#include <bits/stdc++.h>

#define DIM 100
#define INF INT_MAX

using namespace std;

//ifstream f("in.in");
//ofstream g("out.out");

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n;
int rf[DIM+5][DIM+5];

int main()
{
    f>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            f>>rf[i][j];

            if(i!=j && rf[i][j] == 0){
                rf[i][j] = INF;
            }
        }
    }

    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            if(k == i){
                continue;
            }
            for(int j=1;j<=n;j++){
                if(i==j){
                    continue;
                }

                if(k == j){
                    continue;
                }

                if(rf[i][j] > rf[i][k] + rf[k][j]){
                    rf[i][j] = rf[i][k] + rf[k][j];
                }
            }
        }
    }



    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(rf[i][j] == INF){
                g<<"0 ";
            }else{
                g<<rf[i][j]<<" ";
            }
        }g<<'\n';
    }

    return 0;
}