#include <iostream>
#include <fstream>
#define maxn 100
using namespace std;
int main()

{int i,j,k,a[maxn][maxn],n;
fstream f("royfloyd.in",ios::in);
fstream g("royfloyd.out",ios::out);
f>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    f>>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]<a[i][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++)
    g<<a[i][j]<<" ";
g<<'\n';}

f.close();
g.close();

}