#include <fstream>
#define INF 10000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int i,j,k,n,a[110][110];
int main(){
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            fin>>a[i][j];
            if(a[i][j]==0&&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])
                    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;
}