Go: package main

import (
	"fmt"
)

func main() {
	var n int
	fmt.Scan(&n)
	g := make([][]int, n)
	for i := 0; i < n; i++ {
		g[i] = make([]int, n)
	}

	for i := 0; i < n; i++ {
		var u,k int
		fmt.Scan(&u)
		fmt.Scan(&k)
		for j := 0; j < k; j++ {
			var v int
			fmt.Scan(&v)
			g[u-1][v-1] = 1
		}
	}

	for i := 0; i < n; i++ {
		fmt.Print(g[i][0])
		for j := 1; j < n; j++ {
			fmt.Printf(" %d", g[i][j])
		}
		fmt.Println()
	}
}

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

const double pi  = 2 * acos(0.0);
const double eps = 1e-8;

#define REP(i,a,b) for(int i=(a); i<(b);++i)
#define rep(i,n) REP(i,0,n)
#define INF (1<<29)
#define INFLL (1L<<29)

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

typedef int Cost;
struct Edge {
  int src, dst; Cost cost;
  Edge(int s, int d, Cost c) : src(s), dst(d), cost(c) {}
};
typedef vector<Edge>  Edges;
typedef vector<Edges> Graph;
typedef vector<Cost>  Array;
typedef vector<Array> Matrix;

int dx[8] = {0, 1, 0, -1, 1, -1, 1, -1};
int dy[8] = {1, 0, -1, 0, 1, -1, -1, 1};

#define MAX_N 100

int G[MAX_N][MAX_N];

int main(void) {
  ios_base::sync_with_stdio(false); cin.tie(0);
  int n; cin >> n;
  rep(i, n) {
    int u, k;
    cin >> u >> k;
    rep(j, k) {
      int node_num; cin >> node_num;
      G[u][node_num] = 1;
    }
  }
  REP(i, 1, n + 1) {
    REP(j, 1, n + 1) {
      if (j != 1) cout << " ";
      cout << G[i][j];
    }
    cout << endl;
  }
  return 0; 
}

C++: #include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define mod 1000000007
#define MAX 100

int n;
int G[MAX][MAX];

void init();

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

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

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

void init(){
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++){
            G[i][j] = 0;
        }
    }
}

C++: #include <algorithm>
#include <iostream>
using namespace std;
int main () {
  int n;
  cin >> n;
  int A[n][n];
  for (int i=0; i<n; i++) { //?????????
    for (int j=0; j<n; j++)
      A[i][j] = 0;
  }
  while (n>0) {
    int u;
    cin >> u;
    int k;
    cin >> k;
    int v;
    while (cin>>v && k>0) {
      A[u-1][v-1] = 1; //??\???
      k--;
    }
    n--;
  }
  for (int i=0; i<n; i++) { //??????
    for (int j=0; j<n-1; j++)
      cout << A[i][j] << " ";
    cout << A[i][n-1] << endl;
  }
}

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

int main(){
	std::vector< std::vector<int> > M;
	int n, r, k, c;
	scanf("%d", &n);
	M.resize(n);
	for (int i=0;i<n;i++){
		M[i].resize(n);
		scanf("%d %d", &r, &k);
		for (int j=0; j<k;j++){
			scanf("%d", &c);
			M[i][c-1]=1;
		}
	}
	for (int i=0;i<n;i++){
		for (int j=0;j<n;j++){
			printf("%d", M[i][j]);
                        if (i!=n) printf(" ");
		}
		printf("\n");
	}
	return 0;
}

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

int main() {
  int n;
  cin >> n;
  
  vector<vector<int> > A(n + 1, vector<int> (n + 1));
  
  int u, k;
  
  for (int i = 0; i < n; i++) {
    cin >> u >> k;
    for (int j = 0; j < k; j++) {
      int adju;
      cin >> adju;
      A.at(u - 1).at(adju - 1) = 1;
    }
  }
  
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      cout << A.at(i).at(j);
      if (j == n - 1) {
        cout << endl;
      }
      else {
        cout << " ";
      }
    }
  }
}

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

int graph[101][101];
int main(){
  int n;
  cin>>n;
  for(int i=1;i<=n;i++){
    int u,k,v; cin>>u>>k;
    for(int j=1;j<=k;j++){
      cin>>v;
      graph[u][v]=1;
    }
  }

  for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
      cout<<graph[i][j]<<" ";
    }
    cout<<"\n";
  }
}

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

#define N 100
int A[N][N];
int u,k,v;

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

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

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




return 0;

}

C++: #include <iostream>

using namespace std;

int main(){
	int graph[101][101] = {0};
	int num;
	int hon;
	int eda;
	int ver;

	cin>>num;
	for(int i=0;i<num;i++){
		cin>>eda;
		cin>>hon;
		for(int j=0;j<hon;j++){
			cin>>ver;
			graph[eda][ver]++;
		}
	}
	for(int i=1;i<=num;i++){
		for(int j=1;j<=num;j++){
			cout<<graph[i][j];
			if(j==num)
				break;
			cout<<" ";
		}
		cout<<endl;
	}

	return 0;
}

C++: #include <bits/stdc++.h>
#define FOR(I,X,Y) for(long int I=X;I<Y;I++)
#define REP(I,X) for(long int I=X;I>=0;I--)
#define INF 1000000007
using namespace std;

int Adj[101][101];

int main(){
  int n,u,k,v;
  cin >> n;
  FOR(i,0,n){
    cin >> u >> k;
    FOR(j,0,k){
      cin >> v;
      Adj[u][v] = 1;
    }
  }
  FOR(i,1,n+1){
    FOR(j,1,n+1){
      if(j == n)cout << Adj[i][j];
      else cout << Adj[i][j] << " ";
    }
    cout << endl;
  }
}

C++: #include <iostream>
using namespace std;
static const int N=100;

int main(){
    //0 0 ??????????????\??????
    int M[N][N];
    int n,u,k,v;

    cin>>n;

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

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

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

C++: #include<iostream>
using namespace std;
static const int N=100;

int main( void ){
  int M[N][N];
  int n,m,l,k;
 
  cin >> n;

  for( int i = 0 ; i < n ; i++ ){
    for( int j = 0 ; j < n ; j++ ){
      M[i][j];
    }
  }
  for( int i = 0 ; i < n ; i++ ){
    cin >> m >> l;
    m--;
    for( j = 0 ; j < n ; j++ ){
      cin >> k;
      k--;
      M[m][k]; = 1;
    }
  }
  for( int i = 0 ; i < n ; i++ ){
    for( int j = 0 ; j < n ; j++ ){
      if( j ) cout << " ";
      cout << M[i][j];
    }
    cout << endl;
  }
  return 0;
}

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

int n, u, k, v;
int G[101][101] = {0};

int main() {
	cin >> n;
	for (int i=0; i<n; ++i) {
		cin >> u >> k;
		while (k --) {
			cin >> v;
			G[u][v] = 1;
		}
	}
	for (int i=1; i<=n; ++i) {
		for (int j=1; j<=n; ++j) {
			cout << (j==1 ? "" : " ") << G[i][j];
		}
		cout << endl;
	}
	return 0;
}

C++: #include <stdio.h>
#define MAX 100

int main(){
  int graph[MAX][MAX];
  int i,n,a,b,c,j;
  scanf("%d",&n);
  for(i=0;i<n;i++){
    for(j=0;j<n;j++){
      graph[i][j]=0;
    }
  }
  for(i=0;i<n;i++){
    scanf("%d",&a);
    scanf("%d",&b);
    a--;
    for(j=0;j<b;j++){
      scanf("%d",&c);
      c--;
      graph[a][c]=1;
    }
  }
  for(i=0;i<n;i++){
    for(j=0;j<n;j++){
      if(j)
	printf(" ");
      printf("%d",graph[i][j]);
    }
    printf("\n");
  }

  return 0;
}

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

using namespace std;


int main(){
  int n; cin>>n;
  int a[MAX][MAX]={};
  for(int i=1;i<=n;i++){
    int u,k; cin>>u>>k;
    for(int j=0;j<k;j++){
      int v; cin>>v;
      a[i][v]=1;
    }
  }
  for(int r=1;r<=n;r++){
    for(int c=1;c<=n;c++){
      cout<<a[r][c];
      if(c==n){
        cout<<endl;
      }else{
        cout<<' ';
      }
    }
  }

}