#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,m,i,j,c,a[110][110],inf =99999999;
void roys()
{
    int k;
    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                if(i!=j&&i!=k&&j!=k)
                if(a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];
}
int main()
{
    f>>n;
    for(int i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            f>>a[i][j];
            if(!a[i][j])
                a[i][j]=inf;
        }
    roys();
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
        {
            if (i==j)
                g<<"0"<<" ";
            else if(a[i][j] == inf)
                g<<"0"<<" ";
            else
                g<<a[i][j]<<" ";
        }
        g<<endl;
    }
    return 0;
}