#include <stdio.h>
int n, a[105][105];
int main()
{
	int i,j,k;
	freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",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");
	}
}