#include <fstream>

using namespace std;

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


int n,a[150][150];
const int inf=0x3f3f3f3f;

int main()
{
    cin>>n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            cin>>a[i][j];
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
            {
                if(i==j || a[i][k]==0 || a[k][j]==0)
                    continue;
                if(a[i][j]>a[i][k]+a[k][j] || a[i][j]==0)
                    a[i][j]=a[i][k]+a[k][j];
            }
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            cout<<a[i][j]<<" ";
        cout<<"\n";
    }
}