#include <stdio.h>
#include <fstream>

using namespace std;

ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");
int i,j,n,a[110][110];
void floyd(){
	int i,j,k;
	for (k=1;k<=n;++k)
	    for (i=1;i<=n;++i)
	        for (j=1;j<=n;++j)
	          if (a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j] || !a[i][j])&&i!=j) a[i][j]=a[i][k]+a[k][j];
	}
int main(){
	fi>>n;
	for (i=1;i<=n;++i) 
	      for (j=1;j<=n;++j) fi>>a[i][j];
	floyd();
	for (i=1;i<=n;++i) {
	        for (j=1;j<=n;++j) fo<<a[i][j]<<' ';
	        fo<<'\n';}
	fi.close();
	fo.close();
}