#include <fstream>
#define inf 0x7fffffff
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int a[105][105],n;
int main()
{
    cin>>n;
    for(int i=1;i<=n;++i)
    for(int j=1;j<=n;++j)
    {
        cin>>a[i][j];
        if(i!=j and a[i][j]==0) a[i][j]=inf;
    }
    for(int k=1;k<=n;++k)
    for(int i=1;i<=n;++i)
    for(int j=1;j<=n;++j)
    if(a[i][k]!=inf and a[k][j]!=inf and 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]==inf) cout<<0<<' ';
        else cout<<a[i][j]<<' ';
        cout<<'\n';
    }
    return 0;
}