#include <fstream>
using namespace std;

#define NUME "royfloyd"
ifstream fi(NUME".in");
ofstream fo(NUME".out");
#define MAXN 101
#define INF 0x3f3f3f3f

int N;
int A[MAXN][MAXN];

int main()
{
    int i, j, k;
    fi >> N;
    for (i = 1; i <= N; ++i)
        for (j = 1; j <= N; ++j) {
            fi >> A[i][j];
            if (A[i][j] == 0 && i != j)
                A[i][j] = INF;
        }
    for (k = 1; k <= N; ++k)
        for (i = 1; i <= N; ++i)
            for (j = 1; j <= N; ++j) {
                if (A[i][j] > A[i][k] + A[k][j])
                    A[i][j] = A[i][k] + A[k][j];
            }
    for (i = 1; i <= N; ++i) {
        for (j = 1; j <= N; ++j)
            fo << A[i][j] << " ";
        fo << "\n";
    }
    return 0;
}