#include <fstream>



using namespace std;


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

int a[105][105];

int main(){
    int n;
    fin >> n;
    int inf = (1 << 29);
    for(int i =1; i <=n; i++){
        for(int j = 1; j <= n; j++){
            fin >> a[i][j];
            if (a[i][j] == 0)
                a[i][j] = inf;
        }
        a[i][i] = 0;
    }
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int 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(int i = 1; i <= n; i++ , fout << '\n')
        for(int j = 1; j <= n; j++)
            if (a[i][j] == inf)
                fout << 0 << ' ';
            else
                fout << a[i][j] << ' ';
}