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 <iostream>
using namespace std;
const int N = 100;

int main()
{
	int M[N][N];	// 0 0起点的邻接矩阵
	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 --;	// 转换为0起点 
		for(int j = 0; j < k; ++ j)
		{
			cin >> v;
			v --;	// 转换为0起点 
			M[u][v] = 1;	// 在u和v之间画出一条边 
		}
	}
	
	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>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;


struct Edge{ //??°????????????
public:
    int src, dst;
    int weight;
    Edge(int a,int b):src(a),dst(b),weight(1){} //?????????????????????
    void setWeight(double x){
        weight = x;
    }
};
typedef vector<Edge> Edges;
typedef vector<Edges> Graph;

typedef vector<int> Array;
typedef vector<Array> Matrix;


//int main(){
//    
//    
//    
//    return 0;
//}


int main(){ //??°???????????£??\??????????????£??\?????????????????????????????°??????
    
    int n,k,v,w;
    
    cin >> n; //??°????????????????????\???
    
    Matrix M(n,Array(n,0)); //??£??\??????????????????
    
    for (int i=0; i<n; i++) { //??????????¬???°?????????????????\??? ???????????\??????????????£??\??????????????£??\?????????????´?
        cin >> w >> k;
        for (int j=0; j<k; j++) {
            cin >> v;
            M[w-1][v-1] = 1; //?????????
        }
    }
    
    for (int i=0; i<n; i++) { //????????¢?????§??????
        for (int j=0; j<n; j++) {
            cout << M[i][j];
            if (j!=n-1) {
                cout << " ";
            }
        }
        cout << endl;
    }
    
    return 0;
}

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

int main(){
	int adj[100][100] = {};
	int n;
	cin >> n;
	int a,b,c;
	for (int i=0; i<n;i++){
	cin >> a >> b;
	//adj[num1-1]?????\??????
	
	for (int j=0;j<b;j++){
	cin >> c;
	adj[a-1][c-1] = 1;
	}

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

C++: #include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int n;
  cin>>n;
  int e[n][n];
  memset(e,0,sizeof(e));
  for(int i=0,u,k;i<n;i++){
    cin>>u>>k;
    for(int j=0,v;j<k;j++){
      cin>>v;
      e[u-1][v-1]=1;
    }
  }
  
  for(int i=0;i<n;i++)
    for(int j=0;j<n;j++)
      cout<<e[i][j]<<" \n"[j==n-1];
  return 0;
}

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

//??£??\?????????????¬??????????????¨???¶???	arrey[i][j] i??????j???????????????
//??£??\?????????????????????????????????????????????,?????????????¨???¶
//ALDS1_11-A
int n,u,k,a;
int map[101][101];
int main(){
	for(int i=0;i<101;i++){
		for(int j=0;j<101;j++){
			map[i][j]=0;
		}
	}
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>u;
		cin>>k;
		for(int j=0;j<k;j++){
			cin>>a;
			map[u][a]=1;
		}
	}
	for(int i=1;i<n+1;i++){
		for(int j=1;j<n+1;j++){
			cout<<map[i][j];
			if(j==n)cout<<endl;
		}
	}
	return 0;
}

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

int v,A[100][100],u,k,w;


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

C++: #include <iostream>
#include <cstdlib>
#include <string>
#include <typeinfo>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
static const int N = 100;

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

C++: #include <iostream>
#include <cstdio> 
#define rep(i,n) for(int i=0;i<int(n);i++)
#define REP(i,a,b) for(int i=(a);i<int(b);i++)
using namespace std;
/*---------------------------------------------------*/

int main(){
  int n,u,k,v;
  int g[105][105]={};
  scanf("%d",&n);
  rep(i,n){
    scanf("%d%d",&u,&k);
    rep(i,k){
      scanf("%d",&v);
      g[u][v]=1;
    }
  }
  REP(i,1,n+1){
    printf("%d",g[i][1]);
    REP(j,2,n+1){
      printf(" %d",g[i][j]);
    }
    printf("\n");
  }
  return 0;
}

C++: #include<iostream>
using namespace std;
static const int N=100;
int main()
{
    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++)
        M[i][j]=0;
    }
    for(int i=0;i<n;i++)
    {
        cin>>u>>k;
        u--;
        for(int j=0;j<k;j++)
        {
            cin>>v;
            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;
    }
    return 0;
}

C++: //16D8104001K 田中誠人 makoto0106 c++
#include<iostream>
#include<vector>
#include<algorithm>
int main()
{
  std::vector<int>num;
  int n,k,tmp,x,size;

  std::cin>>n;
  
  for(int i=0;i<n;i++){
    std::cin>>tmp>>k;
    num.push_back(k);
    for(int j=0;j<k;j++){
      std::cin>>tmp;
      num.push_back(tmp);
      //std::cout<<tmp<<" ";
    }
  }
  size=num.size();
  /*
  for(int i=0;i<size;i++){
    std::cout<<num[i]<<" ";
  }
  */
  x=0;
 
  while(x<size){
    if(num[x]==0){
      for(int i=0;i<n;i++){
	std::cout<<"0 ";
      }
      x++;
    }else{
      x++;
      for(int i=0;i<n;i++){
      
	if(i+1==num[x]){
	  std::cout<<"1 ";
	  x++;
	}else{
	  std::cout<<"0 ";
	}
      }
    }
    std::cout<<"\n";
  }
  
  
  return 0;
}

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

int main(){
  int n, u, k, x;
  int m[100][100]={0};

  cin >> n;

  for (int i=1; i<=n; i++){
    cin >> u >> k;
    for (int j=1; j<=k; j++){
      cin >> x;
      m[i][x]=1;
    }
  }

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

  return 0;
}

C++: #include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef float fl;
typedef long long ll;
int n;
int a[101][101];

int main(){
    cin >> n;
    rep(i,n){
        int u, k; cin >> u >> k;
        rep(j,k){
            int l; cin >> l;
            a[i][l-1] = 1;
        }
    }
    
    rep(i,n){
        rep(j,n){
            if(j) cout << ' ';
            cout << a[i][j];
        }
        cout << endl;
    }
    return 0;
}