#include<iostream>
#include<fstream>
using namespace std;
int n,m,a[10005][10005],ans[10005][10005],i,j,k;
int main()
{
    ifstream("royfloyd.in");
    ofstream("royfloyd.out");
    cin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            cin>>a[i][j];
            if(a[i][j]==0) a[i][j]=1e9;
        }
        for(k=1;k<=n;k++)
           for(i=1;i<=n;i++)
                for(j=1;j<=n;j++)
                    if(a[i][k] and a[k][j] and i!=j and a[i][k]+a[k][j]<a[i][j])
                        a[i][j]=a[i][k]+a[k][j];

        for(i=1;i<=n;i++){
                for(j=1;j<=n;j++)
                    if(a[i][j]!=1e9)
                    cout<<a[i][j]<<" ";
                    else cout<<0<<" ";
                    cout<<'\n';
                }

}