#include<stdio.h>


inline int min(int a, int b)
{
	if(a>b)
		return b;
	return a;
}



int a[103][103];




int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	int n,i,j,k;
	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])
					if(a[i][j]||i==j)
				a[i][j]=min(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;
}