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>
#include <iomanip>
#include <vector>

using namespace std; 

int main(void) {
	int nov,noe,u,v;
	cin >> nov;
	vector< vector<int> > adj(nov,vector<int>(nov,0));
	for (int i = 0; i < nov; ++i) {
		cin >> u;
		cin >> noe;
		for (int j = 0; j < noe; ++j) {
			cin >> v;
			adj[u-1][v-1] = 1;
		}
	}
	for (int i = 0; i < nov; ++i) {
		for (int j = 0; j < nov; ++j) {
			cout << adj[i][j];
			if (j < nov-1) {
				cout << " ";
			}
		}
		cout << endl;
	}
	return 0;
}

C++: #include <iostream>
#define MAX 101

using namespace std;

int main(){
  int n, i, j, k, l, m;
  bool g[MAX][MAX];
  
  for(i=1;i<MAX;++i){
    for(j=1;j<MAX;++j)
      g[i][j] = false;
  }
  
  cin >> n;
  for(i=1;i<=n;++i){
    cin >> k >> l;
    for(j=1;j<=l;++j){
      cin >> m;
      g[k][m] = true;
    }
  }
  
  for(i=1;i<=n;++i){
    for(j=1;j<=n;++j){
      cout << g[i][j];
      if(n != j)cout << " ";
    }
    cout << "\n";
  }
  
  return 0;
}

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

int main(void){
    int n;
    int ind, num, a;
    std::cin >> n;
    std::vector<std::vector<int>> b(n, std::vector<int>(n));
    for(int i = 0; i < n; i++){
        std::cin >> ind >> num;
        ind--;
        for(int i = 0; i < num; i++){
            std::cin >> a;
            a--;
            b[ind][a] = 1;
        }
        
    }
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++){
            if(j != 0){
                std::cout << " " << b[i][j];
            }else{
                std::cout << b[i][j];
            }
        }
        std::cout << std::endl;
    }
    return 0;
}

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

int main(int argc, char const *argv[]) {
  int n;  cin >> n;
  vector<vector<int> > a(n, vector<int>(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;
      a[u - 1][v - 1] = 1;
    }
  }

  for (int i = 0; i < n; ++i) {
    for (int j = 0; j < n; ++j) {
      cout << a[i][j];
      if (j < n - 1) {
        cout << " ";
      }
    }
    cout << '\n';
  }
  return 0;
}