#include <fstream>

using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int d[105][105];
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>d[i][j];
            if(i!=j&&d[i][j]==0){
                d[i][j]=1000000000;
            }
        }
    }
    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                if(d[i][k]+d[k][j]<d[i][j]){
                    d[i][j]=d[i][k]+d[k][j];
                }
            }
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<d[i][j]<<" ";
        }
        cout<<endl;
    }
    return 0;
}