#include <fstream>
#define NMAX 100
#define INF 1000000000

using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int dp[NMAX+1][NMAX+1];
int n;

void royfloyd()
{
    for (int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                if (dp[i][j]>dp[i][k]+dp[k][j])
                    dp[i][j] = dp[i][k]+dp[k][j];

}

int main()
{
    cin>>n;
    for (int i=1;i<=n;i++)
        for (int j=1; j<=n; j++)
        {
            cin>>dp[i][j];
            if (dp[i][j]==0 && i!=j)
                dp[i][j] = INF;
        }

    royfloyd();
    for (int i=1;i<=n;i++)
    {
        for(int j=1; j<=n; j++)
            cout<<dp[i][j]<<" ";
        cout<<"\n";
    }
    return 0;
}