#include <iostream>
#include <fstream>
#define L 100

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, mat[L][L];
void read(){
    in >> n;
    for (int i=1;i<=n;++i)
        for (int j=1;j<=n;++j)
            in >> mat[i][j];
}
void floyd(){
    for (int k=1;k<=n;++k)
        for (int i=1;i<=n;++i)
            for (int j=1;j<=n;++j)
                if (i!=j && mat[i][k] && mat[k][j] && (mat[i][j]>mat[i][k]+mat[k][j] || !mat[i][j]))
                    mat[i][j]=mat[i][k]+mat[k][j];
}

int main()
{
    read();
    floyd();
    for (int i=1;i<=n;++i){
        for (int j=1;j<=n;++j)
            out << mat[i][j] << " ";
        out << "\n";
        }


    return 0;
}