#include <fstream>
#define inf 10000
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int c[100][100];
int n;
int main()
{
    int m1,m2;
    cin>>n;
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
        cin>>c[i][j];
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        if (c[i][k] && c[k][j] && (c[i][j] > c[i][k] + c[k][j] || !c[i][j]) && i != j) c[i][j] = c[i][k] + c[k][j];
    }
    for(int i=1;i<=n;i++,cout<<endl)
    for(int j=1;j<=n;j++)
        cout<<c[i][j]<<" ";
    return 0;
}