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