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>
#include <list>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <algorithm>
#include <cmath>
#include <string>
using namespace std;
typedef long long lli;
typedef vector<lli> vll;
typedef vector<bool> vbl;
typedef vector<vector<lli> > mat;
typedef vector<vector<bool> > matb;
typedef vector<string> vst;
typedef pair<lli,lli> pll;
typedef pair<double,double> pdd;

lli n;
lli u,k,v;

matb g;

int main(){
    cin >> n;
    g = matb(n+1,vbl(n+1));
    for(lli i = 0;i < n;i++){
        cin >> u >> k;
        for(lli j = 0;j < k;j++){
            cin >> v;
            g[u][v] = true;
        }
    }
    for(lli i = 1;i <= n;i++){
        for(lli j = 1;j <= n;j++){
            cout << g[i][j];
            if(j == n) cout << endl;
            else cout << " ";
        }
    }
    return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <map>
#include <set>
#include <vector>
#include <stack>
#include <queue>
#include <bitset>
#include <algorithm>
#include <numeric>
#include <functional>
using namespace std;

#define Rep(b, e, i) for(int i = b; i <= e; i++)
#define Repr(e, b, i) for(int i = e; i >= b; i--)
#define rep(n, i) Rep(0, n-1, i)
#define repr(n, i) Repr(n-1, 0, i)
#define all(v) (v).begin(), (v).end()
#define pb(v) push_back(v)
#define uniq(v) (v).erase(unique(all(v)),(v).end())
#define bitcnt(x) __builtin_popcount(x)
#define fst first
#define snd second
#define Pqaz(T) priority_queue<T,vector<T>,greater<T>>
#define Pqza(T) priority_queue<T>
#define ENJYU std::ios::sync_with_stdio(false);std::cin.tie(0);

typedef long long ll;
typedef pair<ll, ll> llP;
typedef pair<int, int> intP;

//vector の中身を出力
template <class T>ostream &operator<<(ostream &o,const vector<T>&v)
{o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;}

void solve(void){
	int V;
	cin >> V;
	vector <vector <bool>> adj(V, vector <bool> (V, 0));
	rep(V, i) {
		int u, k;
		cin >> u >> k;
		u--;
		rep(k, j) {
			int n;
			cin >> n;
			n--;
			adj[u][n] = 1;
		}
	}
	rep(V, i) rep(V, j) {
		cout << adj[i][j] << ' ';
		if (j == V-1) cout << endl;
	}
}

int main(void){
	solve();
	//cout << "yui(*-v・)yui" << endl;
	return 0;
}

C++: //
// Created by 李青坪 on 2018/10/31.
//

#include <cstdio>
#include <algorithm>

#define MAXN 101
using namespace std;

int graph[MAXN][MAXN];

void init(){
    for (auto &i : graph) {
        fill(i, i +MAXN, 0);
    }
}

int main(){
    int n;
    scanf("%d", &n);
    init();
    int v, dgr;
    for (int i = 0; i < n; ++i) {
        scanf("%d %d", &v, &dgr);
        int node;
        for (int j = 0; j < dgr; ++j) {
            scanf("%d", &node);
            graph[v][node] = 1;
        }
    }
    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            if (i-1) printf(" ");
            printf("%d", graph[k][i]);
        }
        printf("\n");
    }
}
/*
4
1 2 2 4
2 1 4
3 0
4 1 3

 */

C++: #include<bits/stdc++.h>
using namespace std;
#define MOD 1000000007

int main() {

 int n;
 cin >> n;

 int m[n+1][n+1];
 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++) {
   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;
 }


  
}