#include <iostream>
#include <fstream>
#define INF 0x3f3f3f3f
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,c[101][101],d[101][101];
void citire_c()
{
    int i,j,cost;
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            if (i==j) c[i][j]=0;
            else c[i][j]=INF;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            f>>c[i][j];
}
void int_d ()
{
    int i,j;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            if (i==j || c[i][j]==INF) d[i][j]=0;
            else d[i][j]=i;

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

int main()
{
    int i,j;
    citire_c();
    int_d();
    roy_floyd();

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