#include<stdio.h>
int main()
{freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int n,a[101][101],i,j,k;
scanf("%d",&n);
for(i=1;i<=n;i++)
	for(j=1;j<=n;j++)
		{scanf("%d",&a[i][j]);
		if(a[i][j]==0)
			a[i][j]=-1;
		}
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[k][j]!=-1&&a[j][k]!=-1)
				a[i][j]=a[i][k]+a[k][j];
			

for(i=1;i<=n;i++)
	{for(j=1;j<=n;j++)
		if(a[i][j]==-1)
			printf("0 ");
		else
			printf("%d ",a[i][j]);
	printf("\n");
	}

}