#include <iostream>
#include <fstream>
using namespace std;
int a[110][110];
int main()
{
    ifstream fin ("royfloyd.in");
    ofstream fout ("royfloyd.out");
    int i,j,k,n;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        fin>>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]==0||a[i][j]>a[i][k]+a[k][j])&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++){
            fout<<a[i][j];
            if(j==n)
                fout<<"\n";
            else
                fout<<" ";
    }
    return 0;
}