#include <bits/stdc++.h>

using namespace std;

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

int n, a[105][105], d[105][105];
int inf = INT_MAX;

void Read()
{
    int i, j;
    fin >> n;
    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
        {
            fin >> a[i][j];
            if(i == j) d[i][j] = 0;
            else if(a[i][j] == 0) d[i][j] = inf;
            else d[i][j] = a[i][j];
        }
    }
}

void Roy_Floyd()
{
    int i, j, k;
    for(k = 1; k <= n; ++k)
    {
        for(i = 1; i <= n; ++i)
        {
            for(j = 1; j <= n; ++j)
            {
                if(d[i][j] > d[k][j] + d[i][k])
                    d[i][j] = d[k][j] + d[i][k];
            }
        }
    }
}

void Write()
{
    int i, j;
    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            fout << d[i][j] << " ";
        fout << "\n";
    }
}

int main()
{
    Read();
    Roy_Floyd();
    Write();

    return 0;
}