#include <fstream>
#define INF 1000000000
using namespace std;
int n, i, j, k, C[101][101], D[101][101];

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

int main(){
    fin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            fin>>C[i][j];
            if(C[i][j] == 0){
                C[i][j] = INF;
            }else{
                D[i][j] = i;
            }
        }
    }

    for(k=1;k<=n;k++){
        for(i=1;i<=n;i++){
            for(j=1;j<=n;j++){
                if(C[i][j] > C[i][k]+C[k][j] && i!=j){
                    C[i][j] = C[i][k]+C[k][j];
                    D[i][j] = D[k][j];
                }
            }
        }
    }

    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(C[i][j] == INF){
                fout<<0<<" ";
            }else{
                fout<<C[i][j]<<" ";
            }
        }
        fout<<"\n";
    }
}