#include <iostream>
#include <fstream>

using namespace std;

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

int n;
int a[101][101];

int main()
{
    int i,j,k;
    in>>n;
    for(i=1;i<=n;i++)
    	for(j=1;j<=n;j++)
    		in>>a[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if((!a[i][j]||a[i][j]>a[i][k]+a[k][j])&&(i!=j)&&(a[i][k])&&(a[k][j]))
                    a[i][j]=a[i][k]+a[k][j];

    for(i=1;i<=n;i++,out<<"\n")
        for(j=1;j<=n;j++)
            out<<a[i][j]<<" ";
    return 0;
}