#include <stdio.h>

int main()
{
    int i, j, k, n, a[102][102];

    freopen("royfloyd.in","rt", stdin);
    freopen("royfloyd.out", "wt", stdout);

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

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

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