#include <bits/stdc++.h>

#define INF 1005

using namespace std;

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

int A[105][105];

int main()
{
    int n;
    fin >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            fin >> A[i][j];
            if(i != j && A[i][j] == 0)
                A[i][j] = INF;
        }
    }
    /*for(int i = 1; i <= m; i++)
    {
        int a, b, c;
        fin >> a >> b >> c;
        A[a][b] = c;
    }
    */
    for(int k = 1; k <= n; k++)
    {
        for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= n; j++)
            {
                A[i][j] = min(A[i][j], A[i][k] + A[k][j]);
            }
        }
    }
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(A[i][j] == INF)
                fout << 0 << " ";
            else fout << A[i][j] << " ";
        }
        fout<<endl;
    }
    return 0;
}