#include<fstream>
using namespace std;
ifstream F("royfloyd.in");
ofstream G("royfloyd.out");
short d[100][100],n,i,j,k;
int main()
{
    for(F>>n;i<n;++i)
        for(j=0;j<n;F>>d[i][j],++j);
    for(;k<n;++k)
        for(i=0;i<n;++i)
            for(j=0;j<n;++j)
                if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j]))
                    d[i][j]=d[i][k]+d[k][j];
    for(i=0;i<n;G<<'\n',++i)
        for(j=0;j<n;G<<d[i][j]<<' ',++j);
    return 0;
}