#include <fstream>

using namespace std;

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

int main(){
    int n, a[105][105];

    fin>>n;

    for(int i =1; i<=n; ++i)
        for(int j =1; j<=n; ++j)
            fin>>a[i][j];

    for(int k = 1; k<=n; ++k){
        for(int i = 1; i<=n; ++i){
            for(int j = 1; j<=n; ++j){
                if(i!=j && a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j] || !a[i][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]<<' ';
        }
        fout<<'\n';
    }

    return 0;
}