#include<fstream>
#define N 103
#define inf 1000000000

using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int n,i,j,k,a[N][N];

int main()
{
    cin >> n;
    for (i=1;i<=n;i++)
    for (j=1;j<=n;j++){
        cin>>a[i][j];
        if (a[i][j]==0 && i!=j) a[i][j]=inf;
    }

    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
         a[i][j]=min(a[i][j],a[i][k]+a[k][j]);

    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++) cout<<(a[i][j]>=inf ? 0 : a[i][j]) << ' ';
        cout<<'\n';
    }
    return 0;
}