#include<cstdio>

using namespace std;
int n,i,j,k,v[120][120];
void read(),solve();
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	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",&v[i][j]);
}
void solve()
{
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
			{
				if(i==j)continue;
				if(v[i][k]&&v[k][j])
					if(!v[i][j])
						v[i][j]=v[i][k]+v[k][j];
					else
						v[i][j]=(v[i][j]<v[i][k]+v[k][j])?v[i][j]:v[i][k]+v[k][j];
			}
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
			printf("%d ",v[i][j]);
		printf("\n");
	}
}