#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i,j,a[101][101],n,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 (a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!= j)
                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;

}