#include <bits/stdc++.h>
#define oo 10000003
using namespace std;

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

int n, a[103][103];

void RoyFloyd()
{
    int i, j, k;
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (i != j && i != k && j != k) a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            if (a[i][j] == oo) fout << "0 ";
            else fout << a[i][j] << " ";
        fout << "\n";
    }
}

int main()
{
    ios_base::sync_with_stdio(0);
    fin.tie(0);
    fout.tie(0);
    int i, j;
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
        {
            fin >> a[i][j];
            if (a[i][j] == 0) a[i][j] = oo;
        }
    RoyFloyd();
    return 0;
}
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