#include <fstream>

using namespace std;

int n,v[101][101];

void roy_floyd()
{
    int i,j,k;

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(v[i][k] and v[k][j] and (v[i][j] > v[i][k] + v[k][j] or !v[i][j]) and i!=j) v[i][j]=v[i][k]+v[k][j];
}

int main()
{
    ifstream mama("royfloyd.in");
    ofstream tata("royfloyd.out");

    int i,j;

    mama>>n;

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            mama>>v[i][j];

    roy_floyd();

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            tata<<v[i][j]<<" ";
        tata<<'\n';
    }
    return 0;
}