#include<fstream>
using namespace std;
int v[105][105],n;
void afis() {
	int i,j;
	ofstream out("royfloyd.out");
	for(i=0;i<n;i++) {
		for(j=0;j<n;j++)
			out<<v[i][j]<<" ";
		out<<'\n';
		}
}
void citire() {
	int i,j;
	ifstream in("royfloyd.in");
	in>>n;
	for(i=0;i<n;i++)
		for(j=0;j<n;in>>v[i][j++]);
	in.close();
}
int main() {
	int i,j,k;
	citire();
	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]&&(v[i][k]+v[k][j]<v[i][j]||(!v[i][j]&&i!=j)))
					v[i][j]=v[i][k]+v[k][j];
	afis();
	return 0;
}