#include <fstream>
#include <cstring>
#define DIM 102
#define INF 2000000000
using namespace std;

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

int N,C[DIM][DIM],D[DIM][DIM];
int Drum[DIM];
int main(){
    fin>>N;
    for(int i=1;i<=N;i++)
        for(int j=1;j<=N;j++){
            fin>>C[i][j];
            if(C[i][j]==0)
                C[i][j]=INF;
            else
                D[i][j]=i;
        }
    for(int k=1;k<=N;k++)
        for(int i=1;i<=N;i++)
            for(int j=1;j<=N;j++)
                if(i!=j && i!=k && j!=k && C[i][j]>C[i][k]+C[k][j]){
                    C[i][j]=C[i][k]+C[k][j];
                    D[i][j]=D[k][j];
                }
    for(int i=1;i<=N;i++){
        for(int j=1;j<=N;j++)
            if(C[i][j]!=INF)
                fout<<C[i][j]<<" ";
            else
                fout<<"0 ";
        fout<<"\n";
    }
}