#include <bits/stdc++.h>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

#define cin fin
#define cout fout

#define DIM 105

int n,a[DIM][DIM];
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++) cin>>a[i][j];
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
               if(a[k][j] && a[i][k] &&i!=j &&(a[i][j]>a[i][k]+a[k][j] ||a[i][j]==0)) a[i][j]=a[i][k]+a[k][j];
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            cout<<a[i][j]<<" ";
        cout<<"\n";
    }
    return 0;
}