#include <bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],n,i,j,k;
int main()
{
    f>>n;
    for(i=1; i<=n; ++i)
        for(j=1; j<=n; ++j)
            f>>a[i][j];

    for(k=1; k<=n; ++k)
        for(i=1; i<=n; ++i)
            for(j=1; j<=n; ++j)
                if(i!=j&&a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0))
                    a[i][j]=a[i][k]+a[k][j];

    for(i=1; i<=n; ++i)
    {
        for(j=1; j<=n; ++j)
            g<<a[i][j]<<" ";
        g<<"\n";
    }
    return 0;
}