Go: package main

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

func getScanner(fp *os.File) *bufio.Scanner {
	scanner := bufio.NewScanner(fp)
	scanner.Split(bufio.ScanWords)
	scanner.Buffer(make([]byte, 500001), 500000)
	return scanner
}

func getNextString(scanner *bufio.Scanner) string {
	scanner.Scan()
	return scanner.Text()
}

func getNextInt(scanner *bufio.Scanner) int {
	i, _ := strconv.Atoi(getNextString(scanner))
	return i
}

func main() {
	fp := os.Stdin
	if len(os.Args) > 1 {
		fp, _ = os.Open(os.Args[1])
	}

	scanner := getScanner(fp)
	writer := bufio.NewWriter(os.Stdout)

	n := getNextInt(scanner)
	g := make([][]int, n)

	for i := 0; i < n; i++ {
		g[i] = make([]int, n)
	}

	for i := 0; i < n; i++ {
		u := getNextInt(scanner)
		k := getNextInt(scanner)
		u--
		for ii := 0; ii < k; ii++ {
			v := getNextInt(scanner)
			v--
			g[u][v] = 1
		}
		fmt.Fprintln(writer, joinint(g[u], " "))
	}

	writer.Flush()
}

func joinint(a []int, sep string) string {
	n := len(a)
	ss := make([]string, n)
	for i := 0; i < n; i++ {
		ss[i] = fmt.Sprintf("%d", a[i])
	}
	return strings.Join(ss, sep)
}

C++: #include<iostream>
#define SIZE 100

using namespace std;

int main(void) {

	int n, c, v;
	int G[SIZE][SIZE];
	int A[SIZE][SIZE];

	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 >> v;
		cin >> c;
		for (int j = 0; j < c; j++) {
			cin >> G[i][j];
			int tmp = G[i][j];
			if (tmp > 0) {
				A[i][tmp - 1] = 1;
			}
		}
	}

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

C++: // 最長共通部分列 問題
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<stack>
#include<algorithm>
#include<iostream>
#include<cmath>
#include<vector>

using namespace std;

#define MAX_N 100
// 無効な値の定義
const int INV = -1;

int main(void)
{
    int n, u, num, v_num;
    int ary_adj[MAX_N];

    for(int i = 0; i < MAX_N; i++)
    {
        ary_adj[i] = 0;
    }

    cin >> n;

    for(int i = 0; i < n; i++)
    {
        cin >> u;
        cin >> num;

        for(int j = 0; j < num; j++)
        {
            cin >> v_num;
            ary_adj[v_num] = 1;
        }

        for(int k = 1; k <= n; k++)
        {
            if( k > 1 )
            {
                cout << " ";
            }

            if( ary_adj[k] == 1 )
            {
                cout << 1;
                ary_adj[k] = 0;
            }
            else
            {
                cout << 0;
            }
        }

        cout << endl;
    }

    return 0;
}

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

bool A[110][110];

int main (){
	int n,a,b,c;
	cin>>n;
	for(int i=1;i<=n;i++){
			for(int j=1;j<=n;j++){
				A[i][j]=false;
		}
	}
	for(int i=1;i<=n;i++){
		cin>>a>>b;
		for(int j=1;j<=b;j++){
			cin>>c;
			A[a][c]=true;
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			if(j==n) cout<<A[i][j]<<" \n";
			else cout<<A[i][j]<<" ";
		}
	}
	return 0;
}

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

int main(void) {
    int i,j,n,u,k,v;
    vector< vector<int> > arr;
    cin >> n;
    arr.resize(n);
    rep(i,n) {
        arr[i].resize(n,0);
    }
    rep(i,n){
        cin >> u >> k;
        u--;
        rep(j,k){
            cin >> v;
            v--;
            arr[u][v]=1;
        }
    }
    rep(i,n){
        rep(j,n){
            if(j!=0) cout << " ";
            cout << arr[i][j];
        }
        cout << endl;
    }
    return 0;
}

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

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

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

static const int N = 100;

int main(void) {
	int M[N][N];
	int n, u, k, v;

	scanf("%d", &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++) {
		scanf("%d%d", &u, &k);
		u--;//0オリジンへ変換する
		for (int j = 0; j < k; j++) {
			scanf("%d", &v);
			v--;
			M[u][v] = 1;
		}
	}

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

	return 0;
}

C++: #include<stdio.h>

#define MAX 100

int G[MAX+1][MAX+1];

int main() {
    int n;
    scanf("%d", &n);
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            G[i][j] = 0;
        }
    }
    for (int i = 0; i < n; ++i) {
        int u,k;
        scanf("%d %d", &u, &k);
        for (int j = 0; j < k; ++j) {
            int t;
            scanf("%d", &t);
            G[u][t] = 1;
        }
    }
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (j > 1) printf(" ");
            printf("%d",G[i][j]);
        }
        printf("\n");
    }
}

C++: #define _CRT_SECURE_NO_WARNINGS

#include<iostream>
#include<functional>
#include<algorithm>
#include<stack>
#include<queue>
#include<iomanip>
#include<set>
#include<map>
#include<utility>
#include<string>
#include<vector>

using namespace std;

#define LL long long

bool adj[101][101]={};
int n;

int main() {
	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;
			adj[u][v]=true;
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<n;j++){
			cout<<adj[i][j]<<" ";
		}
		cout<<adj[i][n]<<endl;
	}
	return 0;
}

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

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

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

	return 0;
}

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

const long N = 100;

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

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

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

  int mat[n][n];
  for(int i=0;i<n;i++)
    for(int j=0;j<n;j++)
      mat[i][j]=0;

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

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

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

using namespace std;

int mat[110][110];

int main()
{

    int n;

    cin>>n;

    for(int i=0;i<n;i++)
    {
        int a,b;

        cin>>a>>b;

        for(int j=0;j<b;j++)
        {
            int c;

            cin>>c;

            mat[a][c]=1;
        }
    }

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


    return 0;
}