#include <fstream>

#define Nmax 101
#define inf 2000001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int d[Nmax][Nmax];
int n,m;
void Read()
{
    int i,j;
    fin>>n;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            fin>>d[i][j];
}
void FloydWarshall()
{
    int i,j,k;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            if(d[i][j]==0)d[i][j]=inf;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(i!=j&&d[i][j]>d[i][k]+d[k][j])
                    d[i][j]=d[i][k]+d[k][j];
}
void Print()
{
    int i,j;
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            if(d[i][j]==inf)fout<<"0 ";
            else fout<<d[i][j]<<" ";
        fout<<"\n";
    }
}
int main()
{
    Read();
    FloydWarshall();
    Print();
    return 0;
}