#include <cstdio>

using namespace std;

int n, d[105][105];

int main()
{
    FILE *in, *out;
    in = freopen("royfloyd.in", "r", stdin);
    out = freopen("royfloyd.out", "w", stdout);

    scanf("%d", &n);

    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            scanf("%d", &d[i][j]);

    fclose(in);

    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (d[i][k] && d[k][j] && (!d[i][j] || d[i][j] > d[i][k] + d[k][j]) && i != j)
                    d[i][j] = d[i][k] + d[k][j];

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) printf("%d ", d[i][j]);
        printf("\n");
    }

    fclose(out);
    return 0;
}