#include<stdio.h>
int main()
{
	int a[110][110],n,i,j,k,x;
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	int u=(1<<30);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
		{
			scanf("%d",&x);
			if(x)
				a[i][j]=x;
			else
				if(i!=j)
					a[i][j]=u;
				else
					a[i][j]=0;
		}
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(a[i][k]!=u&&a[k][j]!=u&&(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;
}