#include <fstream>
using namespace std;
int n, a[105][105];
const int INF = 0x3f3f3f3f;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

void citire()
{


    int i, j;
    fin>>n;
   for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> a[i][j];
            if (!a[i][j] && i!=j)
                a[i][j] = INF;
        }
    }
}

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 (a[i][k] && a[k][j] && i!=j)
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
}

void afis()
{
    int i, j;
    for (i = 1; i <= n; i++) {
    {
        for (j = 1; j <= n; j++)
        {
            fout<<a[i][j]<<" ";
        }
        fout<<"\n";
    }
    }
}


int main()
{
    citire();
    roy_floyd();
    afis();
    return 0;
}