#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,a[101][101];
int main()
{f>>n;
for(i=1;i<=n;i++)for(j=1;j<=n;j++){f>>a[i][j]; if(i!=j && a[i][j]==0)a[i][j]=1001;}
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++)g<<a[i][j]<<" ";
                  g<<endl;}
    return 0;
}