#include<fstream>
#include<cstdio>
#include<set>
#include<vector>
#include<algorithm>
#define FOR(a,b,c) for(int a=b;a<=c;++a)
#include<cstring>
#include<bitset>
#include<cmath>
#include<iomanip>
#include<queue>
#define f cin
#define g cout
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define mod 1000000007
#define ll unsigned long long
#define bit (1<<18)
#define inf 1000000
#define N 1100
#define mod 1000000007
#define inu "royfloyd.in"
#define outu "royfloyd.out"
using namespace std;
ifstream f(inu);
ofstream g(outu);
//int dx[]={0,0,0,1,-1};
//int dy[]={0,1,-1,0,0};
int a[N][N],n;
int main ()
{
	f>>n;
	FOR(i,1,n)
	FOR(j,1,n)
	{
		f>>a[i][j];
		if(!a[i][j])
			a[i][j]=inf;
	}
	FOR(k,1,n)
	FOR(i,1,n)
	if(i!=k)
	FOR(j,1,n)
	if(i!=j&&j!=k)
		if(a[i][k]+a[k][j]<a[i][j])
			a[i][j]=a[i][k]+a[k][j];
	FOR(i,1,n)
	{
		FOR(j,1,n)
		{
			if(a[i][j]>=inf)
				a[i][j]=0;
			g<<a[i][j]<<" ";
		}
		g<<"\n";
	}
	return 0;
}