#include <fstream>
#define NMAX 102
#define INF 0x3f3f3f3f

using namespace std;

ifstream f("royfloyd.in");
ofstream o("royfloyd.out");

int n, adiac[NMAX][NMAX];

void input()
{
    f >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
        {
            f >> adiac[i][j];
            adiac[i][j] = (adiac[i][j] == 0 ? INF : adiac[i][j]);
        }
}

void royfloyd()
{
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                adiac[i][j] = (i != j && adiac[i][j] > adiac[i][k] + adiac[k][j] ? adiac[i][k] + adiac[k][j] : adiac[i][j]);

}

void output()
{
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
            o << (adiac[i][j] == INF ? 0 : adiac[i][j]) << ' ';
        o << '\n';
    }
}

int main()
{
    input();
    royfloyd();
    output();
    return 0;
}