[i][v[j]] = 1;
    }
  }
  for(int i=0; i<n; i++){
    for(int j=1; j<n+1; j++){
      cout << G[i][j] << " ";
    }
    cout << endl;
  }
    
    
}

C++: #include <iostream>
#include <algorithm>
#include <stack>
#include <string>
#include <queue>
#include <cstdlib>
#include <cstdio>
#include <cmath>
#include <vector>
#include <list>
#include <string.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include <map>
#define INFTY (1<<30)
#define MAX 100000000

using namespace std;

int main() {
	int n, m[100][100] = {};
	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;
			m[i][v] = 1;
		}
	}
	for( int i = 0; i < 100; i++) {
		for( int j = 0; j < 100; j++) {
			cout << m[i][j] << ' ';
		}
		cout << endl;
	}

    return 0;
}

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

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

C++: #include<iostream>
using namespace std;
static const int N=100;

int main(){
    int M[N][N];
    int n,u,v,k;
    
    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<stdio.h>

int main(){

    int n;
    scanf("%d", &n);

    int A[100][100];
    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++){
        int u, k;
        scanf("%d %d", &u, &k);
        u--;
        for(int j=0; j<k; j++){
        int v;
        scanf("%d", &v);
        v--;
        A[u][v] = 1;    //uとvに辺を張る
        }
    }

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

    return 0;
}

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(" ");
            }
        }

    }

    return 0;
}