#include <fstream>

using namespace std;

const int N=101, INF = 1000000000;
int n, d[N][N];

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

void citire()
{
    int i,j;
    in>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            in>>d[i][j];
            if(i!=j && d[i][j]==0)
                d[i][j] = INF;
        }
}

void rf()
{
    int k,i,j;
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(d[i][k]+d[k][j]<d[i][j])
                    d[i][j]=d[i][k]+d[k][j];
}

void afisare()
{
    int i,j;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            if(d[i][j] != INF) out<<d[i][j]<<" ";
            else out<<"0 ";
        out<<"\n";
    }
}

int main()
{
    citire();
    rf();
    afisare();
    return 0;
}