#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]=2000000;
		}

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]=a[i][k]+a[k][j];
			

for(i=1;i<=n;i++)
	{for(j=1;j<=n;j++)
		if(a[i][j]==2000000 || i==j)
			printf("0 ");
		else
			printf("%d ",a[i][j]);
	printf("\n");
	}

}