#include <iostream>
#include <cstdio>
using namespace std;
int n,i,j,k,a[102][102];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
     for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            if(a[i][k])
            for(j=1;j<=n;j++)
                if(a[k][j])
                    if((i!=j)&&(!a[i][j]||((a[i][j])&&a[i][j]>a[i][k]+a[k][j])))
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
        {for(j=1;j<=n;j++)printf("%d ",a[i][j]);
        printf("\n");
        }
    return 0;
}