#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
const int inf=1e9+7;
int v[105][105];
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;++i)
    for(int j=1;j<=n;++j)
    {
        cin>>v[i][j];
        if(v[i][j]==0) v[i][j]=inf;
    }
    for(int k=1;k<=n;++k)
    for(int i=1;i<=n;++i)
    for(int j=1;j<=n;++j)
    if(i!=j and v[i][k]!=inf and v[k][j]!=inf and v[i][j]>v[i][k]+v[k][j])
        v[i][j]=v[i][k]+v[k][j];
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
        if(v[i][j]==inf) cout<<0<<' ';
        else cout<<v[i][j]<<' ';
        cout<<'\n';
    }
    return 0;
}