#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    int n;
    cin>>n;
    int a[n+3][n+3];
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++) cin>>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(i!=j && a[k][j] && a[i][k] && (a[k][j]+a[i][k]<a[i][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++) cout<<a[i][j]<<" ";
        cout<<"\n";
    }
}