#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int a[105][105];
int main(){
    fin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){
            fin>>a[i][j];
            if(a[i][j]==0)
                a[i][j]=2000000000;
        }
     for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(i!=j&&a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            if(a[i][j]==2000000000)
                fout<<0<<" ";
            else
                fout<<a[i][j]<<" ";
        fout<<"\n";
    }

    return 0;
}