#include<cstdio>
using namespace std;
int i,j,k,n,a[102][102],b[102][102];
int main()
{
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]);
		b[i][j]=a[i][j];
	}
for(k=1;k<=n;k++)
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
		if(i!=j)
			if(b[i][j]==0||(b[i][j]>b[i][k]+b[k][j]&&b[i][k]!=0&&b[k][j]!=0)) b[i][j]=b[i][k]+b[k][j];
for(i=1;i<=n;i++)
{
	for(j=1;j<=n;j++)
		printf("%d ",b[i][j]);
	printf("\n");
}
return 0;
}