#include <fstream>
#include<limits.h>
#define inf 100000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i,n,a[101][101],k,j;
int main(){
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++){
            f>>a[i][j];
            if (!a[i][j] && i!=j)
                a[i][j]=inf;
        }
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
                if (a[i][k]!=inf && a[k][j]!=inf && (a[i][k]+a[k][j]<a[i][j]))
                    a[i][j]=a[i][k]+a[k][j];
    for (i=1;i<=n;i++){
        for (j=1;j<=n;j++)
            if (a[i][j]!=inf)
                g<<a[i][j]<<" ";
                else
                    g<<0<<" ";
    g<<'\n';
    }
    return 0;
}