#include <fstream>
#define dim 110
using namespace std;
int a[dim][dim];
int i,j,k,n;

int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    fin>>n;
    for (i=1;i<=n;i++) {
        for (j=1;j<=n;j++) {
            fin>>a[i][j];
            if (a[i][j]==0) {
                a[i][j]=0;
            }
        }
    }
    ///a[i][j]=costul muchiei de la i la j
    for (k=1;k<=n;k++) {
        for (i=1;i<=n;i++) {
            for (j=1;j<=n;j++) {
                if (a[i][j]>a[i][k]+a[k][j]) {
                    a[i][j]=a[i][k]+a[k][j];
                }
            }
        }
    }
    for (i=1;i<=n;i++) {
        for (j=1;j<=n;j++) fout<<a[i][j]<<" ";
        fout<<"\n";
    }
    return 0;
}