#include <bits/stdc++.h>
#define NMAX 105
#define INF 0x3f3f3f3f

using namespace std;

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

int n, d[NMAX][NMAX];

int main()
{
    f >> n;

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            f >> d[i][j];

    for(int p = 1; p <= n; p++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(d[i][p] != 0 && d[j][p] != 0 && i != j)
                {
                    if(d[i][j] != 0)
                        d[i][j] = min(d[i][j], d[i][p] + d[p][j]);
                    else
                        d[i][j] = d[i][p] + d[p][j];
                }

    for(int i = 1; i <= n; i++, g << "\n")
        for(int j = 1; j <= n; j++)
            g << d[i][j] << " ";

    return 0;
}