#include <bits/stdc++.h>
#define cin fin
#define cout fout
using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int n,dp[102][102],a,b,k,i,j;
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            cin>>dp[i][j];
            if(dp[i][j]==0 && i!=j)
                dp[i][j]=100000008;
                else
                if(i==j)
                    dp[i][j]=0;
        }
    for(k=1;k<=n;k++)
        for(a=1;a<=n;a++)
            for(b=1;b<=n;b++)
            {
                if(dp[a][b]>dp[a][k]+dp[k][b])
                    dp[a][b]=dp[a][k]+dp[k][b];
            }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            cout<<dp[i][j]<<" ";
        cout<<'\n';
    }
    return 0;
}