#include<stdio.h>
int main()
{
	int i,j,k,n,a[102][102];
	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][j]>a[i][k]+a[k][j])||a[i][j]==0)&&a[i][k]!=0&&a[k][j]!=0&&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;
}