#include<stdio.h>

int n,i,j,k,a[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]);
	
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(i!=j&&a[i][k]&&a[k][j])
				{
					if(a[i][j])
					{
						if(a[i][j]>a[i][k]+a[k][j])
							a[i][j]=a[i][k]+a[k][j];
					}
					else
						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;
}