# include <cstdio>

const char *FIN = "royfloyd.in", *FOU = "royfloyd.out";
const int MAX = 105;

int N, P[MAX][MAX];

inline void getmin (int &a, int b) {
    a = a < b ? a : b;
}

int main (void) {
    freopen (FIN, "r", stdin);
    freopen (FOU, "w", stdout);

    scanf ("%d", &N);
    for (int i = 1; i <= N; ++i)
        for (int j = 1; j <= N; ++j)
            scanf ("%d", P[i] + j), P[i][j] = P[i][j] == 0 ? 0x3f3f3f3f : P[i][j];
    for (int k = 1; k <= N; ++k)
        for (int i = 1; i <= N; ++i)
            for (int j = 1; j <= N; ++j)
                if (i != j) getmin (P[i][j], P[i][k] + P[k][j]);
    for (int i = 1; i <= N; ++i, printf ("\n"))
        for (int j = 1; j <= N; ++j)
            printf ("%d ", P[i][j] == 0x3f3f3f3f ? 0 : P[i][j]);
}