#include <bits/stdc++.h>
#define infinity 1000000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int costuri[102][102];
int n;

int main()
{
    int i,j,k;
    fin >> n;
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
        {
            fin >> costuri[i][j];
            if(i != j && costuri[i][j] == 0)
                costuri[i][j] = infinity;
        }
    }
    for(k = 1; k <= n; k++)
    {
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(costuri[i][j] > costuri[i][k] + costuri[k][j])
                    costuri[i][j] = costuri[i][k] + costuri[k][j];
    }
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
        {
            if(costuri[i][j] == infinity)
                fout << "0 ";
            else
                fout << costuri[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}