#include <iostream>
#include <fstream>
#define fin "royfloyd.in"
#define fou "royfloyd.out"
using namespace std;
short d[101][101],n;

int main()
{
    int i,j,k;
    ifstream t1(fin);
    ofstream t2(fou);
    t1>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++) t1>>d[i][j];
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (d[i][k] && d[k][j] && (d[i][j] > d[i][k] + d[k][j] || !d[i][j]) && i != j) d[i][j] = d[i][k] + d[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++) t2<<d[i][j]<<' ';
        t2<<'\n';
    }
    t1.close();
    t2.close();
    return 0;
}