#include <fstream>

using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int dp[110][110];
int main()
{
    int n,i,j,k;
    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]=1000000000;
        }
    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                dp[i][j]=min(dp[i][j],dp[i][k]+dp[k][j]);
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
            cout<<dp[i][j]<<" ";
        cout<<"\n";
    }
    return 0;
}