#include <bits/stdc++.h>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105];
int main()
{
    int n,i,j,k;
    fin >> n;
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n; j++){
            fin >> a[i][j];
        }
    }
    for(k = 1; k <= n; k++){
        for(i = 1; i <= n; i++){
            for(j = 1; j <= n; j++){
                if(a[i][j] != 0 && a[i][k] && a[k][j]) a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
            }
        }
    }
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n; j++){
            fout << a[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}