#include <bits/stdc++.h>

using namespace std;

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

const int MAXN = 103, INF = 3000;

int n, a[MAXN][MAXN];

int main()
{
    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]) a[i][j] = INF;
        }

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(a[i][j] > a[i][k] + a[k][j]) a[i][j] = a[i][k] + a[k][j];

    for(int i = 1; i <= n; i++, fout << "\n")
        for(int j = 1; j <= n; j++)
            fout << a[i][j] << " ";
    return 0;
}