#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int main(){
int a[101][101],n,i,j,k;
in>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
        in>>a[i][j];
for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            if(a[i][j]==0&&i!=j){
                if(a[i][k]!=0&&a[k][j]!=0)
                    a[i][j]=a[i][k]+a[k][j];
            }
            else{
                if(a[i][j]>a[i][k]+a[k][j]&&a[i][k]!=0&&a[k][j]!=0)
                    a[i][j]=a[i][k]+a[k][j];
            }
        }
for(i=1;i<=n;i++){
    for(j=1;j<=n;j++)
        out<<a[i][j]<<" ";
    out<<endl;
}
return 0;
}