#include<bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[260][260],b[260][260];
int main()
{
    int n,i,j,k;
    in>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            in>>a[i][j];
            if(i!=j&&a[i][j]==0)
                a[i][j]=1<<20;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(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]==1<<20)
                out<<"0 ";
            else
                out<<a[i][j]<<" ";
        out<<"\n";
    }
    return 0;
}