#include<cstdio>

int min(int x,int y)
{
	if(x<y) return x;
	return y;
}

int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	int n,i,j,k,a[101][101];
	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] && i!=j && (a[i][j]>a[i][k]+a[k][j] || !a[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");
	}
	return 0;
}