//#include <iostream>
#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int mat[105][105],d[105][105],inf=1000000000,n;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>mat[i][j];
            if(mat[i][j]==0)
                d[i][j]=inf;
            else
                d[i][j]=mat[i][j];
        }
        d[i][i]=0;
    }
    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                d[i][j]=min(d[i][k]+d[k][j],d[i][j]);
            }
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<d[i][j]<<" ";
        }
        cout<<"\n";
    }
    return 0;
}