#include <iostream>
#include <vector>
#include <fstream>
using namespace std;
#define nmax 105
#define inf (1<<26)

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

int a[nmax][nmax];
int n, i, j, k;

int main(){
    fin >> n;
    for(i=1; i<=n; i++)
        for(j=1; j<=n; j++){
            fin >> a[i][j];
            if(a[i][j]==0)  a[i][j] = inf;
        }


    for(k=1; k<=n; k++)
        for(i=1; i<=n; i++)
            for(j=1; j<=n; j++)
                a[i][j] = min(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]==inf || i==j)    fout << 0 << " ";
            else fout << a[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}