#include<cstdio>
int a[105][105],i,j,k,n;
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]);
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&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;
}