#include <iostream>
#include <fstream>
using namespace std;
ifstream f("adiacenta.in");
    ofstream g("adiacenta.out");
void adiacent (int a[101][101],int &n,int &m)
{
    int i,j,k,x,y;

    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            a[i][j]=0;
    for (k=1;k<=m;k++)
    {
        do
        {
            f>>x>>y;
        }
        while (x<1 || x>n || y<1 || y>n || x==y );
        a[x][y]=1;
        a[y][x]=1;
    }
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            g<<a[i][j]<<" ";
    g<<endl;
    }
}
int main ()
{
    int a[101][101],n,m;

    f>>n>>m;
    adiacent(a,n,m);
    return 0;
}



#include <iostream>
#include <fstream>
using namespace std;
ifstream f("adiacenta1.in");
    ofstream g("adiacenta1.out");
void adiacent (int a[101][101])
{
    int i,j,x,y,ct=1;

    for (i=1;i<=100;i++)
        for (j=1;j<=100;j++)
            a[i][j]=0;
         while(f>>x)
        {
            f>>y;
        a[x][y]=1;
        a[y][x]=1;
        if(x>ct)ct=x;
        if(y>ct)ct=y;
        }

    for (i=1;i<=ct;i++)
    {
        for (j=1;j<=ct;j++)
            g<<a[i][j]<<" ";
    g<<endl;
    }
}
int main ()
{
    int a[101][101];
    adiacent(a);
    return 0;
}