#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,a[111][111],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]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && i!=j)
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++,g<<'\n')
        for(j=1;j<=n;j++)
            g<<a[i][j]<<" ";
    return 0;
}