#include<stdio.h>
int n,v[105][105],i,j,k;
int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			scanf("%d",&v[i][j]);
	for(k=0;k<n;k++)
		for(i=0;i<n;i++)
			for(j=0;j<n;j++)
				if(v[i][k]&&v[k][j]&&i!=j&&(v[i][j]>v[i][k]+v[k][j]||!v[i][j]))
					v[i][j]=v[i][k]+v[k][j];
	for(i=0;i<n;i++)
	{
		for(j=0;j<n;j++)
			printf("%d ",v[i][j]);
		printf("\n");
	}
	return 0;
}