#include<fstream>
#define INF 9999999
using namespace std;

ofstream fout("royfloyd.out");

int n,m,a[101][101];

void citire()
{
    ifstream fin("royfloyd.in");
    fin>>n;
    int i,j;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            {fin>>a[i][j];
            if(!a[i][j])a[i][j]=INF;}
    fin.close();
}

void royfloyd()
{
    int k,i,j;
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if((i-j)*(i-k)*(k-j))
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
}

void afisare()
{
    int i,j;
    for(i=1;i<=n;i++)
        {for(j=1;j<=n;j++)
            {if(a[i][j]==INF)fout<<0<<" ";
            else fout<<a[i][j]<<" ";}
        fout<<'\n';}
}

int main()
{
    citire();
    royfloyd();
    afisare();
    return 0;
}