#include <fstream>
using namespace std;
ifstream fin("file.in");
ofstream fout("file.out");
int n, a[101][101];
const int inf = 0x3F3F3F3F;
int main(){
    fin>>n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++){
            fin>>a[i][j];
            if(!a[i][j]) a[i][j] = inf;
        }
    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++){
        for(int j=1; j<=n; j++)
            fout<<(a[i][j] == inf || i==j ? 0 : a[i][j])<<" ";
        fout<<"\n";
    }
}