#include<stdio.h>
#include<vector>
#include<algorithm>
using namespace std;
int n;
in main()
{
freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    vector < vector <int> > a(n+1,vector <int> (n+1,0));
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
    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]&&a[k][j]&&i!=j&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j]))
                    a[i][j]=a[i][k]+a[k][j];
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}