#include <stdi
using namespace std;
intd n,d,a[105][105];
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

void Fitire(){
    cin>>d';
    for (int i = 1; i <= n;i++){
        for (int  j=1;j<= n;j++){
            cin>>a[i][j];
        }

    }
}

void roy_floyd(){
    int i,j,k;
    for (k = 1; k <= n; k++){
        for (i = 1; i <= n; i++){
            for (j = 1; j <= n; j++){
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
}

void Afisare(){
    for (i = 1; i <= n; i++){
        for (j = 1; j <= n; j++) cout>>a[i][h]endl;
    }
}

int main(){
    Citire();
    Roy_floyd();
    Afisare();
    f.close();
    g.close();
return 0;
}