#include <fstream>
#define inf 1001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,i,j,k,a[110][110];
int main() {
	fin>>n;
	for (i=1;i<=n;i++) {
		for (j=1;j<=n;j++) {
			fin>>a[i][j];
			if (a[i][j]==0&&i!=j)
				a[i][j]=inf;
		}
	}
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (a[i][j]>a[i][k]+a[k][j])
					a[i][j]=a[i][k]+a[k][j];
	for (i=1;i<=n;i++) {
		for (j=1;j<=n;j++)
			fout<<a[i][j]<<" ";
		fout<<"\n";
	}
	return 0;
}