#include <stdio.h>

int n, a[105][105];

void read_data()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);

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

void solution()
{
	int i, j, k;
	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];
}

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


int main()
{
	read_data();
	solution();
	display();
	return 0;
}