#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,a[105][105];
int main()
{
    f>>n;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j) f>>a[i][j];
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j) a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;++i,g<<'\n')
        for(j=1;j<=n;++j) g<<a[i][j]<<" ";
    return 0;
}