#include <iostream>
#include <fstream>

using namespace std;

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

const int MAXN = 103, INF = 2000;
int a[MAXN][MAXN], n;

int main()
{
    fin >> n;
    for(int i = 0; i < n; i++)
        for(int j = 0; j < n; j++)
        {
            fin >> a[i][j];
            if(i != j && !a[i][j]) a[i][j] = INF;
        }

    for(int k = 0; k < n; k++)
        for(int i = 0; i < n; i++)
            for(int j = 0; j < n; j++)
                if(a[i][k] + a[k][j] < a[i][j]) a[i][j] = a[i][k] + a[k][j];
    for(int i = 0; i < n; i++, fout << "\n")
            for(int j = 0; j < n; j++)
                fout << a[i][j] << " ";
    return 0;
}