#include <stdio.h>
#include<iostream>
#include<fstream>
using namespace std;

ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int n, a[105][105];

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 (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                        a[i][j] = a[i][k] + a[k][j];
}

void read()
{
    int i, j;
    fin >> n;
    for (i = 1; i <= n; ++i)
        for (j = 1; j <= n; ++j)
            fin >> a[i][j];
}

void write()
{
    int i, j;
    for (i = 1; i <= n; ++i)
    {
        for (j = 1; j <= n; ++j)
           fout << a[i][j] << " ";
        fout << endl;
    }
}


int main()
{
    read();
    roy_floyd();
    write();
    return 0;
}