#include <bits/stdc++.h>

using namespace std;

ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
const int INF=1e9, MAXN=105;

int n, a[MAXN][MAXN];

int main()
{
    fin>>n;
    for (int i=1;i<=n;++i){
        for (int j=1;j<=n;++j){
            fin>>a[i][j];
            if (a[i][j]==0 && i!=j)
                a[i][j]=INF;
        }
    }
    for (int k=1;k<=n;++k){
        for (int i=1;i<=n;++i){
            for (int j=1;j<=n;++j){
                a[i][j]=min(a[i][j], a[i][k]+a[k][j]);
            }
        }
    }
    for (int i=1;i<=n;++i){
        for (int j=1;j<=n;++j){
            fout<<a[i][j]<<' ';

        }
        fout<<'\n';
    }
    return 0;
}