#include <bits/stdc++.h>
#define pb push_back
//#define int long long
using namespace std;
const int N=1e2+5;
int g[N][N];
signed main()
{
    ifstream cin("royfloyd.in");ofstream cout("royfloyd.out");
    int n;
    cin>>n;
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
        {
            cin>>g[i][j];
            if(g[i][j]==0) g[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(i==j) continue;
                g[i][j]=min(g[i][j],g[i][k]+g[k][j]);
            }
        }
    }
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
        {
            if(g[i][j]==1e9) g[i][j]=0;
            cout<<g[i][j]<<" ";
        }
        cout<<'\n';
    }
}