#include <bits/stdc++.h>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int mv[105][105];

int main(){
	int n,i,k,j;

	fin>>n;

	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			fin>>mv[i][j];

	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(mv[i][k] && mv[k][j] && i!=j && (mv[i][j]>mv[i][k]+mv[k][j] || !mv[i][j]))
					mv[i][j]=mv[i][k]+mv[k][j];

	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)
			fout<<mv[i][j]<<" ";
		fout<<"\n";
	}

    return 0;
}