#include <fstream>
using namespace std;

int a[102][102], n, i, j, k;

int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");

    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 (i!=j && a[i][k] != 0 && a[k][j]!=0 && (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0))
                    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]<<" ";
        fout<<"\n";
    }

    return 0;
}