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++: #define _GLIBCXX_DEBUG
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(v) v.begin(), v.end()
typedef long long ll;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

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


int main(){
  int n;
  cin>>n;
  
  vector<vector<int>> vec(n, vector<int>(n,0));
  
  int x,y,z;
  rep(i,n){
    cin>>x>>y;
    rep(j,y){
      cin>>z;
      vec[x-1][z-1]=1;
    }
  }
  
  rep(i,n){
    rep(j,n){
      if(j) cout<<" ";
      cout<<vec[i][j];
    }
    cout<<endl;
  }
  
  return 0;
}

C++: // 
// 問題URL: 
// 中央*右
// 

#include <iostream>

using namespace std;

int N, u, k, v, Adj[105][105]={};

int main(){
    cin >> N;

    for(int i = 1; i <= N; i++){
        cin >> u >> k;
        for(int j = 1; j <= k; j++){
            cin >> v;
            Adj[i][v] = 1;
        } 
    }

    for(int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++){
            cout << Adj[i][j];
            if(j==N) cout << endl;
            else cout << " ";
        }
    }
}

C++: #include <stdio.h>
int main(){
    int n,a,m,temp,graph[101][101];
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            graph[i][j]=0;
        }
    }
    for(int i=0;i<n;i++){
        scanf("%d%d",&a,&m);
        for(int j=0;j<m;j++){
            scanf("%d",&temp);
            graph[a][temp]++;
        }
    }
    for(int i=1;i<=n;i++){
        printf("%d",graph[i][1]);
        for(int j=2;j<=n;j++){
            printf(" %d",graph[i][j]);
        }
        printf("\n");
    }
}

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

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

    return 0;
}

C++: // ALDS1_11_A.cpp
// Graph I - Graph

#include <iostream>
#include <vector>
using namespace std;

void print(vector<vector<int>> &A, int n)
{
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (j > 0) cout << " ";
            cout << A[i][j];
        }
        cout << endl;
    }
}

int main()
{
    int n;
    cin >> n;
    int id;
    int num;
    vector<vector<int>> A(n, vector<int>(n));
    for (int i = 0; i < n; i++) {
        cin >> id >> num;
        if (num == 0) continue;
        else {
            int tmp;
            for (int j = 0; j < num; j++) {
                cin >> tmp;
                A[id - 1][tmp - 1] = 1;
            }
        }
    }

    print(A, n);

    return 0;
}

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;
  }
  return 0;
}

C++: #include <iostream>

using namespace std;

#define N 100

int main()
{
	int m[N][N] = {0};
	
	int n;	cin >> n;

	int v, in, out;
	for (int i = 0; i < n; ++i)
	{
		cin >> in >> v;
		for (int j = 0; j < v; ++j)
		{
			cin >> out;
			m[in - 1][out - 1] = 1;
		}
	}

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

	return 0;
}

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

int main() {
	int n,u,k,v;
	int i,j;
	vector<vector<int> > V;
	scanf("%d",&n);
	V.resize(n);
	for(i=0; i<n; ++i) {
		V[i].resize(n);
		for(j=0; j<n; ++j) {
			V[i][j]=0;
		}
	}
	for(i=0; i<n; ++i) {
		scanf("%d%d",&u,&k);
		for(j=0; j<k; ++j) {
			scanf("%d",&v);
			V[u-1][v-1]=1;
		}
	}
	for(i=0; i<n; ++i) {
		for(j=0; j<n-1; ++j) {
			printf("%d ",V[i][j]);
		}
		printf("%d\n",V[i][n-1]);
	}
	return 0;
}

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

using namespace std;

class Vertex
{
public:
    int number_of_edges;
    vector<int> edges;
};

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

    vector<Vertex> adjacency_list(n);
    for (int i = 0; i < n; ++i) {
        int index;
        cin >> index >> adjacency_list[i].number_of_edges;

        adjacency_list[i].edges.resize(adjacency_list[i].number_of_edges);
        for (int j = 0; j < adjacency_list[i].number_of_edges; ++j)
            cin >> adjacency_list[i].edges[j];
    }

    vector<vector<int>> adjacency_matrix(n, vector<int>(n, 0));
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < adjacency_list[i].number_of_edges; ++j)
            adjacency_matrix[i][adjacency_list[i].edges[j] - 1] = 1;
    }

    for (int i = 0; i < n; ++i) {
        cout << adjacency_matrix[i][0];
        for (int j = 1; j < n; ++j)
            cout << ' ' << adjacency_matrix[i][j];
        cout << '\n';
    }
}

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[101][101] = {};
	cin >> n;
	for( int i = 1; i <= n; i++) {
		int u, k;
		cin >> u >> k;
		for( int j = 1; j <= k; j++) {
			int v;
			cin >> v;
			m[i][v] = 1;
		}
	}
	for( int i = 1; i <= n; i++) {
		for( int j = 1; j <= n; j++) {
			if( j < n) cout << m[i][j] << ' ';
			else cout << m[i][j]
		}
		cout << endl;
	}

    return 0;
}

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

int main(){
    int n;
    std::cin >> n;
    std::vector<std::vector<int>> mat(n, std::vector<int>(n, 0));
    
    for (int i = 0; i < n; i++){
        int u, k;
        std::cin >> u >> k;
        while(k--){
            int a;
            std::cin >> a;
            mat[u - 1][a - 1] = 1;
        }
    }
    
    // output
    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            std::cout << mat[i][j];
            if (j != n - 1) std::cout << " ";
        }
        std::cout << std::endl;
    }
}