#include <fstream>
#define dim 105
#define inf 0x3f3f3f3f
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,i,j,a[dim][dim],m,k;
int main(){
    fin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            fin>>a[i][j];
            if(!a[i][j]){
                a[i][j]=inf;
            }
        }
    }
    for(k=1;k<=n;k++){
        for(i=1;i<=n;i++){
            for(j=1;j<=n;j++){
                if(a[i][j]>a[i][k]+a[k][j] && i!=j){
                    a[i][j]=a[i][k]+a[k][j];
                }
            }
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(a[i][j]!=inf){
                fout<<a[i][j]<<" ";
            }
            else{
                fout<<0<<" ";
            }
        }
        fout<<"\n";
    }





    return 0;
}