#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

void citire(int v[][101], int &n){
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            cin>>v[i][j];

}
void crearemin(int v[][101],int n)
   {
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++){
                if((v[i][j]>v[i][k]+v[k][j] || (v[i][j]==0 && i!=j)) && v[i][k]!=0 && v[k][j]!=0)
                    v[i][j]=v[i][k]+v[k][j];
        }
   }

int main(){
    int v[101][101],n;
    citire(v,n);
    crearemin(v,n);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            cout<<v[i][j]<<" ";
        cout<<"\n";
    }
    return 0;
}