#include <bits/stdc++.h>
#define NM 105

using namespace std;

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

int a[NM][NM], N;

int main()
{
    fin >> N;
    for (int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++){
            fin >> a[i][j];
        }
    }


	for (int k = 1; k <= N; k++)
		for (int i = 1; i <= N; i++)
			for (int 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];

    for(int i = 1; i <= N; i++){
        for (int j = 1; j <= N; j++){
            fout << a[i][j] << " ";
        }
        fout <<'\n';
    }

    return 0;
}