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++: // 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;
// 邻接表转化为邻接矩阵
int mat[105][105]; 
int main(){
//	freopen("a.txt","r",stdin);
	memset(mat,0,sizeof(mat));
	int n;
	cin>>n;
	int u,k,v;
	for(int i=0;i<n;i++){
		cin>>u>>k;
		for(int j=0;j<k;j++){
			cin>>v;
//			mat[u-1][v-1]=1;
			mat[u][v]=1;
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n-1;j++){
			cout<<mat[i][j]<<' ';
		}cout<<mat[i][n]<<endl;
	}
	return 0;
}

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_graph[MAX_N + 1][MAX_N + 1];

    for(int i = 0; i < MAX_N + 1; i++)
    {
        for(int j = 0; j < MAX_N + 1; j++)
        {
            // 配列の初期化
            ary_graph[i][j] = 0;
        }
    }

    cin >> n;

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

        for(int j = 0; j < num; j++)
        {
            // 隣接点を記憶する
            cin >> v_num;
            // 0オリジンに変更する
            ary_graph[u - 1][v_num - 1] = 1;
        }
    }

    // 結果の表示をする
    for(int i = 0; i < n; i++)
    {
        for(int j = 0; j < n; j++)
        {
            if( j > 0 )
            {
                cout << " ";
            }

            cout << ary_graph[i][j];
        }

        cout << endl;
    }

    return 0;
}

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

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

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

int main(){
	int n,m,l,i,j,p;
	cin >> n;
	int f[100][100];
	for ( i = 0; i < n; i++){
		cin >> m;
		cin >> p;
		for ( j = 0; j < p; j++){
			cin >> l;
			f[m-1][l-1] = 1;
		}
	}
	for ( i = 0; i < n; i++){
		for ( j = 0; j < n-1; j++){
			cout << f[i][j] << " ";
		}
		cout << f[i][n-1] << endl;
	}
}

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

int main() {
    int n; cin >> n;
    int u, k;
    int M[110][110] = {0};

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

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

C++: #include <bits/stdc++.h>
using namespace std;
 
int main(){
 
  int t[111][111];
 
  memset(t,0,sizeof(t));
  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;
      t[a][c] = 1;
    }
  }
 
  for(int i = 1; i <= n; i++){
    for(int j = 1; j <= n; j++){
      if(j != n)
      cout << t[i][j] << " ";
      else
    cout << t[i][j];
 
    }
    cout << endl;
  }
 
 
}

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 <stdio.h>
#define rep(i, n) for(int i = 0; i < n; ++i)

int main(void) {
  int n, i, j;
  scanf("%d", &n);
  char r[n][n];
  rep(i, n) rep(j, n) r[i][j] = 0;
  rep(i, n) {
    int u, k;
    scanf("%d%d", &u, &k);
    u--;
    rep(j, k) {
      int v;
      scanf("%d", &v);
      v--;
      r[v][u] = 1;
    }
  }
  rep(i, n) {
    rep(j, n - 1) printf("%d ", r[i][j]);
    printf("%d\n", r[i][n - 1]);
  }
  return 0;
}

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

#define N 100

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

scanf("%d",&n);

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

for(i=0;i<n;i++){
  scanf("%d %d",&u,&k);
  u--;

  for(j=0;j<k;j++){
    scanf("%d",&v);
    v--;
    unp[u][v]=1;
  }
}

for(i=0;i<n;i++){
  for(j=0;j<n;j++){
    if(j) cout << " ";
    cout << unp[i][j];
  }
  printf("\n");
}



  return 0;
}

C++: #include <iostream>
#include <string>
#include <map>
#include <set>
#include <algorithm>
using namespace std;
#define MAX 100000

int main(){
  int n;
  cin >>n;
  int A[n+2][n+2]={0};
  int t,k,l,
  for(int i=1;i<=n;i++){
    cin >> t >> k;
    for(int j=1;j<=k;j++){
      cin >> l;
      A[i][l]=1;
    }
  }
  for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
      cout << A[i][j];
    }
    cout << endl;
  }
  return 0;
}

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


static const int N=100;

int main()
{
    int M[N][N] //0 origin Adjacency matrix
    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--; //0 origin
        for(int j = 0; j < k; j++)
        {
            cin >> v;
            v--; //0 origin
            M[u][v]=1;//uとvの間に辺を張る
        }
    }


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