#include <fstream>
#include <vector>
using namespace std;


ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int arr[105][105];

int main()
{
    int n;
    cin>>n;

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>arr[i][j];
            if(i!=j and arr[i][j]==0)
                arr[i][j]=1e9;
        }
    }

    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                if(arr[i][j] > arr[i][k] + arr[k][j] )
                    arr[i][j] = arr[i][k] + arr[k][j];
            }
        }
    }

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            cout<<arr[i][j]<<" ";
        cout<<endl;
    }
}