#include <bits/stdc++.h>
#define INF 1e9
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(a[i][j] == 0)
                    a[i][j] = INF;
            }


    for(int k = 1; k <= N; k++)///pivotul
        for(int i = 1; i <= N; i++)///sursa
            for(int j = 1; j <= N; j++)///dest
                if(i != j && a[i][k] != 0 && a[k][j] != 0)
                    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 << '\n';
    }

    return 0;
}