#include <fstream>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int A[101][101];
int main()
{
    int n,i,j,k;
    fin>>n;
    for(i=1;i<=n;i++) {
        for(j=1;j<=n;j++) {
            fin>>A[i][j];
        }
    }

    for(k=1;k<=n;k++) {
        for(i=1;i<=n;i++) {
            for(j=1;j<=n;j++) {
                if(i != j && A[i][k] && A[k][j] && (A[i][k] + A[k][j] < A[i][j] || A[i][j] == 0)) {
                    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";
    }

}