#include <fstream>
using namespace std;

int a[101][101];
int main (void) {
    ifstream fin ("royfloyd.in");
    ofstream fout ("royfloyd.out");

    int n;
    fin >> n;

    int i, j, k;
    for (i=1; i<=n; ++i)
        for (j=1; j<=n; ++j) {
            fin >> a[i][j];
            if (i!=j && !a[i][j])
                a[i][j]=0x3F3F3F3F;
        }

    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                a[i][j]=min(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;
}