#include <fstream>
#define inf 1000*100*100+2

using namespace std;

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

int n, i, j, t, v[102][102];

int main(){
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            fin>>v[i][j];
            if(v[i][j] == 0)
                v[i][j] = inf;
        }
    for(t=1;t<=n;t++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(v[i][j] > v[i][t] + v[t][j] && i != j)
                    v[i][j] = v[i][t] + v[t][j];
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            if(v[i][j] == inf)
                fout<<"0 ";
            else
                fout<<v[i][j]<<" ";
        fout<<"\n";

    }
    return 0;
}